Exponent (NASDAQ: EXPO) VP sells 1,672 shares in open-market trade

Rhea-AI Filing Summary

Exponent Inc. Group Vice President Richard Reiss reported an open-market sale of 1,672 shares of Common Stock on May 19, 2026 at an average price of $58.6496 per share.

After this transaction, he directly holds 2,288 shares of Exponent common stock.

Insider Trade Summary

Net Seller: 1,672 shares ($98,062)

Net Sell 1 txn

Insider Reiss Richard

Role Group Vice President

Sold 1,672 shs ($98K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,672	$58.6496	$98K

Holdings After Transaction: Common Stock — 2,288 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 1,672 shares Sale price: $58.6496 per share Shares owned after sale: 2,288 shares +1 more

4 metrics

Shares sold 1,672 shares Open-market sale on May 19, 2026

Sale price $58.6496 per share Average price for the reported transaction

Shares owned after sale 2,288 shares Direct holdings following the transaction

Net shares sold 1,672 shares Net sell direction in transaction summary

Key Terms

Form 4, Common Stock, open-market sale, Group Vice President

4 terms

Form 4 regulatory

"reported on a Form 4 insider trading report"

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.

Common Stock financial

"sale of 1,672 shares of Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open-market sale financial

"1,672-share open-market sale of 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.

Group Vice President financial

"Richard Reiss serves as a Group Vice President"

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Form 4 Insider Transactions: What Each Field Means →

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^*

Reiss Richard

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026

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	05/19/2026		S		1,672	D	$58.6496	2,288	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

Explanation of Responses:

	By: Wendy Whitehouse For: Richard Reiss	05/19/2026
	** 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)

FAQ

What insider transaction did EXPO report for Richard Reiss?

Exponent reported that Group Vice President Richard Reiss sold 1,672 shares of Common Stock in an open-market transaction. The sale occurred at an average price of $58.6496 per share, as disclosed in the Form 4 insider trading report.

At what price were the EXPO shares sold in this Form 4 filing?

The Exponent shares were sold at an average price of $58.6496 per share. This price reflects the execution level for the 1,672 shares of Common Stock sold in an open-market transaction reported by executive Richard Reiss on the Form 4.

How many EXPO shares does Richard Reiss hold after the reported sale?

After the reported sale, Richard Reiss directly holds 2,288 shares of Exponent Common Stock. This post-transaction balance is disclosed in the Form 4 and reflects his remaining direct ownership following the 1,672-share open-market sale.

What is the size of the EXPO insider sale disclosed in this Form 4?

The Form 4 reports that Richard Reiss sold 1,672 shares of Exponent Common Stock. This single open-market transaction is the only activity disclosed, and it leaves the executive with a remaining direct holding of 2,288 shares in the company.

What role does the insider in this EXPO Form 4 hold at Exponent?

The insider, Richard Reiss, serves as a Group Vice President at Exponent Inc. His position as an officer makes his 1,672-share open-market sale of Common Stock reportable on Form 4 under SEC insider trading disclosure rules.