SEC Form 4 · accession 0001336504-26-000008
Guardant Health, Inc. · GH
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ian T Clark
Director
Period of report
Aug 4, 2026
Accepted (ET)
Aug 5, 2026 · 5:05 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001576280
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 4, 2026 | M | 2,255 | $91.11 | A | 10,322 | I | By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account |
| Common Stock | Aug 4, 2026 | M | 6,833 | $50.57 | A | 17,155 | I | By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account |
| Common StockF1 | Aug 4, 2026 | S | 9,088 | $158.9816 | D | 8,067 | I | By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account |
| Common StockF2 | Aug 4, 2026 | S | 5,092 | $158.8032 | D | 2,975 | I | By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F3 | $91.11 | Aug 4, 2026 | M | 2,255 | D | — | Jun 18, 2029 | Common Stock | 2,255 | 0 | D |
| Stock Option (Right to Buy)F4 | $50.57 | Aug 4, 2026 | M | 6,833 | D | — | Jun 18, 2035 | Common Stock | 6,833 | 0 | D |
Explanation of responses
- F1Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $158.510 to $159.435. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
- F2Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $158.51 to $159.14. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
- F3The stock option vested in full on June 12, 2020.
- F4The stock option vested in full on June 17, 2026.