Exponent CEO exercises options, sells 4,119 shares

Exponent Inc. President & CEO Catherine Corrigan reported an option exercise and related stock sales in Exponent Inc. common stock.

Rhea-AI Filing Summary

Exponent Inc. President & CEO Catherine Corrigan reported an option exercise and related stock sales in Exponent Inc. common stock. On June 15, 2026, she exercised non-qualified stock options covering 5,605 shares at exercise prices of $29.05 and $25.405 per share.

On the same date, she executed open-market sales totaling 4,119 shares at an average price of $57.1263 per share to cover the option exercise price and taxes, according to the footnote. After these transactions, she directly holds 106,670 shares of Exponent common stock.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 6 txns

Insider Corrigan Catherine

Role President & CEO

Sold 4,119 shs ($235K)

Approx. gross sale proceeds $235K

Approx. exercise cost $151K

Type	Security	Shares	Price	Value
Exercise	Non-Qualified Stock Option (right to buy)	3,225	$0.00	$0.00
Exercise	Non-Qualified Stock Option (right to buy)	2,380	$0.00	$0.00
Exercise	Common Stock	3,225	$25.405	$82K
Sale	Common Stock	2,326	$57.1263	$133K
Exercise	Common Stock	2,380	$29.05	$69K
Sale	Common Stock	1,793	$57.1263	$102K

Holdings After Transaction: Non-Qualified Stock Option (right to buy) — 4,758 contracts (Direct); Common Stock — 107,257 shares (Direct)

Footnotes (3)

1. F1. Stock sale was to cover the option exercise price and taxes.
2. F2. The stock option becomes exercisable in four equal annual installments.
3. F3. Not applicable.

Key Figures

Shares sold: 4,119 shares Sale price: $57.1263 per share Options exercised: 5,605 shares +4 more

7 metrics

Shares sold 4,119 shares Open-market sales on June 15, 2026 at $57.1263/share

Sale price $57.1263 per share Average price for 4,119 common shares sold

Options exercised 5,605 shares Non-qualified stock options exercised on June 15, 2026

Exercise price 1 $29.05 per share Non-qualified stock option with 2,380 underlying shares

Exercise price 2 $25.405 per share Non-qualified stock option with 3,225 underlying shares

Post-transaction holdings 106,670 shares Common stock directly owned after transactions

Net-sell shares 4,119 shares transactionSummary netBuySellShares reported as net-sell

Key Terms

Non-Qualified Stock Option (right to buy), open-market sale, derivative security, Form 4

4 terms

Non-Qualified Stock Option (right to buy) financial

"Security title listed as Non-Qualified Stock Option (right to buy) with underlying common shares"

open-market sale financial

"Transaction action described as open-market sale with code S for common stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

derivative security financial

"Transaction code description notes exercise or conversion of derivative security for options"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Form 4 regulatory

"Insider transaction reported as Form 4 for Exponent Inc. common stock"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Exponent (EXPO) CEO Catherine Corrigan report in this Form 4?

Catherine Corrigan reported exercising stock options and selling some Exponent shares. She exercised options for 5,605 shares and sold 4,119 shares in open-market transactions linked to covering exercise costs and taxes, while retaining a significant direct holding.

How many Exponent (EXPO) shares did the CEO sell and at what price?

She sold 4,119 shares of Exponent common stock. The reported average sale price was $57.1263 per share. These sales were disclosed as being used to cover the option exercise price and associated tax obligations, not as a standalone discretionary sale.

How many Exponent (EXPO) stock options did the CEO exercise?

She exercised non-qualified stock options covering a total of 5,605 shares. The options had exercise prices of $29.05 and $25.405 per share. This converted previously granted options into common stock as part of her compensation package.

What is Catherine Corrigan’s Exponent (EXPO) share ownership after these transactions?

After the reported transactions, Catherine Corrigan directly holds 106,670 shares of Exponent common stock. This figure reflects her remaining equity position following the option exercises and the related open-market sales executed on June 15, 2026.

Why did the Exponent (EXPO) CEO sell shares after exercising options?

A footnote states the stock sales were to cover the option exercise price and taxes. This means part of the newly acquired shares were sold to fund the cost of exercising the options and satisfy tax obligations associated with the transactions.

Were any Exponent (EXPO) stock options left unexercised in this Form 4?

The filing shows exercises of non-qualified stock options and an empty remaining derivative position in the summary. This indicates the specific options referenced in the transactions were exercised in full, with no remaining balance from those particular grants.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/17/2026 - 05:11 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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 CALIFORNIA 94025

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

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

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

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

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	06/15/2026		M		3,225	A	$25.405	108,996	D
Common Stock	06/15/2026		S(1)		2,326	D	$57.1263	106,670	D
Common Stock	06/15/2026		M		2,380	A	$29.05	109,050	D
Common Stock	06/15/2026		S(1)		1,793	D	$57.1263	107,257	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	06/15/2026		M			3,225	(2)	07/29/2026	Common Stock	3,225	(3)	0	D
Non-Qualified Stock Option (right to buy)	$29.05	06/15/2026		M			2,380	(2)	02/16/2027	Common Stock	2,380	(3)	4,758	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	06/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)