---
schema_version: "secwatch.filing_event.v1"
accession: "0000950103-23-011726"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2023-08-08T23:59:59+00:00"
generated_at: "2026-06-12T03:22:20.958103+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems to acquire Crocus Technology for $420M cash to boost TMR sensing

## Summary
- Purchase price: $420 million in cash; funded from existing cash and new debt issuance.
- Crocus is a leader in Tunnel Magnetoresistance (TMR) sensor technology with over 200 patents.
- TMR sensor market expected to approach $1B by 2030, growing at ~30% CAGR in auto and industrial.
- Transaction expected to close by end of calendar year 2023 subject to customary regulatory approvals.
- Allegro stockholders' approval not required; boards of both companies have approved.

## SEC filing metadata
- accession: 0000950103-23-011726
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2023-08-08T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/866291/000095010323011726/0000950103-23-011726-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000095010323011726/dp197539_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950103-23-011726
- JSON: https://secwatch.observer/filing/0000950103-23-011726.json
- Plain text: https://secwatch.observer/filing/0000950103-23-011726.txt

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