---
schema_version: "secwatch.filing_event.v1"
accession: "0000815556-25-000077"
form_type: "8-K"
ticker: "FAST"
cik: "0000815556"
company_name: "FASTENAL CO"
filed_at: "2025-04-10T23:59:59+00:00"
generated_at: "2026-05-23T17:47:34.692702+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Fastenal appoints Sheryl Lisowski as interim CFO, effective April 17

## Summary
- Sheryl Lisowski, 57, previously EVP – Chief Accounting Officer and Treasurer, adds interim CFO role.
- Base salary increased from $320,000 to $440,000 effective April 17, 2025.
- Quarterly cash incentive bonus tied to pre-tax and net income growth over prior-year quarter.
- Appointment continues until a permanent CFO is named; no additional stock options granted.
- Lisowski previously served as interim CFO from Jan to Aug 2016.

## SEC filing metadata
- accession: 0000815556-25-000077
- form_type: 8-K
- ticker: FAST
- cik: 0000815556
- company_name: FASTENAL CO
- filed_at: 2025-04-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/815556/000081555625000077/0000815556-25-000077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/815556/000081555625000077/fast-20250410.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000815556-25-000077
- JSON: https://secwatch.observer/filing/0000815556-25-000077.json
- Plain text: https://secwatch.observer/filing/0000815556-25-000077.txt

## Key facts
- Executive change
  Sheryl A. Lisowski was appointed as interim Chief Financial Officer at FASTENAL CO.
  - Action: appointed
  - Role: interim Chief Financial Officer
  source text: appointed Sheryl A. Lisowski, the Company's Executive Vice President – Chief Accounting Officer and Treasurer, to serve in the additional role of interim Chief Financial Officer of the Company, effective April 17, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/815556/000081555625000077/0000815556-25-000077-index.htm

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