Company Analysis

Exponent, Inc. (EXPO)

Nasdaq: EXPO · Services-Management Consulting Services · Menlo Park, CA · filing with the SEC since 1996
Grade6.8
◀ Past 7.2● Present 7.2▶ Future 5.7

Who owns Exponent, Inc.

As filed with the SEC
Holders of 5% or more
4
Kayne Anderson Rudnick Investment Management, LLC holds 7.9% of Common Stock, as its SCHEDULE 13G/A filed May 14, 2026 says.
Directors and officers
16
report now, of 30 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Kayne Anderson Rudnick Investment Management, LLC
7.9%
Vanguard Portfolio Management
6.07%
Vanguard Capital Management
5.25%
Conestoga Capital Advisors
SCHEDULE 13G/A · filed Jan 9, 2026 · Common Stock · 5.87% in Jan 10, 2025
5.06%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
under 5%
What EXPO reports owning in othersstakes of 5% or more, and other ties

8 subsidiaries in 8 countries, from the list filed with the 10-K filed Feb 27, 2026.

Insider tradesForm 4
23sales
1purchases
16sales on a scheduled plan
6people selling
$3.1Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
17181920212223242526
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 30 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Corrigan CatherineChief Executive Officer16$2.2M160$0
Pye JohnVP Global Offices & Innovation2$300,00000$0
Reiss RichardGroup Vice President2$200,00000$0
Rakow JosephGroup Vice President1$200,00000$0
James Bradley AGroup Vice President1$100,00000$0
Sala JosephGroup Vice President1$100,00000$0
Souri Shukri JeriesGroup Vice President0$001$0
SI Assistanton EXPO · research, not advice