Insider Transactions in Q3 2025 at Guardant Health, Inc. (GH)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 30
2025
|
Helmy Eltoukhy Co-Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,440
-0.11%
|
$151,280
$62.48 P/Share
|
|
Sep 30
2025
|
Helmy Eltoukhy Co-Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
4,814
+0.23%
|
-
|
|
Sep 30
2025
|
Steve E. Krognes Director |
BUY
Exercise of conversion of derivative security
|
Direct |
154
+0.84%
|
-
|
|
Sep 30
2025
|
Amir Ali Talasaz Co-Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,440
-0.12%
|
$151,280
$62.48 P/Share
|
|
Sep 30
2025
|
Amir Ali Talasaz Co-Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
4,814
+0.24%
|
-
|
|
Sep 17
2025
|
Medina Manuel Hidalgo Director |
BUY
Exercise of conversion of derivative security
|
Direct |
232
+17.64%
|
-
|
|
Sep 17
2025
|
Myrtle S Potter Director |
SELL
Open market or private sale
|
Direct |
26
-0.14%
|
$1,430
$55.63 P/Share
|
|
Sep 17
2025
|
Musa Tariq Director |
SELL
Open market or private sale
|
Direct |
116
-1.51%
|
$6,380
$55.63 P/Share
|
|
Sep 15
2025
|
Chris Freeman Chief Commercial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
594
-1.18%
|
$32,076
$54.79 P/Share
|
|
Sep 15
2025
|
Chris Freeman Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,402
+2.72%
|
-
|
|
Sep 15
2025
|
Kumud Kalia Chief Information Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
324
-1.66%
|
$17,496
$54.79 P/Share
|
|
Sep 15
2025
|
Kumud Kalia Chief Information Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
638
+3.17%
|
-
|
|
Sep 15
2025
|
John G. Saia Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
535
-1.16%
|
$28,890
$54.79 P/Share
|
|
Sep 15
2025
|
John G. Saia Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,019
+2.17%
|
-
|
|
Sep 15
2025
|
Myrtle S Potter Director |
BUY
Exercise of conversion of derivative security
|
Direct |
68
+0.37%
|
-
|
|
Sep 15
2025
|
Musa Tariq Director |
BUY
Exercise of conversion of derivative security
|
Direct |
249
+3.13%
|
-
|
|
Sep 15
2025
|
Michael Brian Bell Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,659
-3.58%
|
$89,586
$54.79 P/Share
|
|
Sep 15
2025
|
Michael Brian Bell Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,272
+3.46%
|
-
|
|
Sep 15
2025
|
Craig Eagle Chief Medical Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
711
-1.86%
|
$38,394
$54.79 P/Share
|
|
Sep 15
2025
|
Craig Eagle Chief Medical Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,402
+3.54%
|
-
|
|
Sep 12
2025
|
Medina Manuel Hidalgo Director |
SELL
Open market or private sale
|
Direct |
2,165
-71.78%
|
$116,910
$54.16 P/Share
|
|
Sep 09
2025
|
Helmy Eltoukhy Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
300,000
-6.2%
|
$17,700,000
$59.68 P/Share
|
|
Sep 02
2025
|
Meghan V. Joyce Director |
SELL
Open market or private sale
|
Direct |
100
-0.89%
|
$6,500
$65.84 P/Share
|
|
Sep 01
2025
|
Darya Chudova Chief Technology Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
161
-0.2%
|
$10,787
$67.42 P/Share
|
|
Sep 01
2025
|
Darya Chudova Chief Technology Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
316
+0.39%
|
-
|
|
Sep 01
2025
|
Kumud Kalia Chief Information Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
361
-1.88%
|
$24,187
$67.42 P/Share
|
|
Sep 01
2025
|
Kumud Kalia Chief Information Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
711
+3.57%
|
-
|
|
Sep 01
2025
|
John G. Saia Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
139
-0.31%
|
$9,313
$67.42 P/Share
|
|
Sep 01
2025
|
John G. Saia Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
264
+0.58%
|
-
|
|
Aug 31
2025
|
Steve E. Krognes Director |
BUY
Exercise of conversion of derivative security
|
Direct |
155
+0.85%
|
-
|
|
Aug 21
2025
|
Kumud Kalia Chief Information Officer |
SELL
Open market or private sale
|
Direct |
2,000
-9.76%
|
$122,000
$61.76 P/Share
|
|
Aug 19
2025
|
Myrtle S Potter Director |
SELL
Open market or private sale
|
Direct |
26
-0.14%
|
$1,534
$59.02 P/Share
|
|
Aug 19
2025
|
Musa Tariq Director |
SELL
Open market or private sale
|
Direct |
116
-1.53%
|
$6,844
$59.02 P/Share
|
|
Aug 17
2025
|
Medina Manuel Hidalgo Director |
BUY
Exercise of conversion of derivative security
|
Direct |
232
+7.14%
|
-
|
|
Aug 15
2025
|
Myrtle S Potter Director |
BUY
Exercise of conversion of derivative security
|
Direct |
69
+0.38%
|
-
|
|
Aug 15
2025
|
Musa Tariq Director |
BUY
Exercise of conversion of derivative security
|
Direct |
250
+3.2%
|
-
|
|
Aug 04
2025
|
Meghan V. Joyce Director |
BUY
Exercise of conversion of derivative security
|
Direct |
67
+0.59%
|
-
|
|
Jul 31
2025
|
Steve E. Krognes Director |
BUY
Exercise of conversion of derivative security
|
Direct |
154
+0.85%
|
-
|
|
Jul 17
2025
|
Musa Tariq Director |
SELL
Open market or private sale
|
Direct |
116
-1.56%
|
$5,568
$48.2 P/Share
|
|
Jul 17
2025
|
Medina Manuel Hidalgo Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,784
+50.0%
|
-
|
|
Jul 17
2025
|
Myrtle S Potter Director |
SELL
Open market or private sale
|
Direct |
26
-0.14%
|
$1,248
$48.2 P/Share
|
|
Jul 15
2025
|
Myrtle S Potter Director |
BUY
Exercise of conversion of derivative security
|
Direct |
68
+0.37%
|
-
|
|
Jul 15
2025
|
Musa Tariq Director |
BUY
Exercise of conversion of derivative security
|
Direct |
250
+3.25%
|
-
|
|
Jul 04
2025
|
Meghan V. Joyce Director |
BUY
Exercise of conversion of derivative security
|
Direct |
66
+0.59%
|
-
|
|
Jul 01
2025
|
Kumud Kalia Chief Information Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,365
-6.24%
|
$68,250
$50.71 P/Share
|
|
Jul 01
2025
|
Kumud Kalia Chief Information Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,691
+5.95%
|
-
|
|
Jul 01
2025
|
John G. Saia Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,386
-3.0%
|
$69,300
$50.71 P/Share
|
|
Jul 01
2025
|
John G. Saia Chief Legal Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,641
+2.81%
|
-
|
|
Jul 01
2025
|
Michael Brian Bell Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,057
-2.4%
|
$52,850
$50.71 P/Share
|
|
Jul 01
2025
|
Michael Brian Bell Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,084
+4.51%
|
-
|