---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-054030"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2023-10-19T23:59:59+00:00"
generated_at: "2026-06-09T21:26:26.622084+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems board member Reza Kazerounian retires; Mary Puma appointed

## Summary
- Reza Kazerounian retired from board and R&D committee effective Oct 15, 2023; no disagreement with company.
- Mary Puma elected to board as Class I director effective Oct 18, 2023, replacing Kazerounian.
- Puma is executive chair of Axcelis Technologies, with 40+ years tech experience including 25 in semiconductors.
- Puma appointed to R&D & Strategy and Compensation committees; designated by OEP and Sanken per stockholders agreement.
- Puma will receive standard independent director fees prorated from election date.

## SEC filing metadata
- accession: 0000950170-23-054030
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2023-10-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000095017023054030/0000950170-23-054030-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000095017023054030/algm-20231015.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-054030
- JSON: https://secwatch.observer/filing/0000950170-23-054030.json
- Plain text: https://secwatch.observer/filing/0000950170-23-054030.txt

## Key facts
- Executive change
  Reza Kazerounian retired as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: retired
  - Role: Director
  source text: On October 15, 2023, Reza Kazerounian notified the Board of Directors (the “Board”) of Allegro MicroSystems, Inc. (the “Company”) of his decision to retire from the Board and as Chairperson and member of the Board’s Research & Development and Strategy Committee, effective October 15, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017023054030/0000950170-23-054030-index.htm
- Executive change
  Mary G. Puma was elected as Class I Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: elected
  - Role: Class I Director
  source text: elected Mary G. Puma to the Board as Dr. Kazerounian’s successor as a Class I Director
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017023054030/0000950170-23-054030-index.htm

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