Bornstein Jeffrey S
SEC CIK 1579989 · EDGAR
BoughtSold
Most active insiders at EOSE, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Stidolph Russell Monoki | Dir | — | $11.47M |
| 2 | Mastrangelo Joe | CEO, Dir | $502.3K | $1.55M |
| 3 | Kroeker Nathan | Chief Commercial Off | — | $1.75M |
| 4 | Walters Marian | Dir | — | $1.28M |
| 5 | Silberman Michael W | CLO | — | $827.2K |
| 6 | Bornstein Jeffrey S | Dir | — | $612.5K |
| 7 | Puri Sumeet | CAO | — | $462.3K |
| 8 | Urban David | Dir | $100.1K | — |
| 9 | DIMITRIEF ALEXANDER | Dir | $90.6K | — |
| 10 | Buczkowski Michelle | Chief Administration Off | — | $67.3K |
Transactions 16
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-06 08:10 | 2026-07-21 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | M - OptEx | $5.48 | +9,558 | 143.8K | +7% | +$52.4K |
| D | 2026-05-19 19:31 | 2026-05-19 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | M - OptEx | $0.00 | +30.8K | 146.6K | +27% | $0 |
| D | 2026-05-19 19:31 | 2026-05-19 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | D - Sale to Iss | $6.88 | -12.3K | 134.2K | -8% | -$84.8K |
| 2025-12-08 | 2025-12-05 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | S - Sale | $15.05 | -32.3K | 115.8K | -22% | -$486.5K | |
| I | 2025-12-08 | 2025-12-04 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | S - Sale | $15.75 | -8,000 | 0 | -100% | -$126.0K |
| D | 2025-05-16 | 2025-05-14 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | D - Sale to Iss | $6.94 | -42.1K | 148.1K | -22% | -$292.2K |
| D | 2025-05-16 | 2025-05-14 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | M - OptEx | $0.00 | +105.3K | 190.2K | +124% | $0 |
| 2024-09-16 | 2024-09-12 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | S - Sale | $2.62 | -30.0K | 84.9K | -26% | -$78.6K | |
| I | 2024-09-16 | 2024-09-12 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | S - Sale | $2.63 | -132.7K | 7,999 | -94% | -$349.1K |
| 2024-06-07 | 2024-06-06 | KLRS | Kalaris Therapeutics, Inc. | Bornstein Jeffrey S | Dir | A - Grant | $0.00 | +35.0K | 110.2K | +47% | $0 | |
| D | 2024-05-02 | 2024-04-30 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | M - OptEx | $0.00 | +32.3K | 114.9K | +39% | $0 |
| D | 2023-05-17 | 2023-05-15 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | M - OptEx | $0.00 | +52.6K | 82.6K | +175% | $0 |
| 2023-05-12 | 2023-05-11 | KLRS | Kalaris Therapeutics, Inc. | Bornstein Jeffrey S | Dir | A - Grant | $0.00 | +35.0K | 75.2K | +87% | $0 | |
| 2022-11-14 | 2022-11-10 | EOSE | Eos Energy Enterprises, Inc. | Bornstein Jeffrey S | Dir | P - Purchase | $1.30 | +20.0K | 20.0K | New | +$26.0K | |
| 2022-04-28 | 2022-04-26 | KLRS | Kalaris Therapeutics, Inc. | Bornstein Jeffrey S | Dir | P - Purchase | $4.64 | +5,000 | 40.2K | +14% | +$23.2K | |
| 2022-02-10 | 2022-02-10 | KLRS | Kalaris Therapeutics, Inc. | Bornstein Jeffrey S | Dir | P - Purchase | $8.87 | +5,000 | 35.2K | +17% | +$44.3K |
Purchase Sale Sale after option exercise All abbreviations