Newest
PEBO ▼ sold $76K · Augenstein Mark filed 1d agoBBT ▲ bought $105K · Hollister Thomas J filed 2d agoBBT ▼ sold $20K · Eagan John Buckley filed 2d agoGS ▼ sold $60K · LESLIE ERICKA T filed 2d agoGS ▼ sold $163K · LESLIE ERICKA T filed 2d agoMSCI ▼ sold $1.5M · Gutowski Robert J. filed 2d agoGL ▼ sold $2.2M · MAJORS MICHAEL CLAY filed 2d agoPHR ▲ bought $362 · Linetsky David filed 2d agoPHR ▲ bought $320 · Linetsky David filed 2d agoRVI ▲ bought $23K · Whitney Meredith filed 2d agoLEO ▲ bought $369K · Saba Capital Management, L.P. filed 2d agoPG ▼ sold $5.7M · Jejurikar Shailesh filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoICLR ▼ sold $15K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoPG ▼ sold $698K · Gama Paul filed 2d ago

Company / CIK 0000851520

EXPONENT INC

Ticker
EXPO
Size, estimated from filings
Mid cap ($2B – $10B)
Insiders on file
15
Members of Congress who traded it
1
Federal contracts on record
6 awards
Lobbying filings on record
2
SEC filings
EDGAR ↗
Latest trade on record
September 18, 2026

EXPONENT INC (EXPO) has 15 insiders on file who disclosed 117 transactions in the last 12 months (1 open-market buy, 30 sales, about $6.5M at reported prices), and 1 congressional trade in its stock is on record. USAspending shows 6 federal contract awards with a combined value of $1.8M to a recipient with this name that started in the last 180 days; no lobbying filing names it as client this year.

Last updated October 6, 2026 · Sources: SEC EDGAR; USAspending; Senate LDA

EXPONENT INC in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

8 people account for the disclosed buying and selling in EXPONENT INC over the last 12 months; the most active is Corrigan Catherine with $2.6M.

Federal contracts by agency

Which agencies awarded EXPONENT INC contracts that started in the last 180 days?

Department of Transportation$1.6MDepartment of Justice$185K
Department of Trans…$1.6MDepartment of Justi…$185K

Federal contract awards to EXPONENT INC that started in the last 180 days have a combined award value of $1.8M, most from Department of Transportation.

Insiders

NameRoleRowsBoughtSoldLast filed
Souri Shukri JeriesGroup Vice President110September 22, 2026
Corrigan CatherinePresident & CEO66019August 18, 2026
JOHNSTON PAUL RDirector200June 4, 2026
Zumwalt DebraDirector300June 4, 2026
RICHARDSON KAREN ADirector300June 4, 2026
Brown George H.Director300June 4, 2026
Lindstrom CarolDirector300June 4, 2026
James Bradley AGroup Vice President502May 27, 2026
Reiss RichardGroup Vice President502May 19, 2026
Rakow JosephGroup Vice President502May 13, 2026
Sala JosephGroup Vice President502May 13, 2026
Pye JohnVP Global Offices & Innovation803April 8, 2026
SCHLENKER RICHARD L JREVP & Chief Financial Officer801March 16, 2026
Reitman Maureen T. F.Group Vice President501March 16, 2026
Kundert BrianChief Human Resources Officer100March 16, 2026

Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.

Members of Congress who traded EXPO

From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the EXPO page.

MemberSeatTradesBoughtSoldRange as filedLatest
Lisa C. McClainRepresentative (MI, District 9), Republican101$1,001–$15KSeptember 11, 2025

Insider transactions

Download CSV124 rows · 41 KB · insider and congressional rows for this ticker · all downloads

FilerSecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
Souri Shukri JeriesEXPOBuy PSeptember 18, 2026September 22, 20264d184$68$13KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MAugust 17, 2026August 18, 20261d2,379——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SAugust 17, 2026August 18, 20261d1,707$66$113K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MAugust 17, 2026August 18, 20261d2,379$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJuly 28, 2026July 30, 20262d12,665——derivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJuly 28, 2026July 30, 20262d12,665$37$474KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJuly 15, 2026July 17, 20262d2,379——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SJuly 15, 2026July 17, 20262d1,737$63$109K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJuly 15, 2026July 17, 20262d2,379$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 25, 2026June 29, 20264d7,872——derivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 25, 2026June 29, 20264d7,872$25$200KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 15, 2026June 17, 20262d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 15, 2026June 17, 20262d3,225——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SJune 15, 2026June 17, 20262d1,793$57$102K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 15, 2026June 17, 20262d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SJune 15, 2026June 17, 20262d2,326$57$133K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJune 15, 2026June 17, 20262d3,225$25$82K10b5-1 planForm 4 ↗
Lindstrom CarolEXPOOther AJune 4, 2026June 4, 20260d2,859——derivativeForm 4 ↗
Lindstrom CarolEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——derivativeForm 4 ↗
Lindstrom CarolEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——Form 4 ↗
Brown George H.EXPOOther AJune 4, 2026June 4, 20260d2,859——derivativeForm 4 ↗
Brown George H.EXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——derivativeForm 4 ↗
Brown George H.EXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——Form 4 ↗
RICHARDSON KAREN AEXPOOther AJune 4, 2026June 4, 20260d2,859——derivativeForm 4 ↗
RICHARDSON KAREN AEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——derivativeForm 4 ↗
RICHARDSON KAREN AEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——Form 4 ↗
Zumwalt DebraEXPOOther AJune 4, 2026June 4, 20260d2,859——derivativeForm 4 ↗
Zumwalt DebraEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——derivativeForm 4 ↗
Zumwalt DebraEXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——Form 4 ↗
JOHNSTON PAUL REXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——derivativeForm 4 ↗
JOHNSTON PAUL REXPOOption / conversion MJune 3, 2026June 4, 20261d2,009——Form 4 ↗
James Bradley AEXPOSell SMay 26, 2026May 27, 20261d2,000$57$115KForm 4 ↗
Reiss RichardEXPOSell SMay 19, 2026May 19, 20260d1,672$59$98KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMay 15, 2026May 15, 20260d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMay 15, 2026May 15, 20260d3,226——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SMay 15, 2026May 15, 20260d1,827$54$99K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMay 15, 2026May 15, 20260d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SMay 15, 2026May 15, 20260d2,367$54$128K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMay 15, 2026May 15, 20260d3,226$25$82K10b5-1 planForm 4 ↗
Rakow JosephEXPOSell SMay 13, 2026May 13, 20260d2,945$55$161KForm 4 ↗
Sala JosephEXPOSell SMay 13, 2026May 13, 20260d2,066$57$117KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MApril 15, 2026April 16, 20261d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 16, 2026April 16, 202631d2,380——late10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MApril 15, 2026April 16, 20261d3,225——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 16, 2026April 16, 202631d3,226——late10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SApril 15, 2026April 16, 20261d1,697$68$115K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MApril 15, 2026April 16, 20261d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SApril 15, 2026April 16, 20261d2,212$68$150K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MApril 15, 2026April 16, 20261d3,225$25$82K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SMarch 16, 2026April 16, 202631d1,698$67$115Klate10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 16, 2026April 16, 202631d2,380$29$69Klate10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SMarch 16, 2026April 16, 202631d2,214$67$149Klate10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 16, 2026April 16, 202631d3,226$25$82Klate10b5-1 planForm 4 ↗
Pye JohnEXPOOther AApril 6, 2026April 8, 20262d14,992——derivativeForm 4 ↗
Pye JohnEXPOOther AApril 6, 2026April 8, 20262d6,008——derivativeForm 4 ↗
SCHLENKER RICHARD L JREXPOOther AMarch 13, 2026March 16, 20263d10,688——derivativeForm 4 ↗
Sala JosephEXPOOther AMarch 13, 2026March 16, 20263d9,798——derivativeForm 4 ↗
Reitman Maureen T. F.EXPOOther AMarch 13, 2026March 16, 20263d9,500——derivativeForm 4 ↗
Reiss RichardEXPOOther AMarch 13, 2026March 16, 20263d2,970——derivativeForm 4 ↗
Rakow JosephEXPOOther AMarch 13, 2026March 16, 20263d10,688——derivativeForm 4 ↗
Pye JohnEXPOOther AMarch 13, 2026March 16, 20263d5,938——derivativeForm 4 ↗
Kundert BrianEXPOOther AMarch 13, 2026March 16, 20263d3,564——derivativeForm 4 ↗
James Bradley AEXPOOther AMarch 13, 2026March 16, 20263d4,454——derivativeForm 4 ↗
Corrigan CatherineEXPOOther AMarch 13, 2026March 16, 20263d17,814——derivativeForm 4 ↗
Reiss RichardEXPOOption / conversion MMarch 11, 2026March 13, 20262d2,120——derivativeForm 4 ↗
Reiss RichardEXPOSell FMarch 11, 2026March 13, 20262d958$70$67KForm 4 ↗
Reiss RichardEXPOOption / conversion MMarch 11, 2026March 13, 20262d2,120——Form 4 ↗
SCHLENKER RICHARD L JREXPOOption / conversion MMarch 11, 2026March 13, 20262d7,630——derivativeForm 4 ↗
SCHLENKER RICHARD L JREXPOSell FMarch 11, 2026March 13, 20262d3,694$70$259KForm 4 ↗
SCHLENKER RICHARD L JREXPOOption / conversion MMarch 11, 2026March 13, 20262d7,630——Form 4 ↗
Sala JosephEXPOOption / conversion MMarch 11, 2026March 13, 20262d3,180——derivativeForm 4 ↗
Sala JosephEXPOSell FMarch 11, 2026March 13, 20262d1,114$70$78KForm 4 ↗
Sala JosephEXPOOption / conversion MMarch 11, 2026March 13, 20262d3,180——Form 4 ↗
Reitman Maureen T. F.EXPOOption / conversion MMarch 11, 2026March 13, 20262d5,510——derivativeForm 4 ↗
Reitman Maureen T. F.EXPOSell FMarch 11, 2026March 13, 20262d1,756$70$123KForm 4 ↗
Reitman Maureen T. F.EXPOOption / conversion MMarch 11, 2026March 13, 20262d5,510——Form 4 ↗
Rakow JosephEXPOOption / conversion MMarch 11, 2026March 13, 20262d5,298——derivativeForm 4 ↗
Rakow JosephEXPOSell FMarch 11, 2026March 13, 20262d2,353$70$165KForm 4 ↗
Rakow JosephEXPOOption / conversion MMarch 11, 2026March 13, 20262d5,298——Form 4 ↗
Pye JohnEXPOOption / conversion MMarch 11, 2026March 13, 20262d5,934——derivativeForm 4 ↗
Pye JohnEXPOSell FMarch 11, 2026March 13, 20262d2,384$70$167KForm 4 ↗
Pye JohnEXPOOption / conversion MMarch 11, 2026March 13, 20262d5,934——Form 4 ↗
James Bradley AEXPOOption / conversion MMarch 11, 2026March 13, 20262d4,664——derivativeForm 4 ↗
James Bradley AEXPOSell FMarch 11, 2026March 13, 20262d1,559$70$109KForm 4 ↗
James Bradley AEXPOOption / conversion MMarch 11, 2026March 13, 20262d4,664——Form 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 11, 2026March 13, 20262d12,716——derivativeForm 4 ↗
Corrigan CatherineEXPOSell FMarch 11, 2026March 13, 20262d6,156$70$431KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MMarch 11, 2026March 13, 20262d12,716——Form 4 ↗
Reitman Maureen T. F.EXPOOther GFebruary 27, 2026February 27, 20260d140——Form 4 ↗
Corrigan CatherineEXPOOther AFebruary 20, 2026February 23, 20263d27,075——derivativeForm 4 ↗
Corrigan CatherineEXPOOther AFebruary 20, 2026February 23, 20263d1,425——derivativeForm 4 ↗
SCHLENKER RICHARD L JREXPOOther AFebruary 20, 2026February 23, 20263d17,575——derivativeForm 4 ↗
SCHLENKER RICHARD L JREXPOOther AFebruary 20, 2026February 23, 20263d1,425——derivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MFebruary 17, 2026February 18, 20261d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MFebruary 17, 2026February 18, 20261d3,226——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SFebruary 17, 2026February 18, 20261d1,702$67$114K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MFebruary 17, 2026February 18, 20261d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SFebruary 17, 2026February 18, 20261d2,218$67$149K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MFebruary 17, 2026February 18, 20261d3,226$25$82K10b5-1 planForm 4 ↗
SCHLENKER RICHARD L JREXPOOption / conversion MFebruary 11, 2026February 12, 20261d4,230——derivativeForm 4 ↗
SCHLENKER RICHARD L JREXPOOption / conversion MFebruary 11, 2026February 12, 20261d4,230$24$100KForm 4 ↗
Pye JohnEXPOSell SFebruary 10, 2026February 12, 20262d3,659$76$278KForm 4 ↗
Pye JohnEXPOSell SFebruary 10, 2026February 12, 20262d341$76$26KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJanuary 15, 2026January 20, 20265d2,380——late10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SJanuary 15, 2026January 20, 20265d1,663$73$121Klate10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MJanuary 15, 2026January 20, 20265d2,380$29$69Klate10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MDecember 16, 2025December 17, 20251d7,872——derivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MDecember 16, 2025December 17, 20251d7,872$25$200KForm 4 ↗
Corrigan CatherineEXPOOption / conversion MDecember 15, 2025December 16, 20251d3,225——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SDecember 15, 2025December 16, 20251d3,225$71$228K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MDecember 15, 2025December 16, 20251d3,225$25$82K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MNovember 17, 2025November 18, 20251d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MNovember 17, 2025November 18, 20251d3,225——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SNovember 17, 2025November 18, 20251d1,675$71$118K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MNovember 17, 2025November 18, 20251d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SNovember 17, 2025November 18, 20251d3,225$70$226K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MNovember 17, 2025November 18, 20251d3,225$25$82K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MOctober 15, 2025October 16, 20251d2,380——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOOption / conversion MOctober 15, 2025October 16, 20251d3,226——10b5-1 planderivativeForm 4 ↗
Corrigan CatherineEXPOSell SOctober 15, 2025October 16, 20251d1,704$67$114K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MOctober 15, 2025October 16, 20251d2,380$29$69K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOSell SOctober 15, 2025October 16, 20251d3,226$67$216K10b5-1 planForm 4 ↗
Corrigan CatherineEXPOOption / conversion MOctober 15, 2025October 16, 20251d3,226$25$82K10b5-1 planForm 4 ↗

Federal contracts (USAspending, awards started in the last 180 days)

Start dateAwarding agencyAward valueNAICSSource
September 28, 2026Department of Transportation$998,769541380USAspending ↗
September 29, 2026Department of Transportation$598,969541715USAspending ↗
July 30, 2026Department of Justice$66,388541199USAspending ↗
July 1, 2026Department of Justice$61,066541199USAspending ↗
July 14, 2026Department of Justice$42,018541199USAspending ↗
July 2, 2026Department of Justice$15,225541199USAspending ↗

Lobbying (Senate LDA, as client)

PeriodRegistrantPrimary issueAmountSource
2025 Q4PILLSBURY WINTHROP SHAW PITTMAN LLP——LDA ↗
2025 Q3PILLSBURY WINTHROP SHAW PITTMAN LLP——LDA ↗

Companies whose stock was traded by the same people who traded EXPO, by number of filers in common. It shows overlap in public filings and nothing else.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports11October 22, 2025October 22, 2025House Clerk search
SEC EDGAR, Form 446123October 16, 2025September 22, 2026Form 4 list on EDGAR
USAspending, federal contract awards6 awards———USAspending
Lobbying disclosure filings2 filings———LDA.gov search

Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.

Not investment advice. Public records shown as filed; no recommendation is made or implied.