Guardant Health, Inc.

GH

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001927831-26-000004
Filing date: Mar 5, 2026
Earliest execution date: Mar 4, 2026

Summary

Type

Sell

Net shares

-40,000

% of shares

-51.52%

Amount (USD)

$3,812,660

Insider confidence score

17.5 out of 100

Negative

  • Large discretionary sell (≥1% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+2,119.0

Price per Share

$47.20

Amount (USD)

$100,016.80

Acquired/Disposed

Acquired

Shares Owned Before

34,524.0

Shares Owned After

36,643.0

Transaction 2

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+15,000.0

Price per Share

$47.20

Amount (USD)

$708,000.00

Acquired/Disposed

Acquired

Shares Owned Before

36,643.0

Shares Owned After

51,643.0

Transaction 3

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+1,000.0

Price per Share

$74.00

Amount (USD)

$74,000.00

Acquired/Disposed

Acquired

Shares Owned Before

51,643.0

Shares Owned After

52,643.0

Transaction 4

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+5,000.0

Price per Share

$32.86

Amount (USD)

$164,300.00

Acquired/Disposed

Acquired

Shares Owned Before

52,643.0

Shares Owned After

57,643.0

Transaction 5

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+10,000.0

Price per Share

$28.37

Amount (USD)

$283,700.00

Acquired/Disposed

Acquired

Shares Owned Before

57,643.0

Shares Owned After

67,643.0

Transaction 6

Security

Common Stock

Action

Exercise

Date

2026-03-04

Code

M

Net shares

+10,000.0

Price per Share

$28.61

Amount (USD)

$286,100.00

Acquired/Disposed

Acquired

Shares Owned Before

67,643.0

Shares Owned After

77,643.0

Transaction 7

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-26,980.0

Price per Share

$95.12

Amount (USD)

$2,566,310.62

Acquired/Disposed

Disposed

Shares Owned Before

77,643.0

Shares Owned After

50,663.0

Transaction 8

Security

Common Stock

Action

Sell

Date

2026-03-04

Code

S

Net shares

-13,020.0

Price per Share

$95.73

Amount (USD)

$1,246,349.92

Acquired/Disposed

Disposed

Shares Owned Before

50,663.0

Shares Owned After

37,643.0

Derivative Transactions

Transaction 1

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-2,119.0

Acquired/Disposed

Disposed

Shares Owned Before

51,424.0

Shares Owned After

49,305.0

Transaction 2

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-15,000.0

Acquired/Disposed

Disposed

Shares Owned Before

49,305.0

Shares Owned After

34,305.0

Transaction 3

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-1,000.0

Acquired/Disposed

Disposed

Shares Owned Before

28,670.0

Shares Owned After

27,670.0

Transaction 4

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-5,000.0

Acquired/Disposed

Disposed

Shares Owned Before

11,414.0

Shares Owned After

6,414.0

Transaction 5

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-10,000.0

Acquired/Disposed

Disposed

Shares Owned Before

19,410.0

Shares Owned After

9,410.0

Transaction 6

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-04

Code

M

Net shares

-10,000.0

Acquired/Disposed

Disposed

Shares Owned Before

35,721.0

Shares Owned After

25,721.0

Filing's footnotes

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.