Richard Reiss - 11 Mar 2026 Form 4 Insider Report for EXPONENT INC (EXPO)

Role
Group Vice President
Signature
By: Wendy Whitehouse For: Richard Reiss
Issuer symbol
EXPO
Transactions as of
11 Mar 2026
Net transactions value
$0
Form type
4
Filing time
13 Mar 2026, 17:24:42 UTC
Previous filing
17 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reiss Richard Group Vice President 149 COMMONWEALTH DRIVE, MENLO PARK By: Wendy Whitehouse For: Richard Reiss 13 Mar 2026 0001633078

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EXPO Common Stock Options Exercise +2,120 +76% 4,918 11 Mar 2026 Direct F1, F2
transaction EXPO Common Stock Tax liability -958 -19% $70.03* 3,960 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 -2,120 -100% 0 11 Mar 2026 Common Stock 2,120 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.