SEC Form 4 · Updated Daily
EXPO
— EXPONENT, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| SCHLENKER RICHARD L JR | Officer | 230,351 | 2026-03-11 | F |
| Corrigan Catherine | Director · Officer | 129,108 | 2026-08-17 | S |
| JOHNSTON PAUL R | Director | 62,940 | 2026-06-03 | M |
| Reitman Maureen T. F. | Officer | 39,226 | 2026-03-11 | F |
| Zumwalt Debra | Director | 31,830 | 2026-06-03 | M |
| Pye John | Officer | 29,131 | 2026-03-11 | F |
| Brown George H. | Director | 10,730 | 2026-06-03 | M |
| Lindstrom Carol | Director | 9,405 | 2026-06-03 | M |
| Reiss Richard | Officer | 2,288 | 2026-05-19 | S |
| RICHARDSON KAREN A | Director | 2,009 | 2026-06-03 | M |
| James Bradley A | Officer | 1,105 | 2026-05-26 | S |
| Rakow Joseph | Officer | 0 | 2026-05-13 | S |
| Sala Joseph | Officer | 0 | 2026-05-13 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-17 | Corrigan Catherine | Option exercise (derivative) | 2,379 | — | 0 |
| 2026-08-17 | Corrigan Catherine | Open-market sale | 1,707 | $66.28 | 129,108 |
| 2026-08-17 | Corrigan Catherine | Option exercise | 2,379 | $29.05 | 130,815 |
| 2026-07-28 | Corrigan Catherine | Option exercise (derivative) | 12,665 | — | 12,665 |
| 2026-07-28 | Corrigan Catherine | Option exercise | 12,665 | $37.45 | 128,436 |
| 2026-07-15 | Corrigan Catherine | Option exercise (derivative) | 2,379 | — | 2,379 |
| 2026-07-15 | Corrigan Catherine | Open-market sale | 1,737 | $62.78 | 115,771 |
| 2026-07-15 | Corrigan Catherine | Option exercise | 2,379 | $29.05 | 117,508 |
| 2026-06-25 | Corrigan Catherine | Option exercise (derivative) | 7,872 | — | 0 |
| 2026-06-25 | Corrigan Catherine | Option exercise | 7,872 | $25.41 | 115,129 |
| 2026-06-15 | Corrigan Catherine | Option exercise (derivative) | 2,380 | — | 4,758 |
| 2026-06-15 | Corrigan Catherine | Option exercise (derivative) | 3,225 | — | 0 |
| 2026-06-15 | Corrigan Catherine | Open-market sale | 1,793 | $57.13 | 107,257 |
| 2026-06-15 | Corrigan Catherine | Option exercise | 2,380 | $29.05 | 109,050 |
| 2026-06-15 | Corrigan Catherine | Open-market sale | 2,326 | $57.13 | 106,670 |
| 2026-06-15 | Corrigan Catherine | Option exercise | 3,225 | $25.41 | 108,996 |
| 2026-06-04 | Zumwalt Debra | Grant / award (derivative) | 2,859 | — | 2,859 |
| 2026-06-04 | RICHARDSON KAREN A | Grant / award (derivative) | 2,859 | — | 2,859 |
| 2026-06-04 | Brown George H. | Grant / award (derivative) | 2,859 | — | 2,859 |
| 2026-06-04 | Lindstrom Carol | Grant / award (derivative) | 2,859 | — | 2,859 |
| 2026-06-03 | JOHNSTON PAUL R | Option exercise (derivative) | 2,009 | — | 0 |
| 2026-06-03 | JOHNSTON PAUL R | Option exercise | 2,009 | — | 62,940 |
| 2026-06-03 | Zumwalt Debra | Option exercise (derivative) | 2,009 | — | 0 |
| 2026-06-03 | Zumwalt Debra | Option exercise | 2,009 | — | 31,830 |
| 2026-06-03 | RICHARDSON KAREN A | Option exercise (derivative) | 2,009 | — | 0 |
| 2026-06-03 | RICHARDSON KAREN A | Option exercise | 2,009 | — | 2,009 |
| 2026-06-03 | Brown George H. | Option exercise (derivative) | 2,009 | — | 0 |
| 2026-06-03 | Brown George H. | Option exercise | 2,009 | — | 10,730 |
| 2026-06-03 | Lindstrom Carol | Option exercise (derivative) | 2,009 | — | 0 |
| 2026-06-03 | Lindstrom Carol | Option exercise | 2,009 | — | 9,405 |
| 2026-05-26 | James Bradley A | Open-market sale | 2,000 | $57.47 | 1,105 |
| 2026-05-19 | Reiss Richard | Open-market sale | 1,672 | $58.65 | 2,288 |
| 2026-05-15 | Corrigan Catherine | Option exercise (derivative) | 2,380 | — | 7,138 |
| 2026-05-15 | Corrigan Catherine | Option exercise (derivative) | 3,226 | — | 3,225 |
| 2026-05-15 | Corrigan Catherine | Open-market sale | 1,827 | $54.06 | 105,771 |
| 2026-05-15 | Corrigan Catherine | Option exercise | 2,380 | $29.05 | 107,598 |
| 2026-05-15 | Corrigan Catherine | Open-market sale | 2,367 | $54.06 | 105,218 |
| 2026-05-15 | Corrigan Catherine | Option exercise | 3,226 | $25.41 | 107,585 |
| 2026-05-13 | Sala Joseph | Open-market sale | 2,066 | $56.66 | 0 |
| 2026-05-13 | Rakow Joseph | Open-market sale | 2,945 | $54.66 | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.