---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-054550"
form_type: "8-K"
ticker: "SEI"
cik: "0001697500"
company_name: "Solaris Energy Infrastructure, Inc."
filed_at: "2026-02-17T23:59:59+00:00"
generated_at: "2026-05-16T02:27:39.562803+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 Stephan Tompsett as CFO, effective Feb 12, 2026

## Summary
- Stephan Tompsett named CFO; previously CFO of Aris Water Solutions (Sept 2022–Oct 2025).
- Kyle Ramachandran ceases as CFO but remains President and head of Solaris Power Solutions.
- Tompsett's compensation terms not yet finalized; will be disclosed in a subsequent filing.
- Company entered into a standard indemnification agreement with Tompsett.
- Tompsett holds MBA from UT Austin; began career at JPMorgan as investment banker.

## SEC filing metadata
- accession: 0001193125-26-054550
- form_type: 8-K
- ticker: SEI
- cik: 0001697500
- company_name: Solaris Energy Infrastructure, Inc.
- filed_at: 2026-02-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1697500/000119312526054550/0001193125-26-054550-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1697500/000119312526054550/d66847d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-054550
- JSON: https://secwatch.observer/filing/0001193125-26-054550.json
- Plain text: https://secwatch.observer/filing/0001193125-26-054550.txt

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