4Filing Date: Jun 16, 2026
Plug Power
Statement of Changes in Beneficial Ownership
View SEC Filing
ACC: 0001104659-26-074763
Total Value$0
Trades2
Insiders1
Transaction Details
WILLIS GARY K
Director·Direct
Grant · Acquire
Common Stock
Shares+39.75K
Price$0.00
Total Value$0
Shares Owned After730.11K
Transaction DateJun 11, 2026
Footnotes ▸
Consists of a restricted stock award made pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. The restricted stock shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
WILLIS GARY K
Director·Direct
Grant · Acquire
Stock Option (Right to Buy)Derivative
Shares+39.75K
Price$0.00
Total Value$0
Shares Owned After39.75K
Transaction DateJun 11, 2026
ExpiresJun 11, 2036
Footnotes ▸
Stock option granted pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. | The options shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
Post-Transaction Holdings
WILLIS GARY K · Director
| Security | Shares | Change |
|---|---|---|
| Common Stock | 730.11K | +39.75K (5.76%) |
| Stock Option (Right to Buy) | 39.75K | +39.75K |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-06-11
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: PLUG POWER INC (PLUG)
CIK: 0001093691
--- Reporting Owner ---
Name: WILLIS GARY K
CIK: 0001121475
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-06-11 | Code: A (Grant or award)
Shares: +39,753 | Price: $0.00
Shares Owned After: 730,107 | Ownership: D (Direct)
Footnotes:
[F1] Consists of a restricted stock award made pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. The restricted stock shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
--- Derivative Transactions ---
[Transaction #1]
Security: Stock Option (Right to Buy)
Date: 2026-06-11 | Code: A (Grant or award)
Shares: +39,753 | Price: $0.00
Exercisable: N/A | Expires: 2036-06-11
Shares Owned After: 39,753 | Ownership: D (Direct)
Footnotes:
[F2] Stock option granted pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan.
[F3] The options shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
--- Footnotes (Complete Index) ---
F1: Consists of a restricted stock award made pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan. The restricted stock shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
F2: Stock option granted pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended, in accordance with the Non-Employee Director Compensation Plan.
F3: The options shall vest in full on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.
--- Signature ---
/s/ /s/ Gerard L. Conway Jr., Attorney-in-Fact (2026-06-16)