Form 4 Tracker
Catherine Corrigan

Director, Chief Executive Officer; Director, President & CEO · 12 filings · Latest: Aug 17, 2026

EXPONENT INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
EXPO
Catherine CorriganDirector, Chief Executive OfficerAug 17, 2026
Sale
$66.281,707$113.1K129,108
EXPO
Catherine CorriganDirector, Chief Executive OfficerAug 17, 2026
Option Exercise
$29.052,379$69.1K130,815
EXPO
CATHERINE CORRIGAN—Aug 17, 2026
Proposed Sale
$67.101,707$114.5K—
EXPO
Catherine CorriganDirector, Chief Executive OfficerJul 28, 2026
Option Exercise
$37.4512,665$474.3K128,436
EXPO
Catherine CorriganDirector, Chief Executive OfficerJul 15, 2026
Sale
$62.781,737$109.0K115,771
EXPO
Catherine CorriganDirector, Chief Executive OfficerJul 15, 2026
Option Exercise
$29.052,379$69.1K117,508
EXPO
CATHERINE CORRIGAN—Jul 15, 2026
Proposed Sale
$62.081,737$107.8K—
EXPO
Catherine CorriganDirector, Chief Executive OfficerJun 25, 2026
Option Exercise
$25.417,872$200.0K115,129
EXPO
Catherine CorriganDirector, President & CEOJun 15, 2026
Sale
$57.134,119$235.3K107,257
EXPO
Catherine CorriganDirector, President & CEOJun 15, 2026
Option Exercise
$26.955,605$151.1K109,050
EXPO
CATHERINE CORRIGAN—Jun 15, 2026
Proposed Sale
$57.084,119$235.1K—
EXPO
Catherine CorriganDirector, President & CEOMay 15, 2026
Sale
$54.064,194$226.7K105,771
EXPO
Catherine CorriganDirector, President & CEOMay 15, 2026
Option Exercise
$26.955,606$151.1K107,598
EXPO
CATHERINE CORRIGAN—May 15, 2026
Proposed Sale
$53.674,194$225.1K—
EXPO
Catherine CorriganDirector, President & CEOApr 15, 2026
Sale
$67.703,909$264.6K104,359
EXPO
Catherine CorriganDirector, President & CEOApr 15, 2026
Option Exercise
$26.955,605$151.1K106,056
EXPO
Catherine CorriganDirector, President & CEOMar 16, 2026
Sale
$67.493,912$264.0K102,663
EXPO
Catherine CorriganDirector, President & CEOMar 16, 2026
Option Exercise
$26.955,606$151.1K104,361
EXPO
CATHERINE CORRIGAN—Apr 15, 2026
Proposed Sale
$67.553,909$264.1K—
EXPO
CATHERINE CORRIGAN—Mar 16, 2026
Proposed Sale
$67.373,912$263.6K—

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