---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-277875"
form_type: "8-K"
ticker: "TER"
cik: "0000097210"
company_name: "TERADYNE, INC"
filed_at: "2022-11-04T23:59:59+00:00"
generated_at: "2026-06-22T07:31:46.275962+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Teradyne elects Ernest E. Maddock to Board of Directors effective Nov 14, 2022

## Summary
- Mr. Maddock appointed to Audit Committee; annual cash compensation of $90,000.
- Receives prorated RSU grant valued at $112,700, vesting at 2023 annual meeting.
- Over 35 years in tech industry; former CFO of Micron Technology (2015-2018) and LAM Research.
- Chairman cites alignment with Teradyne's long-term growth strategy in semiconductors and automation.

## SEC filing metadata
- accession: 0001193125-22-277875
- form_type: 8-K
- ticker: TER
- cik: 0000097210
- company_name: TERADYNE, INC
- filed_at: 2022-11-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/97210/000119312522277875/0001193125-22-277875-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/97210/000119312522277875/d373319d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-277875
- JSON: https://secwatch.observer/filing/0001193125-22-277875.json
- Plain text: https://secwatch.observer/filing/0001193125-22-277875.txt

## Key facts
- Executive change
  Ernest E. Maddock was elected as Director at TERADYNE, INC.
  - Action: elected
  - Role: Director
  source text: On November 2, 2022, the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) elected Ernest E. Maddock as a director of Teradyne effective November 14, 2022 and appointed him to the Board’s Audit Committee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/97210/000119312522277875/0001193125-22-277875-index.htm

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