Andrew Marsh - 01 Apr 2026 Form 4 Insider Report for PLUG POWER INC (PLUG)

Reporting relationship: Director
Issuer ticker: PLUG
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 10 Apr 2026, 17:35:21 UTC
Prior SEC filing: 16 Jun 2026
Next SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Gerard L. Conway Jr., Attorney-in-Fact

Key filing fact

Andrew Marsh filed Form 4 for PLUG POWER INC (PLUG) on 10 Apr 2026.

Key facts

This page summarizes Andrew Marsh's Form 4 filing for PLUG POWER INC (PLUG).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Apr 2026, 17:35.

Change

Previous filing in this sequence was filed on 16 Jun 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 0001431827 Primary reporting owner

Marsh Andrew

Relationship: Director
Address: C/O PLUG POWER INC., 125 VISTA BOULEVARD, SLINGERLANDS
Signature: /s/ Gerard L. Conway Jr., Attorney-in-Fact
Signature date: 10 Apr 2026

Reported non-derivative transactions

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

PLUG transaction

Common Stock

Award

Transaction value
Shares: +3,688
Change %: +0.43%
Price: $2.26^*
Shares after: 853,378
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1, F2

PLUG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 121,878
Date: 01 Apr 2026
Ownership: 401(k) Plan
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Compensation awarded to directors pursuant to Plug Power Inc.'s Non-Employee Director Compensation Plan.

Footnote F2

The Reporting Person's total holdings were previously reported as 930,546 shares. Such amount was overstated because prior reports reflected gross shares of common stock received as compensation pursuant to the Reporting Person's election to receive shares in lieu of cash compensation rather than net shares received after withholding for taxes. The Reporting Person's holdings have been revised to reflect net shares received after withholding for taxes, resulting in a reduction of 80,856 shares to 849,690 shares. After giving effect to the transaction reported herein, the Reporting Person's total holdings are 853,378 shares. This correction relates solely to prior reporting and does not reflect any additional or previously unreported transactions by the Reporting Person.

Footnote F3

The Reporting Person holds 121,878 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 April 9, 2026.