Joe Mastrangelo is CEO at Eos Energy Enterprises, Inc. (EOSE). They have made 10 open-market trades across 1 company since 2022, most recently 2026-09-16.
CIK 0001833309
8 open-market purchases totalling $1.1M since 2022, against 2 sales. Across 8 scored buys the stock is up 7.2% at ninety days, and 2.7 points ahead of the S&P over the same stretch.
8 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| EOSE | 2,308,704 | $4.2M |
Shares reported on the most recent Form 4, priced at the 2026-09-16 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 13% | 50% | 63% |
| Avg Move | -4.3% | +6.2% | +7.2% |
| Alpha | -3.0% | +7.6% | +2.7% |
| Scored | 8 | 8 | 8 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| EOSE | SELL · 10b5-1 | 2026-09-16 | 2026-09-16 | $3.92 | $980K | -23.8% | -55.1% | — |
| EOSE | SELL | 2026-07-27 | 2026-07-28 | $3.61 | $575K | +24.5% | +2.2% | — |
| EOSE | BUY | 2026-03-04 | 2026-03-05 | $6.58 | $157K | -13.3% | -25.8% | +25.6% |
| EOSE | BUY | 2026-03-02 | 2026-03-03 | $5.75 | $345K | -7.8% | -19.5% | +44.6% |
| EOSE | SELL · 10b5-1 | 2025-07-29 | 2025-07-29 | $5.94 | $2.0M | +7.5% | +20.3% | +159.6% |
| EOSE | SELL · 10b5-1 | 2025-07-08 | 2025-07-08 | $4.92 | $1.3M | +21.3% | +35.5% | +186.4% |
| EOSE | SELL | 2025-05-16 | 2025-05-16 | $6.86 | $3.7M | -32.8% | -31.1% | -5.8% |
| EOSE | BUY | 2024-08-09 | 2024-08-12 | $1.43 | $76K | +44.9% | +54.5% | +49.7% |
| EOSE | BUY | 2023-09-21 | 2023-09-21 | $2.05 | $75K | -1.3% | -28.6% | -50.9% |
| EOSE | BUY | 2023-07-28 | 2023-07-28 | $2.23 | $139K | -14.7% | +30.1% | -40.1% |
| EOSE | BUY | 2022-11-10 | 2022-11-14 | $1.15 | $75K | -13.6% | -13.6% | +5.6% |
| EOSE | BUY | 2022-05-12 | 2022-05-12 | $1.40 | $98K | -25.0% | +17.1% | +76.3% |
| EOSE | BUY | 2022-03-01 | 2022-03-02 | $2.88 | $101K | -3.7% | +35.0% | -53.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.