---
schema_version: "secwatch.filing_event.v1"
accession: "0001697500-23-000004"
form_type: "8-K"
ticker: "SEI"
cik: "0001697500"
company_name: "Solaris Energy Infrastructure, Inc."
filed_at: "2023-06-01T23:59:59+00:00"
generated_at: "2026-06-14T09:29:03.374277+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Solaris Oilfield CAO Lindsay Bourg resigns; Christopher Wirtz appointed successor

## Summary
- Lindsay Bourg resigned as Chief Accounting Officer, effective June 16, 2023, with no disagreement cited.
- Christopher Wirtz appointed CAO effective June 1, 2023; previously Controller, Proppant Segment at ProFrac.
- Wirtz brings 20+ years of CPA experience, including roles at U.S. Well Services and Ernst & Young.
- Company entered indemnification agreement and severance plan participation with Wirtz.

## SEC filing metadata
- accession: 0001697500-23-000004
- form_type: 8-K
- ticker: SEI
- cik: 0001697500
- company_name: Solaris Energy Infrastructure, Inc.
- filed_at: 2023-06-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1697500/000169750023000004/0001697500-23-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1697500/000169750023000004/soi-20230525x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001697500-23-000004
- JSON: https://secwatch.observer/filing/0001697500-23-000004.json
- Plain text: https://secwatch.observer/filing/0001697500-23-000004.txt

## Key facts
- Executive change
  Lindsay R. Bourg resigned as Chief Accounting Officer at Solaris Energy Infrastructure, Inc..
  - Action: resigned
  - Role: Chief Accounting Officer
  source text: On May 25, 2023, Lindsay R. Bourg submitted her resignation as Chief Accounting Officer of Solaris Oilfield Infrastructure, Inc. (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1697500/000169750023000004/0001697500-23-000004-index.htm
- Executive change
  Christopher P. Wirtz was appointed as Chief Accounting Officer at Solaris Energy Infrastructure, Inc..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: Effective June 1, 2023, Christopher P. Wirtz was appointed by the Board of Directors of the Company to serve as Chief Accounting Officer of the Company and will begin his service immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1697500/000169750023000004/0001697500-23-000004-index.htm

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