Catherine Corrigan - 16 Dec 2025 Form 4 Insider Report for EXPONENT INC (EXPO)

Role
President & CEO, Director
Signature
By: Wendy Whitehouse For: Catherine Corrigan
Issuer symbol
EXPO
Transactions as of
16 Dec 2025
Net transactions value
+$199,988
Form type
4
Filing time
17 Dec 2025, 17:53:34 UTC
Previous filing
16 Dec 2025
Next filing
20 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Corrigan Catherine President & CEO, Director 149 COMMONWEALTH DRIVE, MENLO PARK By: Wendy Whitehouse For: Catherine Corrigan 17 Dec 2025 0001552213

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EXPO Common Stock Options Exercise $199,988 +7,872 +9.4% $25.40 92,006 16 Dec 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction EXPO Incentive Stock Option (right to buy) Options Exercise -7,872 -50% 7,872 16 Dec 2025 Common Stock 7,872 $25.40 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option becomes exercisable in four equal annual installments.
F2 Not applicable.