Eos Energy Enterprises, Inc. (EOSE)
Nasdaq: EOSE · Miscellaneous Electrical Machinery, Equipment & Supplies · Edison, NJ · filing with the SEC since 2020
Who runs Eos Energy Enterprises, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Mastrangelo Joe
Chief Executive Officer. First filing Nov 2020, latest Sep 16, 2026, 13 filings in all.
Officers reporting now
7
of 22 people with a filing in the last fifteen months
Directors reporting now
15
44 people on the record since 2020
Officerssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Buczkowski Michelle | Chief Commercial Officer | Nov 2025 | Oct 29, 2026 | 2 · $200,000 |
| Mastrangelo Joe | Chief Executive Officer | Nov 2020 | Sep 16, 2026 | 2 · $1.6M |
| Puri Sumeet | Chief Accounting Officer | Sep 2023 | Sep 16, 2026 | 4 · $500,000 |
| Lagi Alessandro | Chief Financial Officer | Jun 2026 | Aug 26, 2026 | none |
| Kroeker Nathan | Chief Commercial Officer | Jan 2023 | Aug 6, 2026 | 4 · $1.8M |
| Martin Marie Batz | Chief Legal Officer | Jul 2026 | Jul 15, 2026 | none |
| Silberman Michael W | Chief Legal Officer | Mar 2024 | Jun 30, 2026 | 2 · $800,000 |
Directorssales are open-market, Oct 29, 2025 to Oct 29, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Song Haiyan | director | Jul 2026 | Sep 15, 2026 | none |
| Bornstein Jeffrey S | director | Sep 2022 | Aug 6, 2026 | 2 · $600,000 |
| Ccm Frontier Jv Holdco, LLC | director | Aug 2026 | Aug 6, 2026 | none |
| Ccm Frontier Power Usa Holdings Gp, LLC | director | Aug 2026 | Aug 6, 2026 | none |
| Ccm Frontier Power Usa Holdings, LP | director | Aug 2026 | Aug 6, 2026 | none |
| Cerberus Gp Manager LLC | director | Aug 2026 | Aug 6, 2026 | none |
| Demby Claude | director | Aug 2021 | Aug 6, 2026 | none |
| Dimitrief Alexander | director | Dec 2020 | Aug 6, 2026 | none |
| Nigro Joseph | director | Mar 2025 | Aug 6, 2026 | none |
| Urban David | director | Dec 2024 | Aug 6, 2026 | none |
| Walters Marian | director | Dec 2020 | Aug 6, 2026 | 4 · $1.3M |
| Mcneil Jeff | director | Oct 2023 | Jun 9, 2026 | none |
| Nixon Gregory S. | director | Aug 2024 | Jun 9, 2026 | none |
| Fick Nathaniel | director | Apr 2026 | Apr 3, 2026 | none |
| Stidolph Russell Monoki | director | Nov 2020 | Dec 8, 2025 | 4 · $11.5M |
Earlier names on the record42, newest filing first
Javidi Eric M · officer · last filing Mar 2025Ccm Denali Equity Holdings Gp, LLC · director · last filing Jan 2025Ccm Denali Equity Holdings, LP · director · last filing Jan 2025Cerberus Capital Management II, L.P. · director · last filing Jan 2025Robinson Nicholas P · director · last filing Jun 2024Zibelman Audrey Ann · director · last filing May 2024Berube Melissa · officer · last filing Jan 2024Koch Industries Inc · 10% owner · last filing May 2023Wood River Capital, LLC · 10% owner · last filing May 2023Tedone John J · officer · last filing Feb 2023Gonzales Randall B · officer · last filing Jan 2023Shribman Daniel · officer · last filing Nov 2022Riley Bryant R · director · last filing Aug 2022B. Riley Financial, Inc. · 10% owner · last filing Aug 2022Brf Investments, LLC · 10% owner · last filing Aug 2022Spring Creek Capital LLC · 10% owner · last filing May 2022Singh Krishna Pal · director · last filing Mar 2022Kurada Sagar · officer · last filing Jan 2022Altenergy Storage Bridge LLC · 10% owner · last filing Jan 2022Altenergy Storage Bridge Phase II LLC · 10% owner · last filing Jan 2022Altenergy Storage II LLC · 10% owner · last filing Jan 2022Altenergy Storage V LLC · 10% owner · last filing Jan 2022Altenergy Storage Vi LLC · 10% owner · last filing Jan 2022Altenergy Transmission LLC · 10% owner · last filing Jan 2022Altenergy, LLC · 10% owner · last filing Jan 2022B. Riley Capital Management, LLC · 10% owner · last filing Oct 2021Brc Partners Management Gp, LLC · 10% owner · last filing Oct 2021Brc Partners Opportunity Fund, LP · 10% owner · last filing Oct 2021B. Riley Principal Investments, LLC · 10% owner · last filing Sep 2021B. Riley Principal Sponsor Co. II, LLC · 10% owner · last filing Sep 2021B. Riley Securities, Inc. · 10% owner · last filing Sep 2021Scc Holdings, LLC · 10% owner · last filing Jul 2021Jody Markopoulos Anne · officer · last filing Mar 2021Treece Mack · officer · last filing Feb 2021Altenergy Storage LLC · 10% owner · last filing Nov 2020Iyer Balakrishnan Gopalan · officer · last filing Nov 2020Strauss Fabian Celestin · officer · last filing Nov 2020Bartels Patrick J Jr · director · last filing May 2020Kempner James L · director · last filing May 2020Presutti Timothy M. · director · last filing May 2020Suss Robert · director · last filing May 2020Young Kenneth M · director · last filing May 2020
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.