Eos Energy Enterprises, Inc. SEC filings EOSE
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 |
|---|---|---|---|
| S-3ASR | Automatic shelf registration | Aug 31, 2026 | — |
| S-8 | Employee stock plan registration | Jul 23, 2026 | — |
| 424B2 | Prospectus | Jul 2, 2026 | — |
| 424B5 | Prospectus supplement | Jun 30, 2026 | — |
| 424B5 | Prospectus supplement | Jun 30, 2026 | — |
| S-3ASR | Automatic shelf registration | May 13, 2026 | — |
| 424B5 | Prospectus supplement | Nov 21, 2025 | — |
| FWP | Free writing prospectus | Nov 20, 2025 | — |
| 424B5 | Prospectus supplement | Nov 18, 2025 | — |
| S-3ASR | Automatic shelf registration | Oct 2, 2025 | — |
| S-8 | Employee stock plan registration | Jun 26, 2025 | — |
| 424B5 | Prospectus supplement | Jun 2, 2025 | — |
| FWP | Free writing prospectus | May 30, 2025 | — |
| 424B5 | Prospectus supplement | May 29, 2025 | — |
| S-3ASR | Automatic shelf registration | May 29, 2025 | — |
| S-3ASR | Automatic shelf registration | May 8, 2025 | — |
| S-3 | Shelf registration | May 7, 2025 | — |
| S-8 | Employee stock plan registration | Jun 26, 2024 | — |
| 424B5 | Prospectus supplement | Dec 18, 2023 | — |
| 424B5 | Prospectus supplement | Dec 14, 2023 | — |
| S-3 | Shelf registration | Dec 1, 2023 | — |
| 424B5 | Prospectus supplement | Aug 23, 2023 | — |
| 424B4 | Prospectus | Jun 30, 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 | — |
| 424B2 | Prospectus | May 22, 2023 | — |
| 424B5 | Prospectus supplement | May 17, 2023 | — |
| 424B2 | Prospectus | Apr 20, 2023 | — |
| 424B5 | Prospectus supplement | Apr 14, 2023 | — |
| 424B2 | Prospectus | Apr 6, 2023 | — |
| 424B2 | Prospectus | Apr 4, 2023 | — |
| 424B2 | Prospectus | Mar 28, 2023 | — |
| 424B2 | Prospectus | Mar 24, 2023 | — |
| 424B2 | Prospectus | Mar 22, 2023 | — |
| 424B2 | Prospectus | Mar 14, 2023 | — |
| 424B2 | Prospectus | Mar 1, 2023 | — |
| 424B2 | Prospectus | Jan 10, 2023 | — |
| 424B2 | Prospectus | Jan 6, 2023 | — |
| 424B2 | Prospectus | Jan 4, 2023 | — |
| 424B2 | Prospectus | Dec 29, 2022 | — |
| 424B2 | Prospectus | Nov 14, 2022 | — |
| 424B5 | Prospectus supplement | Aug 5, 2022 | — |
| 424B2 | Prospectus | Aug 1, 2022 | — |
| 424B2 | Prospectus | Jul 22, 2022 | — |
| S-8 | Employee stock plan registration | Jun 17, 2022 | — |
| 424B3 | Prospectus | Jun 10, 2022 | — |
| 424B2 | Prospectus | May 23, 2022 | — |
| 424B2 | Prospectus | Apr 28, 2022 | — |
| 424B1 | Prospectus | Apr 26, 2022 | — |
| S-3/A | Amendment no. 1 to form s-3 | Apr 7, 2022 | — |
| S-3 | Shelf registration | Mar 4, 2022 | — |
| 424B3 | Prospectus | Feb 25, 2022 | — |
| 424B3 | Prospectus | Nov 17, 2021 | — |
| 424B3 | Prospectus | Nov 17, 2021 | — |
| 424B3 | Prospectus | Sep 24, 2021 | — |
| 424B3 | Prospectus | Aug 12, 2021 | — |
| 424B3 | Prospectus | Aug 6, 2021 | — |
| S-8 | Employee stock plan registration | Jun 4, 2021 | — |
| 424B3 | Prospectus | May 19, 2021 | — |
| 424B3 | Prospectus | Mar 19, 2021 | — |
| S-1 | Registration statement | Mar 8, 2021 | — |
| 424B3 | Prospectus | Mar 1, 2021 | — |
| 424B3 | Prospectus | Mar 1, 2021 | — |
| 424B3 | Prospectus | Jan 22, 2021 | — |
| S-1/A | Amended registration statement | Jan 13, 2021 | — |
| 424B3 | Prospectus | Dec 10, 2020 | — |
| S-1 | Registration statement | Dec 10, 2020 | — |
| 424B3 | Prospectus | Nov 20, 2020 | — |
| S-1/A | Amended registration statement | Nov 13, 2020 | — |
| S-1 | Registration statement | Oct 28, 2020 | — |
| 424B4 | Prospectus | May 20, 2020 | — |
| S-1/A | Amended registration statement | May 18, 2020 | — |
| S-1/A | Amended registration statement | May 15, 2020 | — |
| S-1/A | Amended registration statement | May 13, 2020 | — |
| S-1/A | Amended registration statement | Apr 28, 2020 | — |
| S-1 | Registration statement | Apr 23, 2020 | — |
Showing 78 filings. 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.