secwatch.observer — SEC 8-K summary
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Issuer:     ProPetro Holding Corp. (PUMP)
CIK:        0001680247
Form:       8-K
Filed at:   2026-06-01T20:16:36+00:00
Accession:  0001680247-26-000091
Event type: leadership
Sentiment:  neutral
Materiality: 0.30
Item codes: 5.02
LLM model:  deepseek-v4-flash:cloud@v2

Director Alex Volkov resigns from ProPetro board after Pioneer (Exxon) sells all shares
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- Alex V. Volkov resigned from the Board on May 28, 2026; Board reduced from 8 to 7 directors.
- Volkov was designated by Pioneer (Exxon subsidiary) under an Investor Rights Agreement.
- Pioneer sold all its remaining ProPetro shares on May 20, 2026, ending its designation rights.
- Resignation was not due to any disagreement with management or Board.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1680247/000168024726000091/0001680247-26-000091-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1680247/000168024726000091/pump-20260528.htm
  HTML page:      https://secwatch.observer/filing/0001680247-26-000091

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