Insider trade

Director sold ~$140K of TER shares in the open market

Traded Sep 17, 2026 · Filed Sep 18, 2026

TeradyneTER

~$140K
Reported value · 400 sh @ $351.11: 14K
Holds after · shares reported: +17.7%
stock since the trade · S&P 500 +0.2%, $353.13 → $415.79 on Oct 1

Why it stands out

A board member of Teradyne sold $140K of Teradyne shares. It was planned long ago, so it says very little.

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 Ownership

All the details

Dates, kept separate

Transaction date: Sep 17, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 18, 2026

Director$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$140,444

Shares × reported transaction price

Timing vs results

50 days after results of Jul 29, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $353.13 on Sep 17, 2026, 197% above its 52-week low and 27% below its high, after a 9% drop over the previous 30 trading days

52-week range $118.82 (Sep 18, 2025) to $483.84 (Jun 30, 2026), 64% of the way up, from 251 adjusted closes. 30 trading days earlier: $389.39 on Aug 5, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+5.2%	-1.0%	+6.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0000904454-26-000487
Filed / recorded: Sep 18, 2026, 7:38 PM 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: Marilyn Matz
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 17, 2026
Transaction code: S
Shares / units: 400
Price per share: $351.11
Acquired / disposed: Disposed (D)
Shares owned after: 13,840.675
Ownership form: Direct
Amendment: No

Footnotes from the filing

The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person on February 13, 2026 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.