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TER

Teradyne, Inc.

$249.55−14.20 (−5.38%)Close Nov 13, 2026

Insider trading

12 months to Nov 5, 2026
Sold
$15.9M
6 insiders
Largest seller
$10.9M
Gregory Stephen Smith · 68% of sales
Plan sales
$15.9M
100% of sales
Latest buy
Mar 15, 2024
Marilyn Matz

Buys and sales on the price

Since 2003

By period

Open-market trades
Trades3 months12 monthsSince 2003
Buys003
Sales1134354
Plan sales1134139
Shares bought00007,7017.70K
Shares sold16,10016.1K45,53845.5K6,929,2026.93M
Net shares−16,100−16.1K−45,538−45.5K−6,921,501−6.92M
Net value−$5.92M−$15.9M−$271M

Insiders

Insider12 monthsShares held
Gregory Stephen Smith
President and CEO, Director
−32.2%
104,495
Paul J. Tufano
Director
—
66,008
Ujjwal Kumar
President, Teradyne Robotics
—
16,369
as of Aug 5, 2025
Peter Herweck
Director
—
16,282
Shannon John Poulin
President, Semiconductor Test
−13.0%
15,722

Trades

357 trades since 2003
TypeInsiderRoleSharesPriceHeld after
Nov 2, 2026Plan sale
Mercedes JohnsonDirector
Director
Director
166
at $275.44
$275.44$45.7K
−2.1%
7.91K after
7,907
Oct 21, 2026Plan sale
Marilyn MatzDirector
Director
Director
400
at $350.00
$350.00$140K
−3.1%
12.6K after
12,641
Oct 15, 2026Plan sale
Gregory Stephen SmithPresident and CEO, Director
President and CEO, Director
President and CEO, Director
4,000
at $341.28
$341.28$1.37M
−3.7%
104K after
104,495
Oct 15, 2026Plan sale
Marilyn MatzDirector
Director
Director
800
at $341.28
$341.28$273K
−5.8%
13.0K after
13,041
Oct 1, 2026Plan sale
Mercedes JohnsonDirector
Director
Director
167
at $402.90
$402.90$67.3K
−2.0%
8.07K after
8,073
Sep 17, 2026Plan sale
Marilyn MatzDirector
Director
Director
400
at $351.11
$351.11$140K
−2.8%
13.8K after
13,841
Sep 15, 2026Plan sale
Gregory Stephen SmithPresident and CEO, Director
President and CEO, Director
President and CEO, Director
4,000
at $337.83
$337.83$1.35M
−3.6%
108K after
108,495
Sep 15, 2026Plan sale
Marilyn MatzDirector
Director
Director
800
at $337.83
$337.83$270K
−5.3%
14.2K after
14,241
Sep 1, 2026Plan sale
Mercedes JohnsonDirector
Director
Director
167
at $341.30
$341.30$57.0K
−2.0%
8.24K after
8,240
Aug 17, 2026Plan sale
Gregory Stephen SmithPresident and CEO, Director
President and CEO, Director
President and CEO, Director
4,000
at $425.00
$425.00$1.70M
−3.4%
112K after
112,495
  • Mercedes Johnson$45.7K
    Nov 2, 2026 · Plan sale166 at $275.44
    Director−2.1% of holdings, 7.91K after
  • Marilyn Matz$140K
    Oct 21, 2026 · Plan sale400 at $350.00
    Director−3.1% of holdings, 12.6K after
  • Gregory Stephen Smith$1.37M
    Oct 15, 2026 · Plan sale4,000 at $341.28
    President and CEO, Director−3.7% of holdings, 104K after
  • Marilyn Matz$273K
    Oct 15, 2026 · Plan sale800 at $341.28
    Director−5.8% of holdings, 13.0K after
  • Mercedes Johnson$67.3K
    Oct 1, 2026 · Plan sale167 at $402.90
    Director−2.0% of holdings, 8.07K after
  • Marilyn Matz$140K
    Sep 17, 2026 · Plan sale400 at $351.11
    Director−2.8% of holdings, 13.8K after
  • Gregory Stephen Smith$1.35M
    Sep 15, 2026 · Plan sale4,000 at $337.83
    President and CEO, Director−3.6% of holdings, 108K after
  • Marilyn Matz$270K
    Sep 15, 2026 · Plan sale800 at $337.83
    Director−5.3% of holdings, 14.2K after
  • Mercedes Johnson$57.0K
    Sep 1, 2026 · Plan sale167 at $341.30
    Director−2.0% of holdings, 8.24K after
  • Gregory Stephen Smith$1.70M
    Aug 17, 2026 · Plan sale4,000 at $425.00
    President and CEO, Director−3.4% of holdings, 112K after