Franklin Street Properties Corp /MA/ SEC filings FSP
Franklin Street Properties Corp /MA/ has 824 filings in SEC EDGAR's recent list, going back to Apr 30, 2001. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 28, 2026 | — |
| 10-Q | Quarterly report | Oct 27, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2026 | Oct 27, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Oct 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 3, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 28, 2026 | — |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2026 | Jul 28, 2026 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 13, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2026 | Apr 28, 2026 |
| ARS | Annual report to shareholders | Apr 2, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 2, 2026 | — |
| DEF 14A | Proxy statement | Apr 2, 2026 | May 14, 2026 |
| 10-K | Annual report | Mar 9, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 9, 2026 | Mar 9, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Officer or director change, Other events
|
Mar 4, 2026 | Feb 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2025 | Oct 28, 2025 |
| 3 | Initial insider ownership | Oct 22, 2025 | Oct 15, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 15, 2025 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
Oct 15, 2025 | Oct 9, 2025 |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2025 | Jul 29, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 8, 2025 | — |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 15, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| ARS | Annual report to shareholders | Apr 3, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 3, 2025 | — |
| DEF 14A | Proxy statement | Apr 3, 2025 | May 15, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Mar 26, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Mar 10, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 21, 2025 | Feb 14, 2025 |
| 10-K | Annual report | Feb 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 11, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Dec 17, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 3 | Initial insider ownership | Dec 6, 2024 | Nov 27, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 2, 2024 | — |
| 8-K |
Current report
Material agreement, Officer or director change, Regulation FD disclosure
|
Nov 27, 2024 | Nov 27, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2024 | — |
| SC 13D | Ownership over 5% (active) | Nov 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2024 | Oct 29, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 22, 2024 | — |
| 10-Q | Quarterly report | Jul 30, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2024 | Jul 30, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 4 | Insider transaction | Jun 3, 2024 | May 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2024 | May 16, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 30, 2024 |
| 10-Q | Quarterly report | Apr 30, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 4, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 4, 2024 | — |
| DEF 14A | Proxy statement | Apr 4, 2024 | May 16, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 4, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 4, 2024 |
| 10-K | Annual report | Feb 26, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2024 | Feb 26, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 2, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 11, 2024 | — |
| 8-K |
Current report
Acquisition or sale of assets
|
Dec 7, 2023 | Dec 6, 2023 |
| 4 | Insider transaction | Nov 14, 2023 | Nov 10, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Acquisition or sale of assets
|
Nov 1, 2023 | Oct 26, 2023 |
| 4 | Insider transaction | Aug 22, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 9, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2023 | Aug 1, 2023 |
| 10-Q | Quarterly report | Aug 1, 2023 | Jun 30, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 7, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | May 31, 2023 | — |
| 4 | Insider transaction | May 31, 2023 | May 26, 2023 |
| 4 | Insider transaction | May 30, 2023 | May 25, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | May 24, 2023 | — |
| 3 | Initial insider ownership | May 24, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 16, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 11, 2023 | May 11, 2023 |
| 8-K |
Current report
Results of operations
|
May 2, 2023 | May 2, 2023 |
| 10-Q | Quarterly report | May 2, 2023 | Mar 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 6, 2023 | — |
| ARS | Annual report to shareholders | Mar 30, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 30, 2023 | — |
| DEF 14A | Proxy statement | Mar 30, 2023 | — |
| 4 | Insider transaction | Mar 10, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 8, 2023 | Mar 6, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 17, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2023 | Feb 14, 2023 |
| 10-K | Annual report | Feb 14, 2023 | Dec 31, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Feb 10, 2023 | Feb 10, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 3, 2023 | Feb 2, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2023 | — |
| 4 | Insider transaction | Nov 18, 2022 | Nov 17, 2022 |
| 4 | Insider transaction | Nov 10, 2022 | Nov 9, 2022 |
| 10-Q | Quarterly report | Nov 1, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2022 | Nov 1, 2022 |
| 4 | Insider transaction | Sep 15, 2022 | Sep 13, 2022 |
| 8-K |
Current report
Acquisition or sale of assets
|
Sep 7, 2022 | Aug 31, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| 10-Q | Quarterly report | Aug 2, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2022 | Aug 2, 2022 |
| 4 | Insider transaction | Jun 16, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 17, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2022 | May 10, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 6, 2022 |
| 10-Q | Quarterly report | May 3, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 3, 2022 | May 3, 2022 |
| DEFA14A | Additional proxy material | Mar 30, 2022 | — |
| DEF 14A | Proxy statement | Mar 30, 2022 | May 10, 2022 |
| 3 | Initial insider ownership | Feb 24, 2022 | Feb 16, 2022 |
| 4 | Insider transaction | Feb 22, 2022 | Feb 18, 2022 |
| 10-K | Annual report | Feb 15, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2022 | Feb 15, 2022 |
| 4/A | Primary document | Feb 10, 2022 | May 20, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Feb 8, 2022 | Feb 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jan 26, 2022 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jan 12, 2022 | Jan 10, 2022 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2021 | Nov 8, 2021 |
| 8-K |
Current report
Acquisition or sale of assets
|
Oct 28, 2021 | Oct 22, 2021 |
| 8-K |
Current report
Material agreement
|
Oct 5, 2021 | Sep 29, 2021 |
| 4 | Insider transaction | Sep 7, 2021 | Sep 7, 2021 |
| 10-Q | Quarterly report | Aug 3, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jun 2, 2021 | May 27, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 20, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2021 | May 13, 2021 |
| 4 | Insider transaction | May 13, 2021 | May 12, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 11, 2021 |
| 10-Q | Quarterly report | May 4, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 4, 2021 | May 4, 2021 |
| 8-K |
Current report
Material agreement
|
Apr 20, 2021 | Apr 15, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 16, 2021 | Apr 16, 2021 |
| DEFA14A | Additional proxy material | Apr 1, 2021 | — |
| DEF 14A | Proxy statement | Apr 1, 2021 | May 13, 2021 |
| 8-K |
Current report
Material agreement
|
Mar 8, 2021 | Mar 5, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 19, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 19, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 19, 2021 |
| 10-K | Annual report | Feb 16, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2021 | Feb 16, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
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
- Real Estate Investment Trusts (SIC 6798)
- Listed as
- FSP (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MA
- Headquarters
- Wakefield, MA
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1031316
- Former names
- FRANKLIN STREET PARTNERS LP (until Jan 7, 2002)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.