| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bornstein Jeffrey S | Director | C/O EOS ENERGY ENTERPRISES, INC., 3920 PARK AVENUE, EDISON | /s/ Michael Silberman as attorney-in-fact for Jeffrey Bornstein | 08 Dec 2025 | 0001579989 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | EOSE | Common Stock | Sale | $486,536 | -32,328 | -22% | $15.05 | 115,759 | 05 Dec 2025 | Direct | F1 |
| transaction | EOSE | Common Stock | Sale | $126,000 | -8,000 | -100% | $15.75 | 0 | 04 Dec 2025 | By Whipstick Ventures LLC | F2, F3 |
| holding | EOSE | Common Stock | 1,500 | 04 Dec 2025 | By Spouse |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.04 to $15.09, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.75 to $15.76, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. |
| F3 | The number of securities beneficially owned by Whipstick Ventures LLC has been adjusted by 1 share of common stock from what was previously erroneously reported for holdings. |