Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
May 21, 2026
Reporting period
Not applicable
Filed with the SEC
May 27, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references a pre-arranged trading plan (Rule 10b5-1)
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0000904454-26-000321
Filed / recorded
May 27, 2026, 1:23 AM UTC
Added to OQRO
Oct 2, 2026, 12:28 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
TERADYNE, INC
Issuer CIK
97210
Ticker
TER
Reporting person
Shannon John Poulin
Relationship
Officer
Officer title
President, Semiconductor Test
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
May 21, 2026
Transaction code
M
Shares / units
2,843
Price per share
$82.61
Acquired / disposed
Acquired (A)
Shares owned after
17,908.5779
Ownership form
Direct
Amendment
No
Footnotes from the filing
The reported transactions were effected pursuant to a sales plan adopted by the Reporting Person on February 19, 2026 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.