---
schema_version: "secwatch.filing_event.v1"
accession: "0000866291-23-000009"
form_type: "8-K"
ticker: "ALGM"
cik: "0000866291"
company_name: "ALLEGRO MICROSYSTEMS, INC."
filed_at: "2023-02-22T23:59:59+00:00"
generated_at: "2026-06-19T06:01:24.017271+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Allegro MicroSystems announces retirement of SVP Teebagy, appoints Webster as CAO

## Summary
- Thomas C. Teebagy, Jr. to retire as SVP of Operations and Quality effective June 2, 2023; resigns from role March 6, 2023.
- Teebagy receives $415,000 cash retention bonus, new RSU award, and health premium for 12 months post-retirement.
- Roald G. Webster appointed Vice President, Chief Accounting Officer effective March 20, 2023.
- Webster previously VP and Corporate Controller at Bruker Corporation; will receive signing bonus, deferred bonus, and RSUs.
- Webster's severance includes 1x base salary plus target bonus if terminated without cause or for good reason.

## SEC filing metadata
- accession: 0000866291-23-000009
- form_type: 8-K
- ticker: ALGM
- cik: 0000866291
- company_name: ALLEGRO MICROSYSTEMS, INC.
- filed_at: 2023-02-22T23:59:59+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/866291/000086629123000009/0000866291-23-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/866291/000086629123000009/algm-20230216.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000866291-23-000009
- JSON: https://secwatch.observer/filing/0000866291-23-000009.json
- Plain text: https://secwatch.observer/filing/0000866291-23-000009.txt

## Key facts
- Executive change
  Roald G. Webster was appointed as Vice President, Chief Accounting Officer at ALLEGRO MICROSYSTEMS, INC..
  - Action: appointed
  - Role: Vice President, Chief Accounting Officer
  source text: On February 16, 2023, the Board of Directors of the Company (the “Board”) appointed Roald G. Webster to serve as Vice President, Chief Accounting Officer of the Company, effective March 20, 2023 (the “Effective Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629123000009/0000866291-23-000009-index.htm
- Executive change
  Thomas C. Teebagy, Jr. resigned as Senior Vice President of Operations and Quality at ALLEGRO MICROSYSTEMS, INC..
  - Action: resigned
  - Role: Senior Vice President of Operations and Quality
  source text: Thomas C. Teebagy, Jr. informed Allegro MicroSystems, Inc. (the “Company”) that he will retire from the Company, effective June 2, 2023 (the “Retirement Date”) and resign from his position as Senior Vice President of Operations and Quality, effective March 6, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/866291/000086629123000009/0000866291-23-000009-index.htm

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