Exponent VP nets 3,105 shares after RSU vesting

Exponent Inc. Group Vice President James Bradley reported routine equity compensation activity.

Rhea-AI Filing Summary

Exponent Inc. Group Vice President James Bradley reported routine equity compensation activity. On March 11, 2026, 4,664 vested Restricted Stock Units granted on March 11, 2022 converted into 4,664 shares of common stock on a 1:1 basis. To satisfy tax withholding obligations, the company withheld 1,559 of these shares at a price of $70.03 per share. Bradley retained 3,105 common shares directly following the transactions. The withholding is a tax payment mechanism, not an open-market sale.

Insider Trade Summary

4,664 shares exercised/converted

Exercise 3 txns

Insider James Bradley A

Role Group Vice President

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,664	$0.00	$0.00
Exercise	Common Stock	4,664	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,559	$70.03	$109K

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 3,105 shares (Direct)

Footnotes (3)

1. 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.
2. F2. Not applicable.
3. F3. Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.

FAQ

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

What did Exponent (EXPO) executive James Bradley report in this Form 4 filing?

James Bradley reported the vesting and conversion of 4,664 Restricted Stock Units into 4,664 shares of Exponent common stock, with a portion of those shares withheld by the company to cover his tax obligations.

How many Exponent (EXPO) shares did James Bradley acquire and retain?

James Bradley acquired 4,664 Exponent common shares through the conversion of vested Restricted Stock Units and, after tax withholding, directly held 3,105 common shares following the reported transactions on March 11, 2026.

What is the significance of the F-code tax withholding in the EXPO Form 4?

The F-code transaction reflects 1,559 Exponent common shares withheld by the company at $70.03 per share to satisfy James Bradley’s tax obligations, representing a non-market disposition rather than an open-market sale of shares.

Were the Exponent (EXPO) Form 4 transactions open-market purchases or sales?

No open-market purchases or sales were reported. The filing shows a derivative exercise converting Restricted Stock Units into common shares and a related share withholding by Exponent to cover James Bradley’s tax liabilities.

What derivative security did James Bradley convert into Exponent (EXPO) common stock?

James Bradley converted 4,664 vested Restricted Stock Units, originally granted on March 11, 2022, into 4,664 Exponent common shares on a one-for-one basis as part of routine equity compensation vesting.

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

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Accepted by SEC EDGAR 03/13/2026 - 05:23 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).

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^*

James Bradley A

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Group Vice President

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

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	03/11/2026		M(1)		4,664	A	(2)	4,664	D
Common Stock	03/11/2026		F(3)		1,559	D	$70.03	3,105	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
Restricted Stock Units	(1)	03/11/2026		M(1)			4,664	03/11/2026	03/11/2026	Common Stock	4,664	(2)	0	D

Explanation of Responses:

1. 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.

2. Not applicable.

3. Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.

	By: Wendy Whitehouse For: Bradley A. James	03/13/2026
	** 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.