Form 4 for EOSE Eos Energy Enterprises, Inc.
Accepted 2026-07-28 17:02:00 ET · period of report 2026-07-25 · accession 0001628280-26-050226 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-07-28 17:02 | 2026-07-25 | EOSE | Mastrangelo Joe | CEO, Dir | M - OptEx | $0.00 | +333.3K | 2.11M | +19% | $0 |
| D | 2026-07-28 17:02 | 2026-07-27 | EOSE | Mastrangelo Joe | CEO, Dir | S - Sale+OE | $3.61 | -159.2K | 1.95M | -8% | -$574.5K |
| D | 2026-07-28 17:02 | 2026-07-25 | EOSE | Mastrangelo Joe | CEO, Dir | M - OptEx | $0.00 | -333.3K | 333.3K | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-07-25 | M | A | 333,334 | $0.00 | 2,106,740 | D | — | — | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. |
| 2 | Common | Common Stock | 2026-07-27 | S | D | 159,154 | $3.61 | 1,947,586 | D | — | — | (F2) Represents shares withheld from vested restricted stock unit ("RSU") award to satisfy tax obligations, as permitted by the Company's Amended and Restated 2020 Incentive Plan. |
| 3 | Derivative | Restricted Stock Units | 2026-07-25 | M | D | 333,334 | $0.00 | 333,333 | D | — · — to — | 333,334 Common Stock | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. (F3) Not applicable. (F3) Not applicable. |