Catherine Corrigan - 11 Mar 2026 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
11 Mar 2026
Net transactions value
$0
Form type
4
Filing time
13 Mar 2026, 17:22:51 UTC
Previous filing
23 Feb 2026
Next filing
16 Mar 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 13 Mar 2026 0001552213

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EXPO Common Stock Options Exercise +12,716 +13% 107,125 11 Mar 2026 Direct F1, F2
transaction EXPO Common Stock Tax liability -6,156 -5.7% $70.03* 100,969 11 Mar 2026 Direct F3

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 Restricted Stock Units Options Exercise -12,716 -100% 0 11 Mar 2026 Common Stock 12,716 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2022 into shares of Common Stock on a 1:1 basis.
F2 Not applicable.
F3 Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.