Ernest E. Maddock - 08 May 2026 Form 4 Insider Report for TERADYNE, INC (TER)

Reporting relationship: Director
Issuer ticker: TER
Reported as of: 08 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2026, 17:09:12 UTC
Prior SEC filing: 19 Mar 2026
Next SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Ryan E. Driscoll, Attorney-in-Fact

Key filing fact

Ernest E. Maddock filed Form 4 for TERADYNE, INC (TER) on 12 May 2026.

Key facts

This page summarizes Ernest E. Maddock's Form 4 filing for TERADYNE, INC (TER).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 May 2026, 17:09.

Change

Previous filing in this sequence was filed on 19 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001227050 Primary reporting owner

MADDOCK ERNEST E

Relationship: Director
Address: TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING
Signature: /s/ Ryan E. Driscoll, Attorney-in-Fact
Signature date: 12 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TER transaction

Common Stock

Award

Transaction value
Shares: +668
Change %: +7%
Price: $0.000000^*
Shares after: 10,265
Date: 08 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are time-based, and will vest in full on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders.