Guardant Health (GH) 4: Kalia Kumud bought 2,119 shares of Common Stock at $47.20 o… (Mar 5, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-04 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Guardant Health, Inc. (GH) CIK: 0001576280 --- Reporting Owner --- Name: Kalia Kumud CIK: 0001927831 Role: Officer (Chief Information Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +2,119 | Price: $47.20 Total Value: $100,016.80 Shares Owned After: 36,643 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +15,000 | Price: $47.20 Total Value: $708,000.00 Shares Owned After: 51,643 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +1,000 | Price: $74.00 Total Value: $74,000.00 Shares Owned After: 52,643 | Ownership: D (Direct) [Transaction #4] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +5,000 | Price: $32.86 Total Value: $164,300.00 Shares Owned After: 57,643 | Ownership: D (Direct) [Transaction #5] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +10,000 | Price: $28.37 Total Value: $283,700.00 Shares Owned After: 67,643 | Ownership: D (Direct) [Transaction #6] Security: Common Stock Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: +10,000 | Price: $28.61 Total Value: $286,100.00 Shares Owned After: 77,643 | Ownership: D (Direct) [Transaction #7] Security: Common Stock Date: 2026-03-04 | Code: S (Open market sale) Shares: -26,980 | Price: $95.12 Total Value: $2,566,310.62 Shares Owned After: 50,663 | Ownership: D (Direct) Footnotes: [F1] Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $94.460 to $95.455. 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. [Transaction #8] Security: Common Stock Date: 2026-03-04 | Code: S (Open market sale) Shares: -13,020 | Price: $95.73 Total Value: $1,246,349.92 Shares Owned After: 37,643 | Ownership: D (Direct) Footnotes: [F2] Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $95.46 to $96.14. 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. --- Derivative Transactions --- [Transaction #1] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -2,119 | Price: $0.00 Exercisable: N/A | Expires: 2032-11-07 Shares Owned After: 49,305 | Ownership: D (Direct) Footnotes: [F3] This represents a stock option award granted on November 7, 2022 that vests over a four-year period. 25% of the shares subject to such award vested on November 7, 2023 and the remaining 75% of the shares vests in equal monthly installments over the remaining three-year period thereafter. [Transaction #2] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -15,000 | Price: $0.00 Exercisable: N/A | Expires: 2032-11-07 Shares Owned After: 34,305 | Ownership: D (Direct) Footnotes: [F3] This represents a stock option award granted on November 7, 2022 that vests over a four-year period. 25% of the shares subject to such award vested on November 7, 2023 and the remaining 75% of the shares vests in equal monthly installments over the remaining three-year period thereafter. [Transaction #3] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -1,000 | Price: $0.00 Exercisable: N/A | Expires: 2030-04-20 Shares Owned After: 27,670 | Ownership: D (Direct) Footnotes: [F4] This represents a stock option award granted on April 20, 2020 that vests over a four-year period. 25% of the shares subject to such award vested on January 7, 2021 and the remaining 75% of the shares vested in equal monthly installments over the three-year period thereafter. [Transaction #4] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -5,000 | Price: $0.00 Exercisable: N/A | Expires: 2033-06-09 Shares Owned After: 6,414 | Ownership: D (Direct) Footnotes: [F5] This represents a stock option award granted on June 9, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on June 9, 2024 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. [Transaction #5] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -10,000 | Price: $0.00 Exercisable: N/A | Expires: 2033-12-13 Shares Owned After: 9,410 | Ownership: D (Direct) Footnotes: [F6] This represents a stock option award granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. [Transaction #6] Security: Stock Option (Right to Buy) Date: 2026-03-04 | Code: M (Exercise of derivative) Shares: -10,000 | Price: $0.00 Exercisable: N/A | Expires: 2034-11-08 Shares Owned After: 25,721 | Ownership: D (Direct) Footnotes: [F7] This represents a stock option award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. --- Footnotes (Complete Index) --- F1: Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $94.460 to $95.455. 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. F2: Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $95.46 to $96.14. 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. F3: This represents a stock option award granted on November 7, 2022 that vests over a four-year period. 25% of the shares subject to such award vested on November 7, 2023 and the remaining 75% of the shares vests in equal monthly installments over the remaining three-year period thereafter. F4: This represents a stock option award granted on April 20, 2020 that vests over a four-year period. 25% of the shares subject to such award vested on January 7, 2021 and the remaining 75% of the shares vested in equal monthly installments over the three-year period thereafter. F5: This represents a stock option award granted on June 9, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on June 9, 2024 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. F6: This represents a stock option award granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. F7: This represents a stock option award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% of the shares vests in equal monthly installments over the remaining two-year period thereafter. --- Signature --- /s/ /s/ John G. Saia, as attorney-in-fact for Kumud Kalia (2026-03-05)