Telos Corp SEC filings TLS
Telos Corp has 1,000 filings in SEC EDGAR's recent list, going back to Oct 11, 2002. Its latest annual report, Form 10-K, was filed on Mar 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (officer or director change, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change, Other events
|
Nov 2, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 21, 2026 |
| 144 | Notice of proposed sale | Sep 21, 2026 | — |
| 4 | Insider transaction | Sep 21, 2026 | Sep 18, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 11, 2026 |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 4 | Insider transaction | Sep 10, 2026 | Sep 9, 2026 |
| 144 | Notice of proposed sale | Sep 9, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Sep 2, 2026 |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 4 | Insider transaction | Aug 24, 2026 | Aug 21, 2026 |
| 144 | Notice of proposed sale | Aug 21, 2026 | — |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 30, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jul 24, 2026 | — |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 24, 2026 |
| 144 | Notice of proposed sale | Jun 24, 2026 | — |
| 144 | Notice of proposed sale | Jun 24, 2026 | — |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 144 | Notice of proposed sale | Jun 22, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 8-K |
Current report
Officer or director change
|
May 28, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 16, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 16, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 16, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 16, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 16, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| S-8 | Employee stock plan registration | May 11, 2026 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Apr 29, 2026 | Apr 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 27, 2026 | — |
| DEFA14A | Additional proxy material | Mar 27, 2026 | — |
| DEF 14A | Proxy statement | Mar 27, 2026 | May 7, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 144 | Notice of proposed sale | Mar 18, 2026 | — |
| 144 | Notice of proposed sale | Mar 17, 2026 | — |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 2, 2026 | Dec 30, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 4 | Insider transaction | Dec 11, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 144 | Notice of proposed sale | Dec 3, 2025 | — |
| 4 | Insider transaction | Nov 28, 2025 | Nov 25, 2025 |
| 144 | Notice of proposed sale | Nov 25, 2025 | — |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 20, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 12, 2025 |
| 144 | Notice of proposed sale | Sep 12, 2025 | — |
| 4/A | Form 4/a | Sep 5, 2025 | Sep 5, 2025 |
| 144 | Notice of proposed sale | Sep 5, 2025 | — |
| 4 | Insider transaction | Sep 5, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 25, 2025 |
| 144 | Notice of proposed sale | Aug 25, 2025 | — |
| 4 | Insider transaction | Aug 22, 2025 | Aug 22, 2025 |
| 144 | Notice of proposed sale | Aug 22, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 18, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 13, 2025 |
| 144 | Notice of proposed sale | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2025 | Aug 11, 2025 |
| 3 | Initial insider ownership | Jul 9, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 9, 2025 | Jul 8, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 8, 2025 | — |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 10, 2025 | Jun 6, 2025 |
| 144 | Notice of proposed sale | Jun 6, 2025 | — |
| 4/A | Form 4/a | May 28, 2025 | May 16, 2025 |
| 8-K |
Current report
Officer or director change
|
May 23, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| S-8 | Employee stock plan registration | May 9, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 9, 2025 | May 8, 2025 |
| 8-K |
Current report
Results of operations
|
May 9, 2025 | May 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2025 | — |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 15, 2025 | Apr 14, 2025 |
| DEFA14A | Additional proxy material | Mar 28, 2025 | — |
| DEF 14A | Proxy statement | Mar 28, 2025 | May 8, 2025 |
| 10-K | Annual report | Mar 10, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Mar 1, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 3, 2025 | Feb 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 31, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 27, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 18, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 24, 2024 | — |
| 8-K |
Current report
Other events
|
Aug 28, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 13, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2024 | Aug 9, 2024 |
| 4 | Insider transaction | Jul 22, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | May 31, 2024 | May 31, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 30, 2024 | May 28, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 24, 2024 |
| S-8 | Employee stock plan registration | May 23, 2024 | — |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 22, 2024 | May 21, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Computer Integrated Systems Design (SIC 7373)
- Listed as
- TLS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- MD
- Headquarters
- Ashburn, VA
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 320121
- Former names
- C3 INC (until Apr 21, 1995)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.