Catherine Corrigan Exponent Inc (EXPO) insider trading activity

Catherine Corrigan is President & CEO of EXPONENT INC. Currently has a direct ownership of 92,006 shares of EXPO, which is worth approximately $6.43 Million. The most recent transaction as insider was on Dec 16, 2025, when has been sold 7,872 shares (Common Stock) at a price of $25.41 per share, resulting in proceeds of $200,027. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 92K

11.18% 3M change

19.68% 12M change

Total Value Held $6.43 Million

Catherine Corrigan Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 16 2025	BUY Exercise of conversion of derivative security	$200,027 $25.41 p/Share	7,872 Added 7.88%	92,006 Common Stock
Dec 15 2025	SELL Open market or private sale	$228,136 $70.74 p/Share	3,225 Reduced 3.69%	84,134 Common Stock
Dec 15 2025	BUY Exercise of conversion of derivative security	$81,947 $25.41 p/Share	3,225 Added 3.56%	87,359 Common Stock
Nov 17 2025	SELL Open market or private sale	$345,303 $70.47 p/Share	4,900 Reduced 5.5%	84,134 Common Stock
Nov 17 2025	BUY Exercise of conversion of derivative security	$152,624 $27.23 p/Share	5,605 Added 6.13%	85,809 Common Stock
Oct 15 2025	SELL Open market or private sale	$329,373 $66.81 p/Share	4,930 Reduced 5.58%	83,429 Common Stock
Oct 15 2025	BUY Exercise of conversion of derivative security	$152,651 $27.23 p/Share	5,606 Added 6.18%	85,133 Common Stock

Sep 15 2025	SELL Open market or private sale	$343,202 $69.97 p/Share	4,905 Reduced 5.6%	82,753 Common Stock
Sep 15 2025	BUY Exercise of conversion of derivative security	$152,651 $27.23 p/Share	5,606 Added 6.12%	85,979 Common Stock
Aug 14 2025	SELL Open market or private sale	$348,350 $71.15 p/Share	4,896 Reduced 5.63%	82,052 Common Stock
Aug 14 2025	BUY Exercise of conversion of derivative security	$152,651 $27.23 p/Share	5,606 Added 6.28%	83,722 Common Stock
Mar 12 2025	SELL Payment of exercise price or tax liability	$298,446 $82.33 p/Share	3,625 Reduced 4.27%	81,342 Common Stock
Mar 12 2025	BUY Exercise of conversion of derivative security	-	8,090 Added 8.69%	84,967 Common Stock
Nov 08 2024	SELL Bona fide gift	-	2,842 Reduced 3.57%	76,877 Common Stock
Mar 13 2024	SELL Payment of exercise price or tax liability	$473,370 $78.79 p/Share	6,008 Reduced 7.01%	79,719 Common Stock
Mar 13 2024	BUY Exercise of conversion of derivative security	-	12,410 Added 12.65%	85,727 Common Stock
Mar 15 2023	SELL Payment of exercise price or tax liability	$702,670 $103.41 p/Share	6,795 Reduced 8.13%	76,756 Common Stock
Mar 15 2023	BUY Exercise of conversion of derivative security	-	14,036 Added 14.38%	83,551 Common Stock
Mar 09 2022	SELL Payment of exercise price or tax liability	$698,226 $96.44 p/Share	7,240 Reduced 9.06%	72,696 Common Stock
Mar 09 2022	BUY Exercise of conversion of derivative security	-	14,956 Added 15.76%	79,936 Common Stock
Mar 10 2021	SELL Payment of exercise price or tax liability	$715,903 $98.65 p/Share	7,257 Reduced 9.79%	66,861 Common Stock
Mar 10 2021	BUY Exercise of conversion of derivative security	-	14,992 Added 16.82%	74,118 Common Stock

Catherine Corrigan

President & CEO

Menlo Park, CA

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