Teradyne, Inc.

TER · Technology · Teradyne, Inc. engages in the design, development, manufacture, and sale of automated test systems and robotics products in the United Stat…

Teradyne, Inc. (TER), in the Technology sector, has 28 disclosed filings on Paydirt over the trailing twelve months from 3 members of Congress and 6 corporate insiders: 2 purchases and 27 sales, 1 filed past the deadline (1 filing reported both). Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Oct 21 and filed Oct 22. The most active filer was Marilyn Matz with 9 filings. Data as of Nov 7 2026.

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Filings, ttm

2 buys · 27 sells · 1 late

Traders, ttm

3 congress · 6 insiders

Volume, ttmiDollar value disclosed in the window

$15.3M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Oct 21

Filed Oct 22

ADViAverage daily dollar volume

$1.4B

market data

Share price · 12M

$313 (+70.5%)

Adjusted for splits and dividends.

Volume by month

Buys $32K Sells $18.0M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months

Gregory Stephen Smith President and CEO 11 filings · 0 buys, 11 sales MM

Marilyn Matz Director 9 filings · 0 buys, 9 sales MJ

Mercedes Johnson Director 7 filings · 0 buys, 7 sales JJ

Julie Johnson Representative (Joint) 3 filings · 1 buy, 2 sales SM

Sanjay Mehta VP and Chief Financial Officer 3 filings · 0 buys, 3 sales LM

Lisa McClain Representative (Spouse) 2 filings · 2 buys, 1 sale AA

Alan Armstrong Senator (Joint) 1 filing · 1 buy, 0 sales RB

Richard John Burns President, Semiconductor Test 1 filing · 0 buys, 1 sale

All 12 filers

Ryan Driscoll VP, General Counsel, Secretary 1 filing · 0 buys, 1 sale RM

Regan Mills President, Product Test 1 filing · 0 buys, 1 sale SP

Shannon John Poulin President, Semiconductor Test 1 filing · 0 buys, 1 sale TT

Thomas H Tuberville Senator (Joint) 1 filing · 0 buys, 1 sale

Recent filings

Marilyn MatzSALE Director $140K
400 sh × $350.00
Exec Oct 21
Filed Oct 22 · 12:07 PM ET Gregory Stephen SmithSALE President and CEO $1.4M
4,000 sh × $341.28
Exec Oct 15
Filed Oct 19 · 11:42 AM ET Marilyn MatzSALE Director $273K
800 sh × $341.28
Exec Oct 15
Filed Oct 19 · 11:35 AM ET Marilyn MatzSALE Director $140K
400 sh × $351.11
Exec Sep 17
Filed Sep 18 · 11:38 AM ET Gregory Stephen SmithSALE President and CEO $1.4M
4,000 sh × $337.83
Exec Sep 15
Filed Sep 16 · 12:23 PM ET Marilyn MatzSALE Director $270K
800 sh × $337.83
Exec Sep 15
Filed Sep 16 · 12:19 PM ET Gregory Stephen SmithSALE President and CEO $1.7M
4,000 sh × $425.00
Exec Aug 17
Filed Aug 18 · 11:14 AM ET Marilyn MatzSALE Director $510K
1,200 sh × $425.00
Exec Aug 17
Filed Aug 18 · 11:09 AM ET Thomas H TubervilleSALE Senator (Joint) $8K
$1K–15K bracket
Exec May 3 2024
Filed Aug 5 Alan ArmstrongPURCHASE Senator $8K
$1K–15K bracket
Exec Mar 27
Filed Jul 21 † Gregory Stephen SmithSALE President and CEO $1.4M
4,000 sh × $356.31
Exec Jul 15
Filed Jul 16 · 1:22 PM ET Marilyn MatzSALE Director $428K
1,200 sh × $356.31
Exec Jul 15
Filed Jul 16 · 1:17 PM ET Gregory Stephen SmithSALE President and CEO $1.7M
4,000 sh × $423.03
Exec Jun 15
Filed Jun 16 · 5:30 PM ET Marilyn MatzSALE Director $508K
1,200 sh × $423.03
Exec Jun 15
Filed Jun 16 · 5:30 PM ET Marilyn MatzSALE Director $140K
400 sh × $350.00
Exec May 21
Filed May 26 · 5:30 PM ET Shannon John PoulinSALE President, Semiconductor Test $581K
1,664 sh across 2 lots
Exec May 21
Filed May 26 · 5:30 PM ET Marilyn MatzSALE Director $271K
800 sh × $338.98
Exec May 15
Filed May 19 · 5:30 PM ET Gregory Stephen SmithSALE President and CEO $2.9M
8,597 sh × $338.98
Exec May 15
Filed May 19 · 5:30 PM ET Ryan DriscollSALE VP, General Counsel, Secretary $257K
680 sh × $377.60
Exec May 7
Filed May 11 · 5:30 PM ET Mercedes JohnsonSALE Director $195K
625 sh × $312.20
Exec Apr 6
Filed Apr 7 · 5:30 PM ET Mercedes JohnsonSALE Director $187K
625 sh × $299.20
Exec Mar 5
Filed Mar 6 · 5:30 PM ET Regan MillsSALE President, Product Test $262K
788 sh × $332.87
Exec Feb 25
Filed Feb 27 · 5:30 PM ET Mercedes JohnsonSALE Director $167K
625 sh × $266.98
Exec Feb 5
Filed Feb 6 · 5:30 PM ET Mercedes JohnsonSALE Director $132K
625 sh × $211.85
Exec Jan 5
Filed Jan 6 · 5:30 PM ET Gregory Stephen SmithSALE President and CEO $223K
1,108 sh × $201.31
Exec Dec 12 2025
Filed Dec 15 2025 · 5:30 PM ET