Plug Power officer plans sale of 18,750 shares

PLUG POWER INC has a Form 144 notice filed on behalf of officer Benjamin Haycraft for a proposed sale of up to 18,750 shares of common stock, with an indicated aggregate market value of $38,625, through RBC Capital Markets LLC on or after September 15, 2026.

Rhea-AI Filing Summary

PLUG POWER INC has a Form 144 notice filed on behalf of officer Benjamin Haycraft for a proposed sale of up to 18,750 shares of common stock, with an indicated aggregate market value of $38,625, through RBC Capital Markets LLC on or after September 15, 2026.

The shares relate to common stock underlying awards that vested on July 31, 2026, and the filing notes that transactions are made pursuant to a Rule 10b5-1 trading plan established on June 11, 2026. The notice also reports a prior sale of 13,810 shares for $29,553 on September 11, 2026.

Key Figures

Shares proposed for sale: 18,750 shares Aggregate market value of proposed sale: $38,625 Shares sold in past 3 months: 13,810 shares +4 more

7 metrics

Shares proposed for sale 18,750 shares Common stock covered by the Form 144 notice

Aggregate market value of proposed sale $38,625 Value referenced for the 18,750 shares in the Form 144

Shares sold in past 3 months 13,810 shares Common stock sale on September 11, 2026

Value of shares sold in past 3 months $29,553 Aggregate value of 13,810 shares sold on September 11, 2026

Form 144 notice date September 15, 2026 Date the Form 144 notice was filed

Rule 10b5-1 plan adoption date June 11, 2026 Date the trading plan referenced in the remarks was established

RSU vesting date July 31, 2026 Vesting date associated with the common stock to be sold

Key Terms

Form 144, Rule 144, Rule 10b5-1 plan, RSU VEST, +1 more

5 terms

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Rule 10b5-1 plan regulatory

"SOLD PURSUANT TO A RULE 10B5-1 PLAN ESTABLISHED 6-11-26"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

RSU VEST financial

"COMMON | 07/31/2026 | RSU VEST | ISSUER"

aggregate market value financial

"18750 | 38625.00 | 1397195278"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the latest Form 144 filing mean for PLUG (PLUG POWER INC)?

The Form 144 gives notice that officer Benjamin Haycraft may sell up to 18,750 shares of PLUG POWER INC common stock, with an indicated value of $38,625, through RBC Capital Markets LLC, under a Rule 10b5-1 plan.

How many PLUG shares are covered by this Form 144 notice?

The notice covers up to 18,750 shares of PLUG POWER INC common stock, with an indicated aggregate market value of $38,625 as referenced in the filing.

When were the PLUG shares in this Form 144 acquired or vested?

The Form 144 states that the common stock to be sold is tied to awards that vested on July 31, 2026, identified in the filing as RSU VEST from the issuer.

What prior PLUG share sales by this holder are disclosed in the Form 144?

The filing reports that on September 11, 2026, 13,810 shares of PLUG POWER INC common stock were sold for an aggregate value of $29,553 during the past three months.

Is the PLUG Form 144 sale part of a Rule 10b5-1 trading plan?

Yes. The remarks state the sales are “SOLD PURSUANT TO A RULE 10B5-1 PLAN ESTABLISHED 6-11-26”, indicating use of a pre-established trading plan adopted on June 11, 2026.

Which broker is handling the potential Form 144 sales for PLUG stock?

The filing lists RBC Capital Markets LLC, located in Minneapolis, Minnesota, as the broker handling the potential sale of 18,750 shares of PLUG POWER INC common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/15/2026 - 01:38 PM Accepted by SEC EDGAR 09/15/2026 - 01:37 PM Learn about SEC filing dates

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	0002085249
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PLUG POWER INC
SEC File Number	001-34392
Address of Issuer	125 VISTA BOULEVARD SLINGERLANDS NEW YORK 12159
Phone	5187827700
Name of Person for Whose Account the Securities are To Be Sold	Haycraft Benjamin
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	Officer

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	18750	38625.00	1397195278	09/15/2026	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	07/31/2026	RSU VEST	ISSUER			18750	07/31/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
BENJAMIN HAYCRAFT C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL MINNEAPOLIS MN 55401	PLUG POWER INC	09/11/2026	13810	29553.00

144: Remarks and Signature

Remarks	SOLD PURSUANT TO A RULE 10B5-1 PLAN ESTABLISHED 6-11-26
Date of Notice	09/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/11/2026
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	POA / JEFFREY EISCHENS
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)