Exponent VP buys 184 shares at $68.45 each

Group Vice President Shukri Jeries Souri increased direct EXPO holdings through a Dividend Reinvestment Plan purchase.

Rhea-AI Filing Summary

EXPONENT INC (EXPO) reports that Group Vice President Shukri Jeries Souri purchased 184 shares of common stock on September 18, 2026 at $68.4452 per share, increasing directly held shares to 40,873. The purchase represents whole shares acquired under the company’s Dividend Reinvestment Plan, which also added fractional shares.

Insider Trade Summary

Net Buyer: 184 shares

Net Buy 1 txn

Insider Souri Shukri Jeries

Role Group Vice President

Bought 184 shs ($13K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F1	184	$68.4452	$13K

Holdings After Transaction: Common Stock — 40,873 shares (Direct)

Footnotes (1)

1. F1. Represents whole shares acquired under the Issuer's Dividend Reinvestment Plan. An additional 0.288 shares were acquired in the transaction, bringing the total fractional share balance held via DRIP to 0.382 shares. The balance includes 0.094 shares held via DRIP that were not previously reported on the Form 3.

Key Figures

Shares purchased: 184 shares Purchase price per share: $68.4452 per share Shares held after transaction: 40,873 shares +3 more

6 metrics

Shares purchased 184 shares Common stock purchased on September 18, 2026

Purchase price per share $68.4452 per share Open-market or private transaction purchase on September 18, 2026

Shares held after transaction 40,873 shares Directly held EXPONENT INC common stock following the reported purchase

New fractional shares acquired via DRIP 0.288 shares Additional fractional shares from the same Dividend Reinvestment Plan transaction

Total DRIP fractional-share balance 0.382 shares Fractional shares held via Dividend Reinvestment Plan after including this transaction

Previously unreported DRIP fractional shares 0.094 shares Fractional DRIP shares noted as not previously reported on the Form 3

Key Terms

Dividend Reinvestment Plan, fractional share balance, DRIP

3 terms

Dividend Reinvestment Plan financial

"Represents whole shares acquired under the Issuer's Dividend Reinvestment Plan."

A dividend reinvestment plan lets shareholders automatically use cash dividends to buy more shares of the same company instead of receiving the money. It matters to investors because it turns regular payouts into a steady way to grow ownership and take advantage of compound returns—like having your savings automatically buy additional slices of a pie over time—while often reducing transaction costs and smoothing purchase timing.

fractional share balance financial

"bringing the total fractional share balance held via DRIP to 0.382 shares."

DRIP financial

"The balance includes 0.094 shares held via DRIP that were not previously reported"

A DRIP (dividend reinvestment plan) automatically uses cash dividends to buy additional shares of the same company instead of paying the money to the investor. Like using spare change from each paycheck to buy more of something you already own, a DRIP helps holdings grow over time through compounding without requiring the investor to decide each time, which can boost long‑term returns but reduce short‑term cash income.

FAQ

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

What insider transaction did EXPO report for Shukri Jeries Souri?

Shukri Jeries Souri, a Group Vice President of EXPONENT INC, purchased 184 shares of common stock on September 18, 2026, as reported in a Form 4 filing.

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

The reported purchase price was $68.4452 per share for 184 shares of EXPONENT INC common stock on September 18, 2026.

How many EXPO shares does Shukri Jeries Souri hold after this transaction?

After the transaction, Shukri Jeries Souri directly holds 40,873 whole shares of EXPONENT INC common stock, plus a separate 0.382 fractional-share balance held via the Dividend Reinvestment Plan.

Was the EXPO insider purchase made under a Dividend Reinvestment Plan?

Yes. The Form 4 states that the 184 shares represent whole shares acquired under EXPONENT INC’s Dividend Reinvestment Plan, and that additional fractional shares were also acquired in the same transaction.

Was this EXPO insider trade made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and the footnotes describe the acquisition as occurring under the Dividend Reinvestment Plan instead.

What fractional EXPO shares are reported via DRIP in this Form 4?

The footnote reports an additional 0.288 fractional shares acquired in the transaction, bringing the total DRIP fractional share balance to 0.382 shares, including 0.094 shares not previously reported on Form 3.

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

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Available on EDGAR 09/22/2026 - 12:26 PM Accepted by SEC EDGAR 09/22/2026 - 12:26 PM 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^*

Souri Shukri Jeries

(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)
09/18/2026

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	09/18/2026		P		184(1)	A	$68.4452	40,873	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:

1. Represents whole shares acquired under the Issuer's Dividend Reinvestment Plan. An additional 0.288 shares were acquired in the transaction, bringing the total fractional share balance held via DRIP to 0.382 shares. The balance includes 0.094 shares held via DRIP that were not previously reported on the Form 3.

	By: Wendy Whitehouse For: Shukri Jeries Souri	09/22/2026
	** 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)