SEC Form 4 · accession 0000851520-26-000096
EXPONENT INC · EXPO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Catherine Corrigan
Officer — Chief Executive Officer · Director
Period of report
Aug 17, 2026
Accepted (ET)
Aug 18, 2026 · 9:43 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000851520
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 17, 2026 | M | 2,379 | $29.05 | A | 130,815 | D | |
| Common Stock | Aug 17, 2026 | S | 1,707 | $66.2776 | D | 129,108 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-Qualified Stock Option (right to buy)F3,F2 | $29.05 | Aug 17, 2026 | M | 2,379 | D | — | Feb 16, 2027 | Common Stock | 2,379 | 0 | D |
Explanation of responses
- F1Stock sale was to cover the option exercise price and taxes.
- F2The stock option becomes exercisable in four equal annual installments.
- F3Not applicable.