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Plug Power8-K: COO change

Plug Power COO Dean C. Fullerton to resign effective October 23, 2026, creating an operational leadership vacuum.

What happened

The departure of a Chief Operating Officer often triggers a review of operational efficiency, supply chain management, and related technology systems.

Source

SEC EDGARSep 23, 2026

Current report (Form 8-K)

Plug Power 8-K

Filing excerpt

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.

sec.gov/Archives/edgar/data/1093691/000110465926110021/tm2626024d1_8k...Read the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: COO change

What this signalsA new leader often reviews the tools the team uses.

Form
8-K
Filed
Sep 23, 2026

The full record

From the Signal API record

Details

CIK
1093691
Accession number
0001104659-26-110021
Timeframe
Next quarter
Filing year
2026
Why it matters
Operations vendor review
Signal category
Leadership

Extraction

Confidence
High
Relevance
90%
Sentiment
Neutral
Detected
Sep 29, 2026
signal_type
sec-8k
signal_subtype
cooChange

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The API returns more than this page shows

This page shows a preview. The full sec-8k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/f82d0368-8d6a-4319-a0c7-d9667cf820a1 returns this record as JSON. POST /v1/companies/enrich returns every signal for plugpower.com.

{
  "signal_id": "f82d0368-8d6a-4319-a0c7-d9667cf820a1",
  "signal_type": "sec-8k",
  "signal_subtype": "cooChange",
  "detected_at": "2026-09-29T08:09:33.418+00:00",
  "company": {
    "name": "Plug Power",
    "domain": "plugpower.com"
  },
  "data": {
    "detail": "The departure of a Chief Operating Officer often triggers a review of operational efficiency, supply chain management, and related technology systems. With duties being temporarily transitioned to multiple VPs, there is a near-term opportunity to engage with leadership on solutions that can provide stability and improve performance during the transition.",
    "metrics": {
      "timeframe": "next_quarter"
    },
    "summary": "Plug Power COO Dean C. Fullerton to resign effective October 23, 2026, creating an operational leadership vacuum.",
    "excerpts": "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.",
    "relevance": 0.9,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1093691/000110465926110021/tm2626024d1_8k.htm",
    "filing_date": "2026-09-23",
    "filing_year": 2026,
    "sales_relevance": "Operations vendor review",
    "signal_category": "leadership"
  }
}

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