Open report — full analysis, no account required.
Sign up to generate reports and read filings that aren't on the open list.
Get notified when PLUG files again. Create a free account and we'll email you the moment its next filing is analyzed.
Get filing alertsRed Flags Detected
- Resigning As Chief Operating Officer (new) — The Chief Operating Officer is departing the company, which is a material leadership change.
Plug Power COO Dean Fullerton resigns effective Oct 23 to take role at another company
Filed September 23, 2026 · Period ending September 17, 2026 · ~1 min read
Key Changes
-
high
Chief Operating Officer Dean C. Fullerton notified Plug Power on Sept 17 that he is resigning effective Oct 23, 2026, to accept a position at another company.
Item 5.02 verify on EDGAR → -
medium
The filing states the resignation was not due to any disagreement with the company, and Fullerton will assist in transitioning his duties to certain EVPs and VPs.
Item 5.02 verify on EDGAR →
Summary
Plug Power disclosed that Chief Operating Officer Dean C. Fullerton is leaving the company effective October 23, 2026, to take a position at another company. The company said the resignation was not due to any disagreement with Plug Power, and Fullerton will help transition his responsibilities to certain Executive Vice Presidents and Vice Presidents.
For investors, the departure of a senior operations leader is a notable event, particularly for a company in the capital-intensive hydrogen fuel cell space where execution is closely watched. The company has not yet named a successor, and the transition of duties to existing executives will be a key area to monitor as the effective date approaches.
Section-by-Section Diff
Event · Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation filed; see Key Changes for terms.
Added in current filing · verify on EDGAR →
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.
Plug Power's Chief Operating Officer, Dean C. Fullerton, is leaving the company effective October 23, 2026 to take a job elsewhere. The filing states the resignation was not due to any disagreement with the company. He will assist with transitioning his duties to certain Executive Vice Presidents and Vice Presidents.
Thanks — your feedback helps us improve report quality.
Figures/quotes linked to EDGAR · Narrative written by AI · Sep 23, 2026 · How we verify