[144] PLUG POWER INC SEC Filing

Rhea-AI Filing Summary

Form 144 notice for PLUG POWER INC (PLUG) reports a proposed sale of 10,972 common shares through RBC Capital Markets LLC on 09/16/2025 on the NASDAQ. The filing lists an aggregate market value of $17,445.00 and indicates 1,154,840,742 shares outstanding. The shares to be sold were acquired via Restricted Stock Unit vesting on 09/22/2022 (4,424 shares), 09/22/2023 (4,425 shares) and 10/17/2023 (2,123 shares), totaling the 10,972 shares in this notice. The filer reports no securities sold in the past three months and includes the standard representation that the seller does not possess undisclosed material adverse information.

Positive

• Full disclosure of sale details: broker, quantity, aggregate value, planned sale date, and exchange are provided
• Acquisition provenance documented: all shares trace to RSU vesting with dates and amounts matching the total
• No recent sales reported in the prior three months, which clarifies aggregated sale calculations under Rule 144

Negative

• None.

Insights

Securities Compliance Analyst

TL;DR Routine Rule 144 notice for vested RSUs; discloses broker, quantity, value, and planned sale date.

This Form 144 appears complete for a Rule 144 sale: it identifies the broker (RBC Capital Markets LLC), the class (common), the planned sale date (09/16/2025), the quantity (10,972 shares) and the aggregate market value ($17,445). The acquisition table documents that all shares derive from RSU vesting events, with acquisition dates and quantities matching the total. The filer also affirms no undisclosed material information and reports no sales in the prior three months. Based solely on the filing, there are no compliance red flags or missing mandatory fields.

Equity Capital Markets Specialist

TL;DR The sale size is immaterial relative to outstanding shares; this is a routine insider/participant liquidity event.

The 10,972-share position represents a vanishingly small fraction of the reported 1,154,840,742 shares outstanding, and the aggregate market value of $17,445 implies a modest, non-market-moving transaction. All shares originated from RSU vesting, indicating compensation-related liquidity rather than a purchase-derived disposition. From a market-impact standpoint, this filing is informational and not material to company capitalization or trading dynamics.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	10972	17445.00	1154840742	09/16/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	09/22/2022	RSU VEST	ISSUER			4424	09/22/2022	N/A
COMMON	09/22/2023	RSU VEST	ISSUER			4425	09/22/2023	N/A
COMMON	10/17/2023	RSU VEST	ISSUER			2123	10/17/2023	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does PLUG's Form 144 filed here disclose?

The filing discloses a proposed sale of 10,972 common shares via RBC Capital Markets LLC on 09/16/2025 on the NASDAQ, with aggregate market value $17,445.00.

How were the shares to be sold by PLUG acquired?

All shares were acquired through RSU vesting: 4,424 on 09/22/2022, 4,425 on 09/22/2023, and 2,123 on 10/17/2023.

Does the Form 144 report any securities sold in the past three months for PLUG?

No. The filing states "Nothing to Report" for securities sold during the past three months by the person for whose account the securities are to be sold.

What is the share count outstanding referenced in the Form 144 for PLUG?

The filing lists 1,154,840,742 shares outstanding.

Does this Form 144 indicate any undisclosed material information about PLUG?

The filer signs a representation that they do not know of any material adverse information about the issuer that has not been publicly disclosed.