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E

EXPO

Nasdaq

EXPONENT INC

Latest disclosureSeptember 22, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

1 purchases · 14 sales

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Insider transactions 55

Limited filing history
All55Buying1Selling14Other40
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

40 of 55 trades · March 16, 2026 – September 18, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Common Stock

Value context
$69.11K
Reported price
$29.05 / share
Traded August 17, 2026Filed August 18, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Non-Qualified Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$29.05 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 17, 2026Filed August 18, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Common Stock

Value context
$474.3K
Reported price
$37.45 / share
Traded July 28, 2026Filed July 30, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Non-Qualified Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$37.45 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 28, 2026Filed July 30, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Common Stock

Value context
$69.11K
Reported price
$29.05 / share
Traded July 15, 2026Filed July 17, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Non-Qualified Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$29.05 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 15, 2026Filed July 17, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Common Stock

Value context
$199.99K
Reported price
$25.405 / share
Traded June 25, 2026Filed June 29, 2026SEC filing
Exercise or conversion

Catherine Corrigan

Chief Executive Officer

Incentive Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$25.405 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 25, 2026Filed June 29, 2026SEC filing
Exercise or conversion

Catherine Corrigan

President & CEO

Common Stock

Value context
$81.93K
Reported price
$25.405 / share
Traded June 15, 2026Filed June 17, 2026SEC filing
Exercise or conversion

Catherine Corrigan

President & CEO

Common Stock

Value context
$69.14K
Reported price
$29.05 / share
Traded June 15, 2026Filed June 17, 2026SEC filing
Exercise or conversion

Catherine Corrigan

President & CEO

Non-Qualified Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$25.405 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 15, 2026Filed June 17, 2026SEC filing
Exercise or conversion

Catherine Corrigan

President & CEO

Non-Qualified Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$29.05 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 15, 2026Filed June 17, 2026SEC filing
Exercise or conversion

Carol Lindstrom

Director

Common Stock

Value context
Unavailable
Reported price
Price not reported
Traded June 3, 2026Filed June 4, 2026SEC filing
Exercise or conversion

Carol Lindstrom

Director

Restricted Stock Units

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 3, 2026Filed June 4, 2026SEC filing
Award disclosed

Carol Lindstrom

Director

Restricted Stock Units

Derivative security · not the ordinary share price.

Value context
Unavailable
Reported price
Price not reported
Traded June 4, 2026Filed June 4, 2026SEC filing
Exercise or conversion

George H. Brown

Director

Common Stock

Value context
Unavailable
Reported price
Price not reported
Traded June 3, 2026Filed June 4, 2026SEC filing
Exercise or conversion

George H. Brown

Director

Restricted Stock Units

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 3, 2026Filed June 4, 2026SEC filing
Award disclosed

George H. Brown

Director

Restricted Stock Units

Derivative security · not the ordinary share price.

Value context
Unavailable
Reported price
Price not reported
Traded June 4, 2026Filed June 4, 2026SEC filing
Exercise or conversion

Karen A. Richardson

Director

Common Stock

Value context
Unavailable
Reported price
Price not reported
Traded June 3, 2026Filed June 4, 2026SEC filing
Exercise or conversion

Karen A. Richardson

Director

Restricted Stock Units

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded June 3, 2026Filed June 4, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Executive OfficerCommon StockOption exercise or conversion10b5-12,379$29.05 / share$69.11KAug 17Filed Aug 18 · 1d laterSEC filing
Chief Executive OfficerNon-Qualified Stock Option (right to buy)Option exercise or conversion10b5-1Derivative units2,379$29.05 exercise / conversion priceNot a separate purchaseAug 17Filed Aug 18 · 1d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion12,665$37.45 / share$474.3KJul 28Filed Jul 30 · 2d laterSEC filing
Chief Executive OfficerNon-Qualified Stock Option (right to buy)Option exercise or conversionDerivative units12,665$37.45 exercise / conversion priceNot a separate purchaseJul 28Filed Jul 30 · 2d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion10b5-12,379$29.05 / share$69.11KJul 15Filed Jul 17 · 2d laterSEC filing
Chief Executive OfficerNon-Qualified Stock Option (right to buy)Option exercise or conversion10b5-1Derivative units2,379$29.05 exercise / conversion priceNot a separate purchaseJul 15Filed Jul 17 · 2d laterSEC filing
Chief Executive OfficerCommon StockOption exercise or conversion7,872$25.41 / share$199.99KJun 25Filed Jun 29 · 4d laterSEC filing
Chief Executive OfficerIncentive Stock Option (right to buy)Option exercise or conversionDerivative units7,872$25.41 exercise / conversion priceNot a separate purchaseJun 25Filed Jun 29 · 4d laterSEC filing
President & CEOCommon StockOption exercise or conversion10b5-13,225$25.41 / share$81.93KJun 15Filed Jun 17 · 2d laterSEC filing
President & CEOCommon StockOption exercise or conversion10b5-12,380$29.05 / share$69.14KJun 15Filed Jun 17 · 2d laterSEC filing
President & CEONon-Qualified Stock Option (right to buy)Option exercise or conversion10b5-1Derivative units3,225$25.41 exercise / conversion priceNot a separate purchaseJun 15Filed Jun 17 · 2d laterSEC filing
President & CEONon-Qualified Stock Option (right to buy)Option exercise or conversion10b5-1Derivative units2,380$29.05 exercise / conversion priceNot a separate purchaseJun 15Filed Jun 17 · 2d laterSEC filing
DirectorCommon StockOption exercise or conversion2,009Price not reportedUnavailableJun 3Filed Jun 4 · 1d laterSEC filing
DirectorRestricted Stock UnitsOption exercise or conversionDerivative units2,009Exercise / conversion price not reportedNot a separate purchaseJun 3Filed Jun 4 · 1d laterSEC filing
DirectorRestricted Stock UnitsGrant or awardDerivative units2,859Price not reportedUnavailableJun 4Filed Jun 4 · 0d laterSEC filing
DirectorCommon StockOption exercise or conversion2,009Price not reportedUnavailableJun 3Filed Jun 4 · 1d laterSEC filing
DirectorRestricted Stock UnitsOption exercise or conversionDerivative units2,009Exercise / conversion price not reportedNot a separate purchaseJun 3Filed Jun 4 · 1d laterSEC filing
DirectorRestricted Stock UnitsGrant or awardDerivative units2,859Price not reportedUnavailableJun 4Filed Jun 4 · 0d laterSEC filing
DirectorCommon StockOption exercise or conversion2,009Price not reportedUnavailableJun 3Filed Jun 4 · 1d laterSEC filing
DirectorRestricted Stock UnitsOption exercise or conversionDerivative units2,009Exercise / conversion price not reportedNot a separate purchaseJun 3Filed Jun 4 · 1d laterSEC filing

Showing the latest 20 of 40 trades. Show all 40 trades

Congress transactions 1

All Congress filings
Sale disclosed

Exponent, Inc. - Common Stock (EXPO) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portraitLisa McClainReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 11, 2025
Filed October 22, 2025 · 41d laterOriginal report
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000851520
Latest public acceptance
Sep 22, 2026, 04:26 PM UTC
Score calculated
Oct 8, 2026, 03:51 PM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.