Activity — Teradyne, Inc

40 moves.

Date	Actor	Action	Security	Value	Shares Δ	Position after	Impact
Jan 27, 2026	Smith Gregory Stephen CEO	Other	Common Stock	$7.31M	-31K -20.01%	122,339 0.08% of shares	low
Feb 2, 2026	Smith Gregory Stephen CEO	Other	Common Stock	$1.69M	-7K -5.55%	115,090 0.07% of shares	low
Feb 25, 2026	Mills Regan Executive	Sell	Common Stock	$262.3K	-788 -6.22%	11,889 <0.01% of shares	medium
Apr 6, 2026	Johnson Mercedes Director	Sell	Common Stock	$195.1K	-625 -8.94%	6,363 <0.01% of shares	medium
Mar 5, 2026	Johnson Mercedes Director	Sell	Common Stock	$187.0K	-625 -8.21%	6,988 <0.01% of shares	medium
Feb 5, 2026	Johnson Mercedes Director	Sell	Common Stock	$166.9K	-625 -7.59%	7,613 <0.01% of shares	medium
Jan 5, 2026	Johnson Mercedes Director	Sell	Common Stock	$132.4K	-625 -7.05%	8,238 <0.01% of shares	medium
Jan 28, 2026	Smith Gregory Stephen CEO	Other	Common Stock	$121.7K	-486 -0.40%	121,853 0.08% of shares	low
Feb 2, 2026	Driscoll Ryan Executive	Other	Common Stock	$103.3K	-414 -5.94%	6,561 <0.01% of shares	low
Feb 2, 2026	Hathout Jean Pierre Executive	Other	Common Stock	$95.1K	-381 -3.99%	9,170 <0.01% of shares	low
Feb 2, 2026	Mills Regan Executive	Other	Common Stock	$86.1K	-345 -2.87%	11,673 <0.01% of shares	low
Jun 2, 2026	Johnson Mercedes Director	Sell	Common Stock	$61.7K	-167 -2.38%	6,864 <0.01% of shares	low
Jan 27, 2026	Mills Regan Executive	Other	Common Stock	$46.1K	-193 -1.56%	12,185 <0.01% of shares	low
Jan 28, 2026	Mills Regan Executive	Other	Common Stock	$41.8K	-167 -1.37%	12,018 <0.01% of shares	low
Jan 27, 2026	Driscoll Ryan Executive	Other	Common Stock	$27.0K	-113 -1.58%	7,057 <0.01% of shares	low
Jan 28, 2026	Driscoll Ryan Executive	Other	Common Stock	$20.5K	-82 -1.16%	6,975 <0.01% of shares	low
May 8, 2026	Sayiner Necip Director	Grant	Common Stock	$0	+668 +31.33%	2,800 <0.01% of shares	low
Jun 12, 2026	Maddock Ernest E Director	Other	Common Stock	$0	+2 +0.02%	10,267 <0.01% of shares	low
May 8, 2026	Maddock Ernest E Director	Grant	Common Stock	$0	+668 +6.96%	10,265 <0.01% of shares	low
May 8, 2026	Johnson Mercedes Director	Grant	Common Stock	$0	+668 +10.50%	7,031 <0.01% of shares	low
Jun 25, 2026	Tufano Paul J Director	Grant	Common Stock	$0	+116 +0.18%	65,848 0.04% of shares	low
Jun 12, 2026	Tufano Paul J Director	Other	Common Stock	$0	+19 +0.03%	65,732 0.04% of shares	low
May 8, 2026	Tufano Paul J Director	Grant	Common Stock	$0	+668 +1.03%	65,713 0.04% of shares	low
Feb 4, 2026	Hathout Jean Pierre Executive	Grant	Common Stock	$0	+1K +10.95%	10,174 <0.01% of shares	low
Feb 4, 2026	Poulin Shannon John Executive	Grant	Common Stock	$0	+4K +34.91%	17,236 0.01% of shares	low
Feb 4, 2026	Mills Regan Executive	Grant	Common Stock	$0	+1K +8.60%	12,677 <0.01% of shares	low
Mar 26, 2026	Herweck Peter Director	Grant	Common Stock	$0	+92 +0.60%	15,466 <0.01% of shares	low
Mar 26, 2026	Tufano Paul J Director	Grant	Common Stock	$0	+159 +0.24%	65,045 0.04% of shares	low
Mar 26, 2026	Henry Andrew Chisholm Director	Grant	Common Stock	$0	+75 +3.52%	2,207 <0.01% of shares	low
Mar 13, 2026	Herweck Peter Director	Other	Common Stock	$0	+5 +0.03%	15,374 <0.01% of shares	low
Feb 4, 2026	Smith Gregory Stephen CEO	Grant	Common Stock	$0	+13K +11.63%	128,470 0.08% of shares	low
Jan 27, 2026	Smith Gregory Stephen CEO	Grant	Common Stock	$0	+59K +63.63%	152,949 0.10% of shares	low
Feb 4, 2026	Driscoll Ryan Executive	Grant	Common Stock	$0	+2K +27.19%	8,345 <0.01% of shares	low
Mar 13, 2026	Maddock Ernest E Director	Other	Common Stock	$0	+2 +0.02%	9,597 <0.01% of shares	low
Mar 13, 2026	Tufano Paul J Director	Other	Common Stock	$0	+25 +0.04%	64,886 0.04% of shares	low
Feb 4, 2026	Hathout Jean Pierre Executive	Grant	Stock Option (Right to Buy)	—	+886	886 <0.01% of shares	low
Feb 4, 2026	Poulin Shannon John Executive	Grant	Stock Option (Right to Buy)	—	+4K	3,937 <0.01% of shares	low
Feb 4, 2026	Mills Regan Executive	Grant	Stock Option (Right to Buy)	—	+886	886 <0.01% of shares	low
Feb 4, 2026	Smith Gregory Stephen CEO	Grant	Stock Option (Right to Buy)	—	+12K	11,810 <0.01% of shares	low
Feb 4, 2026	Driscoll Ryan Executive	Grant	Stock Option (Right to Buy)	—	+2K	1,575 <0.01% of shares	low