14 insiders reported 121 Form 4 transactions for Eos Energy Enterprises, Inc. (EOSE) over the past 18 months (most recent 2026-08-06). Recent activity: Bornstein Jeffrey S (Director) Buy 9,558 shares, Kroeker Nathan (Chief Commercial Officer) Buy 16,944 shares, DIMITRIEF ALEXANDER (Director) Buy 17,897 shares, Nigro Joseph (Director) Buy 2,773 shares, Urban David (Director) Buy 12,185 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-06 | Bornstein Jeffrey S | Director | Buy | 9,558 | $52,378 |
| 2026-08-06 | Kroeker Nathan | Chief Commercial Officer | Buy | 16,944 | $92,853 |
| 2026-08-06 | DIMITRIEF ALEXANDER | Director | Buy | 17,897 | $98,076 |
| 2026-08-06 | Nigro Joseph | Director | Buy | 2,773 | $15,196 |
| 2026-08-06 | Urban David | Director | Buy | 12,185 | $66,774 |
| 2026-08-06 | Walters Marian | Director | Buy | 11,407 | $62,510 |
| 2026-08-06 | Mastrangelo Joe | Chief Executive Officer | Buy | 111,118 | $608,927 |
| 2026-08-06 | Demby Claude | Director | Buy | 1,825 | $10,001 |
| 2026-08-06 | Buczkowski Michelle | Chief Administration Officer | Buy | 2,585 | $14,166 |
| 2026-08-06 | DIMITRIEF ALEXANDER | Director | Buy | 1,377 | $7,546 |
| 2026-07-28 | Puri Sumeet | Chief Accounting Officer | Buy | 58,334 | $0 |
| 2026-07-28 | Mastrangelo Joe | Chief Executive Officer | Buy | 333,334 | $0 |
| 2026-07-28 | Kroeker Nathan | Chief Commercial Officer | Buy | 220,834 | $0 |
| 2026-07-28 | Kroeker Nathan | Chief Commercial Officer | Sell | 110,417 | $371,001 |
| 2026-07-28 | Mastrangelo Joe | Chief Executive Officer | Sell | 159,154 | $574,546 |
| 2026-07-28 | Puri Sumeet | Chief Accounting Officer | Sell | 29,167 | $98,001 |
| 2026-07-07 | Kroeker Nathan | CCO and Interim CFO | Buy | 53,610 | $0 |
| 2026-07-07 | Mastrangelo Joe | Chief Executive Officer | Buy | 254,304 | $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 | Kroeker Nathan | CCO and Interim CFO | Buy | 70,578 | $0 |
| 2026-06-30 | Silberman Michael W | Chief Legal Officer | Buy | 29,996 | $0 |
| 2026-06-30 | Mastrangelo Joe | Chief Executive Officer | Buy | 130,570 | $0 |
| 2026-06-30 | Puri Sumeet | Chief Accounting Officer | Buy | 17,645 | $0 |
Source: SEC Form 4 filings · as of 2026-08-06