Quick Takeaways
- EXPO - EXPONENT INC has 20 insiders with reported activity on this page.
- Net insider value flow over the last year: -$3,382,535.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 20 Insiders of EXPONENT INC
- Symbol
- EXPO on Nasdaq
- Location
- Menlo Park, CA
What Changed
- Buy value: $29,049; sell value: $3,411,584.
- Net share flow: -47,707.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$3,382,535.
Buys
$29,049
Shares: 415
Insiders: 2
Sells
$3,411,584
Shares: 48,122
Insiders: 5
Net
-$3,382,535
Shares: -47,707
Insiders: -3
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 15,741 | $0 | $1,095,776 | -$1,095,776 |
| 3-6 | 89 | 9,788 | $5,931 | $693,625 | -$687,693 |
| 6-9 | 80 | 16,326 | $5,100 | $1,133,057 | -$1,127,958 |
| 9-12 | 246 | 6,267 | $18,018 | $489,126 | -$471,108 |
EXPONENT INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Richard L. Schlenker Jr. | EVP & Chief Financial Officer | $18,217,981 | +$12,159 | +0.07% | Mixed | 13 Mar 2026 |
| Catherine Corrigan | President & CEO, Director | $8,179,476 | -$2,505,889 | -23% | Mixed | 16 Mar 2026 |
| John B. Shoven | Director | $5,695,896 | Mixed | 07 Jun 2023 | ||
| Paul R. Johnston | Director | $4,846,304 | Mixed | 04 Jun 2025 | ||
| Maureen T. F. Reitman | Group Vice President | $3,624,129 | Mixed | 13 Mar 2026 | ||
| John Pye | VP Global Offices & Innovation | $2,735,851 | -$439,646 | -14% | Mixed | 06 Apr 2026 |
| Karen A. Richardson | Director | $2,630,741 | Mixed | 04 Jun 2025 | ||
| Debra Zumwalt | Director | $2,444,612 | Mixed | 04 Jun 2025 | ||
| Sally Shepard | Chief Human Resources Officer | $2,258,674 | Mixed | 15 Mar 2024 | ||
| Steven J. Murray | Group Vice President | $2,144,989 | Mixed | 21 Aug 2023 | ||
| Harri Kytomaa | Group Vice President | $1,146,832 | Mixed | 15 Mar 2023 | ||
| Joseph Rakow | Group Vice President | $940,861 | -$122,254 | -11% | Mixed | 13 Mar 2026 |
| George H. Brown | Director | $815,692 | Mixed | 04 Jun 2025 | ||
| Joseph Sala | Group Vice President | $734,623 | -$112,672 | -13% | Mixed | 13 Mar 2026 |
| Carol J. Lindstrom | Director | $713,402 | Mixed | 04 Jun 2025 | ||
| Eric Guyer | Group Vice Presient | $636,938 | Mixed | 20 May 2024 | ||
| Richard Reiss | Group Vice President | $468,849 | Mixed | 13 Mar 2026 | ||
| Bradley A. James | Group Vice President | $415,595 | -$214,233 | -34% | Mixed | 13 Mar 2026 |
| Brian Kundert | Chief Human Resources Officer | $226,901 | Mixed | 13 Mar 2026 | ||
| John Joseph Doyle | Group Vice President | $188,385 | Mixed | 10 Mar 2023 |
Top shareholders of EXPONENT INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
12%
|
6,164,467
|
$428,183,912 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
10%
|
5,143,010
|
$357,233,475 | — | 31 Dec 2025 | |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
|
Company |
8.3%
|
4,143,107
|
$287,780,254 | — | 31 Dec 2025 | |
| Conestoga Capital Advisors, LLC |
13D/G
13F
|
Conestoga Capital Advisors · Company |
5.1%
|
2,526,244
|
$175,473,413 | -$31,414,140 | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.7%
|
1,855,626
|
$128,891,782 | — | 31 Dec 2025 | |
| GENEVA CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.5%
|
1,727,401
|
$119,985,289 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
3.2%
|
1,590,205
|
$110,468,159 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
3%
|
1,478,536
|
$102,699,110 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2.3%
|
1,154,210
|
$80,171,600 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.8%
|
898,615
|
$62,419,191 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
1.8%
|
898,343
|
$62,398,914 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.5%
|
740,274
|
$51,419,432 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.5%
|
736,619
|
$51,165,556 | — | 31 Dec 2025 | |
| Resona Asset Management Co.,Ltd. |
13F
|
Company |
1.3%
|
668,102
|
$46,761,455 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
1.3%
|
652,109
|
$45,295,491 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
1.2%
|
600,966
|
$41,743,034 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.2%
|
581,878
|
$40,417,246 | — | 31 Dec 2025 | |
| RIVERBRIDGE PARTNERS LLC |
13F
|
Company |
1.1%
|
554,193
|
$38,494,276 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.1%
|
547,737
|
$38,045,788 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.1%
|
537,086
|
$37,305,969 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1%
|
523,704
|
$36,376,480 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
1%
|
520,453
|
$36,150,665 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1%
|
516,095
|
$35,847,959 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.96%
|
476,974
|
$33,130,584 | — | 31 Dec 2025 | |
| BAMCO INC /NY/ |
13F
|
Company |
0.94%
|
470,868
|
$32,706,491 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.93%
|
462,027
|
$32,092,421 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.79%
|
392,638
|
$27,272,609 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.76%
|
377,500
|
$26,221,150 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.74%
|
368,991
|
$25,630,489 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.74%
|
368,655
|
$25,606,806 | — | 31 Dec 2025 | |
| COMERICA BANK |
13F
|
Company |
0.63%
|
314,203
|
$21,824,594 | — | 31 Dec 2025 | |
| ROFFMAN MILLER ASSOCIATES INC /PA/ |
13F
|
Company |
0.59%
|
296,001
|
$20,560,245 | — | 31 Dec 2025 | |
| FENIMORE ASSET MANAGEMENT INC |
13F
|
Company |
0.53%
|
266,892
|
$18,538,318 | — | 31 Dec 2025 | |
| Richard L. Schlenker Jr. |
3/4/5
|
EVP & Chief Financial Officer |
—
mixed-class rows
|
260,039
mixed-class rows
|
$18,217,981 | +$12,159 | 13 Mar 2026 | |
| EULAV Asset Management |
13F
|
Company |
0.52%
|
262,100
|
$18,205,466 | — | 31 Dec 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.52%
|
260,998
|
$18,128,914 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.51%
|
252,143
|
$17,513,853 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.47%
|
237,120
|
$16,470,355 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.44%
|
219,724
|
$15,262,030 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.42%
|
209,135
|
$14,526,000 | — | 31 Dec 2025 | |
| Granite Investment Partners, LLC |
13F
|
Company |
0.41%
|
206,221
|
$14,324,111 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.41%
|
205,618
|
$14,282,226 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.39%
|
196,995
|
$13,683,273 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.39%
|
195,822
|
$13,603,968 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.38%
|
191,611
|
$13,309,300 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.36%
|
180,738
|
$12,554,057 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.35%
|
176,404
|
$12,253,022 | — | 31 Dec 2025 | |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO |
13F
|
Company |
0.35%
|
173,372
|
$12,042,000 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.34%
|
168,700
|
$11,717,902 | — | 31 Dec 2025 | |
| BLI - Banque de Luxembourg Investments |
13F
|
Individual |
0.33%
|
162,649
|
$11,426,578 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for EXPONENT INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Catherine Corrigan | EXPO | Common Stock | Sale | -3.63% | $264,625 | $67.70 | -3,909 | 103,676 | 15 Apr 2026 | Direct |
| Catherine Corrigan | EXPO | Common Stock | Options Exercise | 5.58% | 5,605 | 106,056 | 15 Apr 2026 | Direct | ||
| Catherine Corrigan | EXPO | Non-Qualified Stock Option (right to buy) | Options Exercise | -46.5% | -5,605 | 6,451 | 15 Apr 2026 | Direct | ||
| John Pye | EXPO | Non-Qualified Stock Option (right to buy) | Award | 14,992 | 14,992 | 06 Apr 2026 | Direct | |||
| John Pye | EXPO | Incentive Stock Option (right to buy) | Award | 6,008 | 6,008 | 06 Apr 2026 | Direct | |||
| Catherine Corrigan | EXPO | Common Stock | Sale | -3.69% | $264,014 | $67.49 | -3,912 | 101,981 | 16 Mar 2026 | Direct |
| Catherine Corrigan | EXPO | Common Stock | Options Exercise | 5.68% | 5,606 | 104,361 | 16 Mar 2026 | Direct | ||
| Catherine Corrigan | EXPO | Non-Qualified Stock Option (right to buy) | Options Exercise | -36.7% | -5,606 | 9,676 | 16 Mar 2026 | Direct | ||
| Richard L. Schlenker Jr. | EXPO | Restricted Stock Units | Award | 10,688 | 10,688 | 13 Mar 2026 | Direct | |||
| Joseph Sala | EXPO | Restricted Stock Units | Award | 9,798 | 9,798 | 13 Mar 2026 | Direct | |||
| Maureen T. F. Reitman | EXPO | Restricted Stock Units | Award | 9,500 | 9,500 | 13 Mar 2026 | Direct | |||
| Richard Reiss | EXPO | Restricted Stock Units | Award | 2,970 | 2,970 | 13 Mar 2026 | Direct | |||
| Joseph Rakow | EXPO | Restricted Stock Units | Award | 10,688 | 10,688 | 13 Mar 2026 | Direct | |||
| John Pye | EXPO | Restricted Stock Units | Award | 5,938 | 5,938 | 13 Mar 2026 | Direct | |||
| Brian Kundert | EXPO | Restricted Stock Units | Award | 3,564 | 3,564 | 13 Mar 2026 | Direct | |||
| Bradley A. James | EXPO | Restricted Stock Units | Award | 4,454 | 4,454 | 13 Mar 2026 | Direct | |||
| Catherine Corrigan | EXPO | Restricted Stock Units | Award | 17,814 | 17,814 | 13 Mar 2026 | Direct | |||
| Richard Reiss | EXPO | Common Stock | Tax liability | -19.5% | -958 | 3,960 | 11 Mar 2026 | Direct | ||
| Richard Reiss | EXPO | Common Stock | Options Exercise | 75.8% | 2,120 | 4,918 | 11 Mar 2026 | Direct | ||
| Richard Reiss | EXPO | Restricted Stock Units | Options Exercise | -100% | -2,120 | 0 | 11 Mar 2026 | Direct | ||
| Richard L. Schlenker Jr. | EXPO | Common Stock | Tax liability | -1.58% | -3,694 | 230,351 | 11 Mar 2026 | Direct | ||
| Richard L. Schlenker Jr. | EXPO | Common Stock | Options Exercise | 3.37% | 7,630 | 234,045 | 11 Mar 2026 | Direct | ||
| Richard L. Schlenker Jr. | EXPO | Restricted Stock Units | Options Exercise | -100% | -7,630 | 0 | 11 Mar 2026 | Direct | ||
| Joseph Sala | EXPO | Common Stock | Tax liability | -35% | -1,114 | 2,066 | 11 Mar 2026 | Direct | ||
| Joseph Sala | EXPO | Common Stock | Options Exercise | 3,180 | 3,180 | 11 Mar 2026 | Direct | |||
| Joseph Sala | EXPO | Restricted Stock Units | Options Exercise | -100% | -3,180 | 0 | 11 Mar 2026 | Direct | ||
| Maureen T. F. Reitman | EXPO | Common Stock | Tax liability | -4.28% | -1,756 | 39,226 | 11 Mar 2026 | Direct | ||
| Maureen T. F. Reitman | EXPO | Common Stock | Options Exercise | 15.5% | 5,510 | 40,982 | 11 Mar 2026 | Direct | ||
| Maureen T. F. Reitman | EXPO | Restricted Stock Units | Options Exercise | -100% | -5,510 | 0 | 11 Mar 2026 | Direct | ||
| Joseph Rakow | EXPO | Common Stock | Tax liability | -44.4% | -2,353 | 2,945 | 11 Mar 2026 | Direct | ||
| Joseph Rakow | EXPO | Common Stock | Options Exercise | 5,298 | 5,298 | 11 Mar 2026 | Direct | |||
| Joseph Rakow | EXPO | Restricted Stock Units | Options Exercise | -100% | -5,298 | 0 | 11 Mar 2026 | Direct | ||
| John Pye | EXPO | Common Stock | Tax liability | -7.56% | -2,384 | 29,131 | 11 Mar 2026 | Direct | ||
| John Pye | EXPO | Common Stock | Options Exercise | 23.2% | 5,934 | 31,515 | 11 Mar 2026 | Direct | ||
| John Pye | EXPO | Restricted Stock Units | Options Exercise | -100% | -5,934 | 0 | 11 Mar 2026 | Direct | ||
| Bradley A. James | EXPO | Common Stock | Tax liability | -33.4% | -1,559 | 3,105 | 11 Mar 2026 | Direct | ||
| Bradley A. James | EXPO | Common Stock | Options Exercise | 4,664 | 4,664 | 11 Mar 2026 | Direct | |||
| Bradley A. James | EXPO | Restricted Stock Units | Options Exercise | -100% | -4,664 | 0 | 11 Mar 2026 | Direct | ||
| Catherine Corrigan | EXPO | Common Stock | Tax liability | -5.75% | -6,156 | 100,969 | 11 Mar 2026 | Direct | ||
| Catherine Corrigan | EXPO | Common Stock | Options Exercise | 13.5% | 12,716 | 107,125 | 11 Mar 2026 | Direct | ||
| Catherine Corrigan | EXPO | Restricted Stock Units | Options Exercise | -100% | -12,716 | 0 | 11 Mar 2026 | Direct | ||
| Maureen T. F. Reitman | EXPO | Common Stock | Gift | -0.39% | -140 | 35,472 | 27 Feb 2026 | Direct | ||
| Catherine Corrigan | EXPO | Non-Qualified Stock Option (right to buy) | Award | 27,075 | 27,075 | 20 Feb 2026 | Direct | |||
| Catherine Corrigan | EXPO | Incentive Stock Option (right to buy) | Award | 1,425 | 1,425 | 20 Feb 2026 | Direct | |||
| Richard L. Schlenker Jr. | EXPO | Non-Qualified Stock Option (right to buy) | Award | 17,575 | 17,575 | 20 Feb 2026 | Direct | |||
| Richard L. Schlenker Jr. | EXPO | Incentive Stock Option (right to buy) | Award | 1,425 | 1,425 | 20 Feb 2026 | Direct | |||
| Catherine Corrigan | EXPO | Common Stock | Sale | -4.01% | $263,240 | $67.15 | -3,920 | 93,731 | 17 Feb 2026 | Direct |
| Catherine Corrigan | EXPO | Common Stock | Options Exercise | 6.19% | 5,606 | 96,111 | 17 Feb 2026 | Direct | ||
| Catherine Corrigan | EXPO | Non-Qualified Stock Option (right to buy) | Options Exercise | -30.3% | -5,606 | 12,902 | 17 Feb 2026 | Direct | ||
| Richard L. Schlenker Jr. | EXPO | Common Stock | Options Exercise | 1.91% | 4,230 | 226,109 | 11 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.