---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-024103"
form_type: "8-K"
ticker: "TER"
cik: "0000097210"
company_name: "TERADYNE, INC"
filed_at: "2023-02-03T23:59:59+00:00"
generated_at: "2026-06-20T01:37:51.790769+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Teradyne CEO Mark Jagiela retires Feb 1, 2023; Gregory Smith succeeds as CEO

## Summary
- Mark Jagiela retired as CEO and Board member effective Feb 1, 2023.
- Gregory Smith appointed CEO effective Feb 1, 2023 and joined the Board.
- Jagiela's unvested RSUs and options continue vesting through Feb 1, 2026 under Retirement Agreement.
- Smith's Severance Agreement provides 24 months monthly severance, benefits, and equity vesting if terminated without cause.
- Retirement Agreement with Jagiela supersedes 2014 severance terms and includes non-compete through Feb 1, 2026.

## SEC filing metadata
- accession: 0001193125-23-024103
- form_type: 8-K
- ticker: TER
- cik: 0000097210
- company_name: TERADYNE, INC
- filed_at: 2023-02-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97210/000119312523024103/0001193125-23-024103-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97210/000119312523024103/d456143d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-024103
- JSON: https://secwatch.observer/filing/0001193125-23-024103.json
- Plain text: https://secwatch.observer/filing/0001193125-23-024103.txt

## Key facts
- Executive change
  Gregory S. Smith was appointed as Chief Executive Officer at TERADYNE, INC.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the Company appointed Gregory S. Smith the Chief Executive Officer of the Company effective February 1, 2023, replacing Mark E. Jagiela.
  evidence_url: https://www.sec.gov/Archives/edgar/data/97210/000119312523024103/0001193125-23-024103-index.htm

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