Eos Energy Enterprises, Inc. SEC filings EOSEW
Eos Energy Enterprises, Inc. has 795 filings in SEC EDGAR's recent list, going back to Mar 2, 2020. Its latest annual report, Form ARS, was filed on Apr 14, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, exit or restructuring costs). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Nov 5, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Oct 19, 2026 | Oct 19, 2026 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 16, 2026 | Sep 10, 2026 |
| 8-K |
Current report
New debt, Regulation FD disclosure
|
Sep 14, 2026 | Sep 10, 2026 |
| S-3ASR | Automatic shelf registration | Aug 31, 2026 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 25, 2026 | Aug 24, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 6, 2026 | Aug 3, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| CERT | Filing | Aug 3, 2026 | — |
| 8-A12B | Form 8-a12b | Aug 3, 2026 | — |
| S-8 | Employee stock plan registration | Jul 23, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 23, 2026 | Jul 21, 2026 |
| 25-NSE | Delisting notice | Jul 20, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jul 15, 2026 | Jul 15, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 9, 2026 | Jul 8, 2026 |
| CERT | Filing | Jul 2, 2026 | — |
| 8-A12B | Filing | Jul 2, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 2, 2026 | Jul 2, 2026 |
| 424B2 | Prospectus | Jul 2, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 1, 2026 | Jun 30, 2026 |
| 424B5 | Prospectus supplement | Jun 30, 2026 | — |
| 424B5 | Prospectus supplement | Jun 30, 2026 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Jun 5, 2026 | Jun 3, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale, Regulation FD disclosure
|
May 13, 2026 | May 12, 2026 |
| S-3ASR | Automatic shelf registration | May 13, 2026 | — |
| UPLOAD | Letter from the SEC | May 5, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Apr 30, 2026 | Apr 29, 2026 |
| CORRESP | Letter to the SEC | Apr 22, 2026 | — |
| ARS | Annual report to shareholders | Apr 14, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 14, 2026 | Dec 31, 2025 |
| UPLOAD | Letter from the SEC | Apr 9, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 9, 2026 | Apr 9, 2026 |
| DEFA14A | Additional proxy material | Mar 31, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2026 | Mar 30, 2026 |
| PRE 14A | Preliminary proxy statement | Mar 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2026 | Mar 24, 2026 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Material agreement
|
Feb 17, 2026 | Feb 13, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2025 | Dec 22, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Nov 24, 2025 | Nov 18, 2025 |
| 424B5 | Prospectus supplement | Nov 21, 2025 | — |
| FWP | Free writing prospectus | Nov 20, 2025 | — |
| 424B5 | Prospectus supplement | Nov 18, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Nov 18, 2025 | Nov 18, 2025 |
| 25-NSE | Delisting notice | Nov 17, 2025 | — |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 31, 2025 | Oct 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 17, 2025 | Oct 16, 2025 |
| S-3ASR | Automatic shelf registration | Oct 2, 2025 | — |
| DEFA14A | Additional proxy material | Sep 26, 2025 | — |
| DEFA14A | Additional proxy material | Sep 2, 2025 | — |
| DEF 14A | Proxy statement | Sep 2, 2025 | Oct 16, 2025 |
| PRE 14A | Preliminary proxy statement | Aug 18, 2025 | Oct 16, 2025 |
| 10-Q | Quarterly report | Jul 30, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2025 | Jul 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 29, 2025 | Jul 23, 2025 |
| 8-K |
Current report
New debt, Regulation FD disclosure
|
Jul 1, 2025 | Jul 1, 2025 |
| S-8 | Employee stock plan registration | Jun 26, 2025 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Jun 3, 2025 | May 29, 2025 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 2, 2025 | May 28, 2025 |
| 424B5 | Prospectus supplement | Jun 2, 2025 | — |
| FWP | Free writing prospectus | May 30, 2025 | — |
| 424B5 | Prospectus supplement | May 29, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 29, 2025 | May 29, 2025 |
| S-3ASR | Automatic shelf registration | May 29, 2025 | — |
| 8-K |
Current report
Officer or director change
|
May 27, 2025 | May 27, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 16, 2025 | May 15, 2025 |
| RW | Withdrawal request | May 9, 2025 | — |
| S-3ASR | Automatic shelf registration | May 8, 2025 | — |
| S-3 | Shelf registration | May 7, 2025 | — |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2025 | — |
| ARS | Annual report to shareholders | Mar 28, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Mar 27, 2025 | May 15, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2025 | Mar 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 5, 2025 | Mar 2, 2025 |
| 10-K | Annual report | Mar 4, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2025 | Mar 4, 2025 |
| 8-K |
Current report
New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Jan 27, 2025 | Jan 24, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 16, 2025 | Jan 16, 2025 |
| 8-K |
Current report
New debt, Officer or director change, Regulation FD disclosure
|
Dec 20, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Dec 3, 2024 | Nov 26, 2024 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 8, 2024 |
| 10-Q | Quarterly report | Nov 5, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2024 | Nov 5, 2024 |
| 8-K |
Current report
New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Nov 4, 2024 | Oct 31, 2024 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Shareholder vote results
|
Sep 12, 2024 | Sep 10, 2024 |
| DEFA14A | Additional proxy material | Sep 3, 2024 | — |
| DEFA14A | Additional proxy material | Aug 30, 2024 | — |
| 8-K |
Current report
New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Aug 30, 2024 | Aug 29, 2024 |
| DEFA14A | Additional proxy material | Aug 29, 2024 | — |
| DEFA14A | Additional proxy material | Aug 26, 2024 | — |
| DEFA14A | Additional proxy material | Aug 19, 2024 | — |
| DEFA14A | Additional proxy material | Aug 16, 2024 | — |
| DEF 14A | Proxy statement | Aug 8, 2024 | Sep 10, 2024 |
| DEFA14A | Additional proxy material | Aug 7, 2024 | — |
| DEFA14A | Additional proxy material | Aug 7, 2024 | — |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 30, 2024 | Jul 25, 2024 |
| PRE 14A | Preliminary proxy statement | Jul 29, 2024 | Jul 29, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 29, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Other events
|
Jul 11, 2024 | Jul 9, 2024 |
| S-8 | Employee stock plan registration | Jun 26, 2024 | — |
| DEFA14A | Additional proxy material | Jun 26, 2024 | — |
| DEFA14A | Additional proxy material | Jun 24, 2024 | — |
| DEFA14A | Additional proxy material | Jun 24, 2024 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Jun 24, 2024 | Jun 21, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2024 | — |
| 8-K |
Current report
Listing notice
|
May 24, 2024 | May 20, 2024 |
| 10-Q | Quarterly report | May 14, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 3, 2024 | May 1, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Apr 23, 2024 | Apr 23, 2024 |
| ARS | Annual report to shareholders | Apr 2, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 2, 2024 | May 1, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 22, 2024 | May 1, 2024 |
| 10-K/A | Amended annual report | Mar 7, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Mar 4, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 13, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Other events
|
Feb 5, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Feb 1, 2024 | Jan 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 19, 2024 | Jan 17, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jan 9, 2024 | Jan 8, 2024 |
| 424B5 | Prospectus supplement | Dec 18, 2023 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Dec 15, 2023 | Dec 14, 2023 |
| 424B5 | Prospectus supplement | Dec 14, 2023 | — |
| EFFECT | Filing | Dec 11, 2023 | — |
| CORRESP | Letter to the SEC | Dec 7, 2023 | — |
| CORRESP | Letter to the SEC | Dec 7, 2023 | — |
| CORRESP | Letter to the SEC | Dec 7, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 7, 2023 | — |
| S-3 | Shelf registration | Dec 1, 2023 | — |
| 10-Q | Quarterly report | Nov 6, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2023 | Oct 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 31, 2023 | Aug 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Aug 28, 2023 | Aug 25, 2023 |
| 424B5 | Prospectus supplement | Aug 23, 2023 | — |
| 8-K |
Current report
Material agreement, Agreement ended, Other events
|
Aug 23, 2023 | Aug 23, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2023 | Aug 14, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure, Other events
|
Jul 28, 2023 | Jul 26, 2023 |
| 424B4 | Prospectus | Jun 30, 2023 | — |
| EFFECT | Filing | Jun 29, 2023 | — |
| CORRESP | Letter to the SEC | Jun 27, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 26, 2023 | — |
| S-8 | Employee stock plan registration | Jun 23, 2023 | — |
| S-3 | Shelf registration | Jun 20, 2023 | — |
| 424B2 | Prospectus | Jun 9, 2023 | — |
| 424B2 | Prospectus | Jun 2, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 8-K |
Current report
Officer or director change
|
May 30, 2023 | May 25, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
May 25, 2023 | May 25, 2023 |
| D | Filing | May 24, 2023 | — |
| 424B2 | Prospectus | May 22, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2023 | May 16, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
May 17, 2023 | May 15, 2023 |
| 424B5 | Prospectus supplement | May 17, 2023 | — |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| D | Filing | Apr 25, 2023 | — |
| 424B2 | Prospectus | Apr 20, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 14, 2023 | Apr 12, 2023 |
| 424B5 | Prospectus supplement | Apr 14, 2023 | — |
| DEFA14A | Additional proxy material | Apr 12, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Apr 11, 2023 | Apr 10, 2023 |
| 424B2 | Prospectus | Apr 6, 2023 | — |
| 424B2 | Prospectus | Apr 4, 2023 | — |
| 424B2 | Prospectus | Mar 28, 2023 | — |
| ARS | Annual report to shareholders | Mar 27, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 27, 2023 | — |
| DEF 14A | Proxy statement | Mar 27, 2023 | May 16, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2023 | Mar 24, 2023 |
| 424B2 | Prospectus | Mar 24, 2023 | — |
| 424B2 | Prospectus | Mar 22, 2023 | — |
| PRE 14A | Preliminary proxy statement | Mar 17, 2023 | May 16, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Mar 17, 2023 | Mar 17, 2023 |
| 424B2 | Prospectus | Mar 14, 2023 | — |
| 8-K |
Current report
Other events
|
Mar 10, 2023 | Mar 9, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2023 | Feb 28, 2023 |
| 424B2 | Prospectus | Mar 1, 2023 | — |
| 10-K | Annual report | Feb 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Other events
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Other events
|
Feb 10, 2023 | Feb 10, 2023 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Regulation FD disclosure
|
Feb 2, 2023 | Feb 1, 2023 |
| D | Filing | Feb 2, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Jan 23, 2023 | Jan 19, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Jan 19, 2023 | Jan 18, 2023 |
| 424B2 | Prospectus | Jan 10, 2023 | — |
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
- Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
- Listed as
- EOSE (Nasdaq), EOSEW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Pittsburgh, PA
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1805077
- Former names
- B. Riley Principal Merger Corp. II (until Nov 13, 2020)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.