George C. Mcnamee - 11 Jun 2026 Form 4 Insider Report for PLUG POWER INC (PLUG)

Reporting relationship: Director
Issuer ticker: PLUG
Reported as of: 11 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Jun 2026, 18:44:43 UTC
Prior SEC filing: 06 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Gerard L. Conway Jr., Attorney-in-Fact

Key filing fact

George C. Mcnamee filed Form 4 for PLUG POWER INC (PLUG) on 16 Jun 2026.

Key facts

This page summarizes George C. Mcnamee's Form 4 filing for PLUG POWER INC (PLUG).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Jun 2026, 18:44.

Change

Previous filing in this sequence was filed on 06 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001008001 Primary reporting owner

MCNAMEE GEORGE C

Relationship: Director
Address: C/O PLUG POWER INC., 125 VISTA BOULEVARD, SLINGERLANDS
Signature: /s/ Gerard L. Conway Jr., Attorney-in-Fact
Signature date: 16 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PLUG transaction

Common Stock

Award

Transaction value
Shares: +39,753
Change %: +4.8%
Price: $0.000000^*
Shares after: 873,282
Date: 11 Jun 2026
Ownership: Direct
Footnotes: F1

PLUG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 300,000
Date: 11 Jun 2026
Ownership: See Footnote
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PLUG transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +39,753
Change %
Price: $0.000000^*
Shares after: 39,753
Date: 11 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,753
Exercise price: $2.83
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote F2

Shares held by The McNamee Family Irrevocable Trust of 2020, for which the Reporting Person serves as trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Footnote F3

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.

Footnote F4

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.