EXPONENT INC (EXPO)
$71.53+$0.38 (+0.53%) Today
Richard Reiss - OfficerExponent Inc is a science and engineering consulting firm that provides solutions to complex problems. The company's consultant team is composed of scientists, physicians, engineers, as well as business and regulatory consultants. The company currently operates through two segments. The engineering and other scientific segments, which account for the majority of revenue, provide servicing encompassing biomechanics, biomedical engineering, buildings and structures, civil engineering, construction consulting, etc. The environmental and health segment covers chemical regulation and food safety, ecological and biological sciences, environmental and earth sciences and others. The company generates almost all of its revenues from America.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 7,563 | $457K |
| Grant or award | 4 | 11,436 | |
| Option exercise | 22 | 81,890 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
57 Form 4 filings on record, the earliest from Nov 5, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Joseph Rakow - Officer | Option exercise | Restricted Stock Units | 5,298 | - | - | |
| Joseph Rakow - Officer | Option exercise | Common Stock | 5,298 | - | - | |
| Joseph Rakow - Officer | Tax withholding / forfeiture | Common Stock | 2,353 | $70.03 | $165K | |
| John Pye - Officer | Option exercise | Restricted Stock Units | 5,934 | - | - | |
| John Pye - Officer | Option exercise | Common Stock | 5,934 | - | - | |
| John Pye - Officer | Tax withholding / forfeiture | Common Stock | 2,384 | $70.03 | $167K | |
| Bradley A. James - Officer | Option exercise | Restricted Stock Units | 4,664 | - | - | |
| Bradley A. James - Officer | Option exercise | Common Stock | 4,664 | - | - | |
| Bradley A. James - Officer | Tax withholding / forfeiture | Common Stock | 1,559 | $70.03 | $109K | |
| Catherine Corrigan - Officer | Tax withholding / forfeiture | Common Stock | 6,156 | $70.03 | $431K | |
| Catherine Corrigan - Officer | Option exercise | Restricted Stock Units | 12,716 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 12,716 | - | - | |
 Maureen T. F. Reitman - Officer | Gift | Common Stock | 140 | - | - | |
| Catherine Corrigan - Officer | Grant or award | Incentive Stock Option (right to buy) | 1,425 | - | - | |
| Catherine Corrigan - Officer | Grant or award | Non-Qualified Stock Option (right to buy) | 27,075 | - | - | |
| Richard L. Schlenker Jr. - Officer | Grant or award | Incentive Stock Option (right to buy) | 1,425 | - | - | |
| Richard L. Schlenker Jr. - Officer | Grant or award | Non-Qualified Stock Option (right to buy) | 17,575 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,226 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 2,218 | $67.16 | $149K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,702 | $67.14 | $114K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,226 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Richard L. Schlenker Jr. - Officer | Option exercise | Common Stock | 4,230 | $23.63 | $100K | |
| Richard L. Schlenker Jr. - Officer | Option exercise | Incentive Stock Option (right to buy) | 4,230 | - | - | |
| John Pye - Officer | Open-market sale | Common Stock | 341 | $75.94 | $26K | |
| John Pye - Officer | Open-market sale | Common Stock | 3,659 | $75.98 | $278K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,663 | $72.52 | $121K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,225 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 3,225 | $70.74 | $228K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,225 | - | - | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,675 | $70.74 | $118K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,225 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,225 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 3,225 | $70.21 | $226K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,226 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 3,226 | $66.84 | $216K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,704 | $66.79 | $114K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,226 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,679 | $70.18 | $118K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,226 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 3,226 | $69.77 | $225K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,226 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 3,226 | $25.41 | $82K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 3,226 | $70.93 | $229K | |
| Catherine Corrigan - Officer | Option exercise | Common Stock | 2,380 | $29.05 | $69K | |
| Catherine Corrigan - Officer | Open-market sale | Common Stock | 1,670 | $71.38 | $119K | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 3,226 | - | - | |
| Catherine Corrigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 2,380 | - | - | |
| Joseph Sala - Officer | Open-market sale | Common Stock | 1,595 | $70.64 | $113K | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 1,525 | - | - | |
| Paul R. Johnston - Director | Option exercise | Restricted Stock Units | 1,525 | - | - | |
| Paul R. Johnston - Director | Grant or award | Restricted Stock Units | 2,009 | - | - | |
| Karen A. Richardson - Director | Option exercise | Common Stock | 1,525 | - | - | |
| Karen A. Richardson - Director | Option exercise | Restricted Stock Units | 1,525 | - | - | |
| Karen A. Richardson - Director | Grant or award | Restricted Stock Units | 2,009 | - | - | |
| Richard L. Schlenker Jr. - Officer | Gift | Common Stock | 10,000 | - | - | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 1,300 | $37.45 | $49K | |
| Paul R. Johnston - Director | Open-market sale | Common Stock | 1,300 | $95.03 | $124K | |
| Paul R. Johnston - Director | Option exercise | Non-Qualified Stock Option (right to buy) | 1,300 | - | - | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 7,000 | $37.45 | $262K | |
| Paul R. Johnston - Director | Open-market sale | Common Stock | 7,000 | $98.32 | $688K | |
| Paul R. Johnston - Director | Option exercise | Non-Qualified Stock Option (right to buy) | 7,000 | - | - | |
| Paul R. Johnston - Director | Gift | Common Stock | 21,336 | - | - | |
| Catherine Corrigan - Officer | Gift | Common Stock | 2,842 | - | - | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 7,000 | $37.45 | $262K | |
| Paul R. Johnston - Director | Open-market sale | Common Stock | 7,000 | $103.65 | $726K | |
| Paul R. Johnston - Director | Option exercise | Non-Qualified Stock Option (right to buy) | 7,000 | - | - | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 11,330 | $37.45 | $424K | |
| Paul R. Johnston - Director | Open-market sale | Common Stock | 11,330 | $104.60 | $1.19M | |
| Paul R. Johnston - Director | Option exercise | Common Stock | 2,670 | $37.45 | $100K | |
| Paul R. Johnston - Director | Open-market sale | Common Stock | 2,670 | $104.60 | $279K | |
| Paul R. Johnston - Director | Option exercise | Incentive Stock Option (right to buy) | 2,670 | - | - | |
| Paul R. Johnston - Director | Option exercise | Non-Qualified Stock Option (right to buy) | 11,330 | - | - | |
 Carol Lindstrom - Director | Open-market sale | Common Stock | 1,039 | $96.32 | $100K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| CATHERINE CORRIGAN | Director, Officer | 1,707 | $115K | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
EXPONENT INC (EXPO) had 10 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for EXPO runs to 57 Form 4 filings, the earliest from 2024-11-05. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of EXPO were filed in the last 90 days.
4 insider sales of EXPO were filed in the last 90 days, totaling $457K.
This page tracks EXPO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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