---
schema_version: "secwatch.filing_event.v1"
accession: "0000866291-22-000020"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2022-06-21T23:59:59+00:00"
generated_at: "2026-06-25T00:39:46.734632+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Allegro expands board to 11, appoints new directors under amended stockholder agreement

## Summary
- Board size increased from 10 to 11; new stockholders agreement restates designation rights for OEP and Sanken.
- Sanken designates Katsumi Kawashima (Class I) and Kojiro Hatano (Class II) as directors; OEP designates Dunn and Schorr.
- OEP-Sanken Joint Director Reza Kazerounian added; OEP Independent directors include Aldrich, Lynch, Martin.
- Director Noriharu Fujita resigned effective June 20, 2022, not due to any disagreement with management.
- Kojiro Hatano, a Sanken designee, received ~$206k in compensation from Allegro in fiscal 2022, partially reimbursed by Sanken.

## SEC filing metadata
- accession: 0000866291-22-000020
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2022-06-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000086629122000020/0000866291-22-000020-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000086629122000020/algm-20220616.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866291-22-000020
- JSON: https://secwatch.observer/filing/0000866291-22-000020.json
- Plain text: https://secwatch.observer/filing/0000866291-22-000020.txt

## Key facts
- Executive change
  Noriharu Fujita resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: On June 16, 2022, Noriharu Fujita notified the Board of his decision to resign from the Board, effective June 20, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629122000020/0000866291-22-000020-index.htm
- Executive change
  Katsumi Kawashima was elected as Class I Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: elected
  - Role: Class I Director
  source text: elected Katsumi Kawashima to the Board as Mr. Fujita’s successor as a Class I Director, to serve until the Company’s 2024 annual meeting of shareholders and until his successor is duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629122000020/0000866291-22-000020-index.htm
- Executive change
  Kojiro Hatano was elected as Class II Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: elected
  - Role: Class II Director
  source text: elected Kojiro Hatano to the Board as a Class II Director, to serve until the Company’s 2022 annual meeting of shareholders and until his successor is duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629122000020/0000866291-22-000020-index.htm

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