---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-109070"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2024-09-24T23:59:59+00:00"
generated_at: "2026-05-31T02:13:11.375740+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Allegro completes Polar Semiconductor recapitalization, retains ~10.2% stake

## Summary
- Allegro contributed Polar equity and discharged ~$6.6M debt for ~10.2% ownership in Polar Parent.
- PS Investment Aggregator made $175M capital contributions to Polar in exchange for equity.
- Director Paul Carl 'Chip' Schorr IV resigned from board effective Sept 20, 2024; not due to disagreement.
- Sanken Electric remains largest ALGM stockholder (~32.5%); its director Katsumi Kawashima sits on Allegro board.
- New limited partnership agreement grants Allegro participation, approval, and information rights.

## SEC filing metadata
- accession: 0000950170-24-109070
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2024-09-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000095017024109070/0000950170-24-109070-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000095017024109070/algm-20240920.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-109070
- JSON: https://secwatch.observer/filing/0000950170-24-109070.json
- Plain text: https://secwatch.observer/filing/0000950170-24-109070.txt

## Key facts
- Executive change
  Paul Carl “Chip” Schorr IV resigned as Director at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Director
  source text: Paul Carl “Chip” Schorr IV notified the Board of his decision to resign from the Board and as a member of the Board’s Strategy Committee, effective September 20, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024109070/0000950170-24-109070-index.htm

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