---
schema_version: "secwatch.filing_event.v1"
accession: "0000866291-22-000003"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2022-01-10T23:59:59+00:00"
generated_at: "2026-06-27T19:43:20.551286+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems appoints Derek D'Antilio as CFO; Paul Walsh retires

## Summary
- Paul Walsh retired as CFO effective Jan 10, 2022; will consult until Feb 4, then for one year.
- Derek D'Antilio appointed as SVP, CFO, Treasurer effective Jan 10; reports to CEO Ravi Vig.
- D'Antilio's base salary $400,000, target bonus 75% of base, $1.5M RSU grant, plus $125K signing bonus.
- D'Antilio previously CFO at Harvey Performance, IDEX Biometrics (Nasdaq listing), and MKS Instruments.
- Severance: D'Antilio gets 2x base salary + 2x target bonus plus COBRA up to 24 months if terminated without cause.

## SEC filing metadata
- accession: 0000866291-22-000003
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2022-01-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000086629122000003/0000866291-22-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000086629122000003/algm-20220107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866291-22-000003
- JSON: https://secwatch.observer/filing/0000866291-22-000003.json
- Plain text: https://secwatch.observer/filing/0000866291-22-000003.txt

## Key facts
- Executive change
  Derek P. D'Antilio was appointed as Senior Vice President, Chief Financial Officer and Treasurer at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Senior Vice President, Chief Financial Officer and Treasurer
  source text: On January 10, 2022, the Board of Directors (the “Board”) of the Company appointed Derek P. D’Antilio to serve as Senior Vice President, Chief Financial Officer and Treasurer of the Company, effective January 10, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629122000003/0000866291-22-000003-index.htm
- Executive change
  Paul Walsh retired as Senior Vice President, Chief Financial Officer and Treasurer at ALLEGRO MICROSYSTEMS, INC..
  - Action: retired
  - Role: Senior Vice President, Chief Financial Officer and Treasurer
  source text: On January 7, 2022, Paul Walsh notified Allegro MicroSystems, Inc. (the “Company”) that he would retire from his position as Senior Vice President, Chief Financial Officer and Treasurer of the Company, effective January 10, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629122000003/0000866291-22-000003-index.htm

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