Every Form 4 that Plug Power Inc. (PLUG) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow PLUG and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full PLUG filings page.
PLUG POWER INC (PLUG) reported that officer Benjamin Haycraft, its CSO & GM EMEA, sold 200,000 shares of common stock on September 18, 2026 in an open-market transaction at a weighted average price of $2.1415 per share. The sale was made pursuant to a Rule 10b5-1 trading plan adopted on June 11, 2026, and Haycraft now holds 101,249 shares directly.
PLUG POWER INC (PLUG) reported that officer Benjamin Haycraft, its CSO & GM EMEA, sold company common stock in two open-market transactions. He sold 18,750 shares at $2.06 per share on September 15, 2026 and 13,810 shares at $2.14 per share on September 11, 2026, totaling 32,560 shares. A footnote states these sales were made under a Rule 10b5-1 trading plan adopted on June 11, 2026.
Kenausis Gregory reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. director Gregory Kenausis received a grant of 3,980 shares of Common Stock as compensation. The shares were awarded at a value of $2.71 per share under Plug Power Inc.'s Non-Employee Director Compensation Plan. Following this award, Kenausis directly holds 514,412 shares of Plug Power common stock.
Joggerst Patrick reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. director Patrick Joggerst received an equity grant of 7,644 shares of common stock. The shares were awarded at a price of $2.71 per share as compensation under Plug Power Inc.'s Non-Employee Director Compensation Plan. Following this grant, Joggerst directly holds 253,184 shares of Plug Power common stock. This is a routine, compensation-related award rather than an open-market purchase or sale.
Haycraft Benjamin reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. reported that CSO & GM EMEA Benjamin Haycraft received two stock option awards as part of equity compensation. He was granted 362,694 options to buy common stock at $2.83 per share and 357,143 options at $2.57 per share, both expiring on June 25, 2036. The footnotes state these options were awarded under Plug Power’s 2021 Stock Option and Incentive Plan and will vest in three equal annual installments following the grant date, contingent on his continued service. These are compensation-related grants, not open-market purchases or sales.
BONNEY MARK J reported acquisition or exercise transactions in this Form 4 filing.
PLUG POWER INC director Mark J. Bonney received a grant of 8,764 shares of common stock as director compensation. The shares were valued at $2.71 per share on the grant date. Following this award, he directly holds 271,530 shares of Plug Power common stock.
Angle Colin M reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. director Colin M. Angle received an award of 3,558 shares of Common Stock, granted as compensation under the company’s Non-Employee Director Compensation Plan. The shares were valued at $2.71 per share on the grant date, and his direct holdings increased to 153,102 shares following this transaction.
Plug Power Inc. director Andrew Marsh reported a grant of 72,469 stock options as equity compensation. The options allow him to buy 72,469 shares of common stock at an exercise price of $2.71 per share and expire on June 30, 2036.
The award was granted under Plug Power’s 2021 Stock Option and Incentive Plan and issued pursuant to a Transitional Consulting Agreement that provides for quarterly equity awards. These options vest in three equal annual installments starting on the first anniversary of the grant date, contingent on his continued service.
Plug Power Inc. reported that CFO and Executive VP Paul B. Middleton received new equity-based compensation. He was granted 389,105 shares of common stock as a restricted stock award under the company’s 2021 Stock Option and Incentive Plan. These shares vest in three equal annual installments following the grant date, contingent on his continued service.
Middleton was also granted a stock option for 510,204 shares of common stock at an exercise price of $2.57 per share, expiring on June 25, 2036, which will vest in three equal annual installments on the same continued-service terms. Following these awards, he directly holds 2,947,169 shares of common stock and indirectly holds 64,492 shares in Plug Power’s 401(k) plan based on a statement as of June 29, 2026.
Plug Power Inc. reported that executive Gerard L. Conway Jr., its General Counsel, Corporate Secretary and Executive Vice President, received two new stock option awards. He was granted options covering 362,694 shares of common stock at an exercise price of $2.83 per share and options covering 357,143 shares at an exercise price of $2.57 per share.
Both option grants were awarded under Plug Power Inc.'s 2021 Stock Option and Incentive Plan, as amended, and each grant is scheduled to vest in three equal annual installments after the grant date, conditioned on his continued service with the company through each vesting date. Following these awards, the reported holdings for each respective option series match the granted amounts, indicating newly established positions rather than exercises of existing options.
PLUG POWER INC's Chief Operating Officer, Dean Fullerton, received two new stock option awards. One option covers 414,508 shares of common stock at an exercise price of $2.83 per share, and the other covers 408,163 shares at an exercise price of $2.57 per share.
Both options were granted at no cost on the grant date and expire on June 25, 2036. According to the award terms, the underlying shares for each option vest in three equal annual installments following the grant date, provided Fullerton continues in service on each vesting date.
Plug Power Inc. officer Jose Luis Crespo received two large stock option awards as equity compensation. On June 25, 2026, he was granted stock options to buy 777,202 shares of common stock at an exercise price of $2.83 per share and a separate grant for 765,306 shares at an exercise price of $2.57 per share. Both option awards were granted under Plug Power Inc.'s 2021 Stock Option and Incentive Plan and expire on June 25, 2036. The options vest in three equal annual installments after the grant date, conditioned on his continued service, and represent an acquisition of derivative securities rather than any open‑market stock purchase or sale.
PLUG POWER INC director Andrew Marsh received two stock option awards as compensation. On March 31, 2026, he was granted 87,260 options for Common Stock at an exercise price of $2.26 per share, expiring on March 31, 2036.
On March 2, 2026, he received a separate grant of 163,638 options at an exercise price of $1.81 per share, expiring on March 2, 2036. One grant is a one-time equity award vesting in full on March 2, 2027, and the other vests in three equal annual installments starting on the first anniversary of its grant.
PLUG POWER INC director Gary K. Willis received new equity compensation. He was granted 39,753 shares of restricted common stock and a stock option for 39,753 shares at an exercise price of $2.83 per share. Both awards were made under Plug Power’s 2021 Stock Option and Incentive Plan and its Non-Employee Director Compensation Plan.
The restricted stock and the options each vest in full on the first anniversary of the June 11, 2026 grant date, conditioned on his continued service as a director. Following the restricted stock grant, Willis directly holds 730,107 common shares, and holds the newly granted option for 39,753 shares expiring on June 11, 2036.
PLUG POWER INC director George C. McNamee reported routine equity compensation grants. He received a restricted stock award of 39,753 common shares and a matching stock option for 39,753 shares at an exercise price of $2.83 per share under the company’s 2021 Stock Option and Incentive Plan.
The restricted shares and options each vest in full on the first anniversary of the June 11, 2026 grant date, subject to his continued service. Following these awards, he holds 873,282 common shares directly and 39,753 options, plus 300,000 shares held indirectly through The McNamee Family Irrevocable Trust of 2020.
Plug Power director Gregory Kenausis received new equity compensation. He was granted 39,753 shares of restricted common stock and a stock option for 39,753 shares at an exercise price of $2.83 per share. Both awards vest in full one year after the grant date, contingent on his continued board service. Following the grant, he directly holds 510,432 common shares.
PLUG POWER INC director Patrick Joggerst reported new equity awards. He received a restricted stock award of 39,753 shares of Common Stock under the 2021 Stock Option and Incentive Plan, in line with the Non-Employee Director Compensation Plan.
The restricted stock vests in full on the first anniversary of the June 11, 2026 grant date, subject to his continued board service. He was also granted a stock option for 39,753 shares at an exercise price of $2.83 per share, expiring on June 11, 2036, which also vests in full after one year. Following these awards, he directly holds 245,540 shares of Common Stock.
Plug Power Inc. director Maureen O. Helmer received new equity compensation. She was granted 39,753 shares of common stock as a restricted stock award and 39,753 stock options with an exercise price of $2.83 per share under Plug Power’s 2021 Stock Option and Incentive Plan.
The restricted stock and options each vest in full on the first anniversary of the June 11, 2026 grant date, contingent on her continued board service. After this award, she directly owns 361,318 shares of common stock and holds 39,753 stock options.
Plug Power director Mark J. Bonney received new equity awards. On June 11, 2026, he was granted 39,753 shares of common stock as a restricted stock award under Plug Power Inc.’s 2021 Stock Option and Incentive Plan and Non-Employee Director Compensation Plan.
The restricted stock vests in full on the first anniversary of the grant date, subject to his continued board service. He also received stock options for 39,753 shares of common stock at an exercise price of $2.83 per share, expiring on June 11, 2036, which vest in full after one year. Following these grants, Bonney directly holds 262,766 common shares.
PLUG POWER INC director Colin M. Angle reported equity awards tied to his board service. He received a grant of 39,753 shares of restricted common stock under the company’s 2021 Stock Option and Incentive Plan and Non-Employee Director Compensation Plan.
Angle also received stock options for 39,753 shares of common stock at an exercise price of $2.83 per share, expiring on June 11, 2036. Both the restricted stock and options vest in full on the first anniversary of the June 11, 2026 grant date, subject to his continued service. Following the grant, he directly holds 149,544 shares of common stock.
PLUG POWER INC director Maureen O. Helmer reported an open-market sale of 50,000 shares of common stock at a weighted average price of $3.2324 per share. After this transaction, she directly holds 321,565 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 9, 2026, indicating it was scheduled in advance rather than timed opportunistically.
Kenausis Gregory reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. director Gregory Kenausis received an equity grant of 8,712 shares of Common Stock on April 1, 2026. The grant is described as compensation awarded to directors under Plug Power Inc.'s Non-Employee Director Compensation Plan, meaning it is part of regular board pay rather than an open-market purchase. Following this award, Kenausis directly holds 470,679 shares of Plug Power common stock.
Mahtani Kavita reported acquisition or exercise transactions in this Form 4 filing.
Plug Power Inc. director Kavita Mahtani received a grant of 9,956 shares of Common Stock as compensation. The award was made on April 1, 2026 under Plug Power Inc.'s Non-Employee Director Compensation Plan at a reported price of $2.26 per share.
Following this grant, Mahtani directly holds 239,847 shares of Plug Power Common Stock. This is a compensation-related equity award, not an open-market purchase, and represents a routine adjustment in her equity-based director compensation.
Angle Colin M reported acquisition or exercise transactions in this Form 4 filing.
PLUG POWER INC director Colin M. Angle received a stock award of 3,872 shares of common stock as compensation. The shares were granted at a value of $2.26 per share under Plug Power Inc.'s Non-Employee Director Compensation Plan. Following this equity grant, Angle directly holds 109,791 shares of Plug Power common stock.
BONNEY MARK J reported acquisition or exercise transactions in this Form 4 filing.
PLUG POWER INC director Mark J. Bonney received a grant of 10,509 shares of Common Stock as compensation. The shares were awarded at a price of $2.26 per share under Plug Power Inc.'s Non-Employee Director Compensation Plan. Following this equity award, Bonney directly holds 223,013 shares of Plug Power common stock.
Joggerst Patrick reported acquisition or exercise transactions in this Form 4 filing.
PLUG POWER INC director Patrick Joggerst received a grant of 8,850 shares of Common Stock as compensation. The shares were awarded on April 1, 2026 under Plug Power Inc.'s Non-Employee Director Compensation Plan at a reported price of $2.26 per share.
Following this equity award, Joggerst directly holds 205,787 shares of Plug Power common stock. This transaction reflects a compensation-related share grant rather than an open-market purchase or sale.
Marsh Andrew reported acquisition or exercise transactions in this Form 4 filing.
PLUG POWER INC director Andrew Marsh received a stock grant and corrected prior share counts. He was awarded 3,688 shares of common stock at $2.26 per share as compensation under Plug Power’s Non-Employee Director Compensation Plan, bringing his directly held shares to 853,378.
Previous reports had overstated his direct holdings; they included gross shares instead of net shares after tax withholding on stock compensation. Those prior holdings were revised down by 80,856 shares to 849,690 before this grant. Marsh also holds 121,878 Plug Power shares in the company’s 401(k) plan, based on a statement as of April 9, 2026.
Plug Power officer reports planned stock sale
Plug Power Inc. executive Benjamin Haycraft, the company’s CSO & GM EMEA, reported selling 40,000 shares of Plug Power common stock on January 12, 2026. The shares were sold at a price of $2.17 per share, according to the Form 4 filing.
The transaction was executed under a Rule 10b5-1 trading plan that Haycraft adopted on June 13, 2025, which is designed to allow pre-scheduled trades. After this sale, Haycraft beneficially owns 333,809 shares of Plug Power common stock.
Plug Power Inc. director George C. McNamee reported a stock award of 13,008 shares of common stock on January 2, 2026. The shares were granted at $1.97 per share as compensation under Plug Power Inc.'s Non-Employee Director Compensation Plan. Following this award, he beneficially owns 833,529 shares of Plug Power common stock in direct form. An additional 300,000 shares are held by 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.
Plug Power Inc. director Gregory Kenausis reported receiving 9,994 shares of common stock as equity compensation. The award was granted on 01/02/2026 at a price of $1.97 per share under Plug Power Inc.'s Non-Employee Director Compensation Plan.
After this grant, Kenausis directly beneficially owned 461,967 shares of Plug Power common stock. The filing is a Form 4, which discloses changes in the director’s ownership of the company’s equity.
Plug Power Inc. director Maureen O. Helmer reported receiving 13,959 shares of common stock on January 2, 2026 as director compensation. The shares were awarded under Plug Power Inc.'s Non-Employee Director Compensation Plan at a reported price of $1.97 per share. Following this grant, she beneficially owns 371,565 shares of Plug Power common stock in direct ownership.
Plug Power director Colin M. Angle reported a stock award from the company. On January 2, 2026, he acquired 5,076 shares of common stock at a value of $1.97 per share, coded as an acquisition. The filing states this was compensation awarded to directors under Plug Power Inc.'s Non-Employee Director Compensation Plan, meaning it is a routine equity grant for board service rather than an open-market purchase. After this award, Angle directly owned 105,919 shares of Plug Power common stock.
Plug Power Inc. director Gary K. Willis reported receiving an equity award of Plug Power common stock. On January 2, 2026, he acquired 16,497 shares of common stock at a reported price of $1.97 per share, coded as an acquisition. The footnote states this was compensation awarded to directors under Plug Power Inc.'s Non-Employee Director Compensation Plan, meaning it reflects routine director pay in stock rather than an open-market purchase or sale. Following this grant, Willis directly beneficially owns 690,354 shares of Plug Power common stock.
Plug Power Inc. officer and President & Chief Revenue Officer reported buying company stock. On 12/15/2025, the reporting person purchased 37,300 shares of Plug Power common stock at a price of $2.34 per share in an open market transaction coded as a purchase.
This trade was made under a Rule 10b5-1 trading plan that was adopted on March 13, 2025. After this transaction, the reporting person beneficially owned 307,332 shares of Plug Power common stock directly, and also held 61,300 shares in Plug Power Inc.'s 401(k) plan based on a plan statement as of December 17, 2025.
Plug Power Inc. officer and CSO & GM EMEA reported several personal transactions in the company’s common stock. On 10/10/2025, the reporting person sold 10,000 shares at $3.80 per share, and on 12/10/2025 sold an additional 40,000 shares at $2.20 per share, both noted as sales under a Rule 10b5-1 trading plan adopted on June 13, 2025. On 10/17/2025 and 11/07/2025, a total of 7,817 and 35,957 shares, respectively, were tendered to Plug Power to satisfy tax withholding obligations related to vesting of restricted stock awards at reference prices of $3.48 and $2.51 per share under the company’s 2021 Stock Option and Incentive Plan. After these transactions, the reporting person beneficially owns 373,809 Plug Power common shares directly.
Plug Power Inc. (PLUG) reported an insider transaction by its CEO and director. On 10/31/2025, he acquired 9,415 shares of common stock at $2.69 per share, issued as fully vested stock under the company’s 2021 Stock Option and Incentive Plan pursuant to an election to receive a portion of salary and bonus in shares.
Following the transaction, beneficial ownership stood at 918,343 shares held directly, and 115,464 shares held indirectly through Plug Power’s 401(k) plan based on a plan statement as of October 31, 2025.
Plug Power Inc. director and chief executive officer Andrew Marsh received 18,324 shares of the company's common stock on 10/03/2025 as part of an executive compensation election to take a portion of base salary and bonus in stock under the Plug Power Inc. 2021 Stock Option and Incentive Plan. The shares were fully vested upon grant and were issued at a reported price of $3.81 per share. After this grant, Mr. Marsh beneficially owns 908,928 shares directly and holds an additional 115,464 shares indirectly through the company 401(k) plan (plan statement dated 09/12/2025). The Form 4 was signed by an attorney-in-fact on 10/07/2025.
Plug Power Inc. (PLUG) director reports stock acquisition. On 10/01/2025, a director acquired 9,657 shares of common stock at $2.33 per share. The filing states the shares were awarded as compensation under Plug Power Inc.'s Non-Employee Director Compensation Plan.
Following this transaction, the director beneficially owns 218,470 shares, held directly.
Plug Power Inc. (PLUG) director Gregory Kenausis received 8,450 shares of common stock as compensation on 10/01/2025 at a reported price of $2.33 per share under the company's Non-Employee Director Compensation Plan. After the award, Mr. Kenausis beneficially owns 451,973 shares. The Form 4 was filed as a single reporting person filing and signed by an attorney-in-fact on 10/03/2025. The filing records a standard director compensation grant rather than an open-market purchase.
Patrick Joggerst, a Director of Plug Power Inc. (PLUG), reported an acquisition on 10/01/2025 of 8,584 shares of common stock at a price of $2.33 per share. The filing shows these shares were issued as compensation under Plug Power's Non-Employee Director Compensation Plan. After the transaction, Mr. Joggerst beneficially owned 186,785 shares. The Form 4 was signed by an attorney-in-fact on 10/03/2025.
Maureen O. Helmer, a director of Plug Power Inc. (PLUG), received 11,803 shares of common stock on 10/01/2025 as compensation under the company’s Non-Employee Director Compensation Plan. The reported acquisition price per share is $2.33, and following the award she beneficially owns 357,606 shares. The Form 4 was signed by an attorney-in-fact on 10/03/2025. The filing indicates the transaction was a non-derivative, compensatory award to a director and does not disclose any exercised options, dispositions, or changes to derivative holdings.
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.