---
schema_version: "secwatch.filing_event.v1"
accession: "0000866291-21-000034"
form_type: "8-K/A"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2021-07-21T23:59:59+00:00"
generated_at: "2026-06-30T03:55:56.713576+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems corrects director appointment date in 8-K/A

## Summary
- Correction of typographical error in appointment date of David Aldrich as director; original 8-K filed May 27, 2021.
- Aldrich elected to Board and Audit Committee on May 25, 2021, as Class II director until 2022 annual meeting.
- Board size increased from 10 to 11; Aldrich deemed independent and audit committee financial expert.
- Aldrich receives standard independent director fees, pro-rated annual cash and restricted stock award.

## SEC filing metadata
- accession: 0000866291-21-000034
- form_type: 8-K/A
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2021-07-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/0000866291-21-000034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/algm-20210525.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866291-21-000034
- JSON: https://secwatch.observer/filing/0000866291-21-000034.json
- Plain text: https://secwatch.observer/filing/0000866291-21-000034.txt

## Key facts
- Executive change
  David Aldrich was elected as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: elected
  - Role: Director
  source text: the Board increased its size from ten to eleven directors and elected David Aldrich to the Board and the Audit Committee, as a Class II Director, to serve until the Company’s 2022 annual meeting of stockholders and until his successor is duly elected and qualified.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/0000866291-21-000034-index.htm

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