---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-024818"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2024-03-04T23:59:59+00:00"
generated_at: "2026-06-05T05:10:40.498339+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Allegro board reshuffles as six directors resign and are re-appointed after OEP stake falls below 5%

## Summary
- Six directors (Aldrich, Dunn, Lynch, Martin, Puma, Schorr) resigned March 4 as OEP's ownership fell below 5% of ALGM shares.
- All six were immediately re-appointed to the same classes (I, II, III) and board committees with minor role changes.
- Joseph Martin added to Nominating and Governance Committee; Mary Puma appointed Chair of R&D and Strategy Committee.
- Board determined Aldrich, Lynch, and Martin are independent and audit committee financial experts.
- Unvested RSUs held by re-appointed directors were not forfeited and continue to vest at next annual meeting.

## SEC filing metadata
- accession: 0000950170-24-024818
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2024-03-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/algm-20240229.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-024818
- JSON: https://secwatch.observer/filing/0000950170-24-024818.json
- Plain text: https://secwatch.observer/filing/0000950170-24-024818.txt

## Key facts
- Executive change
  Andrew Dunn was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Mary Puma resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Andrew Dunn resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Paul Carl (Chip) Schorr IV resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Susan Lynch resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Joseph Martin resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  David Aldrich resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: David Aldrich, Andrew Dunn, Susan Lynch, Joseph Martin, Mary Puma and Paul Carl (Chip) Schorr IV tendered their resignations from the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Paul Carl (Chip) Schorr IV was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Joseph Martin was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  David Aldrich was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Susan Lynch was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm
- Executive change
  Mary Puma was appointed as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Director
  source text: the Board re-appointed: (i) Joseph Martin and Mary Puma as Class I directors; (ii) David Aldrich and Paul Carl (Chip) Schorr IV as Class II directors; and (iii) Andrew Dunn and Susan Lynch as Class III directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024024818/0000950170-24-024818-index.htm

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