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Corrigan Catherine

Disclosed activity across 1 company

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22552
SEC CIK
0001552213

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
EXPONENT INCEXPO · Entity 4154Director · Chief Executive OfficerAugust 17, 2026August 19, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

EXPONENT INC

Report date August 17, 2026 · Filed August 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect129,108 Ending reported balance After 2026-08-17 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-08-17 · Exercise / conversion · Acquired 2,379 · Balance 130,815

Row 2 · 2026-08-17 · Sale · Disposed 1,707 · Balance 129,108

F1: Stock sale was to cover the option exercise price and taxes.

Non-Qualified Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $29.05 · Expires 2027-02-16Direct0 Reported balance After 2026-08-17 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-08-17 · Exercise / conversion · Disposed 2,379 · Balance 0

F3: Not applicable.

F2: The stock option becomes exercisable in four equal annual installments.

Filing footnotes · ownership attribution and instrument terms

F1: Stock sale was to cover the option exercise price and taxes.

F2: The stock option becomes exercisable in four equal annual installments.

F3: Not applicable.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
December 16, 2025 Filed Dec 17, 2025 22:53 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 7,872 $25.41 $199,988.16
Disclosure

SEC source: 0000851520-25-000082 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,006

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 15, 2025 Filed Dec 16, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,225 Not disclosed Strike: $25.41 Not disclosed
Disclosure

SEC source: 0000851520-25-000080 · edgardoc.xml · derivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,128

Underlying: Common Stock · 3,225 shares

Expires 2026-07-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
December 15, 2025 Filed Dec 16, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 3,225 $70.74 $228,132.31
Disclosure

SEC source: 0000851520-25-000080 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,134

Read SEC document
December 15, 2025 Filed Dec 16, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 3,225 $25.41 $81,931.13
Disclosure

SEC source: 0000851520-25-000080 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,359

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,380 Not disclosed Strike: $29.05 Not disclosed
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · derivative · entry 6

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,038

Underlying: Common Stock · 2,380 shares

Expires 2027-02-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,225 Not disclosed Strike: $25.41 Not disclosed
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · derivative · entry 5

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,353

Underlying: Common Stock · 3,225 shares

Expires 2026-07-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 1,675 $70.74 $118,487.32
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · nonDerivative · entry 4

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,134

F1 · kind: Stock sale was to cover the option exercise price and taxes.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 2,380 $29.05 $69,139.00
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · nonDerivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,809

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 3,225 $70.21 $226,411.13
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,429

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:31 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 3,225 $25.41 $81,931.13
Disclosure

SEC source: 0000851520-25-000078 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,654

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,380 Not disclosed Strike: $29.05 Not disclosed
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · derivative · entry 6

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,418

Underlying: Common Stock · 2,380 shares

Expires 2027-02-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,226 Not disclosed Strike: $25.41 Not disclosed
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · derivative · entry 5

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,578

Underlying: Common Stock · 3,226 shares

Expires 2026-07-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 1,704 $66.79 $113,814.59
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · nonDerivative · entry 4

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,429

F1 · kind: Stock sale was to cover the option exercise price and taxes.

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 2,380 $29.05 $69,139.00
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · nonDerivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,133

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 3,226 $66.84 $215,625.84
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,753

Read SEC document
October 15, 2025 Filed Oct 16, 2025 20:25 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 3,226 $25.41 $81,956.53
Disclosure

SEC source: 0000851520-25-000075 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,380 Not disclosed Strike: $29.05 Not disclosed
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · derivative · entry 6

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,798

Underlying: Common Stock · 2,380 shares

Expires 2027-02-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,226 Not disclosed Strike: $25.41 Not disclosed
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · derivative · entry 5

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,804

Underlying: Common Stock · 3,226 shares

Expires 2026-07-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 3,226 $69.77 $225,069.31
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · nonDerivative · entry 4

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,753

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 3,226 $25.41 $81,956.53
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · nonDerivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 1,679 $70.18 $117,833.23
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,753

F1 · kind: Stock sale was to cover the option exercise price and taxes.

Read SEC document
September 15, 2025 Filed Sep 16, 2025 21:24 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 2,380 $29.05 $69,139.00
Disclosure

SEC source: 0000851520-25-000073 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,432

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,380 Not disclosed Strike: $29.05 Not disclosed
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · derivative · entry 6

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,178

Underlying: Common Stock · 2,380 shares

Expires 2027-02-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 3,226 Not disclosed Strike: $25.41 Not disclosed
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · derivative · entry 5

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,030

Underlying: Common Stock · 3,226 shares

Expires 2026-07-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 1,670 $71.38 $119,207.27
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · nonDerivative · entry 4

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,052

F1 · kind: Stock sale was to cover the option exercise price and taxes.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 2,380 $29.05 $69,139.00
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · nonDerivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,722

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 SaleCommon Stock 3,226 $70.93 $228,835.34
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 81,342

Read SEC document
August 14, 2025 Filed Aug 15, 2025 21:12 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 3,226 $25.41 $81,956.53
Disclosure

SEC source: 0000851520-25-000070 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,568

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 14, 2025 Filed Mar 18, 2025 01:11 UTC EXPONENT INC EXPO · Entity 4154 GrantRestricted Stock Units · Derivative 13,540 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-25-000038 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,540

Underlying: Common Stock · 13,540 shares

Expires 2029-03-14

F1 · derivative.exercise_price: 1-for-1.

F2 · price: Not applicable.

Read SEC document
March 12, 2025 Filed Mar 15, 2025 00:55 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionRestricted Stock Units · Derivative 8,090 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-25-000020 · edgardoc.xml · derivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,090 shares

Expires 2025-03-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

Read SEC document
March 12, 2025 Filed Mar 15, 2025 00:55 UTC EXPONENT INC EXPO · Entity 4154 Tax withholdingCommon Stock 3,625 $82.33 $298,446.25
Disclosure

SEC source: 0000851520-25-000020 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,342

F3 · kind: Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.

F2 · price: Not applicable.

Read SEC document
March 12, 2025 Filed Mar 15, 2025 00:55 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 8,090 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-25-000020 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,967

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

Read SEC document
February 20, 2025 Filed Feb 24, 2025 22:37 UTC EXPONENT INC EXPO · Entity 4154 GrantNon-Qualified Stock Option (right to buy) · Derivative 19,831 Not disclosed Strike: $85.50 Not disclosed
Disclosure

SEC source: 0000851520-25-000012 · edgardoc.xml · derivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,831

Underlying: Common Stock · 19,831 shares

Expires 2035-02-20

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
February 20, 2025 Filed Feb 24, 2025 22:37 UTC EXPONENT INC EXPO · Entity 4154 GrantIncentive Stock Option (right to buy) · Derivative 1,169 Not disclosed Strike: $85.50 Not disclosed
Disclosure

SEC source: 0000851520-25-000012 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,169

Underlying: Common Stock · 1,169 shares

Expires 2035-02-20

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
November 08, 2024 Filed Nov 12, 2024 21:46 UTC EXPONENT INC EXPO · Entity 4154 GiftCommon Stock 2,842 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-24-000124 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,877

F1 · price: Not applicable.

Read SEC document
March 15, 2024 Filed Mar 20, 2024 00:22 UTC EXPONENT INC EXPO · Entity 4154 GrantRestricted Stock Units · Derivative 12,126 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-24-000046 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,126

Underlying: Common Stock · 12,126 shares

Expires 2028-03-15

F1 · derivative.exercise_price: 1-for-1.

F2 · price: Not applicable.

Read SEC document
March 13, 2024 Filed Mar 16, 2024 00:08 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionRestricted Stock Units · Derivative 12,410 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-24-000028 · edgardoc.xml · derivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,410 shares

Expires 2024-03-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

Read SEC document
March 13, 2024 Filed Mar 16, 2024 00:08 UTC EXPONENT INC EXPO · Entity 4154 Tax withholdingCommon Stock 6,008 $78.79 $473,370.32
Disclosure

SEC source: 0000851520-24-000028 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,719

F3 · kind: Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.

Read SEC document
March 13, 2024 Filed Mar 16, 2024 00:08 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 12,410 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-24-000028 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,727

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 22:49 UTC EXPONENT INC EXPO · Entity 4154 GrantNon-Qualified Stock Option (right to buy) · Derivative 22,681 Not disclosed Strike: $75.87 Not disclosed
Disclosure

SEC source: 0000851520-24-000017 · edgardoc.xml · derivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,681

Underlying: Common Stock · 22,681 shares

Expires 2034-02-14

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
February 14, 2024 Filed Feb 16, 2024 22:49 UTC EXPONENT INC EXPO · Entity 4154 GrantIncentive Stock Option (right to buy) · Derivative 1,319 Not disclosed Strike: $75.87 Not disclosed
Disclosure

SEC source: 0000851520-24-000017 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,319

Underlying: Common Stock · 1,319 shares

Expires 2034-02-14

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

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December 18, 2023 Filed Feb 12, 2024 19:44 UTC EXPONENT INC EXPO · Entity 4154 GiftCommon Stock 3,439 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-24-000010 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,317

F1 · price: Not applicable.

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March 15, 2023 Filed Mar 17, 2023 23:06 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionRestricted Stock Units · Derivative 14,036 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-23-000064 · edgardoc.xml · derivative · entry 3

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,036 shares

Expires 2023-03-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: 1-for-1.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 15, 2019 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

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March 15, 2023 Filed Mar 17, 2023 23:06 UTC EXPONENT INC EXPO · Entity 4154 Tax withholdingCommon Stock 6,795 $103.41 $702,670.95
Disclosure

SEC source: 0000851520-23-000064 · edgardoc.xml · nonDerivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,756

F3 · kind: Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person.

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March 15, 2023 Filed Mar 17, 2023 23:06 UTC EXPONENT INC EXPO · Entity 4154 Exercise / conversionCommon Stock 14,036 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-23-000064 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects the conversion of shares of vested Restricted Stock Units granted on March 15, 2019 into shares of Common Stock on a 1:1 basis.

F2 · price: Not applicable.

Read SEC document
March 10, 2023 Filed Mar 14, 2023 17:51 UTC EXPONENT INC EXPO · Entity 4154 GrantRestricted Stock Units · Derivative 11,998 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-23-000044 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,998

Underlying: Common Stock · 11,998 shares

Expires 2027-03-10

F1 · derivative.exercise_price: 1-for-1.

F2 · price: Not applicable.

Read SEC document
February 15, 2023 Filed Feb 17, 2023 18:00 UTC EXPONENT INC EXPO · Entity 4154 GrantNon-Qualified Stock Option (right to buy) · Derivative 17,069 Not disclosed Strike: $107.31 Not disclosed
Disclosure

SEC source: 0000851520-23-000025 · edgardoc.xml · derivative · entry 2

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,069

Underlying: Common Stock · 17,069 shares

Expires 2033-02-15

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

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February 15, 2023 Filed Feb 17, 2023 18:00 UTC EXPONENT INC EXPO · Entity 4154 GrantIncentive Stock Option (right to buy) · Derivative 931 Not disclosed Strike: $107.31 Not disclosed
Disclosure

SEC source: 0000851520-23-000025 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 931

Underlying: Common Stock · 931 shares

Expires 2033-02-15

F2 · price: Not applicable.

F1 · derivative.exercise_date: The stock option becomes exercisable in four equal annual installments.

Read SEC document
November 23, 2022 Filed Feb 13, 2023 18:12 UTC EXPONENT INC EXPO · Entity 4154 GiftCommon Stock 3,181 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-23-000011 · edgardoc.xml · nonDerivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,515

F1 · price: Not applicable.

Read SEC document
March 11, 2022 Filed Mar 16, 2022 00:43 UTC EXPONENT INC EXPO · Entity 4154 GrantRestricted Stock Units · Derivative 12,716 Not disclosed Not disclosed
Disclosure

SEC source: 0000851520-22-000057 · edgardoc.xml · derivative · entry 1

Corrigan Catherine · CIK 0001552213 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,716

Underlying: Common Stock · 12,716 shares

Expires 2026-03-11

F1 · derivative.exercise_price: 1-for-1.

F2 · price: Not applicable.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.