Dean C. Fullerton's departure as Chief Operating Officer of Plug Power Inc was reported, effective October 23, 2026; the filing names no successor. As of November 6, 2026, Plug Power Inc has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from June 4, 2026 to September 23, 2026, naming 2 departures (Form 8-K, September 23, 2026).
PLUG POWER INC announced the departure of its Chief Operating Officer on Sep 23. 30 companies changed executives this week.
Companies that just changed executives, and the new executive. Before you unlock: the company, the change and what is inside. After: the executive named with their role, how to reach the company, and a person's email only when we found one.
| John Hancock Comvest Private Income Fund | named a new Chief Financial Officer | |
| Bain Capital Specialty Finance, Inc. | named a new Director | |
| Azora Therapeutics, Inc. (DE) | named a new Director | |
| LASE Corp. | named a new Director | |
| Century Communities, Inc. | named a new Executive Chairman |
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Plug Power Inc reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-06-04 to 2026-09-23. They name 2 people. Every row below is cited to the filing it comes from, and this page adds each new change as Plug Power Inc files it.
Also on the record for Plug Power Inc
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| July 29, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 12.8% of the class | 5%+ stakes | Source |
| April 30, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 5.23% of the class | 5%+ stakes | Source |
| April 7, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 10.5% of the class | 5%+ stakes | Source |
| March 27, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| October 17, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 8.3% of the class | 5%+ stakes | Source |
| July 24, 2025 | Stake report, Schedule 13G/A, by Norges Bank | 0.4% of the class | 5%+ stakes | Source |
| July 17, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 7.2% of the class | 5%+ stakes | Source |
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More on Plug Power Inc and the records around it.
Plug Power Inc elsewhere on the record
Companies that share a holder
- Norges Bank also filed stake reports on 36 other companies: Atour Lifestyle Holdings Ltd (Aug 2026), BXP, Inc. (Aug 2026), Cabaletta Bio, Inc. (Aug 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-09-23 | Out | Chief Operating Officer | 2026-10-23 | 8-K, 2026-09-23 | |
| 2026-06-04 | Out | Director | 2026-06-11 | 8-K, 2026-06-04 |
Who leads Plug Power Inc, as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Operating Officer: Dean C. Fullerton, departure reported, effective 2026-10-23 (filed 2026-09-23). No successor is named in these filings.
- Director: Kavita Mahtani, departure reported, effective 2026-06-11 (filed 2026-06-04). No successor is named in these filings.
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Departing: Dean C. Fullerton, Chief Operating Officer, effective 2026-10-23
On September 17, 2026, Dean C. Fullerton notified Plug Power Inc., a Delaware corporation (the "Company"), that he will be resigning as Chief Operating Officer of the Company, effective October 23, 2026, to accept a position at another company.
- Mr. Fullerton's resignation was not due to any disagreement with the Company on any matter relating to its operations, policies, practices or otherwise known to any executive officer of the Company.
- Mr. Fullerton will assist with the transition of his duties to certain of the Company's Executive Vice Presidents and Vice Presidents.
- The Company thanks Mr. Fullerton for his contributions during his tenure and wishes him success in his future endeavors.
Departing: Kavita Mahtani, Director, effective 2026-06-11
On June 2, 2026, Kavita Mahtani, a Class I director of the Board of Directors (the "Board") of Plug Power Inc. (the "Company"), and member of the Board's Audit Committee and Strategy & Financing Committee, notified the Company of her decision to resign from the Board effective as of June 11, 2026.
- Ms. Mahtani has served on the Board since April 2022.
- Ms. Mahtani is stepping down to focus on the responsibilities associated with her recently announced executive position at Wells Fargo and her decision to resign from the Board is not the result of a disagreement with the Company on any matter relating to the Company's operations, policies or practices.
- The Company wishes to express its gratitude to Ms. Mahtani for her contribution to the Board.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.