Eos Energy Enterprises, Inc.
EOSE- Exchange
- Nasdaq
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- SEC CIK
- 0001805077
In the last 90 days, Eos Energy Enterprises, Inc. insiders filed 1 open-market purchase and 7 sales; 349 institutions reported holding it in 13F filings for Q2 2026, worth $1.34B in total; no superinvestor holds it.
Other share classesEOSEW
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Eos Energy Enterprises, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $58.7K in total
- Open-market sells
- 7 filings
- 3 insiders, $2.71M in total
- Insiders trading
- 4
- Net value
- −$2.65M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Eos Energy Enterprises, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Puri Sumeet | Chief Accounting Officer | 280,195 | Sep 16, 2026 | 5 |
| Mastrangelo Joe | Chief Executive Officer | 2,308,704 | Sep 16, 2026 | 9 |
| Song Haiyan | Director | 15,000 | Sep 15, 2026 | 2 |
| Buczkowski Michelle | Chief Commercial Officer | 61,827 | Aug 26, 2026 | 4 |
| Lagi Alessandro | Chief Financial Officer | – | Aug 26, 2026 | 2 |
| CCM Frontier JV Holdco, LLC | Director, 10% Owner | – | Aug 6, 2026 | 1 |
| CCM Frontier Power USA Holdings, LP | Director, 10% Owner | – | Aug 6, 2026 | 1 |
| CCM Frontier Power USA Holdings GP, LLC | Director, 10% Owner | – | Aug 6, 2026 | 1 |
| Cerberus GP Manager LLC | Director, 10% Owner | – | Aug 6, 2026 | 1 |
| Dimitrief Alexander | Director | 11,377Indirect | Aug 6, 2026 | 6 |
| Walters Marian | Director | 171,634 | Aug 6, 2026 | 9 |
| Bornstein Jeffrey S | Director | 143,806 | Aug 6, 2026 | 4 |
| Urban David | Director | 97,767 | Aug 6, 2026 | 4 |
| Nigro Joseph | Director | 41,723 | Aug 6, 2026 | 5 |
| Demby Claude | Director | 157,400 | Aug 6, 2026 | 3 |
| Kroeker Nathan | Chief Commercial Officer | 904,471 | Aug 6, 2026 | 5 |
| Martin Marie Batz | Chief Legal Officer | – | Jul 15, 2026 | 1 |
| Silberman Michael W | Chief Legal Officer | 298,277 | Jun 30, 2026 | 2 |
| Nixon Gregory S. | Director | 13,867 | Jun 9, 2026 | 2 |
| McNeil Jeff | Director | 122,290 | Jun 9, 2026 | 3 |
| Stidolph Russell Monoki | Director | 364,355 | Dec 8, 2025 | 1 |
| Javidi Eric M | Chief Financial Officer | – | Mar 19, 2025 | 0 |
| CCM Denali Equity Holdings, LP | Director, 10% Owner | 0Indirect | Jan 27, 2025 | 0 |
| CCM Denali Equity Holdings GP, LLC | Director, 10% Owner | 0Indirect | Jan 27, 2025 | 0 |
| Cerberus Capital Management II, L.P. | Director, 10% Owner | 0Indirect | Jan 27, 2025 | 0 |
| Zibelman Audrey Ann | Director | 104,897 | May 2, 2024 | 0 |
| Berube Melissa | General Counsel | 171,836 | Jan 30, 2024 | 0 |
| Koch Industries Inc | Other: Former 10% Owner | – | May 4, 2023 | 0 |
| Wood River Capital, LLC | Other: Former 10% Owner | – | May 4, 2023 | 0 |
| Tedone John J | Chief Accounting Officer | 25,487 | Feb 16, 2023 | 0 |
| Gonzales Randall B | Chief Financial Officer | 188,094 | Jan 13, 2023 | 0 |
| Shribman Daniel | Other: Former Director | 33,960 | Nov 10, 2022 | 0 |
| Riley Bryant R | 10% Owner | 5,369,778Indirect | Aug 1, 2022 | 0 |
| BRC Group Holdings, Inc. | 10% Owner | 5,369,778Indirect | Aug 1, 2022 | 0 |
| BRF Investments, LLC | 10% Owner | 5,369,778Indirect | Aug 1, 2022 | 0 |
| Spring Creek Capital LLC | 10% Owner | 0 | May 3, 2022 | 0 |
| Singh Krishna Pal | Director | 2,794,709Indirect | Mar 30, 2022 | 0 |
| Kurada Sagar | Chief Financial officer | 66,939 | Jan 5, 2022 | 0 |
| AltEnergy Storage Bridge LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy Transmission LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy Storage VI LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy Storage II LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy Storage V LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy Storage Bridge Phase II LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| AltEnergy, LLC | 10% Owner | 2,653,272Indirect | Jan 3, 2022 | 0 |
| BRC Partners Opportunity Fund, LP | 10% Owner | 5,765,942Indirect | Oct 18, 2021 | 0 |
| B. Riley Capital Management, LLC | 10% Owner | 5,765,942Indirect | Oct 18, 2021 | 0 |
| BRC Partners Management GP, LLC | 10% Owner | 5,765,942Indirect | Oct 18, 2021 | 0 |
| B. Riley Securities, Inc. | 10% Owner | 0Indirect | Sep 21, 2021 | 0 |
| B. Riley Principal Investments, LLC | 10% Owner | 0Indirect | Sep 21, 2021 | 0 |
Showing the 50 most recent filers.
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 20, 2023 (view filing) | Jan 18 | 2 days | Stidolph Russell MonokiDirector | PPurchase | +1.21M | – | – | – | DerivativePrice outlier |
| Nov 14, 2022 (view filing) | Nov 10 | 4 days | Mastrangelo JoeChief Executive Officer | PPurchase | +65.0K | $1.15 | +$74.8K | +19.2%403.7K after | |
| Nov 14, 2022 (view filing) | Nov 10 | 4 days | Bornstein Jeffrey SDirector | PPurchase | +20.0K | $1.30 | +$26.0K | New position20.0K after | |
| Nov 14, 2022 (view filing) | Nov 10 | 4 days | Stidolph Russell MonokiDirector | PPurchase | +79.8K | $1.24 | +$99.0K | +99.2%160.3K after | |
| Nov 10, 2022 (view filing) | Nov 8-10 | 2 days | Shribman DanielOther: Former Director | SSaleClass A Common Stock | −993.8K | $1.27 | −$1.27M | −96.7%34.0K after | 3 lots |
| May 13, 2022 (view filing) | May 12 | 1 day | Stidolph Russell MonokiDirector | PPurchase | +71.5K | $1.40 | +$100.1K | +1,375.5%76.7K after | |
| May 12, 2022 (view filing) | May 12 | Same day | Mastrangelo JoeChief Executive Officer | PPurchase | +70.0K | $1.40 | +$98.0K | +26.0%338.7K after | |
| May 12, 2022 (view filing) | May 12 | Same day | Gonzales Randall BChief Financial Officer | PPurchase | +70.0K | $1.45 | +$101.5K | +160.2%113.7K after | |
| May 12, 2022 (view filing) | May 12 | Same day | Shribman DanielDirector | PPurchase | +15.0K | $1.44 | +$21.6K | +1.5%1.02M after | |
| Mar 7, 2022 (view filing) | Mar 3 | 4 days | Demby ClaudeDirector | PPurchase | +13.2K | $3.79 | +$50.0K | New position13.2K after | |
| Mar 7, 2022 (view filing) | Mar 3 | 4 days | Zibelman Audrey AnnDirector | PPurchase | +50 | $3.69 | +$184.5 | +1.0%5.25K after | |
| Mar 7, 2022 (view filing) | Mar 3 | 4 days | Walters MarianDirector | PPurchase | +5.00K | $3.56 | +$17.8K | New position5.00K after | |
| Mar 7, 2022 (view filing) | Mar 3 | 4 days | Shribman DanielDirector | PPurchase | +10.0K | $3.62 | +$36.2K | +1.0%1.01M after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Mastrangelo JoeChief Executive Officer | PPurchase | +35.0K | $2.88 | +$100.8K | +15.0%268.7K after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Dimitrief AlexanderDirector | PPurchase | +20.0K | $2.92 | +$58.4K | +79.4%45.2K after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Berube MelissaGeneral Counsel | PPurchase | +2.65K | $2.67 | +$7.08K | New position2.65K after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Gonzales Randall BChief Financial Officer | PPurchase | +43.5K | $2.75 | +$119.6K | +21,750.0%43.7K after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Tedone John JChief Accounting Officer | PPurchase | +7.00K | $2.75 | +$19.3K | +87.5%15.0K after | |
| Nov 19, 2021 (view filing)9:30 PM ET | Nov 17 | 2 days | Riley Bryant R and 2 others10% Owner | SSaleClass A Common Stock | −2.95K | $11.00 | −$32.5K | −0.1%5.37M after | |
| Nov 16, 2021 (view filing)9:30 PM ET | Nov 12-16 | 4 days | Riley Bryant R and 2 others10% Owner | SSaleClass A Common Stock | −281.7K | $11.00 | −$3.10M | −5.0%5.37M after | 3 lots |
| Nov 10, 2021 (view filing)9:30 PM ET | Nov 8-10 | 2 days | Riley Bryant R and 2 others10% Owner | SSaleClass A Common Stock | −111.6K | $11.77 | −$1.31M | −1.9%5.65M after | 2 lots |
| Oct 18, 2021 (view filing)9:30 PM ET | Oct 14-15 | 4 days | Riley Bryant R and 5 others10% Owner | SSaleClass A Common Stock | −7.12K | $12.85 | −$91.5K | −0.1%5.77M after | 2 lots |
| Oct 4, 2021 (view filing)9:30 PM ET | Sep 30-Oct 1 | 4 days | Riley Bryant R and 5 others10% Owner | SSaleClass A Common Stock | −131.9K | $14.19 | −$1.87M | −2.2%5.77M after | 2 lots |
| Sep 29, 2021 (view filing)9:30 PM ET | Sep 27-29 | 2 days | Riley Bryant R and 5 others10% Owner | SSaleClass A Common Stock | −133.3K | $14.13 | −$1.88M | −2.2%5.90M after | 3 lots |
| Sep 21, 2021 (view filing)9:30 PM ET | Sep 17 | 4 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −18.2K | $13.81 | −$251.8K | −91.2%1.77K after | |
| Sep 21, 2021 (view filing)9:30 PM ET | Sep 17 | 4 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −20.0K | $13.77 | −$275.4K | −100.0%0 after | 4 lots |
| Sep 9, 2021 (view filing)9:30 PM ET | Sep 7-9 | 2 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −64.2K | $13.63 | −$875.4K | −100.0%0 after | 3 lots |
| Sep 3, 2021 (view filing)9:30 PM ET | Sep 1-3 | 2 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −151.3K | $13.69 | −$2.07M | −70.2%64.2K after | 3 lots |
| Aug 31, 2021 (view filing)4:18 PM ET | Aug 27-30 | 4 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −101.0K | $13.91 | −$1.40M | −31.9%215.5K after | 2 lots |
| Aug 30, 2021 (view filing)4:01 PM ET | Aug 24-26 | 6 days | Riley Bryant R and 8 others10% Owner | SSaleClass A Common Stock | −176.6K | $13.62 | −$2.40M | −35.8%316.5K after | Amended4 lotsDuplicate filing |
| Aug 27, 2021 (view filing)7:04 AM ET | Aug 24-26 | 3 daysLate | Riley Bryant R and 7 others10% Owner | SSaleClass A Common Stock | −176.6K | $13.62 | −$2.40M | −35.8%316.5K after | 4 lots |