SC 13G/A
File 005-45371
AMENDMENT NO. 1 TO SCHEDULE 13G
- Filing date
- 14 Feb 2012
- Reporting date
- Not listed
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GSE SYSTEMS INC reports
- Company location
- Columbia, MD
- Fiscal year end
- 31 December
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
GSE SYSTEMS INC has filed 1,306 SEC EDGAR filings since 14 Feb 1996
SEC filing history
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SC 13G/A
File 005-45371
SC 13G/A
- Filing date
- 13 Feb 2012
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 10 Feb 2012
- Reporting date
- Not listed
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SC 13G
File 005-45371
SCHEDULE 13G
- Filing date
- 05 May 2011
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 14 Feb 2011
- Reporting date
- Not listed
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- Open document Open filing
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SC 13G
File 005-45371
SC 13G
- Filing date
- 11 Feb 2011
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 11 Feb 2011
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 09 Feb 2011
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
BROWN ADVISORY HOLDINGS INCORPORATED
- Filing date
- 11 Jan 2011
- Reporting date
- Not listed
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SC 13G
File 005-45371
GSE 123110
- Filing date
- 10 Jan 2011
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 10 Aug 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
GSE 123109
- Filing date
- 17 Feb 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
GSE SYSTEMS
- Filing date
- 16 Feb 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 16 Feb 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 12 Feb 2010
- Reporting date
- Not listed
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SC 13G
File 005-45371
SC 13G filing
- Filing date
- 12 Feb 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 09 Feb 2010
- Reporting date
- Not listed
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SC 13G
File 005-45371
SCHEDULE 13G
- Filing date
- 25 Jan 2010
- Reporting date
- Not listed
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SC 13G/A
File 005-45371
SC 13G/A filing
- Filing date
- 22 Jan 2010
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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