14 insiders reported 107 Form 4 transactions for Eos Energy Enterprises, Inc. (EOSE) over the past 18 months (most recent 2026-07-07). Recent activity: Mastrangelo Joe (Chief Executive Officer) Buy 254,304 shares, Kroeker Nathan (CCO and Interim CFO) Buy 53,610 shares, Kroeker Nathan (CCO and Interim CFO) Buy 105,008 shares, Mastrangelo Joe (Chief Executive Officer) Sell 121,245 shares, Kroeker Nathan (CCO and Interim CFO) Sell 79,309 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-07 | Mastrangelo Joe | Chief Executive Officer | Buy | 254,304 | $0 |
| 2026-07-07 | Kroeker Nathan | CCO and Interim CFO | Buy | 53,610 | $0 |
| 2026-07-07 | Kroeker Nathan | CCO and Interim CFO | Buy | 105,008 | $0 |
| 2026-07-07 | Mastrangelo Joe | Chief Executive Officer | Sell | 121,245 | $613,500 |
| 2026-07-07 | Kroeker Nathan | CCO and Interim CFO | Sell | 79,309 | $371,166 |
| 2026-06-30 | Buczkowski Michelle | Chief Administration Officer | Sell | 11,469 | $67,323 |
| 2026-06-30 | Silberman Michael W | Chief Legal Officer | Buy | 29,996 | $0 |
| 2026-06-30 | Puri Sumeet | Chief Accounting Officer | Buy | 17,645 | $0 |
| 2026-06-30 | Buczkowski Michelle | Chief Administration Officer | Buy | 22,938 | $0 |
| 2026-06-30 | Mastrangelo Joe | Chief Executive Officer | Buy | 130,570 | $0 |
| 2026-06-30 | Kroeker Nathan | CCO and Interim CFO | Sell | 35,289 | $206,794 |
| 2026-06-30 | Silberman Michael W | Chief Legal Officer | Sell | 14,998 | $88,038 |
| 2026-06-30 | Kroeker Nathan | CCO and Interim CFO | Buy | 70,578 | $0 |
| 2026-06-30 | Mastrangelo Joe | Chief Executive Officer | Sell | 60,703 | $369,681 |
| 2026-06-30 | Puri Sumeet | Chief Accounting Officer | Sell | 8,823 | $51,703 |
| 2026-06-03 | Nigro Joseph | Director | Buy | 3,565 | $0 |
| 2026-06-03 | Walters Marian | Director | Buy | 1,782 | $0 |
| 2026-05-29 | Walters Marian | Director | Buy | 30,000 | $35,400 |
| 2026-05-29 | Walters Marian | Director | Sell | 30,000 | $275,400 |
| 2026-05-22 | Walters Marian | Director | Buy | 22,319 | $26,336 |
| 2026-05-22 | Walters Marian | Director | Sell | 22,319 | $160,697 |
| 2026-05-19 | Urban David | Director | Buy | 23,111 | $0 |
| 2026-05-19 | Bornstein Jeffrey S | Director | Buy | 30,815 | $0 |
| 2026-05-19 | DIMITRIEF ALEXANDER | Director | Buy | 26,963 | $0 |
| 2026-05-19 | Nixon Gregory S. | Director | Buy | 23,111 | $0 |
Source: SEC Form 4 filings · as of 2026-07-07