| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Crespo Jose Luis | President & Chief Revenue Officer | C/O PLUG POWER INC., 125 VISTA BOULEVARD, SLINGERLANDS | /s/ Gerard L. Conway, Jr., Attorney-in-Fact | 17 Dec 2025 | 0001893770 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLUG | Common Stock | Purchase | $87,282 | +37,300 | +14% | $2.34 | 307,332 | 15 Dec 2025 | Direct | F1 |
| holding | PLUG | Common Stock | 61,300 | 15 Dec 2025 | By 401(k) Plan | F2 |
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
| Id | Content |
|---|---|
| F1 | This purchase was effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 13, 2025. |
| F2 | The Reporting Person holds 61,300 shares of common stock in Plug Power Inc.'s 401(k) plan. The information in this report is based on a plan statement as of December 17, 2025. |
President & Chief Revenue Officer