SEC Form 4 · accession 0000851520-26-000084
EXPONENT INC · EXPO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Karen A Richardson
Director
Period of report
Jun 3, 2026
Accepted (ET)
Jun 4, 2026 · 9:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000851520
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Jun 3, 2026 | M | 2,009 | — | A | 2,009 | D | |
| Common Stock | holding | — | — | — | 32,232 | I | by Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF2,F3 | — | Jun 3, 2026 | M | 2,009 | D | Jun 3, 2026 | Jun 3, 2026 | Common Stock | 2,009 | 0 | D |
| Restricted Stock UnitsF2,F3,F4 | — | Jun 4, 2026 | A | 2,859 | A | Jun 4, 2027 | Jun 4, 2027 | Common Stock | 2,859 | 2,859 | D |
Explanation of responses
- F1Reflects the conversion of shares of vested Restricted Stock Units granted on June 5, 2025 into shares of Common Stock on a 1:1 basis.
- F2Not applicable.
- F31-for-1.
- F4Restricted stock units will cliff-vest on the day prior to the Company's next annual shareholder meeting.