| SCHEDULE 13G/A |
Open Document
|
Open Filing |
|
14 Feb 2025 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
14 Nov 2024 |
|
005-45371 |
| EFFECT |
Open Document
|
Open Filing |
|
13 Nov 2024 |
|
333-276128 |
| EFFECT |
Open Document
|
Open Filing |
|
13 Nov 2024 |
|
333-264114 |
| 15-12G |
Open Document
|
Open Filing |
15-12G |
13 Nov 2024 |
|
001-14785 |
| POS AM |
Open Document
|
Open Filing |
POS AM |
08 Nov 2024 |
|
333-276128 |
| POS AM |
Open Document
|
Open Filing |
POS AM |
08 Nov 2024 |
|
333-264114 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
08 Nov 2024 |
|
333-212241 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
08 Nov 2024 |
|
333-183427 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
08 Nov 2024 |
|
333-150249 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
08 Nov 2024 |
|
333-138702 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
08 Nov 2024 |
|
333-08805 |
| 25-NSE |
Open Document
|
Open Filing |
|
01 Nov 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
01 Nov 2024 |
31 Oct 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
29 Oct 2024 |
29 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
25 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
25 Oct 2024 |
25 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
23 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
23 Oct 2024 |
23 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
22 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
22 Oct 2024 |
22 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
21 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
21 Oct 2024 |
18 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
18 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
18 Oct 2024 |
14 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
16 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
16 Oct 2024 |
16 Oct 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
15 Oct 2024 |
|
001-14785 |
| SC 13D |
Open Document
|
Open Filing |
SCHEDULE 13D |
11 Oct 2024 |
|
005-45371 |
| DEFA14A |
Open Document
|
Open Filing |
DEF14A |
08 Oct 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
08 Oct 2024 |
02 Oct 2024 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
02 Oct 2024 |
30 Sep 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Oct 2024 |
30 Sep 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Oct 2024 |
30 Sep 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Oct 2024 |
30 Sep 2024 |
|
| DEFM14A |
Open Document
|
Open Filing |
DEFM14A |
18 Sep 2024 |
|
001-14785 |
| DEFM14A |
Open Document
|
Open Filing |
DEFM14A |
16 Sep 2024 |
|
001-14785 |
| PREM14A |
Open Document
|
Open Filing |
PREM14A |
04 Sep 2024 |
04 Sep 2024 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
14 Aug 2024 |
30 Jun 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
14 Aug 2024 |
14 Aug 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
AMENDMENT NO. 1 TO SCHEDULE 13G |
09 Aug 2024 |
|
005-45371 |
| 8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
08 Aug 2024 |
07 Aug 2024 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
05 Aug 2024 |
22 Jul 2024 |
|
| 8-K |
Open Document
|
Open Filing |
RAVI KHANNA EMPLOYMENT AGREEMENT |
26 Jul 2024 |
22 Jul 2024 |
001-14785 |
| 144 |
Open Document
|
Open Filing |
|
03 Jul 2024 |
|
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
02 Jul 2024 |
30 Jun 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Jul 2024 |
30 Jun 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Jul 2024 |
30 Jun 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Jul 2024 |
30 Jun 2024 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2024 ANNUAL MEETING RESULTS |
02 Jul 2024 |
01 Jul 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC 2024 PROXY CARD |
29 May 2024 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2024 DEFINITIVE PROXY |
24 May 2024 |
01 Jul 2024 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
15 May 2024 |
31 Mar 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
15 May 2024 |
15 May 2024 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K APPOINTMENT OF DAMIAN DELONGCHAMP AS CHIEF OPERATING O |
14 May 2024 |
08 May 2024 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE PRELIMINARY PROXY STATEMENT |
13 May 2024 |
13 May 2024 |
001-14785 |
| SC 13D |
Open Document
|
Open Filing |
LOUDERMILK SCHEDULE 13D |
06 May 2024 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K |
30 Apr 2024 |
24 Apr 2024 |
001-14785 |
| 10-K/A |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 10-K/A 04-29-2024 |
29 Apr 2024 |
29 Apr 2024 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
05 Apr 2024 |
|
005-45371 |
| 10-K/A |
Open Document
| Data
|
Open Filing |
10-K/A |
02 Apr 2024 |
31 Dec 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
02 Apr 2024 |
31 Mar 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Apr 2024 |
31 Mar 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Apr 2024 |
31 Mar 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Apr 2024 |
31 Mar 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
02 Apr 2024 |
31 Mar 2024 |
|
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
02 Apr 2024 |
31 Dec 2023 |
001-14785 |
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
02 Apr 2024 |
31 Dec 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
01 Apr 2024 |
01 Apr 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
14 Feb 2024 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
13 Feb 2024 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. - FORM 8-K LIND NOTE AMENDMENTS FEB. 2024 |
13 Feb 2024 |
12 Feb 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
09 Feb 2024 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
|
03 Jan 2024 |
31 Dec 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Jan 2024 |
31 Dec 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Jan 2024 |
31 Dec 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Jan 2024 |
31 Dec 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Jan 2024 |
31 Dec 2023 |
|
| EFFECT |
Open Document
|
Open Filing |
|
29 Dec 2023 |
|
333-276128 |
| CORRESP |
Open Document
|
Open Filing |
|
28 Dec 2023 |
|
|
| UPLOAD |
Open Document
|
Open Filing |
|
21 Dec 2023 |
|
|
| S-3/A |
Open Document
|
Open Filing |
S-3/A |
20 Dec 2023 |
|
333-276128 |
| S-3 |
Open Document
|
Open Filing |
S-3 |
19 Dec 2023 |
|
333-276128 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. UNREGISTERED SALE OF SECURITIES |
18 Dec 2023 |
18 Dec 2023 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
|
12 Dec 2023 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K ITEM 3.02. UNREGISTERED SALE OF SECURITIES. |
06 Dec 2023 |
06 Dec 2023 |
001-14785 |
| RW |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. - REQUEST FOR WITHDRAWAL - FORM RW |
01 Dec 2023 |
|
333-275791 |
| S-3 |
Open Document
|
Open Filing |
POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT NO. 333-264114 |
30 Nov 2023 |
|
333-275791 |
| 4 |
Open Document
|
Open Filing |
|
27 Nov 2023 |
20 Nov 2023 |
|
| 8-K |
Open Document
|
Open Filing |
NASDAQ STAFF DETERMINATION - REQUIREMENT CURED |
17 Nov 2023 |
17 Nov 2023 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
14 Nov 2023 |
30 Sep 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
14 Nov 2023 |
14 Nov 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
NASDAQ DELISTING NOTICE AND APPEAL |
03 Nov 2023 |
03 Nov 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
REVERSE STOCK SPLIT |
26 Oct 2023 |
25 Oct 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
|
06 Oct 2023 |
06 Oct 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
03 Oct 2023 |
30 Sep 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Oct 2023 |
30 Sep 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Oct 2023 |
30 Sep 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Oct 2023 |
30 Sep 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
03 Oct 2023 |
30 Sep 2023 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
16 Aug 2023 |
30 Jun 2023 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
NT 10-Q |
15 Aug 2023 |
30 Jun 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
14 Aug 2023 |
14 Aug 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE LOUDERMILK AGREEMENT |
28 Jul 2023 |
28 Jul 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
05 Jul 2023 |
30 Jun 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
05 Jul 2023 |
30 Jun 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
05 Jul 2023 |
30 Jun 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
05 Jul 2023 |
30 Jun 2023 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE LIND 2003 TRANSACTION |
26 Jun 2023 |
26 Jun 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
14 Jun 2023 |
12 Jun 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
14 Jun 2023 |
12 Jun 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
14 Jun 2023 |
12 Jun 2023 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2023 ANNUAL MEETING RESULTS |
13 Jun 2023 |
12 Jun 2023 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
15 May 2023 |
31 Mar 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
15 May 2023 |
15 May 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
08 May 2023 |
07 May 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K NASDAQ EXTENSION GRANT |
04 May 2023 |
04 May 2023 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2023 ANNUAL MEETING NOTICE |
02 May 2023 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT |
02 May 2023 |
02 May 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K (NEW ORDERS) |
25 Apr 2023 |
25 Apr 2023 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE PRELIMINARY PROXY STATEMENT 2023 |
17 Apr 2023 |
17 Apr 2023 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
17 Apr 2023 |
31 Dec 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
07 Apr 2023 |
05 Apr 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
04 Apr 2023 |
31 Mar 2023 |
|
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
03 Apr 2023 |
31 Dec 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
30 Mar 2023 |
30 Mar 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 SUBMISSION |
21 Mar 2023 |
17 Mar 2023 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
14 Feb 2023 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K RENEWED 5-YEAR CONTRACT |
18 Jan 2023 |
18 Jan 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2023 |
31 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
15 Dec 2022 |
14 Dec 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
28 Nov 2022 |
23 Nov 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
22 Nov 2022 |
18 Nov 2022 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
14 Nov 2022 |
30 Sep 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
14 Nov 2022 |
14 Nov 2022 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS, INC DELISTING NOTICE |
08 Nov 2022 |
08 Nov 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2022 |
30 Sep 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Sep 2022 |
14 Sep 2022 |
|
| 8-K |
Open Document
|
Open Filing |
GSE INVESTOR PRESENTATION 09-2022 |
12 Sep 2022 |
12 Sep 2022 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
15 Aug 2022 |
30 Jun 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
15 Aug 2022 |
15 Aug 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2022 |
30 Jun 2022 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS INC - FORM 8-K FOR 2022 ANNUAL MEETING |
17 Jun 2022 |
17 Jun 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Jun 2022 |
14 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Jun 2022 |
14 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Jun 2022 |
14 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Jun 2022 |
14 Jun 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Jun 2022 |
14 Jun 2022 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A PROXY SUPPLEMENT |
01 Jun 2022 |
|
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K DHG MERGER |
01 Jun 2022 |
01 Jun 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
26 May 2022 |
24 May 2022 |
|
| EFFECT |
Open Document
|
Open Filing |
|
25 May 2022 |
|
333-264114 |
| CORRESP |
Open Document
|
Open Filing |
|
24 May 2022 |
|
|
| CORRESP |
Open Document
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24 May 2022 |
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| S-3/A |
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GSE FORM S-3/A |
24 May 2022 |
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333-264114 |
| 10-Q |
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| Data
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10-Q |
16 May 2022 |
31 Mar 2022 |
001-14785 |
| 8-K |
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| Data
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8-K |
16 May 2022 |
16 May 2022 |
001-14785 |
| DEFA14A |
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GSE SYSTEMS PROXY NOTICE |
02 May 2022 |
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001-14785 |
| DEF 14A |
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GSE DEFINITIVE PROXY STATEMENT 2022 |
02 May 2022 |
02 May 2022 |
001-14785 |
| UPLOAD |
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11 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| 4 |
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FORM 4 |
06 Apr 2022 |
05 Apr 2022 |
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| S-3 |
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GSE SYSTEMS INC - FORM S-3 |
04 Apr 2022 |
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333-264114 |
| 8-K |
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FORM 8-K INVESTOR PRESENTATION |
04 Apr 2022 |
04 Apr 2022 |
001-14785 |
| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 4 |
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FORM 4 |
01 Apr 2022 |
31 Mar 2022 |
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| 8-K/A |
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8-K/A |
01 Apr 2022 |
31 Mar 2022 |
001-14785 |
| 10-K |
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10-K |
31 Mar 2022 |
31 Dec 2021 |
001-14785 |
| 8-K |
Open Document
| Data
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Open Filing |
8-K |
31 Mar 2022 |
31 Mar 2022 |
001-14785 |
| 4 |
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Open Filing |
FORM 4 |
22 Mar 2022 |
18 Mar 2022 |
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| 4 |
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FORM 4 |
22 Mar 2022 |
18 Mar 2022 |
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| 4 |
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FORM 4 |
16 Mar 2022 |
15 Mar 2022 |
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| 3 |
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FORM 3 |
11 Mar 2022 |
28 Feb 2022 |
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| 8-K |
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FORM 8-K |
01 Mar 2022 |
28 Feb 2022 |
001-14785 |
| 8-K |
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FORM 8-K |
28 Feb 2022 |
28 Feb 2022 |
001-14785 |
| SC 13G/A |
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14 Feb 2022 |
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005-45371 |
| SC 13G/A |
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FORM SC 13G/A |
09 Feb 2022 |
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005-45371 |
| 4 |
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FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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Open Filing |
FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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Open Filing |
FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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Open Filing |
FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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FORM 4 |
04 Jan 2022 |
31 Dec 2021 |
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| 4 |
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FORM 4 |
22 Nov 2021 |
18 Nov 2021 |
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| 4 |
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Open Filing |
FORM 4 |
18 Nov 2021 |
16 Nov 2021 |
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| 10-Q |
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10-Q |
15 Nov 2021 |
30 Sep 2021 |
001-14785 |
| 8-K |
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| Data
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Open Filing |
8-K |
15 Nov 2021 |
15 Nov 2021 |
001-14785 |
| 4 |
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FORM 4 |
04 Oct 2021 |
30 Sep 2021 |
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| 4 |
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FORM 4 |
01 Oct 2021 |
30 Sep 2021 |
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| 4 |
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FORM 4 |
01 Oct 2021 |
30 Sep 2021 |
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| 4 |
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FORM 4 |
01 Oct 2021 |
30 Sep 2021 |
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| 4 |
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FORM 4 |
01 Oct 2021 |
30 Sep 2021 |
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| 8-K |
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FORM 8-K GSE SYSTEMS IR PRESENTATION 9-20-2021 |
20 Sep 2021 |
20 Sep 2021 |
001-14785 |
| 4 |
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FORM 4 |
13 Sep 2021 |
09 Sep 2021 |
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| 10-Q |
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10-Q |
16 Aug 2021 |
30 Jun 2021 |
001-14785 |
| 8-K |
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Open Filing |
8-K |
16 Aug 2021 |
16 Aug 2021 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
8-K |
06 Aug 2021 |
04 Aug 2021 |
001-14785 |
| 4 |
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Open Filing |
FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
Open Document
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FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
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FORM 4 |
02 Jul 2021 |
30 Jun 2021 |
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| 4 |
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FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
25 Jun 2021 |
23 Jun 2021 |
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| 4 |
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FORM 4 |
22 Jun 2021 |
18 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
22 Jun 2021 |
18 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
22 Jun 2021 |
18 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
22 Jun 2021 |
18 Jun 2021 |
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| 4 |
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FORM 4 |
22 Jun 2021 |
18 Jun 2021 |
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| 4 |
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FORM 4 |
16 Jun 2021 |
14 Jun 2021 |
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| 4 |
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FORM 4 |
16 Jun 2021 |
14 Jun 2021 |
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| 4 |
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Open Filing |
FORM 4 |
16 Jun 2021 |
14 Jun 2021 |
|
| 8-K |
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Open Filing |
FORM 8-K GSE SYSTEMS, INC 2021 ANNUAL MEETING RESULTS |
15 Jun 2021 |
15 Jun 2021 |
001-14785 |
| 8-K |
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Open Filing |
GSE SYSTEMS INVESTOR PRESENTATION 05-19-2021 |
19 May 2021 |
19 May 2021 |
001-14785 |
| 10-Q |
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Open Filing |
10-Q |
17 May 2021 |
31 Mar 2021 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
8-K |
17 May 2021 |
17 May 2021 |
001-14785 |
| 4 |
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Open Filing |
FORM 4 |
11 May 2021 |
11 May 2021 |
|
| DEFA14A |
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GSE SYSTEMS FORM DEFA14A - PROXY NOTICE |
30 Apr 2021 |
|
001-14785 |
| DEF 14A |
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GSE DEFINITIVE PROXY STATEMENT 043021 |
30 Apr 2021 |
30 Apr 2021 |
001-14785 |
| 8-K |
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FORM 8-K GSE SYSTEMS 50TH ANNIVERSARY |
14 Apr 2021 |
14 Apr 2021 |
001-14785 |
| 10-K |
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10-K |
13 Apr 2021 |
31 Dec 2020 |
001-14785 |
| 8-K |
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Open Filing |
CITIZEN'S BANK NINTH AMENDMENT AND REAFFIRMATION AGREEMENT |
02 Apr 2021 |
02 Apr 2021 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
8-K |
31 Mar 2021 |
31 Dec 2020 |
001-14785 |
| NT 10-K |
Open Document
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Open Filing |
NT 10-K FY20 12B-25 NOTIFICATION OF LATE FILING |
31 Mar 2021 |
31 Mar 2021 |
001-14785 |
| 3 |
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FORM 3 |
15 Mar 2021 |
12 Mar 2021 |
|
| 3 |
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FORM 3 |
15 Mar 2021 |
12 Mar 2021 |
|
| 8-K |
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J. BARNIE BEASLEY DEPARTURE |
26 Feb 2021 |
26 Feb 2021 |
001-14785 |
| 8-K |
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FORM 8-K GVP INVESTOR RELATIONS PRESENTATION |
24 Feb 2021 |
23 Feb 2021 |
001-14785 |
| SC 13G/A |
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|
16 Feb 2021 |
|
005-45371 |
| SC 13G/A |
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FORM SC 13G/A |
09 Feb 2021 |
|
005-45371 |
| SC 13G/A |
Open Document
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Open Filing |
|
05 Feb 2021 |
|
005-45371 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
04 Jan 2021 |
31 Dec 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
04 Jan 2021 |
31 Dec 2020 |
|
| 4 |
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Open Filing |
FORM 4 |
10 Dec 2020 |
09 Dec 2020 |
|
| 10-Q |
Open Document
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Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2020 |
16 Nov 2020 |
30 Sep 2020 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
8-K |
16 Nov 2020 |
30 Sep 2020 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Oct 2020 |
30 Sep 2020 |
|
| 4 |
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Open Filing |
FORM 4 |
02 Oct 2020 |
30 Sep 2020 |
|
| 8-K |
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Open Filing |
FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
25 Sep 2020 |
21 Sep 2020 |
001-14785 |
| 4 |
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FORM 4 |
11 Sep 2020 |
10 Sep 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
11 Sep 2020 |
11 Sep 2020 |
|
| 4 |
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Open Filing |
FORM 4 |
10 Sep 2020 |
09 Sep 2020 |
|
| 8-K |
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Open Filing |
FORM 8-K - EIGHTH AMENDMENT CITIZENS AGREEMENT |
03 Sep 2020 |
28 Aug 2020 |
001-14785 |
| 4 |
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Open Filing |
FORM 4 |
02 Sep 2020 |
31 Aug 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
01 Sep 2020 |
31 Aug 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
01 Sep 2020 |
31 Aug 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
01 Sep 2020 |
31 Aug 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
01 Sep 2020 |
31 Aug 2020 |
|
| 3 |
Open Document
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Open Filing |
FORM 3 |
31 Aug 2020 |
31 Aug 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2020 ANNUAL SHAREHOLDERS MEETING RESULTS |
31 Aug 2020 |
31 Aug 2020 |
001-14785 |
| 10-Q |
Open Document
| Data
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Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2020 |
20 Aug 2020 |
30 Jun 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
19 Aug 2020 |
30 Jun 2020 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
FORM 12B-25 NOTIFICATION OF LATE FILING 2Q20 |
14 Aug 2020 |
14 Aug 2020 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT 07-24-2020 |
24 Jul 2020 |
24 Jul 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 07-24-20 CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT |
24 Jul 2020 |
23 Jul 2020 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2020 |
23 Jul 2020 |
31 Mar 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
22 Jul 2020 |
31 Mar 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - GSE SYSTEMS INC 07-10-20 |
10 Jul 2020 |
08 Jul 2020 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
07 Jul 2020 |
30 Jun 2020 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
07 Jul 2020 |
30 Jun 2020 |
|
| NT 10-Q |
Open Document
|
Open Filing |
FORM 12B-25 FORM 10-Q PERIOD ENDED MARCH 31, 2020 |
29 Jun 2020 |
29 Jun 2020 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
8-K |
16 Jun 2020 |
31 Dec 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K NASDAQ MATTER CLOSED |
15 Jun 2020 |
12 Jun 2020 |
001-14785 |
| 10-K |
Open Document
| Data
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Open Filing |
GSE SYSTEMS, INC. - 2018 - 10-K |
11 Jun 2020 |
31 Dec 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
05 Jun 2020 |
01 Jun 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K ITEM 8.01 OTHER EVENTS - FORM 10-K FILING |
29 May 2020 |
29 May 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS DEPARTURE OF DIRECTORS & OTHER EVENTS |
22 May 2020 |
19 May 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 10-Q EXTENSION RE COVID AND FULLER DEPARTURE |
15 May 2020 |
12 May 2020 |
001-14785 |
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K FY19 12B-25 NOTIFICATION OF LATE FILING |
14 May 2020 |
14 May 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS INC PPP LOAN 04-30-2020 |
30 Apr 2020 |
24 Apr 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - GSE SYSTEMS INC. FORM DEF14A EXTENSION |
29 Apr 2020 |
29 Apr 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K CITIZENS BANK SEVENTH AMENDMENT AND REAFFIRMATION AGREEMENT |
17 Apr 2020 |
17 Apr 2020 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A GSE SYSTEMS INC 10-K FILING DATE |
15 Apr 2020 |
30 Mar 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
14 Apr 2020 |
31 Dec 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2020 |
31 Mar 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2020 |
31 Mar 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 10-K EXTENSION RE COVID-19 |
30 Mar 2020 |
30 Mar 2020 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G HOLDINGS REPORT AMENDMENT |
14 Feb 2020 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
14 Feb 2020 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
13 Feb 2020 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
FORM SC 13G |
11 Feb 2020 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
CITIZENS BANK AGREEMENT |
08 Jan 2020 |
07 Jan 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K SETTLEMENT AND RELEASE AGREEMENT |
06 Jan 2020 |
06 Jan 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2020 |
31 Dec 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2020 |
31 Dec 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2020 |
31 Dec 2019 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K O'CONNOR ELECTED TO GSE BOARD |
20 Dec 2019 |
17 Dec 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
19 Dec 2019 |
17 Dec 2019 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
19 Dec 2019 |
17 Dec 2019 |
|
| 3/A |
Open Document
|
Open Filing |
AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES |
11 Dec 2019 |
19 Nov 2019 |
|
| 10-Q/A |
Open Document
|
Open Filing |
10-Q/A |
10 Dec 2019 |
30 Sep 2019 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES |
29 Nov 2019 |
19 Nov 2019 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q3 2019 |
19 Nov 2019 |
30 Sep 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
19 Nov 2019 |
19 Nov 2019 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
NT 10-Q |
14 Nov 2019 |
13 Nov 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Oct 2019 |
30 Sep 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Oct 2019 |
30 Sep 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Oct 2019 |
30 Sep 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Oct 2019 |
30 Sep 2019 |
|
| 8-K |
Open Document
|
Open Filing |
GVP INVESTOR PRESENTATION SEPTEMBER 24, 2019 |
24 Sep 2019 |
24 Sep 2019 |
001-14785 |
| RW |
Open Document
|
Open Filing |
GSE SYSTEMS-WITHDRAWAL LETTER FOR S-3 |
19 Sep 2019 |
|
333-233286 |
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS, REGULATION FD DISCLOSURE |
19 Sep 2019 |
18 Sep 2019 |
001-14785 |
| S-3 |
Open Document
|
Open Filing |
S-3 |
15 Aug 2019 |
|
333-233286 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2019 |
14 Aug 2019 |
30 Jun 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q2 2019 - EARNINGS RELEASE |
14 Aug 2019 |
30 Jun 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2019 |
30 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2019 |
30 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2019 |
30 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2019 |
30 Jun 2019 |
|
| 8-K |
Open Document
|
Open Filing |
CITIZEN'S BANK AMENDMENT AND REAFFIRMATION AGREEMENT |
01 Jul 2019 |
28 Jun 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Jun 2019 |
11 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Jun 2019 |
11 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Jun 2019 |
11 Jun 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Jun 2019 |
11 Jun 2019 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K RESULTS GSE SYSTEMS 2019 ANNUAL SHAREHOLDERS MEETING |
11 Jun 2019 |
11 Jun 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
07 Jun 2019 |
05 Jun 2019 |
|
| DEFA14A |
Open Document
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Open Filing |
GSE DEFINITIVE ADDITIONAL MATERIALS FOR PROXY STATEMENT 2019-05-31 |
31 May 2019 |
|
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
22 May 2019 |
20 May 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
17 May 2019 |
15 May 2019 |
|
| 10-Q |
Open Document
| Data
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Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2019 |
15 May 2019 |
31 Mar 2019 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
FORM 8-K - Q1 2019 EARNINGS RELEASE |
15 May 2019 |
31 Mar 2019 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
10 May 2019 |
08 May 2019 |
|
| SC 13G/A |
Open Document
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Open Filing |
SC 13G/A |
08 May 2019 |
|
005-45371 |
| 8-K/A |
Open Document
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Open Filing |
FORM 8-K/A - AMENDMENTS TO 8-K FILED ON FEBRUARY 19, 2019 |
01 May 2019 |
19 Feb 2019 |
001-14785 |
| DEFA14A |
Open Document
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Open Filing |
GSE SYSTEMS 2019 PROXY NOTICE |
30 Apr 2019 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2019 PROXY STATEMENT |
30 Apr 2019 |
30 Apr 2019 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2019 |
31 Mar 2019 |
|
| 10-K |
Open Document
| Data
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Open Filing |
GSE SYSTEMS, INC. - 2018 - 10-K |
28 Mar 2019 |
31 Dec 2018 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
20 Mar 2019 |
15 Mar 2019 |
|
| 8-K |
Open Document
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Open Filing |
GVP - CORPORATE PRESENTATION - MARCH 2019 |
18 Mar 2019 |
18 Mar 2019 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
FORM 8-K: EARNINGS RELEASE - FY 2018 |
14 Mar 2019 |
31 Dec 2018 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
GSE SYSTEMS ACQUIRES DP ENGINEERING |
19 Feb 2019 |
19 Feb 2019 |
001-14785 |
| SC 13G/A |
Open Document
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SC 13G/A |
14 Feb 2019 |
|
005-45371 |
| SC 13G/A |
Open Document
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Open Filing |
SC 13G/A |
14 Feb 2019 |
|
005-45371 |
| SC 13G/A |
Open Document
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SCHEDULE 13G HOLDINGS REPORT AMENDMENT |
14 Feb 2019 |
|
005-45371 |
| 4 |
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FORM 4 |
08 Feb 2019 |
07 Feb 2019 |
|
| 4 |
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Open Filing |
FORM 4 |
08 Feb 2019 |
07 Feb 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
08 Feb 2019 |
07 Feb 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
08 Feb 2019 |
07 Feb 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
11 Jan 2019 |
11 Jan 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
11 Jan 2019 |
11 Jan 2019 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
11 Jan 2019 |
11 Jan 2019 |
|
| 8-K |
Open Document
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Open Filing |
AMENDMENTS TO CERTAIN AGREEMENTS WITH EXECUTIVE OFFICERS |
11 Jan 2019 |
11 Jan 2019 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
03 Jan 2019 |
31 Dec 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
03 Jan 2019 |
01 Jan 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2019 |
31 Dec 2018 |
|
| 10-Q |
Open Document
| Data
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Open Filing |
GSE SYSTEMS INC FORM 10-Q Q3 2018 |
14 Nov 2018 |
30 Sep 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q3 2018 - EARNINGS RELEASE |
14 Nov 2018 |
30 Sep 2018 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Oct 2018 |
30 Sep 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
14 Sep 2018 |
13 Sep 2018 |
|
| 8-K |
Open Document
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Open Filing |
GVP - CORPORATE PRESENTATION - AUGUST 2018 |
28 Aug 2018 |
27 Aug 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2Q18 EARNINGS CALL TRANSCRIPT |
17 Aug 2018 |
17 Aug 2018 |
001-14785 |
| 10-Q |
Open Document
| Data
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Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2018 |
14 Aug 2018 |
30 Jun 2018 |
001-14785 |
| 8-K |
Open Document
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Open Filing |
FORM 8-K - Q2 2018 - EARNINGS RELEASE |
14 Aug 2018 |
30 Jun 2018 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A - AMENDMENTS TO 8-K FILED ON MAY 14, 2018 |
24 Jul 2018 |
11 May 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Jul 2018 |
30 Jun 2018 |
|
| 8-K |
Open Document
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Open Filing |
GSE SYSTEMS INC 2018 ANNUAL MEETING RESULTS, AMENDMENTS TO ARTICLES OF INC, IR P |
15 Jun 2018 |
12 Jun 2018 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
13 Jun 2018 |
12 Jun 2018 |
|
| 3 |
Open Document
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Open Filing |
FORM 3 |
13 Jun 2018 |
12 Jun 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
13 Jun 2018 |
12 Jun 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
13 Jun 2018 |
12 Jun 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
13 Jun 2018 |
12 Jun 2018 |
|
| DEFA14A |
Open Document
|
Open Filing |
2018 PROXY CARD |
11 Jun 2018 |
|
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2018 |
15 May 2018 |
31 Mar 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q1 2018 EARNINGS RELEASE |
15 May 2018 |
31 Mar 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. TRUE NORTH AND CREDIT AGREEMENTS |
14 May 2018 |
14 May 2018 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2018 PROXY NOTICE |
30 Apr 2018 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2018 PROXY STATEMENT |
30 Apr 2018 |
30 Apr 2018 |
001-14785 |
| CERT |
Open Document
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Open Filing |
|
27 Apr 2018 |
|
001-14785 |
| 25 |
Open Document
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Open Filing |
NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(B) |
27 Apr 2018 |
|
001-14785 |
| 8-A12B |
Open Document
|
Open Filing |
FORM 8-A GSE SYSTEMS, INC. NASDAQ REGISTRATION 12(B) |
27 Apr 2018 |
|
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. TO BEGIN TRADING ON NASDAQ CAPITAL MARKET |
19 Apr 2018 |
19 Apr 2018 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. PRELIMINARY PROXY STATEMENT |
16 Apr 2018 |
12 Jun 2018 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Apr 2018 |
31 Mar 2018 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K QUINN AND LEWIS DEPARTURE |
23 Mar 2018 |
23 Mar 2018 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
23 Mar 2018 |
20 Mar 2018 |
|
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2017 - 10-K |
16 Mar 2018 |
31 Dec 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K: EARNINGS RELEASE - FY 2017 |
15 Mar 2018 |
31 Dec 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Mar 2018 |
28 Feb 2018 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
14 Feb 2018 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
13G/A |
13 Feb 2018 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
13 Feb 2018 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Jan 2018 |
31 Dec 2017 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
03 Jan 2018 |
01 Jan 2018 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
03 Jan 2018 |
01 Jan 2018 |
|
| 8-K |
Open Document
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Open Filing |
INTERNATIONAL RESTRUCTURING |
27 Dec 2017 |
27 Dec 2017 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
|
30 Nov 2017 |
20 Sep 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP UPDATED INVESTOR PRESENTATION DATED NOVEMBER 29, 2017 |
29 Nov 2017 |
29 Nov 2017 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
16 Nov 2017 |
15 Nov 2017 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
14 Nov 2017 |
30 Sep 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
EARNINGS RELEASE - Q3 2017 |
14 Nov 2017 |
30 Sep 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
02 Oct 2017 |
30 Sep 2017 |
|
| 8-K |
Open Document
|
Open Filing |
ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT |
20 Sep 2017 |
20 Sep 2017 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
14 Aug 2017 |
30 Jun 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
EARNINGS RELEASE - Q2 2017 |
14 Aug 2017 |
30 Jun 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2017 |
30 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2017 |
30 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2017 |
30 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2017 |
30 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2017 |
30 Jun 2017 |
|
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K RESULTS OF ANNUAL MEETING 06-12-2017 |
16 Jun 2017 |
12 Jun 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Jun 2017 |
12 Jun 2017 |
|
| 3 |
Open Document
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Open Filing |
FORM 3 |
14 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
13 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
13 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
13 Jun 2017 |
12 Jun 2017 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
09 Jun 2017 |
07 Jun 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
07 Jun 2017 |
07 Jun 2017 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
15 May 2017 |
31 Mar 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 1Q17 RESULTS OF OPERATIONS |
15 May 2017 |
15 May 2017 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC 2017 PROXY NOTICE |
25 Apr 2017 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2017 PROXY STATEMENT |
25 Apr 2017 |
21 Apr 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Apr 2017 |
31 Mar 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Apr 2017 |
31 Mar 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Apr 2017 |
31 Mar 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Apr 2017 |
31 Mar 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Apr 2017 |
31 Mar 2017 |
|
| SC 13G/A |
Open Document
|
Open Filing |
AMENDMENT NO. 6 TO SCHEDULE 13G |
31 Mar 2017 |
|
005-45371 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2015 - 10-K |
28 Mar 2017 |
31 Dec 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP INVESTOR PRESENTATION MARCH 14, 2017 |
13 Mar 2017 |
13 Mar 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K FY16 EARNINGS |
09 Mar 2017 |
09 Mar 2017 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
27 Feb 2017 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
|
14 Feb 2017 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
10 Feb 2017 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Jan 2017 |
23 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
01 Jan 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Jan 2017 |
31 Dec 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS NEW CREDIT FACILITY FORM 8-K |
04 Jan 2017 |
04 Jan 2017 |
001-14785 |
| UPLOAD |
Open Document
|
Open Filing |
|
03 Jan 2017 |
|
|
| CORRESP |
Open Document
|
Open Filing |
|
22 Dec 2016 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Dec 2016 |
12 Dec 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION |
14 Dec 2016 |
08 Dec 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
13 Dec 2016 |
13 Dec 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Dec 2016 |
08 Dec 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Dec 2016 |
08 Dec 2016 |
|
| UPLOAD |
Open Document
|
Open Filing |
|
08 Dec 2016 |
|
|
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K 3Q16 FINANCIAL RESULTS PRESS RELEASE |
16 Nov 2016 |
16 Nov 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
14 Nov 2016 |
30 Sep 2016 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
27 Oct 2016 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Oct 2016 |
30 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 Sep 2016 |
19 Sep 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
21 Sep 2016 |
14 Sep 2016 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
21 Sep 2016 |
02 Sep 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
20 Sep 2016 |
02 Sep 2016 |
|
| 8-K |
Open Document
|
Open Filing |
AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR. |
16 Sep 2016 |
16 Sep 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP INVESTOR PRESENTATION SEPTEMBER 15, 2016 |
15 Sep 2016 |
13 Sep 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF CERTAIN DIRECTORS OR OFFICERS |
15 Sep 2016 |
14 Sep 2016 |
001-14785 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
02 Sep 2016 |
30 Jun 2016 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K SORRELLS AGREEMENT |
19 Aug 2016 |
17 Aug 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
17 Aug 2016 |
15 Aug 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K 2Q16 EARNINGS |
15 Aug 2016 |
15 Aug 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
15 Aug 2016 |
30 Jun 2016 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
08 Aug 2016 |
08 Aug 2016 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF CERTAIN DIRECTORS OR OFFICERS |
08 Aug 2016 |
08 Aug 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Jul 2016 |
01 Jul 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
05 Jul 2016 |
01 Jul 2016 |
|
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT O |
05 Jul 2016 |
05 Jul 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jul 2016 |
01 Jul 2016 |
|
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT O |
01 Jul 2016 |
01 Jul 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
30 Jun 2016 |
30 Jun 2016 |
|
| S-8 |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 REGISTRATION STATEMENT ADDITIONAL SHARES FOR 1995 PLAN |
24 Jun 2016 |
|
333-212241 |
| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS JOINS RUSSELL MICROCAP INDEX |
16 Jun 2016 |
16 Jun 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
15 Jun 2016 |
14 Jun 2016 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K RESULTS OF GSE SYSTEMS, INC. 2016 ANNUAL SHAREHOLDERS MEETING |
10 Jun 2016 |
07 Jun 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
01 Jun 2016 |
27 May 2016 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
27 May 2016 |
25 May 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
27 May 2016 |
31 Mar 2016 |
|
| DEFA14A |
Open Document
|
Open Filing |
SUPPLEMENT TO THE PROXY STATEMENT FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE H |
27 May 2016 |
|
001-14785 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
27 May 2016 |
27 May 2016 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
27 May 2016 |
23 May 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
26 May 2016 |
25 May 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
26 May 2016 |
24 May 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 May 2016 |
23 May 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
23 May 2016 |
20 May 2016 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 8-K 1Q16 RESULTS OF OPERATIONS |
16 May 2016 |
16 May 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
16 May 2016 |
31 Mar 2016 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 DEFA14A |
27 Apr 2016 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 PROXY STATEMENT |
27 Apr 2016 |
31 Dec 2015 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2015 - 10-K |
25 Mar 2016 |
31 Dec 2015 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
24 Mar 2016 |
22 Mar 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
22 Mar 2016 |
21 Mar 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
22 Mar 2016 |
21 Mar 2016 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
GVP FORM 8-K PRESS RELEASE |
22 Mar 2016 |
22 Mar 2016 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
GVP FORM 8-K CONTRACT PRESS RELEASE |
17 Mar 2016 |
17 Mar 2016 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. 12-21-2015 FINANCIAL RESULTS PRESS RELEASE |
15 Mar 2016 |
15 Mar 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Mar 2016 |
01 Mar 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Mar 2016 |
01 Mar 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Mar 2016 |
01 Mar 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Mar 2016 |
01 Mar 2016 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A NO.5 |
10 Feb 2016 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Feb 2016 |
01 Feb 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
05 Feb 2016 |
01 Feb 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GVP LOUDERMILK - FORM 8-K 012816 |
28 Jan 2016 |
28 Jan 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
26 Jan 2016 |
22 Jan 2016 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SCHEDULE 13D AMENDMENT NO. 1 |
26 Jan 2016 |
|
005-45371 |
| SC 13D |
Open Document
|
Open Filing |
SC 13D |
17 Dec 2015 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Dec 2015 |
14 Dec 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
16 Dec 2015 |
14 Dec 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Dec 2015 |
11 Dec 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
14 Dec 2015 |
02 Dec 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
14 Dec 2015 |
02 Dec 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
14 Dec 2015 |
20 Nov 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
14 Dec 2015 |
20 Nov 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
14 Dec 2015 |
25 Nov 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Dec 2015 |
02 Dec 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Dec 2015 |
02 Dec 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
04 Dec 2015 |
03 Jun 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
03 Dec 2015 |
01 Dec 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
03 Dec 2015 |
01 Dec 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
30 Nov 2015 |
25 Nov 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
24 Nov 2015 |
20 Nov 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
24 Nov 2015 |
20 Nov 2015 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
24 Nov 2015 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
19 Nov 2015 |
17 Nov 2015 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 3Q15 FINANCIAL RESULTS |
12 Nov 2015 |
12 Nov 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 3Q15 |
12 Nov 2015 |
30 Sep 2015 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
06 Nov 2015 |
30 Oct 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
06 Nov 2015 |
30 Oct 2015 |
|
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
04 Nov 2015 |
04 Nov 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
01 Oct 2015 |
01 Oct 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP RESTRUCTURING |
28 Sep 2015 |
22 Sep 2015 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
25 Aug 2015 |
25 Aug 2015 |
|
| 8-K |
Open Document
|
Open Filing |
GVP SORRELLS - FORM 8-K 082515 |
25 Aug 2015 |
25 Aug 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q15 FINANCIAL RESULTS |
13 Aug 2015 |
13 Aug 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q15 |
13 Aug 2015 |
30 Jun 2015 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
06 Aug 2015 |
03 Aug 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
05 Aug 2015 |
03 Aug 2015 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF KYLE LOUDERMILK |
31 Jul 2015 |
31 Jul 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE 060315 FORM 8-K RESULTS OF ANNUAL SHAREHOLDERS MEETING |
08 Jun 2015 |
03 Jun 2015 |
001-14785 |
| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
27 May 2015 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
|
14 May 2015 |
14 May 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q15 |
14 May 2015 |
31 Mar 2015 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2015 PROXY STATEMENT |
22 Apr 2015 |
31 Dec 2014 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
|
13 Apr 2015 |
13 Apr 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE 12-31-2014 EARNINGS AND EMPLOYMENT AGREEMENTS |
19 Mar 2015 |
18 Mar 2015 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2014 - 10-K |
19 Mar 2015 |
31 Dec 2014 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Mar 2015 |
02 Mar 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Mar 2015 |
02 Mar 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Mar 2015 |
02 Mar 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Mar 2015 |
02 Mar 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
04 Mar 2015 |
02 Mar 2015 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G AMENDMENT NO. 4 |
17 Feb 2015 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
09 Feb 2015 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR |
04 Feb 2015 |
04 Feb 2015 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
NONE |
30 Jan 2015 |
|
005-45371 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A |
29 Jan 2015 |
14 Nov 2014 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
MARK LEONARD SCHEDULE 13G AMENDMENT NO 1 |
06 Jan 2015 |
|
005-45371 |
| SC 13D |
Open Document
|
Open Filing |
SC 13D |
30 Dec 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
03 Dec 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 3Q14 |
17 Nov 2014 |
14 Nov 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q14 |
14 Nov 2014 |
30 Sep 2014 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G - MARK LEONARD |
18 Aug 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q14 RESULTS PRESS RELEASE |
15 Aug 2014 |
15 Aug 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q14 |
14 Aug 2014 |
30 Jun 2014 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SC 13G |
23 Jul 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
JULY 11, 2014 |
11 Jul 2014 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
NONE |
11 Jul 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K 1Q14 PRESS RELEASE |
15 May 2014 |
31 Mar 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q14 |
15 May 2014 |
31 Mar 2014 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2014 PROXY STATEMENT |
29 Apr 2014 |
31 Dec 2013 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K |
26 Mar 2014 |
26 Mar 2014 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
|
26 Mar 2014 |
31 Dec 2013 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Mar 2014 |
03 Mar 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Mar 2014 |
03 Mar 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Mar 2014 |
03 Mar 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Mar 2014 |
03 Mar 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
12 Mar 2014 |
03 Mar 2014 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G AMENDMENT NO. 3 |
14 Feb 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FORM SC 13G/A |
12 Feb 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FEBRUARY 4, 2014 |
06 Feb 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K 3Q13 PRESS RELEASE |
14 Nov 2013 |
30 Sep 2013 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 10-Q 3Q13 |
14 Nov 2013 |
30 Sep 2013 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
11 Sep 2013 |
06 Sep 2013 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q13 RESULTS PRESS RELEASE |
14 Aug 2013 |
09 Aug 2013 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 10-Q 2Q13 |
14 Aug 2013 |
09 Aug 2013 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE ANNUAL MEETING RESULTS |
13 Jun 2013 |
12 Jun 2013 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 1Q13 |
15 May 2013 |
31 Mar 2013 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP 1Q2013 |
14 May 2013 |
31 Mar 2013 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2013 PROXY STATEMENT |
30 Apr 2013 |
30 Apr 2013 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K |
23 Apr 2013 |
17 Apr 2013 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
29 Mar 2013 |
07 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
18 Mar 2013 |
14 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Mar 2013 |
07 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Mar 2013 |
07 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Mar 2013 |
07 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Mar 2013 |
07 Mar 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
14 Mar 2013 |
07 Mar 2013 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS FY12 RESULTS OF OPERATIONS |
11 Mar 2013 |
11 Mar 2013 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS 2012 FORM 10-K |
11 Mar 2013 |
31 Dec 2012 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
GVP_123112 |
13 Feb 2013 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
08 Feb 2013 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
06 Feb 2013 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
JANUARY 14, 2013 |
14 Jan 2013 |
|
005-45371 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
02 Jan 2013 |
01 Jan 2013 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
27 Dec 2012 |
20 Dec 2012 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
20 Dec 2012 |
14 Dec 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
20 Dec 2012 |
14 Dec 2012 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K 3Q12 FINANCIAL RESULTS |
14 Nov 2012 |
30 Sep 2012 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 3Q12 |
14 Nov 2012 |
30 Sep 2012 |
001-14785 |
| UPLOAD |
Open Document
|
Open Filing |
|
04 Oct 2012 |
|
|
| CORRESP |
Open Document
|
Open Filing |
|
21 Sep 2012 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
18 Sep 2012 |
13 Sep 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
13 Sep 2012 |
11 Sep 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
10 Sep 2012 |
06 Sep 2012 |
|
| UPLOAD |
Open Document
|
Open Filing |
|
07 Sep 2012 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
29 Aug 2012 |
27 Aug 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
29 Aug 2012 |
28 Aug 2012 |
|
| S-8 |
Open Document
|
Open Filing |
GSE SYSTEMS S-8 REGISTRATION STATEMENT |
20 Aug 2012 |
|
333-183427 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q12 EARNINGS PRESS RELEASE |
13 Aug 2012 |
13 Aug 2012 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 10-Q 2Q12 |
13 Aug 2012 |
30 Jun 2012 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
26 Jun 2012 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SHAREHOLDERS MEETING RESULTS |
15 Jun 2012 |
15 Jun 2012 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
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| 4 |
Open Document
|
Open Filing |
FORM 4 |
21 May 2012 |
17 May 2012 |
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| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
18 May 2012 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
MAIN DOCUMENT DESCRIPTION |
17 May 2012 |
15 May 2012 |
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| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K 1Q12 EARNINGS |
15 May 2012 |
15 May 2012 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 10-Q 1Q12 |
15 May 2012 |
09 May 2012 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
MAIN DOCUMENT DESCRIPTION |
14 May 2012 |
10 May 2012 |
|
| SC 13G/A |
Open Document
|
Open Filing |
GVP 04302012 A2 |
09 May 2012 |
|
005-45371 |
| DEFR14A |
Open Document
|
Open Filing |
GSE 2012 REVISED PROXY STATEMENT |
04 May 2012 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE 2012 PROXY STATEMENT |
30 Apr 2012 |
30 Apr 2012 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
MAIN DOCUMENT DESCRIPTION |
25 Apr 2012 |
16 Apr 2012 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
20 Apr 2012 |
|
005-45371 |
| 4/A |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
19 Apr 2012 |
15 Mar 2012 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SCHEDULE 13D/A |
19 Apr 2012 |
|
005-45371 |
| 5/A |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2011 |
|
| 5 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2011 |
|
| 5 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2010 |
|
| 5 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2009 |
|
| 5 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2008 |
|
| 5 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
30 Mar 2012 |
31 Dec 2007 |
|
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
27 Mar 2012 |
15 Mar 2012 |
|
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
19 Mar 2012 |
|
005-45371 |
| SC 13D |
Open Document
|
Open Filing |
SC 13D |
14 Mar 2012 |
|
005-45371 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
14 Mar 2012 |
06 Mar 2012 |
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| 8-K |
Open Document
|
Open Filing |
FORM 8-K SORRELLS BOD APPOINTMENT |
09 Mar 2012 |
09 Mar 2012 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K FY11 EARNINGS PRESS RELEASE |
08 Mar 2012 |
08 Mar 2012 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS 2011 FORM 10-K |
08 Mar 2012 |
21 Feb 2012 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K MICHAEL FELDMAN RESIGNATION |
29 Feb 2012 |
29 Feb 2012 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
GVP 123111 |
14 Feb 2012 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
AMENDMENT NO. 1 TO SCHEDULE 13G |
14 Feb 2012 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
13 Feb 2012 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
10 Feb 2012 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
PEDERSEN RESIGNATION |
06 Jan 2012 |
06 Jan 2012 |
001-14785 |