Welcome to our dedicated page for Plug Power SEC filings (Ticker: PLUG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Plug Power Inc. (NASDAQ: PLUG) files a range of documents with the U.S. Securities and Exchange Commission that shed light on its hydrogen-focused business, capital structure, and governance. On this page, investors can review PLUG’s key SEC filings and use AI-powered tools to interpret complex disclosures related to its integrated hydrogen ecosystem.
Plug’s proxy materials, such as the definitive proxy statement for a special meeting of stockholders, describe proposed amendments to the company’s charter. These include aligning voting standards with Section 242(d)(2) of the Delaware General Corporation Law and increasing authorized shares of common stock. The proxy explains why additional authorized shares are important for raising capital, meeting contractual obligations, and executing the company’s strategy.
Multiple Current Reports on Form 8-K detail material events, including a private offering of 6.75% Convertible Senior Notes due 2033, warrant and pre-funded warrant arrangements, amendments to an at-the-market sales agreement, and registration of shares underlying warrants. These filings outline how Plug refinances higher-cost debt, repurchases existing notes, and structures equity-linked securities to support working capital and general corporate purposes.
Other 8-K filings address topics such as leadership changes, investor symposiums, data center-related letters of intent, and hydrogen supply contracts, including Plug’s first liquid hydrogen award from NASA. Each filing provides specific terms, risk-related language, and descriptions of obligations that are important for understanding PLUG’s financial and operational commitments.
Through this SEC filings page, users can access PLUG’s 8-Ks, proxy statements, and other regulatory documents as they are made available via EDGAR. AI-driven summaries help explain technical sections on convertible notes, warrant structures, voting standards, and charter amendments, allowing investors to quickly identify the implications for dilution, financing flexibility, and governance.
Plug Power (PLUG) reported an insider equity award. A company director acquired 10,193 shares of common stock on 10/01/2025, recorded at a price of $2.33 per share. The filing states the award was granted as compensation under Plug Power Inc.'s Non-Employee Director Compensation Plan.
Following this transaction, the director beneficially owned 200,448 shares, held directly. The filing was made by one reporting person and lists the person’s relationship to the issuer as Director.
Plug Power Inc. director Colin M. Angle received 4,292 shares of common stock on 10/01/2025 under the company’s Non-Employee Director Compensation Plan at a price of $2.33 per share. Following this grant, the reporting person beneficially owns 100,843 shares. The Form 4 was filed as an individual filing and signed via attorney-in-fact on 10/03/2025. The filing states the shares were compensation awarded to directors and lists the reporting person’s address at Plug Power’s listed headquarters.
Gary K. Willis, a director of Plug Power Inc. (PLUG), acquired 13,948 shares of the company's common stock on 10/01/2025 at a price of $2.33 per share. After this transaction, Mr. Willis beneficially owned 673,857 shares. The filing states the acquisition was compensation awarded to directors under Plug Power's Non-Employee Director Compensation Plan.
The transaction was reported on Form 4 and executed via attorney-in-fact signature. The disclosure lists the acquisition as a non-derivative purchase and identifies the reporting person as filing individually. No additional sales, option exercises, or derivative activity are disclosed in this filing.
PLUG POWER INC director George C. McNamee reported a purchase of 10,998 shares of common stock on 10/01/2025 at a reported price of $2.33 per share, recorded on a Form 4 filed with a signature dated 10/03/2025. After the transaction he is shown as beneficially owning 820,521 shares directly and 300,000 shares indirectly through the McNamee Family Irrevocable Trust of 2020, for which he serves as trustee and disclaims beneficial ownership except to the extent of his pecuniary interest. The acquisition is disclosed as compensation under the company’s Non-Employee Director Compensation Plan and was reported by an attorney-in-fact.
Plug Power Inc. filed an update describing a change to its existing at-the-market equity program. The company already has an At Market Issuance Sales Agreement that allows it to offer and sell shares of its common stock, from time to time, through or to B. Riley Securities, Inc. for an aggregate gross sales price of up to $1.0 billion.
On September 29, 2025, Plug Power entered into Amendment No. 4 to this Sales Agreement to add Yorkville Securities, LLC as an additional sales agent and/or principal. All other material terms and conditions of the Sales Agreement remain unchanged, so the filing mainly expands the list of firms that can execute sales under the existing $1.0 billion at-the-market program.
Plug Power Inc. is updating its existing at-the-market offering program for its common stock having an aggregate offering price of up to $1,000,000,000. This supplement adds Yorkville Securities, LLC as an additional sales agent and/or principal alongside B. Riley Securities, Inc. under the existing Sales Agreement, allowing shares to be sold from time to time through either firm. The company’s common stock trades on the Nasdaq Capital Market under the symbol PLUG, and the last reported sale price was $2.27 per share on September 29, 2025.
Plug Power Inc. filed a current report describing a new prospectus supplement related to previously issued warrants. The company had sold warrants to purchase 185,430,464 shares of common stock with an exercise price of $2.00 per share, which expire on March 20, 2028, under an underwriting agreement with Oppenheimer & Co. Inc. and other underwriters.
Plug Power has now filed a prospectus supplement to its new automatic shelf registration statement on Form S-3 to register for resale the shares of common stock that may be issued when these warrants are exercised. The filing also includes a legal opinion from Goodwin Procter LLP on the validity of the shares issuable upon exercise of the warrants.
Plug Power filed a prospectus supplement to register up to 185,430,464 shares of common stock that may be issued upon exercise of warrants issued under a March 19, 2025 underwriting agreement. The warrants carry a $2.00 exercise price and expire on March 20, 2028. If exercised in full for cash, the Company would receive gross proceeds of $370,860,928. The prospectus supplement allows the identified selling stockholder and its successors to resell some or all of those shares in various public or private transactions and notes that sales could be at fixed, market, negotiated or varying prices. The filing discloses that Plug Power common stock trades under the symbol PLUG and reports a last sale price of $2.18 on September 19, 2025. The document reiterates that registration does not obligate the selling stockholder to sell any or all shares and highlights related risks under the heading Risk Factors.
Benjamin Haycraft, CSO & GM of EMEA at Plug Power, reported a sale of 10,972 shares of PLUG common stock on 09/16/2025 at $1.59 per share, leaving him with 477,583 shares beneficially owned. The filing states the sale was executed under a Rule 10b5-1 trading plan adopted on June 13, 2025. The Form 4 is signed by an attorney-in-fact on behalf of the reporting person.
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.
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