Jeffrey S. Bornstein, a director at Eos Energy Enterprises ($EOSE), made two open market sales of company shares in the last year, totaling $612,536. His most recent sale occurred on December 5, 2025. These transactions rank 6,029th among 11,678 insiders by sale value, well below the average of nearly $8.6 million across 6.37 sales per insider. Bornstein reported no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 5, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | S | Common Stock | 32328 | $15.05 | 117,259.0000 | 288,242,532 | 21.61% | 0.01% |
| Dec. 4, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | S | Common Stock | 8000 | $15.75 | 117,259.0000 | 288,242,532 | 6.39% | 0.00% |
| May 19, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | A | Restricted Stock Units | 30815 | $0.00 | 30,815.0000 | 226,599,297 | 9999.99% | 0.01% |
| May 14, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | M | Restricted Stock Units | 105263 | $0.00 | 0.0000 | 226,599,297 | 100.00% | 0.05% |
| May 14, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | D | Common Stock | 42105 | $6.94 | 157,586.0000 | 226,599,297 | 21.09% | 0.02% |
| May 14, 2025 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | M | Common Stock | 105263 | $0.00 | 199,691.0000 | 226,599,297 | 111.47% | 0.05% |
| Sept. 12, 2024 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | S | Common Stock | 132720 | $2.63 | 94,428.0000 | 0 | 58.43% | 0.00% |
| Sept. 12, 2024 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | S | Common Stock | 30000 | $2.62 | 94,428.0000 | 0 | 24.11% | 0.00% |
| July 25, 2024 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | A | Restricted Stock Units | 105263 | $0.00 | 105,263.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Kalaris Therapeutics, Inc. | $KLRS | Bornstein Jeffrey S | Not found | A | Common Stock | 35000 | $0.00 | 110,197.0000 | 0 | 46.54% | 0.00% |
| April 30, 2024 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | M | Common Stock | 32328 | $0.00 | 257,148.0000 | 0 | 14.38% | 0.00% |
| April 30, 2024 | Eos Energy Enterprises, Inc. | $EOSE | Bornstein Jeffrey S | Director | M | Restricted Stock Units | 32328 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |