Key facts
- This page summarizes Catherine Corrigan's Form 4 filing for EXPONENT INC (EXPO).
- 6 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 17 Jun 2026, 17:11.
Catherine Corrigan - 15 Jun 2026 Form 4 Insider Report for EXPONENT INC (EXPO)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- EXPO
- Reported as of
- 15 Jun 2026
- Net transaction value
- -$235,303
- SEC form
- 4
- Accepted by SEC
- 17 Jun 2026, 17:11:48 UTC
- Prior SEC filing
- 15 May 2026
- Next SEC filing
- 29 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Wendy Whitehouse For: Catherine Corrigan
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Catherine Corrigan filed Form 4 for EXPONENT INC (EXPO) on 17 Jun 2026.
Change
- Previous filing in this sequence was filed on 15 May 2026.
- Current net transaction value: -$235,303.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001552213
Primary reporting owner
Corrigan Catherine
- Relationship
- President & CEO, Director
- Address
- 149 COMMONWEALTH DRIVE, MENLO PARK
- Signature
- By: Wendy Whitehouse For: Catherine Corrigan
- Signature date
- 17 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
EXPO
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +3,225
- Change %
- +3%
- Price
- $25.40*
- Shares after
- 108,996
- Date
- 15 Jun 2026
- Ownership
- Direct
EXPO
transaction
Common Stock
Sale
- Transaction value
- $132,876
- Shares
- -2,326
- Change %
- -2.1%
- Price
- $57.13
- Shares after
- 106,670
- Date
- 15 Jun 2026
- Ownership
- Direct
- Footnotes
- F1
EXPO
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +2,380
- Change %
- +2.2%
- Price
- $29.05*
- Shares after
- 109,050
- Date
- 15 Jun 2026
- Ownership
- Direct
EXPO
transaction
Common Stock
Sale
- Transaction value
- $102,427
- Shares
- -1,793
- Change %
- -1.6%
- Price
- $57.13
- Shares after
- 107,257
- Date
- 15 Jun 2026
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
EXPO
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -3,225
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 15 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,225
- Exercise price
- $25.40
- Footnotes
- F2, F3
EXPO
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -2,380
- Change %
- -33%
- Price
- Shares after
- 4,758
- Date
- 15 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,380
- Exercise price
- $29.05
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 3 footnotes
Footnote F1
Stock sale was to cover the option exercise price and taxes.
Footnote F2
The stock option becomes exercisable in four equal annual installments.
Footnote F3
Not applicable.