---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-242490"
form_type: "8-K"
ticker: "SEI"
cik: "0001697500"
company_name: "Solaris Energy Infrastructure, Inc."
filed_at: "2025-10-17T23:59:59+00:00"
generated_at: "2026-05-17T03:24:33.680483+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Solaris Energy Infrastructure appoints Amanda Brock as Co-CEO and director

## Summary
- Amanda Brock appointed Co-CEO alongside Chairman Bill Zartler, effective Oct. 16, 2025.
- Brock previously served as CEO of Aris Water Solutions until its sale to Western Midstream.
- Appointed to Board as Class I director, term expiring at 2027 annual meeting.
- Compensation terms still being finalized; eligible for CIC Plan Tier 1 benefits.

## SEC filing metadata
- accession: 0001193125-25-242490
- form_type: 8-K
- ticker: SEI
- cik: 0001697500
- company_name: Solaris Energy Infrastructure, Inc.
- filed_at: 2025-10-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1697500/000119312525242490/0001193125-25-242490-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1697500/000119312525242490/d29012d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-242490
- JSON: https://secwatch.observer/filing/0001193125-25-242490.json
- Plain text: https://secwatch.observer/filing/0001193125-25-242490.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.