Filer Snapshot

GSE SYSTEMS INC SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0000944480.

Entity Type

Company

Total Filings

1,306

Latest Filing

14 Feb 2025

Industry

Services Prepackaged Software

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Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 14 Feb 2025 for CIK 0000944480.

View Source Filing
Industry
Services Prepackaged Software (Office Of Technology)
Business address
6940 Columbia Gateway Drive, Suite 470, Columbia, MD, 21046-3308
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • GSE SYSTEMS INC is an SEC filer tracked under CIK 0000944480.
  • 1,306 filings are listed on this profile.
  • Common form coverage includes SCHEDULE 13G/A, SC 13G/A, EFFECT and more.

What Changed

  • Latest filing: SCHEDULE 13G/A filed on 14 Feb 2025.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 14 Feb 2025 for CIK 0000944480.

View Source Filing

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A newly filed SCHEDULE 13G/A can change the filing history, ownership context, or next research path for GSE SYSTEMS INC.

Latest source-backed update
SCHEDULE 13G/A filed 14 Feb 2025
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  • Latest filing on record: SCHEDULE 13G/A filed 14 Feb 2025.
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Latest update

What changed recently for GSE SYSTEMS INC

New fact period available

Latest financial period: Q2 2024. Open the source-backed page to inspect the fresh filing or facts context.

Update date

14 Aug 2024

Page type

Company facts

Latest period

Q2 2024

SEC-backed company facts were refreshed from filings filed on 14 Aug 2024.

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Benchmark Context

Benchmark context for this company

GSE SYSTEMS INC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

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  • Latest company facts filing date: 14 Aug 2024.
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Filer Overview

GSE SYSTEMS INC has filed 1,306 SEC EDGAR filings since 14 Feb 1996. Common forms include SCHEDULE 13G/A, SC 13G/A, EFFECT, 15-12G and more.

Services Prepackaged Software Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for GSE SYSTEMS INC with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Nov 2024 005-45371
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Nov 2024 333-276128
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Nov 2024 333-264114
15-12G Open 15-12G document View SEC filing for 15-12G 15-12G 13 Nov 2024 001-14785
POS AM Open POS AM document View SEC filing for POS AM POS AM 08 Nov 2024 333-276128
POS AM Open POS AM document View SEC filing for POS AM POS AM 08 Nov 2024 333-264114
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 08 Nov 2024 333-212241
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 08 Nov 2024 333-183427
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 08 Nov 2024 333-150249
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 08 Nov 2024 333-138702
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 08 Nov 2024 333-08805
25-NSE Open 25-NSE document View SEC filing for 25-NSE 01 Nov 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2024 31 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2024 29 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Oct 2024 25 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A 23 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Oct 2024 23 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A 22 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Oct 2024 22 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A 21 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Oct 2024 18 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 18 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Oct 2024 14 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 16 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Oct 2024 16 Oct 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 15 Oct 2024 001-14785
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 11 Oct 2024 005-45371
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEF14A 08 Oct 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Oct 2024 02 Oct 2024 001-14785
4 Open 4 document View SEC filing for 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 02 Oct 2024 30 Sep 2024
4 Open 4 document View SEC filing for 4 02 Oct 2024 30 Sep 2024
DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 18 Sep 2024 001-14785
DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 16 Sep 2024 001-14785
PREM14A Open PREM14A document View SEC filing for PREM14A PREM14A 04 Sep 2024 04 Sep 2024 001-14785
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 14 Aug 2024 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 TO SCHEDULE 13G 09 Aug 2024 005-45371
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Aug 2024 07 Aug 2024 001-14785
4 Open 4 document View SEC filing for 4 05 Aug 2024 22 Jul 2024
8-K Open 8-K document View SEC filing for 8-K RAVI KHANNA EMPLOYMENT AGREEMENT 26 Jul 2024 22 Jul 2024 001-14785
144 Open 144 document View SEC filing for 144 03 Jul 2024 001-14785
4 Open 4 document View SEC filing for 4 02 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 02 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 02 Jul 2024 30 Jun 2024
4 Open 4 document View SEC filing for 4 02 Jul 2024 30 Jun 2024
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE SYSTEMS 2024 ANNUAL MEETING RESULTS 02 Jul 2024 01 Jul 2024 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A GSE SYSTEMS, INC 2024 PROXY CARD 29 May 2024 001-14785
DEF 14A Open DEF 14A document View SEC filing for DEF 14A GSE SYSTEMS, INC. 2024 DEFINITIVE PROXY 24 May 2024 01 Jul 2024 001-14785
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2024 15 May 2024 001-14785
8-K Open 8-K document View SEC filing for 8-K 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 PRE 14A document View SEC filing for PRE 14A GSE PRELIMINARY PROXY STATEMENT 13 May 2024 13 May 2024 001-14785
SC 13D Open SC 13D document View SEC filing for SC 13D LOUDERMILK SCHEDULE 13D 06 May 2024 005-45371
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS, INC. FORM 8-K 30 Apr 2024 24 Apr 2024 001-14785
10-K/A Open 10-K/A document View SEC filing for 10-K/A GSE SYSTEMS FORM 10-K/A 04-29-2024 29 Apr 2024 29 Apr 2024 001-14785
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 05 Apr 2024 005-45371
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 02 Apr 2024 31 Dec 2023 001-14785
4 Open 4 document View SEC filing for 4 02 Apr 2024 31 Mar 2024
4 Open 4 document View SEC filing for 4 02 Apr 2024 31 Mar 2024
4 Open 4 document View SEC filing for 4 02 Apr 2024 31 Mar 2024
4 Open 4 document View SEC filing for 4 02 Apr 2024 31 Mar 2024
4 Open 4 document View SEC filing for 4 02 Apr 2024 31 Mar 2024
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 02 Apr 2024 31 Dec 2023 001-14785
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 02 Apr 2024 31 Dec 2023 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Apr 2024 01 Apr 2024 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2024 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2024 005-45371
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS, INC. - FORM 8-K LIND NOTE AMENDMENTS FEB. 2024 13 Feb 2024 12 Feb 2024 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 09 Feb 2024 005-45371
4 Open 4 document View SEC filing for 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 03 Jan 2024 31 Dec 2023
4 Open 4 document View SEC filing for 4 03 Jan 2024 31 Dec 2023
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Dec 2023 333-276128
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Dec 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Dec 2023
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 20 Dec 2023 333-276128
S-3 Open S-3 document View SEC filing for S-3 S-3 19 Dec 2023 333-276128
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS, INC. UNREGISTERED SALE OF SECURITIES 18 Dec 2023 18 Dec 2023 001-14785
SC 13G Open SC 13G document View SEC filing for SC 13G 12 Dec 2023 005-45371
8-K Open 8-K document View SEC filing for 8-K GSE FORM 8-K ITEM 3.02. UNREGISTERED SALE OF SECURITIES. 06 Dec 2023 06 Dec 2023 001-14785
RW Open RW document View SEC filing for RW GSE SYSTEMS, INC. - REQUEST FOR WITHDRAWAL - FORM RW 01 Dec 2023 333-275791
S-3 Open S-3 document View SEC filing for S-3 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT NO. 333-264114 30 Nov 2023 333-275791
4 Open 4 document View SEC filing for 4 27 Nov 2023 20 Nov 2023
8-K Open 8-K document View SEC filing for 8-K NASDAQ STAFF DETERMINATION - REQUIREMENT CURED 17 Nov 2023 17 Nov 2023 001-14785
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2023 14 Nov 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K NASDAQ DELISTING NOTICE AND APPEAL 03 Nov 2023 03 Nov 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K REVERSE STOCK SPLIT 26 Oct 2023 25 Oct 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K 06 Oct 2023 06 Oct 2023 001-14785
4 Open 4 document View SEC filing for 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 03 Oct 2023 30 Sep 2023
4 Open 4 document View SEC filing for 4 03 Oct 2023 30 Sep 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Aug 2023 30 Jun 2023 001-14785
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 15 Aug 2023 30 Jun 2023 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2023 14 Aug 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K GSE LOUDERMILK AGREEMENT 28 Jul 2023 28 Jul 2023 001-14785
4 Open 4 document View SEC filing for 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 05 Jul 2023 30 Jun 2023
4 Open 4 document View SEC filing for 4 05 Jul 2023 30 Jun 2023
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE LIND 2003 TRANSACTION 26 Jun 2023 26 Jun 2023 001-14785
4 Open 4 document View SEC filing for 4 14 Jun 2023 12 Jun 2023
4 Open 4 document View SEC filing for 4 14 Jun 2023 12 Jun 2023
4 Open 4 document View SEC filing for 4 14 Jun 2023 12 Jun 2023
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS, INC. 2023 ANNUAL MEETING RESULTS 13 Jun 2023 12 Jun 2023 001-14785
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2023 31 Mar 2023 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2023 15 May 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS, INC FORM 8-K DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS 08 May 2023 07 May 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS FORM 8-K NASDAQ EXTENSION GRANT 04 May 2023 04 May 2023 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A GSE SYSTEMS, INC. 2023 ANNUAL MEETING NOTICE 02 May 2023 001-14785
DEF 14A Open DEF 14A document View SEC filing for DEF 14A GSE DEFINITIVE PROXY STATEMENT 02 May 2023 02 May 2023 001-14785
8-K Open 8-K document View SEC filing for 8-K GVP FORM 8-K (NEW ORDERS) 25 Apr 2023 25 Apr 2023 001-14785
PRE 14A Open PRE 14A document View SEC filing for PRE 14A GSE PRELIMINARY PROXY STATEMENT 2023 17 Apr 2023 17 Apr 2023 001-14785
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Apr 2023 31 Dec 2022 001-14785
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 07 Apr 2023 05 Apr 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
4 Open 4 document View SEC filing for 4 04 Apr 2023 31 Mar 2023
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 03 Apr 2023 31 Dec 2022 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Mar 2023 30 Mar 2023 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Mar 2023 17 Mar 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2023 005-45371
8-K Open 8-K document View SEC filing for 8-K FORM 8-K RENEWED 5-YEAR CONTRACT 18 Jan 2023 18 Jan 2023 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 31 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2022 14 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 28 Nov 2022 23 Nov 2022
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2022 18 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2022 30 Sep 2022 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2022 14 Nov 2022 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE SYSTEMS, INC DELISTING NOTICE 08 Nov 2022 08 Nov 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2022 30 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 14 Sep 2022 14 Sep 2022
8-K Open 8-K document View SEC filing for 8-K GSE INVESTOR PRESENTATION 09-2022 12 Sep 2022 12 Sep 2022 001-14785
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Aug 2022 30 Jun 2022 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Aug 2022 15 Aug 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2022 30 Jun 2022
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS INC - FORM 8-K FOR 2022 ANNUAL MEETING 17 Jun 2022 17 Jun 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2022 14 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2022 14 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2022 14 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2022 14 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2022 14 Jun 2022
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A PROXY SUPPLEMENT 01 Jun 2022 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DHG MERGER 01 Jun 2022 01 Jun 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 26 May 2022 24 May 2022
EFFECT Open EFFECT document View SEC filing for EFFECT 25 May 2022 333-264114
CORRESP Open CORRESP document View SEC filing for CORRESP 24 May 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 24 May 2022
S-3/A Open S-3/A document View SEC filing for S-3/A GSE FORM S-3/A 24 May 2022 333-264114
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 May 2022 31 Mar 2022 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 May 2022 16 May 2022 001-14785
DEFA14A Open DEFA14A document View SEC filing for DEFA14A GSE SYSTEMS PROXY NOTICE 02 May 2022 001-14785
DEF 14A Open DEF 14A document View SEC filing for DEF 14A GSE DEFINITIVE PROXY STATEMENT 2022 02 May 2022 02 May 2022 001-14785
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022
S-3 Open S-3 document View SEC filing for S-3 GSE SYSTEMS INC - FORM S-3 04 Apr 2022 333-264114
8-K Open 8-K document View SEC filing for 8-K FORM 8-K INVESTOR PRESENTATION 04 Apr 2022 04 Apr 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 01 Apr 2022 31 Mar 2022 001-14785
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2022 31 Dec 2021 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2022 31 Mar 2022 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2022 18 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2022 18 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2022 15 Mar 2022
3 Open 3 document View SEC filing for 3 FORM 3 11 Mar 2022 28 Feb 2022
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Mar 2022 28 Feb 2022 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Feb 2022 28 Feb 2022 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2022 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 09 Feb 2022 005-45371
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2022 31 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2021 18 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2021 16 Nov 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Nov 2021 30 Sep 2021 001-14785
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2021 15 Nov 2021 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2021 30 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2021 30 Sep 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE SYSTEMS IR PRESENTATION 9-20-2021 20 Sep 2021 20 Sep 2021 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 13 Sep 2021 09 Sep 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Aug 2021 30 Jun 2021 001-14785
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Aug 2021 16 Aug 2021 001-14785
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Aug 2021 04 Aug 2021 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2021 30 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2021 30 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2021 30 Jun 2021
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 2Q11 09 Aug 2011 30 Jun 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 2Q11 FINANCIAL RESULTS 09 Aug 2011 30 Jun 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K SUBMISSION OF MATTERS TO VOTE 16 Jun 2011 16 Jun 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K LONG TERM INCENTIVE PLAN 01 Jun 2011 01 Jun 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K GSE FORM 8-K 1Q11 PRESS RELEASE 10 May 2011 31 Mar 2011 001-14785
10-Q Open 10-Q document View SEC filing for 10-Q GSE FORM 10-Q 1Q11 10 May 2011 31 Mar 2011 001-14785
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 05 May 2011 005-45371
DEF 14A Open DEF 14A document View SEC filing for DEF 14A GSE 2011 PROXY STATEMENT 29 Apr 2011 29 Apr 2011 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 29 Apr 2011 28 Oct 2010
8-K/A Open 8-K/A document View SEC filing for 8-K/A FORM 8-K/A ENVISION FINANCIALS 21 Mar 2011 21 Mar 2011 001-14785
8-A12B Open 8-A12B document View SEC filing for 8-A12B SECURITIES REGISTRATION 21 Mar 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K STOCKHOLDERS RIGHTS 21 Mar 2011 21 Mar 2011 001-14785
8-K Open 8-K document View SEC filing for 8-K GSE FY10 EARNINGS PRESS RELEASE 14 Mar 2011 14 Mar 2011 001-14785
10-K Open 10-K document View SEC filing for 10-K GSE FORM 10K FY10 14 Mar 2011 14 Mar 2011 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2011 005-45371
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 11 Feb 2011 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2011 005-45371
3 Open 3 document View SEC filing for 3 FORM 3 10 Feb 2011 03 Feb 2011
8-K Open 8-K document View SEC filing for 8-K GSE FORM 8-K EMPLOYMENT AGREEMENTS 09 Feb 2011 09 Feb 2011 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2011 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A BROWN ADVISORY HOLDINGS INCORPORATED 11 Jan 2011 005-45371
8-K Open 8-K document View SEC filing for 8-K GSE SYSTEMS FORM 8-K ENVISION SYSTEMS 10 Jan 2011 10 Jan 2011 001-14785
SC 13G Open SC 13G document View SEC filing for SC 13G GSE 123110 10 Jan 2011 005-45371
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE SYSTEMS 3Q10 09 Nov 2010 08 Nov 2010 001-14785
10-Q Open 10-Q document View SEC filing for 10-Q GSE SYSTEMS FORM 10-Q 3Q10 09 Nov 2010 09 Nov 2010 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 01 Nov 2010 28 Oct 2010
4 Open 4 document View SEC filing for 4 FORM 4 01 Nov 2010 28 Oct 2010
4 Open 4 document View SEC filing for 4 FORM 4 01 Nov 2010 28 Oct 2010
4 Open 4 document View SEC filing for 4 FORM 4 01 Nov 2010 28 Oct 2010
4 Open 4 document View SEC filing for 4 FORM 4 01 Nov 2010 28 Oct 2010
8-K Open 8-K document View SEC filing for 8-K GSE ANNOUNCES EBERLE CEO 01 Nov 2010 01 Nov 2010 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Aug 2010 005-45371
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 2Q10 PRESS RELEASE 09 Aug 2010 09 Aug 2010 001-14785
10-Q Open 10-Q document View SEC filing for 10-Q GSE SYSTEMS FORM 10-Q 2Q10 09 Aug 2010 04 Aug 2010 001-14785
8-K/A Open 8-K/A document View SEC filing for 8-K/A FORM 8-K/A TAS FINANCIALS 09 Jul 2010 30 Jun 2010 001-14785
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A 063010 30 Jun 2010 30 Jun 2010 001-14785
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2010 11 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2010 15 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2010 15 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2010 14 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2010 11 Jun 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K SUBMISSION OF MATTERS TO VOTE 14 Jun 2010 09 Jun 2010 001-14785
3 Open 3 document View SEC filing for 3 FORM 3 09 Jun 2010 01 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2010 04 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2010 02 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2010 02 Jun 2010
4 Open 4 document View SEC filing for 4 FORM 4 26 May 2010 21 May 2010
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2010 21 May 2010
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 1Q10 PRESS RELEASE 10 May 2010 10 May 2010 001-14785
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q 1Q10 10 May 2010 31 Mar 2010 001-14785
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 2010 GSE SYSTEMS PROXY STATEMENT 30 Apr 2010 30 Apr 2010 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K GSE SYSTEMS ACQUIRES TAS HOLDINGS LTD 30 Apr 2010 29 Apr 2010 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM 8-K ENTRY INTO A MATERIAL AGREEMENT 30 Apr 2010 30 Apr 2010 001-14785
8-K Open 8-K document View SEC filing for 8-K BOA EXTENSION 02 Apr 2010 29 Mar 2010 001-14785
8-K Open 8-K document View SEC filing for 8-K FORM-8K-FY09 YEAR END 11 Mar 2010 31 Dec 2009 001-14785
10-K Open 10-K document View SEC filing for 10-K FORM 10-K FY09 11 Mar 2010 31 Dec 2009 001-14785
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A GSE 123109 17 Feb 2010 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A GSE SYSTEMS 16 Feb 2010 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 16 Feb 2010 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2010 005-45371
SC 13G Open SC 13G document View SEC filing for SC 13G 12 Feb 2010 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2010 005-45371
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 25 Jan 2010 005-45371
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 22 Jan 2010 005-45371

About this filer

GSE SYSTEMS INC files with the SEC under CIK 0000944480. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Prepackaged Software.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.