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AI brief of an SEC Form 8-K · Solaris Energy Infrastructure (SEI)

Solaris Energy names Amanda Brock co-CEO and director, effective October 16, 2025

Neutral Impact 4 of 5 leadership Written later

Solaris Energy Infrastructure appointed Amanda Brock as Co-Chief Executive Officer and as a director, effective October 16, 2025, to fill the board seat left vacant by the April 26, 2025 passing of F. Gardner Parker. She will serve alongside William A. Zartler, who remains a co-principal executive officer, so the company now has a shared CEO structure. Compensation terms for Brock are still being finalized and will be disclosed in a later filing.

Key points

  • Brock appointed Co-CEO and director effective October 16, 2025, serving alongside William A. Zartler.
  • Board seat fills the vacancy from the passing of F. Gardner Parker on April 26, 2025; her Class I term expires at the 2027 annual meeting.
  • Brock was President and CEO of Aris Water Solutions from September 2021 until October 2025.
  • Compensation terms are still being finalized and will be disclosed in a subsequent filing.

The filing

CompanySolaris Energy Infrastructure (SEI)
Form8-K, current report
Filed with the SECOct 17, 2025, 4:05 PM ET
Accession number0001193125-25-242490

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 2:07 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 17, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.