---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-048323"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2024-04-25T23:59:59+00:00"
generated_at: "2026-06-03T08:56:33.553602+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems to cut Polar stake to ~10.2% via $175M capital raise

## Summary
- PS Investment Aggregator and affiliate to contribute $175M to Polar for equity interests.
- Allegro's Polar stake expected to fall from 30% to ~10.2% after reorganization.
- Transaction conditional on Polar receiving ≥$310.7M in CHIPS Act funding or equivalent.
- Allegro and Sanken will convert ~$7.5M in Polar debt into equity pre-closing.
- Sanken (51% owner of Allegro) and Allegro currently own 70% and 30% of Polar, respectively.

## SEC filing metadata
- accession: 0000950170-24-048323
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2024-04-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000095017024048323/0000950170-24-048323-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000095017024048323/algm-20240425.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-048323
- JSON: https://secwatch.observer/filing/0000950170-24-048323.json
- Plain text: https://secwatch.observer/filing/0000950170-24-048323.txt

## Key facts
- Material Agreements
  ALLEGRO MICROSYSTEMS, INC. entered into Sale and Subscription Agreement with Sanken Electric Co., Ltd., Polar Semiconductor, LLC, and PS Investment Aggregator, L.P. valued at $175 million (effective 2024-04-25).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: Sanken Electric Co., Ltd., Polar Semiconductor, LLC, and PS Investment Aggregator, L.P.
  - Value: $175 million
  - Effective: 2024-04-25
  source text: On April 25, 2024, Allegro MicroSystems, Inc. (the “Company”), Sanken Electric Co., Ltd. (“Sanken”), Polar Semiconductor, LLC (“Polar”), and PS Investment Aggregator, L.P. (“Subscriber”) entered into a Sale and Subscription Agreement (the “Agreement”). Pursuant to the terms and conditions of the Agreement, in exchange for equity interests in Polar, Subscriber and an affiliate of Subscriber will make capital contributions to Polar of, in the aggregate, $175 million (the “Transaction”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000095017024048323/0000950170-24-048323-index.htm

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