Updated Jul 16, 2026
Mastrangelo Joe has filed 3 SEC Form 4 filings across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $502K. Lifetime open-market sales: $1.62M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-07 | EOSE | Eos Energy Enterprises, Inc. | F — Tax withholding / forfeiture | 121.2K | $5.06 | $613K |
| 2026-07-07 | EOSE | Eos Energy Enterprises, Inc. | M — Option exercise | 254.3K | $0.00 | |
| 2026-06-30 | EOSE | Eos Energy Enterprises, Inc. | F — Tax withholding / forfeiture | 60.7K | $6.09 | $370K |
| 2026-06-30 | EOSE | Eos Energy Enterprises, Inc. | M — Option exercise | 130.6K | $0.00 | |
| 2026-06-15 | EOSE | Eos Energy Enterprises, Inc. | F — Tax withholding / forfeiture | 116.6K | $6.06 | $707K |
| 2026-06-15 | EOSE | Eos Energy Enterprises, Inc. | M — Option exercise | 200.0K | $1.34 | $268K |
| 2026-03-05 | EOSE | Eos Energy Enterprises, Inc. | P — Open-market purchase | 23.9K | $6.58 | $157K |
| 2026-03-03 | EOSE | Eos Energy Enterprises, Inc. | P — Open-market purchase | 60.0K | $5.75 | $345K |
| 2025-07-25 | EOSE | Eos Energy Enterprises, Inc. | S — Open-market sale | 166.7K | $5.94 | $990K |
| 2025-07-25 | EOSE | Eos Energy Enterprises, Inc. | M — Option exercise | 333.3K | $0.00 | |
| 2025-07-05 | EOSE | Eos Energy Enterprises, Inc. | S — Open-market sale | 127.2K | $4.92 | $626K |
| 2025-07-05 | EOSE | Eos Energy Enterprises, Inc. | M — Option exercise | 254.3K | $0.00 |
Mastrangelo Joe is a corporate insider — currently tracked as Chief Executive Officer, Director of Eos Energy Enterprises, Inc. (EOSE). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 2 open-market purchases ($502K) and 2 open-market sales ($1.62M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Mastrangelo Joe profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.