Eos Energy Enterprises, Inc. (EOSE) has 62 open-market insider trades by 25 insiders since 2020. Over the last six months insiders net sold $1.0M. The most active filer is Joe Mastrangelo, CEO.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| BRC Partners Management GP, LLC | 10% Owner | — | 2 | $27.6M | 2021-08-26 |
| Russell Monoki Stidolph | Dir | — | 3 | $15.6M | 2025-12-08 |
| B. Riley Financial, Inc. | 10% Owner | — | 3 | $11.7M | 2021-11-16 |
| Joe Mastrangelo | CEO | — | 10 | $5.3M | 2026-09-16 |
| Bryant R. Riley | 10% Owner | — | 2 | $3.8M | 2021-11-17 |
| BRC Partners Opportunity Fund, LP via Bryant R. Riley | 10% Owner | — | 1 | $3.8M | 2021-09-29 |
| Nathan Kroeker | CCO | — | 3 | $2.9M | 2026-07-28 |
| Michael W. Silberman | CLO | — | 2 | $2.1M | 2026-06-30 |
| B. RILEY Capital Management, LLC | 10% Owner | — | 2 | $1.9M | 2021-10-15 |
| Jeffrey S. Bornstein | Dir | — | 3 | $1.9M | 2026-07-21 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Sumeet Puri | CAO | Sell | $172K | 2026-09-16 |
| Joe Mastrangelo | CEO | Sell | $980K | 2026-09-16 |
| Haiyan Song | Director | Buy | $59K | 2026-09-11 |
| Sumeet Puri | CAO | Sell | $141K | 2026-09-09 |
| Sumeet Puri | CAO | Sell | $98K | 2026-07-28 |
| Nathan Kroeker | CCO | Sell | $371K | 2026-07-28 |
Companies that share insiders with EOSE, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Joe Mastrangelo | CEO | Sell | $575K | 2026-07-27 |
| Nathan Kroeker | CFO & CCO | Sell | $371K | 2026-07-07 |
| Michelle Buczkowski | — | Sell | $67K | 2026-06-30 |
| Michael W. Silberman | CLO | Sell | $88K | 2026-06-30 |
| Nathan Kroeker | CFO & CCO | Sell | $207K | 2026-06-30 |
| Sumeet Puri | CAO | Sell | $52K | 2026-06-30 |
| Marian Walters | Director | Sell | $275K | 2026-05-28 |
| Marian Walters | Director | Sell | $161K | 2026-05-20 |
| Marian Walters | Director | Sell | $54K | 2026-05-19 |