Plug Power Inc SEC filings PLUG
Plug Power Inc has 1,000 filings in SEC EDGAR's recent list, going back to May 12, 2017. Its latest annual report, Form ARS, was filed on Apr 30, 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 Oct 15, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 144 | Notice of proposed sale | Oct 15, 2026 | — |
| 8-K |
Current report
Results of operations
|
Oct 15, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 23, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 22, 2026 | Sep 18, 2026 |
| 144 | Notice of proposed sale | Sep 18, 2026 | — |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 144 | Notice of proposed sale | Sep 15, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 9, 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/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Jul 13, 2026 | Jul 9, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| S-8 | Employee stock plan registration | Jun 18, 2026 | — |
| 4 | Insider transaction | Jun 16, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 15, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 11, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| DEFA14A | Additional proxy material | Jun 4, 2026 | — |
| DEFA14A | Additional proxy material | Jun 4, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Jun 4, 2026 | Jun 2, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 11, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Mar 10, 2026 | Mar 4, 2026 |
| S-8 | Employee stock plan registration | Mar 6, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2026 | Mar 2, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 26, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Feb 13, 2026 | Feb 12, 2026 |
| DEFA14A | Additional proxy material | Feb 11, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 11, 2026 | Feb 11, 2026 |
| DEFA14A | Additional proxy material | Feb 10, 2026 | — |
| DEFA14A | Additional proxy material | Feb 6, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 5, 2026 | Feb 5, 2026 |
| DEFA14A | Additional proxy material | Feb 4, 2026 | — |
| DEFA14A | Additional proxy material | Feb 3, 2026 | — |
| DEFA14A | Additional proxy material | Feb 2, 2026 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jan 30, 2026 | Jan 29, 2026 |
| DEFA14A | Additional proxy material | Jan 30, 2026 | — |
| DEFA14A | Additional proxy material | Jan 29, 2026 | — |
| DEFA14A | Additional proxy material | Jan 27, 2026 | — |
| DEFA14A | Additional proxy material | Jan 23, 2026 | — |
| 4 | Insider transaction | Jan 14, 2026 | Jan 12, 2026 |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 6, 2026 | Dec 30, 2025 |
| DEFA14A | Additional proxy material | Dec 31, 2025 | — |
| DEFA14A | Additional proxy material | Dec 22, 2025 | — |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| DEFA14A | Additional proxy material | Dec 17, 2025 | — |
| 4 | Insider transaction | Dec 12, 2025 | Oct 10, 2025 |
| DEF 14A | Proxy statement | Dec 12, 2025 | Jan 29, 2026 |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 8-K |
Current report
Other events
|
Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Nov 28, 2025 |
| DEFA14A | Additional proxy material | Dec 3, 2025 | — |
| 144 | Notice of proposed sale | Dec 2, 2025 | — |
| DEFA14A | Additional proxy material | Nov 26, 2025 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Other events
|
Nov 21, 2025 | Nov 18, 2025 |
| DEFA14A | Additional proxy material | Nov 21, 2025 | — |
| PRE 14A | Preliminary proxy statement | Nov 20, 2025 | Jan 15, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2025 | Nov 18, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 10, 2025 | Nov 10, 2025 |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| 144 | Notice of proposed sale | Oct 10, 2025 | — |
| 8-K |
Current report
Material agreement
|
Oct 8, 2025 | Oct 8, 2025 |
| 424B5 | Prospectus supplement | Oct 8, 2025 | — |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 7, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 30, 2025 | Sep 29, 2025 |
| 424B5 | Prospectus supplement | Sep 30, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 22, 2025 | Sep 22, 2025 |
| 424B7 | Filing | Sep 22, 2025 | — |
| 4 | Insider transaction | Sep 18, 2025 | Sep 16, 2025 |
| 144 | Notice of proposed sale | Sep 16, 2025 | — |
| 4 | Insider transaction | Sep 12, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 4, 2025 |
| 3 | Initial insider ownership | Sep 12, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 8-K |
Current report
Material agreement
|
Aug 15, 2025 | Aug 15, 2025 |
| 424B5 | Prospectus supplement | Aug 15, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 12, 2025 | Aug 11, 2025 |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 11, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 17, 2025 | Jul 4, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jul 9, 2025 | Jul 8, 2025 |
| 424B7 | Filing | Jul 9, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jul 9, 2025 | Jul 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 3, 2025 | Jul 3, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 25, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 4 | Insider transaction | Jun 9, 2025 | Jun 9, 2025 |
| ARS | Annual report to shareholders | Jun 9, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Jun 9, 2025 | Jul 3, 2025 |
| 424B7 | Filing | Jun 6, 2025 | — |
| 424B7 | Filing | Jun 6, 2025 | — |
| DEFA14A | Additional proxy material | Jun 6, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change
|
Jun 6, 2025 | Jun 5, 2025 |
| DEFA14A | Additional proxy material | Jun 2, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| PRE 14A | Preliminary proxy statement | May 30, 2025 | Jul 3, 2025 |
| S-3ASR | Automatic shelf registration | May 27, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2025 | May 12, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 7, 2025 | Apr 6, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 5, 2025 |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Regulation FD disclosure
|
Apr 28, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
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
- Electrical Industrial Apparatus (SIC 3620)
- Listed as
- PLUG (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Slingerlands, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1093691
Other Electrical Industrial Apparatus companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.