CHUDOVA DARYA (Chief Technology Officer) exercised options at GUARDANT HEALTH, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 4 exercises

CHUDOVA DARYA

Filed: 7/2/2026ACC: 0001977179-26-000014

InsiderCHUDOVA DARYACIK 1977179

→

IssuerGUARDANT HEALTH, INC.CIK 1576280

Officer· Chief Technology Officer

Since Mar 2026

-4.32K

Net shares

Net seller

$737.4K

Total sold

Open market trades

0B · 0S

Total transactions

8.03K acquired · 12.35K disposed

Non-Derivative Transactions5

Common Stock

Direct

M · Option Exercise

+1.34K

Price / share

—

Trade value

—

% of position

1.8%

7/1/2026

74.66K→76K

Common Stock

Direct

M · Option Exercise

+1.67K

Price / share

—

Trade value

—

% of position

2.2%

7/1/2026

76K→77.67K

Common Stock

Direct

M · Option Exercise

+3.32K

Price / share

—

Trade value

—

% of position

4.3%

7/1/2026

77.67K→80.99K

Common Stock

Direct

M · Option Exercise

+1.70K

Price / share

—

Trade value

—

% of position

2.1%

7/1/2026

80.99K→82.69K

Common Stock

Direct

F · Tax Withholding

−4.32K

Price / share

$170.77

Trade value

$737.38K

% of position

5.2%

7/1/2026

82.69K→78.37K

Total

Net shares

+3.71K

Net value

-$737.38K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	7/1/2026	M · Option Exercise	+1.34K	—	—	1.8%	74.66K	76K
Common Stock Direct	7/1/2026	M · Option Exercise	+1.67K	—	—	2.2%	76K	77.67K
Common Stock Direct	7/1/2026	M · Option Exercise	+3.32K	—	—	4.3%	77.67K	80.99K
Common Stock Direct	7/1/2026	M · Option Exercise	+1.70K	—	—	2.1%	80.99K	82.69K
Common Stock Direct	7/1/2026	F · Tax Withholding	−4.32K	$170.77	$737.38K	5.2%	82.69K	78.37K
Total			+3.71K		-$737.38K

Derivative Transactions4

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.34K shares

−1.34K

Strike price

Held after

1.34K

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.67K shares

−1.67K

Strike price

Held after

1.67K

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.32K shares

−3.32K

Strike price

Held after

16.62K

Exercisable

—

7/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.70K shares

−1.70K

Strike price

Held after

11.90K

Exercisable

—

7/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock1.34K shares	7/1/2026	M · Option Exercise	−1.34K	—	1.34K
Restricted Stock Units Direct	Common Stock1.67K shares	7/1/2026	M · Option Exercise	−1.67K	—	1.67K
Restricted Stock Units Direct	Common Stock3.32K shares	7/1/2026	M · Option Exercise	−3.32K	—	16.62K
Restricted Stock Units Direct	Common Stock1.70K shares	7/1/2026	M · Option Exercise	−1.70K	—	11.90K