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: 4/2/2026ACC: 0001977179-26-000010

InsiderCHUDOVA DARYACIK 1977179

→

IssuerGUARDANT HEALTH, INC.CIK 1576280

Officer· Chief Technology Officer

Since Mar 2026

-7K

Net shares

Net seller

$638.5K

Total sold

Open market trades

0B · 0S

Total transactions

13.03K acquired · 20.03K disposed

Non-Derivative Transactions5

Common Stock

Direct

M · Option Exercise

+1.34K

Price / share

—

Trade value

—

% of position

2.1%

4/1/2026

64.35K→65.69K

Common Stock

Direct

M · Option Exercise

+1.67K

Price / share

—

Trade value

—

% of position

2.5%

4/1/2026

65.69K→67.36K

Common Stock

Direct

M · Option Exercise

+3.32K

Price / share

—

Trade value

—

% of position

4.9%

4/1/2026

67.36K→70.68K

Common Stock

Direct

M · Option Exercise

+6.70K

Price / share

—

Trade value

—

% of position

9.5%

4/1/2026

70.68K→77.38K

Common Stock

Direct

F · Tax Withholding

−7K

Price / share

$91.15

Trade value

$638.51K

% of position

9.1%

4/1/2026

77.38K→70.38K

Total

Net shares

+6.02K

Net value

-$638.51K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/1/2026	M · Option Exercise	+1.34K	—	—	2.1%	64.35K	65.69K
Common Stock Direct	4/1/2026	M · Option Exercise	+1.67K	—	—	2.5%	65.69K	67.36K
Common Stock Direct	4/1/2026	M · Option Exercise	+3.32K	—	—	4.9%	67.36K	70.68K
Common Stock Direct	4/1/2026	M · Option Exercise	+6.70K	—	—	9.5%	70.68K	77.38K
Common Stock Direct	4/1/2026	F · Tax Withholding	−7K	$91.15	$638.51K	9.1%	77.38K	70.38K
Total			+6.02K		-$638.51K

Derivative Transactions4

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.34K shares

−1.34K

Strike price

Held after

2.68K

Exercisable

—

4/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.67K shares

−1.67K

Strike price

Held after

3.33K

Exercisable

—

4/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.32K shares

−3.32K

Strike price

Held after

19.94K

Exercisable

—

4/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

6.70K shares

−6.70K

Strike price

Held after

13.60K

Exercisable

—

4/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock1.34K shares	4/1/2026	M · Option Exercise	−1.34K	—	2.68K
Restricted Stock Units Direct	Common Stock1.67K shares	4/1/2026	M · Option Exercise	−1.67K	—	3.33K
Restricted Stock Units Direct	Common Stock3.32K shares	4/1/2026	M · Option Exercise	−3.32K	—	19.94K
Restricted Stock Units Direct	Common Stock6.70K shares	4/1/2026	M · Option Exercise	−6.70K	—	13.60K