[Form 4] Exponent Inc Insider Trading Activity

Rhea-AI Filing Summary

Catherine Corrigan, President & CEO and Director of Exponent Inc (EXPO), reported option exercises and related stock sales on 08/14/2025. She exercised two non-qualified stock option tranches: 3,226 options at a $25.405 exercise price and 2,380 options at $29.05. Concurrent with exercise, shares were sold: 3,226 shares at $70.9347 and 1,670 shares at $71.3816; the filing states the sale was to cover the option exercise price and taxes. After these transactions her beneficial ownership of common stock was reported as 82,052 shares.

Insights

Financial Analyst

TL;DR: Routine option exercises and sell-to-cover transactions by the CEO, no material change to ownership.

The filing documents standard option exercises and sell-to-cover dispositions by the CEO. Exercises increased underlying shares acquired (5,606 total) but reported sales reduced immediate holdings, resulting in 82,052 shares beneficially owned after transactions. Prices show a substantial premium of exercised/strike prices to sale prices, reflecting appreciation since option grant. This is a commonplace liquidity/tax management move and does not by itself signal a change in corporate outlook.

Corporate Governance Expert

TL;DR: Transaction follows normal insider reporting and Rule 10b5-1 plan disclosure; governance appears compliant.

The Form 4 indicates the transaction was made pursuant to a written plan intended to satisfy Rule 10b5-1 affirmative defense, and includes an explanation that shares were sold to cover exercise price and taxes. The report is signed on behalf of the reporting person and includes required details: option strikes, exercisable schedule, and resulting beneficial ownership. Documentation in the filing meets standard disclosure expectations for insider option exercises.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Corrigan Catherine

(Last) (First) (Middle)

149 COMMONWEALTH DRIVE

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
EXPONENT INC [ EXPO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/14/2025		M		3,226	A	$25.405	84,568	D
Common Stock	08/14/2025		S		3,226	D	$70.9347	81,342	D
Common Stock	08/14/2025		M		2,380	A	$29.05	83,722	D
Common Stock	08/14/2025		S(1)		1,670	D	$71.3816	82,052	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$25.405	08/14/2025		M			3,226	(2)	07/29/2026	Common Stock	3,226	(3)	29,030	D
Non-Qualified Stock Option (right to buy)	$29.05	08/14/2025		M			2,380	(2)	02/16/2027	Common Stock	2,380	(3)	26,178	D

Explanation of Responses:

1. Stock sale was to cover the option exercise price and taxes.

2. The stock option becomes exercisable in four equal annual installments.

3. Not applicable.

	By: Wendy Whitehouse For: Catherine Corrigan	08/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did EXPO CEO Catherine Corrigan report on Form 4 filed for 08/14/2025?

Catherine Corrigan reported exercising two option tranches totaling 5,606 options and selling shares in sell-to-cover transactions on 08/14/2025.

How many shares did Corrigan beneficially own after the reported transactions for EXPO?

She reported beneficial ownership of 82,052 shares of Exponent common stock following the transactions.

What were the exercise and sale prices reported in the EXPO Form 4?

Exercises: $25.405 (3,226 options) and $29.05 (2,380 options). Sales: $70.9347 (3,226 shares) and $71.3816 (1,670 shares).

Why were shares sold according to the EXPO Form 4 filing?

The filing states the stock sale was to cover the option exercise price and taxes.

Was the transaction part of a 10b5-1 plan according to the filing?

Yes. The form is checked to indicate the transaction was made pursuant to a written plan intended to satisfy Rule 10b5-1(c).