| SCHEDULE 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2025 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Nov 14, 2024 |
|
005-45371 |
| EFFECT |
Open Document
|
Open Filing |
|
Nov 13, 2024 |
|
333-276128 |
| EFFECT |
Open Document
|
Open Filing |
|
Nov 13, 2024 |
|
333-264114 |
| 15-12G |
Open Document
|
Open Filing |
15-12G |
Nov 13, 2024 |
|
001-14785 |
| POS AM |
Open Document
|
Open Filing |
POS AM |
Nov 8, 2024 |
|
333-276128 |
| POS AM |
Open Document
|
Open Filing |
POS AM |
Nov 8, 2024 |
|
333-264114 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Nov 8, 2024 |
|
333-212241 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Nov 8, 2024 |
|
333-183427 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Nov 8, 2024 |
|
333-150249 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Nov 8, 2024 |
|
333-138702 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Nov 8, 2024 |
|
333-08805 |
| 25-NSE |
Open Document
|
Open Filing |
|
Nov 1, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 1, 2024 |
Oct 31, 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 29, 2024 |
Oct 29, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Oct 25, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 25, 2024 |
Oct 25, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
Oct 23, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 23, 2024 |
Oct 23, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
Oct 22, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 22, 2024 |
Oct 22, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A |
Oct 21, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 21, 2024 |
Oct 18, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Oct 18, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 18, 2024 |
Oct 14, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Oct 16, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 16, 2024 |
Oct 16, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Oct 15, 2024 |
|
001-14785 |
| SC 13D |
Open Document
|
Open Filing |
SCHEDULE 13D |
Oct 11, 2024 |
|
005-45371 |
| DEFA14A |
Open Document
|
Open Filing |
DEF14A |
Oct 8, 2024 |
|
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 8, 2024 |
Oct 2, 2024 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Oct 2, 2024 |
Sep 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 2, 2024 |
Sep 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 2, 2024 |
Sep 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 2, 2024 |
Sep 30, 2024 |
|
| DEFM14A |
Open Document
|
Open Filing |
DEFM14A |
Sep 18, 2024 |
|
001-14785 |
| DEFM14A |
Open Document
|
Open Filing |
DEFM14A |
Sep 16, 2024 |
|
001-14785 |
| PREM14A |
Open Document
|
Open Filing |
PREM14A |
Sep 4, 2024 |
Sep 4, 2024 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 14, 2024 |
Jun 30, 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 14, 2024 |
Aug 14, 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
AMENDMENT NO. 1 TO SCHEDULE 13G |
Aug 9, 2024 |
|
005-45371 |
| 8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Aug 8, 2024 |
Aug 7, 2024 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Aug 5, 2024 |
Jul 22, 2024 |
|
| 8-K |
Open Document
|
Open Filing |
RAVI KHANNA EMPLOYMENT AGREEMENT |
Jul 26, 2024 |
Jul 22, 2024 |
001-14785 |
| 144 |
Open Document
|
Open Filing |
|
Jul 3, 2024 |
|
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Jul 2, 2024 |
Jun 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 2, 2024 |
Jun 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 2, 2024 |
Jun 30, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 2, 2024 |
Jun 30, 2024 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2024 ANNUAL MEETING RESULTS |
Jul 2, 2024 |
Jul 1, 2024 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC 2024 PROXY CARD |
May 29, 2024 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2024 DEFINITIVE PROXY |
May 24, 2024 |
Jul 1, 2024 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2024 |
Mar 31, 2024 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 15, 2024 |
May 15, 2024 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K APPOINTMENT OF DAMIAN DELONGCHAMP AS CHIEF OPERATING O |
May 14, 2024 |
May 8, 2024 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE PRELIMINARY PROXY STATEMENT |
May 13, 2024 |
May 13, 2024 |
001-14785 |
| SC 13D |
Open Document
|
Open Filing |
LOUDERMILK SCHEDULE 13D |
May 6, 2024 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K |
Apr 30, 2024 |
Apr 24, 2024 |
001-14785 |
| 10-K/A |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 10-K/A 04-29-2024 |
Apr 29, 2024 |
Apr 29, 2024 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
Apr 5, 2024 |
|
005-45371 |
| 10-K/A |
Open Document
| Data
|
Open Filing |
10-K/A |
Apr 2, 2024 |
Dec 31, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Apr 2, 2024 |
Mar 31, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 2, 2024 |
Mar 31, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 2, 2024 |
Mar 31, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 2, 2024 |
Mar 31, 2024 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 2, 2024 |
Mar 31, 2024 |
|
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 2, 2024 |
Dec 31, 2023 |
001-14785 |
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
Apr 2, 2024 |
Dec 31, 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 1, 2024 |
Apr 1, 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2024 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 13, 2024 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. - FORM 8-K LIND NOTE AMENDMENTS FEB. 2024 |
Feb 13, 2024 |
Feb 12, 2024 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 9, 2024 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
|
Jan 3, 2024 |
Dec 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jan 3, 2024 |
Dec 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jan 3, 2024 |
Dec 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jan 3, 2024 |
Dec 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jan 3, 2024 |
Dec 31, 2023 |
|
| EFFECT |
Open Document
|
Open Filing |
|
Dec 29, 2023 |
|
333-276128 |
| CORRESP |
Open Document
|
Open Filing |
|
Dec 28, 2023 |
|
|
| UPLOAD |
Open Document
|
Open Filing |
|
Dec 21, 2023 |
|
|
| S-3/A |
Open Document
|
Open Filing |
S-3/A |
Dec 20, 2023 |
|
333-276128 |
| S-3 |
Open Document
|
Open Filing |
S-3 |
Dec 19, 2023 |
|
333-276128 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. UNREGISTERED SALE OF SECURITIES |
Dec 18, 2023 |
Dec 18, 2023 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
|
Dec 12, 2023 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K ITEM 3.02. UNREGISTERED SALE OF SECURITIES. |
Dec 6, 2023 |
Dec 6, 2023 |
001-14785 |
| RW |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. - REQUEST FOR WITHDRAWAL - FORM RW |
Dec 1, 2023 |
|
333-275791 |
| S-3 |
Open Document
|
Open Filing |
POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT NO. 333-264114 |
Nov 30, 2023 |
|
333-275791 |
| 4 |
Open Document
|
Open Filing |
|
Nov 27, 2023 |
Nov 20, 2023 |
|
| 8-K |
Open Document
|
Open Filing |
NASDAQ STAFF DETERMINATION - REQUIREMENT CURED |
Nov 17, 2023 |
Nov 17, 2023 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 14, 2023 |
Sep 30, 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 14, 2023 |
Nov 14, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
NASDAQ DELISTING NOTICE AND APPEAL |
Nov 3, 2023 |
Nov 3, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
REVERSE STOCK SPLIT |
Oct 26, 2023 |
Oct 25, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
|
Oct 6, 2023 |
Oct 6, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Oct 3, 2023 |
Sep 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 3, 2023 |
Sep 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 3, 2023 |
Sep 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 3, 2023 |
Sep 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Oct 3, 2023 |
Sep 30, 2023 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 16, 2023 |
Jun 30, 2023 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
NT 10-Q |
Aug 15, 2023 |
Jun 30, 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 14, 2023 |
Aug 14, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE LOUDERMILK AGREEMENT |
Jul 28, 2023 |
Jul 28, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Jul 5, 2023 |
Jun 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 5, 2023 |
Jun 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 5, 2023 |
Jun 30, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jul 5, 2023 |
Jun 30, 2023 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE LIND 2003 TRANSACTION |
Jun 26, 2023 |
Jun 26, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Jun 14, 2023 |
Jun 12, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jun 14, 2023 |
Jun 12, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Jun 14, 2023 |
Jun 12, 2023 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2023 ANNUAL MEETING RESULTS |
Jun 13, 2023 |
Jun 12, 2023 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 15, 2023 |
Mar 31, 2023 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 15, 2023 |
May 15, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
May 8, 2023 |
May 7, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K NASDAQ EXTENSION GRANT |
May 4, 2023 |
May 4, 2023 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2023 ANNUAL MEETING NOTICE |
May 2, 2023 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT |
May 2, 2023 |
May 2, 2023 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K (NEW ORDERS) |
Apr 25, 2023 |
Apr 25, 2023 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE PRELIMINARY PROXY STATEMENT 2023 |
Apr 17, 2023 |
Apr 17, 2023 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 17, 2023 |
Dec 31, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 7, 2023 |
Apr 5, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| 4 |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
Mar 31, 2023 |
|
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K |
Apr 3, 2023 |
Dec 31, 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 30, 2023 |
Mar 30, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 SUBMISSION |
Mar 21, 2023 |
Mar 17, 2023 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2023 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K RENEWED 5-YEAR CONTRACT |
Jan 18, 2023 |
Jan 18, 2023 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2023 |
Dec 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 14, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 28, 2022 |
Nov 23, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 22, 2022 |
Nov 18, 2022 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 14, 2022 |
Sep 30, 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 14, 2022 |
Nov 14, 2022 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS, INC DELISTING NOTICE |
Nov 8, 2022 |
Nov 8, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2022 |
Sep 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 14, 2022 |
Sep 14, 2022 |
|
| 8-K |
Open Document
|
Open Filing |
GSE INVESTOR PRESENTATION 09-2022 |
Sep 12, 2022 |
Sep 12, 2022 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 15, 2022 |
Jun 30, 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 15, 2022 |
Aug 15, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2022 |
Jun 30, 2022 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS INC - FORM 8-K FOR 2022 ANNUAL MEETING |
Jun 17, 2022 |
Jun 17, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2022 |
Jun 14, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2022 |
Jun 14, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2022 |
Jun 14, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2022 |
Jun 14, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2022 |
Jun 14, 2022 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA 14A PROXY SUPPLEMENT |
Jun 1, 2022 |
|
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K DHG MERGER |
Jun 1, 2022 |
Jun 1, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 26, 2022 |
May 24, 2022 |
|
| EFFECT |
Open Document
|
Open Filing |
|
May 25, 2022 |
|
333-264114 |
| CORRESP |
Open Document
|
Open Filing |
|
May 24, 2022 |
|
|
| CORRESP |
Open Document
|
Open Filing |
|
May 24, 2022 |
|
|
| S-3/A |
Open Document
|
Open Filing |
GSE FORM S-3/A |
May 24, 2022 |
|
333-264114 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 16, 2022 |
Mar 31, 2022 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 16, 2022 |
May 16, 2022 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS PROXY NOTICE |
May 2, 2022 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT 2022 |
May 2, 2022 |
May 2, 2022 |
001-14785 |
| UPLOAD |
Open Document
|
Open Filing |
|
Apr 11, 2022 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 6, 2022 |
Apr 5, 2022 |
|
| S-3 |
Open Document
|
Open Filing |
GSE SYSTEMS INC - FORM S-3 |
Apr 4, 2022 |
|
333-264114 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K INVESTOR PRESENTATION |
Apr 4, 2022 |
Apr 4, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 1, 2022 |
Mar 31, 2022 |
|
| 8-K/A |
Open Document
| Data
|
Open Filing |
8-K/A |
Apr 1, 2022 |
Mar 31, 2022 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Mar 31, 2022 |
Dec 31, 2021 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 31, 2022 |
Mar 31, 2022 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 22, 2022 |
Mar 18, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 22, 2022 |
Mar 18, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 16, 2022 |
Mar 15, 2022 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 11, 2022 |
Feb 28, 2022 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
Mar 1, 2022 |
Feb 28, 2022 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
Feb 28, 2022 |
Feb 28, 2022 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2022 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FORM SC 13G/A |
Feb 9, 2022 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2022 |
Dec 31, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 22, 2021 |
Nov 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 18, 2021 |
Nov 16, 2021 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Nov 15, 2021 |
Sep 30, 2021 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 15, 2021 |
Nov 15, 2021 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 4, 2021 |
Sep 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2021 |
Sep 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2021 |
Sep 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2021 |
Sep 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2021 |
Sep 30, 2021 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS IR PRESENTATION 9-20-2021 |
Sep 20, 2021 |
Sep 20, 2021 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 13, 2021 |
Sep 9, 2021 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Aug 16, 2021 |
Jun 30, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Aug 16, 2021 |
Aug 16, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Aug 6, 2021 |
Aug 4, 2021 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2021 |
Jun 30, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 25, 2021 |
Jun 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 18, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2021 |
Jun 14, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2021 |
Jun 14, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 16, 2021 |
Jun 14, 2021 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS, INC 2021 ANNUAL MEETING RESULTS |
Jun 15, 2021 |
Jun 15, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS INVESTOR PRESENTATION 05-19-2021 |
May 19, 2021 |
May 19, 2021 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
May 17, 2021 |
Mar 31, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
May 17, 2021 |
May 17, 2021 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 11, 2021 |
May 11, 2021 |
|
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS FORM DEFA14A - PROXY NOTICE |
Apr 30, 2021 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT 043021 |
Apr 30, 2021 |
Apr 30, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 50TH ANNIVERSARY |
Apr 14, 2021 |
Apr 14, 2021 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Apr 13, 2021 |
Dec 31, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
CITIZEN'S BANK NINTH AMENDMENT AND REAFFIRMATION AGREEMENT |
Apr 2, 2021 |
Apr 2, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Mar 31, 2021 |
Dec 31, 2020 |
001-14785 |
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K FY20 12B-25 NOTIFICATION OF LATE FILING |
Mar 31, 2021 |
Mar 31, 2021 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 15, 2021 |
Mar 12, 2021 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 15, 2021 |
Mar 12, 2021 |
|
| 8-K |
Open Document
|
Open Filing |
J. BARNIE BEASLEY DEPARTURE |
Feb 26, 2021 |
Feb 26, 2021 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP INVESTOR RELATIONS PRESENTATION |
Feb 24, 2021 |
Feb 23, 2021 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 16, 2021 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FORM SC 13G/A |
Feb 9, 2021 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 5, 2021 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2021 |
Dec 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2021 |
Dec 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 10, 2020 |
Dec 9, 2020 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2020 |
Nov 16, 2020 |
Sep 30, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 16, 2020 |
Sep 30, 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2020 |
Sep 30, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2020 |
Sep 30, 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
Sep 25, 2020 |
Sep 21, 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 11, 2020 |
Sep 10, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 11, 2020 |
Sep 11, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 10, 2020 |
Sep 9, 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - EIGHTH AMENDMENT CITIZENS AGREEMENT |
Sep 3, 2020 |
Aug 28, 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 2, 2020 |
Aug 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 1, 2020 |
Aug 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 1, 2020 |
Aug 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 1, 2020 |
Aug 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 1, 2020 |
Aug 31, 2020 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Aug 31, 2020 |
Aug 31, 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2020 ANNUAL SHAREHOLDERS MEETING RESULTS |
Aug 31, 2020 |
Aug 31, 2020 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2020 |
Aug 20, 2020 |
Jun 30, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Aug 19, 2020 |
Jun 30, 2020 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
FORM 12B-25 NOTIFICATION OF LATE FILING 2Q20 |
Aug 14, 2020 |
Aug 14, 2020 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE DEFINITIVE PROXY STATEMENT 07-24-2020 |
Jul 24, 2020 |
Jul 24, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 07-24-20 CHANGES IN REGISTRANT'S CERTIFYING ACCOUNTANT |
Jul 24, 2020 |
Jul 23, 2020 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2020 |
Jul 23, 2020 |
Mar 31, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Jul 22, 2020 |
Mar 31, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - GSE SYSTEMS INC 07-10-20 |
Jul 10, 2020 |
Jul 8, 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 7, 2020 |
Jun 30, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 7, 2020 |
Jun 30, 2020 |
|
| NT 10-Q |
Open Document
|
Open Filing |
FORM 12B-25 FORM 10-Q PERIOD ENDED MARCH 31, 2020 |
Jun 29, 2020 |
Jun 29, 2020 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
8-K |
Jun 16, 2020 |
Dec 31, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K NASDAQ MATTER CLOSED |
Jun 15, 2020 |
Jun 12, 2020 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2018 - 10-K |
Jun 11, 2020 |
Dec 31, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
Jun 5, 2020 |
Jun 1, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC FORM 8-K ITEM 8.01 OTHER EVENTS - FORM 10-K FILING |
May 29, 2020 |
May 29, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS DEPARTURE OF DIRECTORS & OTHER EVENTS |
May 22, 2020 |
May 19, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 10-Q EXTENSION RE COVID AND FULLER DEPARTURE |
May 15, 2020 |
May 12, 2020 |
001-14785 |
| NT 10-K |
Open Document
|
Open Filing |
NT 10-K FY19 12B-25 NOTIFICATION OF LATE FILING |
May 14, 2020 |
May 14, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS INC PPP LOAN 04-30-2020 |
Apr 30, 2020 |
Apr 24, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - GSE SYSTEMS INC. FORM DEF14A EXTENSION |
Apr 29, 2020 |
Apr 29, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K CITIZENS BANK SEVENTH AMENDMENT AND REAFFIRMATION AGREEMENT |
Apr 17, 2020 |
Apr 17, 2020 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A GSE SYSTEMS INC 10-K FILING DATE |
Apr 15, 2020 |
Mar 30, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Apr 14, 2020 |
Dec 31, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2020 |
Mar 31, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2020 |
Mar 31, 2020 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 10-K EXTENSION RE COVID-19 |
Mar 30, 2020 |
Mar 30, 2020 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G HOLDINGS REPORT AMENDMENT |
Feb 14, 2020 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2020 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 13, 2020 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
FORM SC 13G |
Feb 11, 2020 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
CITIZENS BANK AGREEMENT |
Jan 8, 2020 |
Jan 7, 2020 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K SETTLEMENT AND RELEASE AGREEMENT |
Jan 6, 2020 |
Jan 6, 2020 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Dec 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Dec 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Dec 31, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K O'CONNOR ELECTED TO GSE BOARD |
Dec 20, 2019 |
Dec 17, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 19, 2019 |
Dec 17, 2019 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Dec 19, 2019 |
Dec 17, 2019 |
|
| 3/A |
Open Document
|
Open Filing |
AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES |
Dec 11, 2019 |
Nov 19, 2019 |
|
| 10-Q/A |
Open Document
|
Open Filing |
10-Q/A |
Dec 10, 2019 |
Sep 30, 2019 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES |
Nov 29, 2019 |
Nov 19, 2019 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q3 2019 |
Nov 19, 2019 |
Sep 30, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 19, 2019 |
Nov 19, 2019 |
001-14785 |
| NT 10-Q |
Open Document
|
Open Filing |
NT 10-Q |
Nov 14, 2019 |
Nov 13, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2019 |
Sep 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2019 |
Sep 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2019 |
Sep 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2019 |
Sep 30, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
GVP INVESTOR PRESENTATION SEPTEMBER 24, 2019 |
Sep 24, 2019 |
Sep 24, 2019 |
001-14785 |
| RW |
Open Document
|
Open Filing |
GSE SYSTEMS-WITHDRAWAL LETTER FOR S-3 |
Sep 19, 2019 |
|
333-233286 |
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS, REGULATION FD DISCLOSURE |
Sep 19, 2019 |
Sep 18, 2019 |
001-14785 |
| S-3 |
Open Document
|
Open Filing |
S-3 |
Aug 15, 2019 |
|
333-233286 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2019 |
Aug 14, 2019 |
Jun 30, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q2 2019 - EARNINGS RELEASE |
Aug 14, 2019 |
Jun 30, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2019 |
Jun 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2019 |
Jun 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2019 |
Jun 30, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2019 |
Jun 30, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
CITIZEN'S BANK AMENDMENT AND REAFFIRMATION AGREEMENT |
Jul 1, 2019 |
Jun 28, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 12, 2019 |
Jun 11, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 12, 2019 |
Jun 11, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 12, 2019 |
Jun 11, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 12, 2019 |
Jun 11, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K RESULTS GSE SYSTEMS 2019 ANNUAL SHAREHOLDERS MEETING |
Jun 11, 2019 |
Jun 11, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 7, 2019 |
Jun 5, 2019 |
|
| DEFA14A |
Open Document
|
Open Filing |
GSE DEFINITIVE ADDITIONAL MATERIALS FOR PROXY STATEMENT 2019-05-31 |
May 31, 2019 |
|
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 22, 2019 |
May 20, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 17, 2019 |
May 15, 2019 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2019 |
May 15, 2019 |
Mar 31, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q1 2019 EARNINGS RELEASE |
May 15, 2019 |
Mar 31, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 10, 2019 |
May 8, 2019 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
May 8, 2019 |
|
005-45371 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A - AMENDMENTS TO 8-K FILED ON FEBRUARY 19, 2019 |
May 1, 2019 |
Feb 19, 2019 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2019 PROXY NOTICE |
Apr 30, 2019 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2019 PROXY STATEMENT |
Apr 30, 2019 |
Apr 30, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2019 |
Mar 31, 2019 |
|
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2018 - 10-K |
Mar 28, 2019 |
Dec 31, 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 20, 2019 |
Mar 15, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
GVP - CORPORATE PRESENTATION - MARCH 2019 |
Mar 18, 2019 |
Mar 18, 2019 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K: EARNINGS RELEASE - FY 2018 |
Mar 14, 2019 |
Dec 31, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS ACQUIRES DP ENGINEERING |
Feb 19, 2019 |
Feb 19, 2019 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 14, 2019 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 14, 2019 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G HOLDINGS REPORT AMENDMENT |
Feb 14, 2019 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 8, 2019 |
Feb 7, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 8, 2019 |
Feb 7, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 8, 2019 |
Feb 7, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 8, 2019 |
Feb 7, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 11, 2019 |
Jan 11, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 11, 2019 |
Jan 11, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 11, 2019 |
Jan 11, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
AMENDMENTS TO CERTAIN AGREEMENTS WITH EXECUTIVE OFFICERS |
Jan 11, 2019 |
Jan 11, 2019 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Dec 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Jan 1, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Dec 31, 2018 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q3 2018 |
Nov 14, 2018 |
Sep 30, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q3 2018 - EARNINGS RELEASE |
Nov 14, 2018 |
Sep 30, 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2018 |
Sep 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 14, 2018 |
Sep 13, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
GVP - CORPORATE PRESENTATION - AUGUST 2018 |
Aug 28, 2018 |
Aug 27, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GSE SYSTEMS 2Q18 EARNINGS CALL TRANSCRIPT |
Aug 17, 2018 |
Aug 17, 2018 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q2 2018 |
Aug 14, 2018 |
Jun 30, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q2 2018 - EARNINGS RELEASE |
Aug 14, 2018 |
Jun 30, 2018 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A - AMENDMENTS TO 8-K FILED ON MAY 14, 2018 |
Jul 24, 2018 |
May 11, 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2018 |
Jun 30, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS INC 2018 ANNUAL MEETING RESULTS, AMENDMENTS TO ARTICLES OF INC, IR P |
Jun 15, 2018 |
Jun 12, 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2018 |
Jun 12, 2018 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jun 13, 2018 |
Jun 12, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2018 |
Jun 12, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2018 |
Jun 12, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2018 |
Jun 12, 2018 |
|
| DEFA14A |
Open Document
|
Open Filing |
2018 PROXY CARD |
Jun 11, 2018 |
|
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q Q1 2018 |
May 15, 2018 |
Mar 31, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K - Q1 2018 EARNINGS RELEASE |
May 15, 2018 |
Mar 31, 2018 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. TRUE NORTH AND CREDIT AGREEMENTS |
May 14, 2018 |
May 14, 2018 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2018 PROXY NOTICE |
Apr 30, 2018 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. 2018 PROXY STATEMENT |
Apr 30, 2018 |
Apr 30, 2018 |
001-14785 |
| CERT |
Open Document
|
Open Filing |
|
Apr 27, 2018 |
|
001-14785 |
| 25 |
Open Document
|
Open Filing |
NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(B) |
Apr 27, 2018 |
|
001-14785 |
| 8-A12B |
Open Document
|
Open Filing |
FORM 8-A GSE SYSTEMS, INC. NASDAQ REGISTRATION 12(B) |
Apr 27, 2018 |
|
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. TO BEGIN TRADING ON NASDAQ CAPITAL MARKET |
Apr 19, 2018 |
Apr 19, 2018 |
001-14785 |
| PRE 14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. PRELIMINARY PROXY STATEMENT |
Apr 16, 2018 |
Jun 12, 2018 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2018 |
Mar 31, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K QUINN AND LEWIS DEPARTURE |
Mar 23, 2018 |
Mar 23, 2018 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 23, 2018 |
Mar 20, 2018 |
|
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2017 - 10-K |
Mar 16, 2018 |
Dec 31, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K: EARNINGS RELEASE - FY 2017 |
Mar 15, 2018 |
Dec 31, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2018 |
Feb 28, 2018 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2018 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
13G/A |
Feb 13, 2018 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 13, 2018 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Dec 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Jan 1, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2018 |
Jan 1, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
INTERNATIONAL RESTRUCTURING |
Dec 27, 2017 |
Dec 27, 2017 |
001-14785 |
| 8-K/A |
Open Document
|
Open Filing |
|
Nov 30, 2017 |
Sep 20, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP UPDATED INVESTOR PRESENTATION DATED NOVEMBER 29, 2017 |
Nov 29, 2017 |
Nov 29, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 16, 2017 |
Nov 15, 2017 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
Nov 14, 2017 |
Sep 30, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
EARNINGS RELEASE - Q3 2017 |
Nov 14, 2017 |
Sep 30, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2017 |
Sep 30, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT |
Sep 20, 2017 |
Sep 20, 2017 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
Aug 14, 2017 |
Jun 30, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
EARNINGS RELEASE - Q2 2017 |
Aug 14, 2017 |
Jun 30, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2017 |
Jun 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2017 |
Jun 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2017 |
Jun 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2017 |
Jun 30, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2017 |
Jun 30, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
GSE FORM 8-K RESULTS OF ANNUAL MEETING 06-12-2017 |
Jun 16, 2017 |
Jun 12, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 14, 2017 |
Jun 12, 2017 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jun 14, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 14, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 14, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2017 |
Jun 12, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 9, 2017 |
Jun 7, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 7, 2017 |
Jun 7, 2017 |
|
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q17 |
May 15, 2017 |
Mar 31, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 1Q17 RESULTS OF OPERATIONS |
May 15, 2017 |
May 15, 2017 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS, INC 2017 PROXY NOTICE |
Apr 25, 2017 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2017 PROXY STATEMENT |
Apr 25, 2017 |
Apr 21, 2017 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 4, 2017 |
Mar 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 4, 2017 |
Mar 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 4, 2017 |
Mar 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 4, 2017 |
Mar 31, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 4, 2017 |
Mar 31, 2017 |
|
| SC 13G/A |
Open Document
|
Open Filing |
AMENDMENT NO. 6 TO SCHEDULE 13G |
Mar 31, 2017 |
|
005-45371 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2015 - 10-K |
Mar 28, 2017 |
Dec 31, 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP INVESTOR PRESENTATION MARCH 14, 2017 |
Mar 13, 2017 |
Mar 13, 2017 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K FY16 EARNINGS |
Mar 9, 2017 |
Mar 9, 2017 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 27, 2017 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
|
Feb 14, 2017 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 10, 2017 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 25, 2017 |
Jan 23, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Dec 31, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS NEW CREDIT FACILITY FORM 8-K |
Jan 4, 2017 |
Jan 4, 2017 |
001-14785 |
| UPLOAD |
Open Document
|
Open Filing |
|
Jan 3, 2017 |
|
|
| CORRESP |
Open Document
|
Open Filing |
|
Dec 22, 2016 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 14, 2016 |
Dec 12, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS, INC. FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION |
Dec 14, 2016 |
Dec 8, 2016 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
Dec 13, 2016 |
Dec 13, 2016 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
Dec 12, 2016 |
Dec 8, 2016 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
Dec 12, 2016 |
Dec 8, 2016 |
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| UPLOAD |
Open Document
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Open Filing |
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Dec 8, 2016 |
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| 8-K |
Open Document
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Open Filing |
GVP FORM 8-K 3Q16 FINANCIAL RESULTS PRESS RELEASE |
Nov 16, 2016 |
Nov 16, 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
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Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
Nov 14, 2016 |
Sep 30, 2016 |
001-14785 |
| SC 13G |
Open Document
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Open Filing |
SCHEDULE 13G |
Oct 27, 2016 |
|
005-45371 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
Oct 4, 2016 |
Sep 30, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 21, 2016 |
Sep 19, 2016 |
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| 3 |
Open Document
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Open Filing |
FORM 3 |
Sep 21, 2016 |
Sep 14, 2016 |
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| 4/A |
Open Document
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Open Filing |
FORM 4/A |
Sep 21, 2016 |
Sep 2, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Sep 20, 2016 |
Sep 2, 2016 |
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| 8-K |
Open Document
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Open Filing |
AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR. |
Sep 16, 2016 |
Sep 16, 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP INVESTOR PRESENTATION SEPTEMBER 15, 2016 |
Sep 15, 2016 |
Sep 13, 2016 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF CERTAIN DIRECTORS OR OFFICERS |
Sep 15, 2016 |
Sep 14, 2016 |
001-14785 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Sep 2, 2016 |
Jun 30, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K SORRELLS AGREEMENT |
Aug 19, 2016 |
Aug 17, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 17, 2016 |
Aug 15, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K 2Q16 EARNINGS |
Aug 15, 2016 |
Aug 15, 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
Aug 15, 2016 |
Jun 30, 2016 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Aug 8, 2016 |
Aug 8, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF CERTAIN DIRECTORS OR OFFICERS |
Aug 8, 2016 |
Aug 8, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 5, 2016 |
Jul 1, 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jul 5, 2016 |
Jul 1, 2016 |
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| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT O |
Jul 5, 2016 |
Jul 5, 2016 |
001-14785 |
| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
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| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
|
| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
Jul 1, 2016 |
Jul 1, 2016 |
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| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT O |
Jul 1, 2016 |
Jul 1, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 30, 2016 |
Jun 30, 2016 |
|
| S-8 |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 REGISTRATION STATEMENT ADDITIONAL SHARES FOR 1995 PLAN |
Jun 24, 2016 |
|
333-212241 |
| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS JOINS RUSSELL MICROCAP INDEX |
Jun 16, 2016 |
Jun 16, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 15, 2016 |
Jun 14, 2016 |
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| 8-K |
Open Document
|
Open Filing |
FORM 8-K RESULTS OF GSE SYSTEMS, INC. 2016 ANNUAL SHAREHOLDERS MEETING |
Jun 10, 2016 |
Jun 7, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 1, 2016 |
May 27, 2016 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
May 27, 2016 |
May 25, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 27, 2016 |
Mar 31, 2016 |
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| DEFA14A |
Open Document
|
Open Filing |
SUPPLEMENT TO THE PROXY STATEMENT FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE H |
May 27, 2016 |
|
001-14785 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
May 27, 2016 |
May 27, 2016 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
May 27, 2016 |
May 23, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 26, 2016 |
May 25, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 26, 2016 |
May 24, 2016 |
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| 4 |
Open Document
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Open Filing |
FORM 4 |
May 25, 2016 |
May 23, 2016 |
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| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 23, 2016 |
May 20, 2016 |
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| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS FORM 8-K 1Q16 RESULTS OF OPERATIONS |
May 16, 2016 |
May 16, 2016 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q16 |
May 16, 2016 |
Mar 31, 2016 |
001-14785 |
| DEFA14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 DEFA14A |
Apr 27, 2016 |
|
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2016 PROXY STATEMENT |
Apr 27, 2016 |
Dec 31, 2015 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2015 - 10-K |
Mar 25, 2016 |
Dec 31, 2015 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 24, 2016 |
Mar 22, 2016 |
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| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 22, 2016 |
Mar 21, 2016 |
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| 3 |
Open Document
|
Open Filing |
FORM 3 |
Mar 22, 2016 |
Mar 21, 2016 |
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| 8-K |
Open Document
| Data
|
Open Filing |
GVP FORM 8-K PRESS RELEASE |
Mar 22, 2016 |
Mar 22, 2016 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
GVP FORM 8-K CONTRACT PRESS RELEASE |
Mar 17, 2016 |
Mar 17, 2016 |
001-14785 |
| 8-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. 12-21-2015 FINANCIAL RESULTS PRESS RELEASE |
Mar 15, 2016 |
Mar 15, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2016 |
Mar 1, 2016 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A NO.5 |
Feb 10, 2016 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2016 |
Feb 1, 2016 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Feb 5, 2016 |
Feb 1, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
GVP LOUDERMILK - FORM 8-K 012816 |
Jan 28, 2016 |
Jan 28, 2016 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 26, 2016 |
Jan 22, 2016 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SCHEDULE 13D AMENDMENT NO. 1 |
Jan 26, 2016 |
|
005-45371 |
| SC 13D |
Open Document
|
Open Filing |
SC 13D |
Dec 17, 2015 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 16, 2015 |
Dec 14, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 16, 2015 |
Dec 14, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 14, 2015 |
Dec 11, 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Dec 14, 2015 |
Dec 2, 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Dec 14, 2015 |
Dec 2, 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Dec 14, 2015 |
Nov 20, 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Dec 14, 2015 |
Nov 20, 2015 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Dec 14, 2015 |
Nov 25, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 4, 2015 |
Dec 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 4, 2015 |
Dec 2, 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Dec 4, 2015 |
Jun 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 3, 2015 |
Dec 1, 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Dec 3, 2015 |
Dec 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 30, 2015 |
Nov 25, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 24, 2015 |
Nov 20, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 24, 2015 |
Nov 20, 2015 |
|
| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
Nov 24, 2015 |
|
005-45371 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 19, 2015 |
Nov 17, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 3Q15 FINANCIAL RESULTS |
Nov 12, 2015 |
Nov 12, 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 3Q15 |
Nov 12, 2015 |
Sep 30, 2015 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 6, 2015 |
Oct 30, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 6, 2015 |
Oct 30, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
Nov 4, 2015 |
Nov 4, 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GVP FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS |
Oct 1, 2015 |
Oct 1, 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K GVP RESTRUCTURING |
Sep 28, 2015 |
Sep 22, 2015 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 25, 2015 |
Aug 25, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
GVP SORRELLS - FORM 8-K 082515 |
Aug 25, 2015 |
Aug 25, 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q15 FINANCIAL RESULTS |
Aug 13, 2015 |
Aug 13, 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q15 |
Aug 13, 2015 |
Jun 30, 2015 |
001-14785 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Aug 6, 2015 |
Aug 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 5, 2015 |
Aug 3, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
FORM 8-K APPOINTMENT OF KYLE LOUDERMILK |
Jul 31, 2015 |
Jul 31, 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE 060315 FORM 8-K RESULTS OF ANNUAL SHAREHOLDERS MEETING |
Jun 8, 2015 |
Jun 3, 2015 |
001-14785 |
| SC 13D/A |
Open Document
|
Open Filing |
SC 13D/A |
May 27, 2015 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
|
May 14, 2015 |
May 14, 2015 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q15 |
May 14, 2015 |
Mar 31, 2015 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2015 PROXY STATEMENT |
Apr 22, 2015 |
Dec 31, 2014 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
|
Apr 13, 2015 |
Apr 13, 2015 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE 12-31-2014 EARNINGS AND EMPLOYMENT AGREEMENTS |
Mar 19, 2015 |
Mar 18, 2015 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS, INC. - 2014 - 10-K |
Mar 19, 2015 |
Dec 31, 2014 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2015 |
Mar 2, 2015 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G AMENDMENT NO. 4 |
Feb 17, 2015 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 9, 2015 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
AMENDMENTS TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR |
Feb 4, 2015 |
Feb 4, 2015 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
NONE |
Jan 30, 2015 |
|
005-45371 |
| 8-K/A |
Open Document
|
Open Filing |
FORM 8-K/A |
Jan 29, 2015 |
Nov 14, 2014 |
001-14785 |
| SC 13G/A |
Open Document
|
Open Filing |
MARK LEONARD SCHEDULE 13G AMENDMENT NO 1 |
Jan 6, 2015 |
|
005-45371 |
| SC 13D |
Open Document
|
Open Filing |
SC 13D |
Dec 30, 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Dec 3, 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 3Q14 |
Nov 17, 2014 |
Nov 14, 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q14 |
Nov 14, 2014 |
Sep 30, 2014 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G - MARK LEONARD |
Aug 18, 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K 2Q14 RESULTS PRESS RELEASE |
Aug 15, 2014 |
Aug 15, 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 2Q14 |
Aug 14, 2014 |
Jun 30, 2014 |
001-14785 |
| SC 13G |
Open Document
|
Open Filing |
SC 13G |
Jul 23, 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
JULY 11, 2014 |
Jul 11, 2014 |
|
005-45371 |
| SC 13G |
Open Document
|
Open Filing |
NONE |
Jul 11, 2014 |
|
005-45371 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K 1Q14 PRESS RELEASE |
May 15, 2014 |
Mar 31, 2014 |
001-14785 |
| 10-Q |
Open Document
| Data
|
Open Filing |
GSE SYSTEMS INC FORM 10-Q 1Q14 |
May 15, 2014 |
Mar 31, 2014 |
001-14785 |
| DEF 14A |
Open Document
|
Open Filing |
GSE SYSTEMS 2014 PROXY STATEMENT |
Apr 29, 2014 |
Dec 31, 2013 |
001-14785 |
| 8-K |
Open Document
|
Open Filing |
GSE SYSTEMS FORM 8-K |
Mar 26, 2014 |
Mar 26, 2014 |
001-14785 |
| 10-K |
Open Document
| Data
|
Open Filing |
|
Mar 26, 2014 |
Dec 31, 2013 |
001-14785 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2014 |
Mar 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2014 |
Mar 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2014 |
Mar 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2014 |
Mar 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2014 |
Mar 3, 2014 |
|
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G AMENDMENT NO. 3 |
Feb 14, 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FORM SC 13G/A |
Feb 12, 2014 |
|
005-45371 |
| SC 13G/A |
Open Document
|
Open Filing |
FEBRUARY 4, 2014 |
Feb 6, 2014 |
|
005-45371 |