Companies / Guardant Health, Inc. / Activity

Activity — Guardant Health, Inc.

211 moves.

Top impact Insider · CEO moves Insider · biggest buys Insider · biggest sells Institution · biggest moves Institution · new positions

Date	Actor	Action	Security	Value	Shares Δ	Position after	Impact
Jun 17, 2026	Clark Ian T Director	Exercise	Common Stock	$0	+5K +171.16%	8,067 <0.01% of shares	low
Jun 21, 2026	Mignone Roberto Director	Exercise	Common Stock	$0	+264 +2.86%	9,482 <0.01% of shares	low
May 21, 2026	Mignone Roberto Director	Exercise	Common Stock	$0	+264 +2.95%	9,218 <0.01% of shares	low
Jun 17, 2026	Mignone Roberto Director	Exercise	Common Stock	$0	+4K +88.47%	8,954 <0.01% of shares	low
Apr 21, 2026	Mignone Roberto Director	Exercise	Common Stock	$0	+264 +5.88%	4,751 <0.01% of shares	low
Jun 17, 2026	Potter Myrtle S Director	Exercise	Common Stock	$0	+4K +22.94%	22,527 0.02% of shares	low
Dec 17, 2025	Chudova Darya Executive	Gift	Common Stock	$0	-3K -4.77%	59,397 0.04% of shares	low
Dec 8, 2025	Chudova Darya Executive	Other	Common Stock	$0	+45K +257.87%	62,370 0.05% of shares	low
Dec 8, 2025	Chudova Darya Executive	Other	Common Stock	$0	-45K -82.49%	9,538 <0.01% of shares	low
Dec 31, 2025	Talasaz AmirAli CEO	Other	Common Stock	$0	+83K +4.14%	2,083,102 1.55% of shares	low
Dec 31, 2025	Talasaz AmirAli CEO	Other	Common Stock	$0	+2.0M	2,000,248 1.49% of shares	low
Dec 31, 2025	Talasaz AmirAli CEO	Other	Common Stock	$0	-83K -100.00%	0 0.00% of shares	low
Dec 31, 2025	Talasaz AmirAli CEO	Other	Common Stock	$0	-2.0M -99.34%	13,209 <0.01% of shares	low
Dec 31, 2025	Eltoukhy Helmy CEO	Other	Common Stock	$0	+2.0M	2,049,517 1.53% of shares	low
Dec 31, 2025	Eltoukhy Helmy CEO	Other	Common Stock	$0	-2.0M -99.36%	13,209 <0.01% of shares	low
Mar 13, 2026	Talasaz AmirAli CEO	Exercise	Common Stock	$0	+27K +1.27%	2,142,153 1.60% of shares	low
Jan 1, 2026	Talasaz AmirAli CEO	Exercise	Common Stock	$0	+38K +1.83%	2,134,594 1.59% of shares	low
Jan 1, 2026	Talasaz AmirAli CEO	Other	Common Stock	$0	+13K +0.63%	2,096,311 1.56% of shares	low
Jan 1, 2026	Talasaz AmirAli CEO	Other	Common Stock	$0	-13K -100.00%	0 0.00% of shares	low
Jan 1, 2026	Talasaz AmirAli CEO	Exercise	Common Stock	$0	+24K +1.20%	2,024,245 1.51% of shares	low
Dec 31, 2025	Talasaz AmirAli CEO	Exercise	Common Stock	$0	+5K +0.24%	2,002,689 1.49% of shares	low
Mar 13, 2026	Eltoukhy Helmy CEO	Exercise	Common Stock	$0	+27K +1.30%	2,108,568 1.57% of shares	low
Jan 1, 2026	Eltoukhy Helmy CEO	Exercise	Common Stock	$0	+38K +1.86%	2,101,009 1.57% of shares	low
Jan 1, 2026	Eltoukhy Helmy CEO	Other	Common Stock	$0	+13K +0.64%	2,062,726 1.54% of shares	low
Jan 1, 2026	Eltoukhy Helmy CEO	Other	Common Stock	$0	-13K -100.00%	0 0.00% of shares	low
Jan 1, 2026	Eltoukhy Helmy CEO	Exercise	Common Stock	$0	+24K +1.17%	2,073,514 1.55% of shares	low
Dec 31, 2025	Eltoukhy Helmy CEO	Exercise	Common Stock	$0	+5K +0.24%	2,051,958 1.53% of shares	low
Mar 15, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+1K +1.68%	61,525 0.05% of shares	low
Mar 15, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+8K +14.78%	60,506 0.05% of shares	low
Jan 1, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+3K +4.89%	62,703 0.05% of shares	low
Jan 1, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+6K +10.52%	59,778 0.04% of shares	low
Jan 1, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+2K +3.18%	54,090 0.04% of shares	low
Jan 1, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+8K +17.46%	52,423 0.04% of shares	low
Jan 1, 2026	Saia John G. Executive	Exercise	Common Stock	$0	+974 +2.23%	44,631 0.03% of shares	low
Mar 15, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+2K +3.92%	54,014 0.04% of shares	low
Mar 15, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+11K +25.37%	51,975 0.04% of shares	low
Mar 15, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+1K +3.07%	41,457 0.03% of shares	low
Jan 1, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+2K +4.12%	52,703 0.04% of shares	low
Jan 1, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+7K +16.34%	50,619 0.04% of shares	low
Jan 1, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+3K +8.27%	43,509 0.03% of shares	low
Jan 1, 2026	Bell Michael Brian Executive	Exercise	Common Stock	$0	+11K +35.46%	40,185 0.03% of shares	low
Feb 28, 2026	Krognes Steve E. Director	Exercise	Common Stock	$0	+154 +0.81%	19,053 0.01% of shares	low
Jan 31, 2026	Krognes Steve E. Director	Exercise	Common Stock	$0	+154 +0.82%	18,899 0.01% of shares	low
Dec 31, 2025	Krognes Steve E. Director	Exercise	Common Stock	$0	+154 +0.83%	18,745 0.01% of shares	low
Jan 15, 2026	Monroe Terilyn J. Executive	Exercise	Common Stock	$0	+17K +82.80%	38,369 0.03% of shares	low
Jan 1, 2026	Monroe Terilyn J. Executive	Exercise	Common Stock	$0	+3K +7.41%	38,545 0.03% of shares	low
Jan 1, 2026	Monroe Terilyn J. Executive	Exercise	Common Stock	$0	+15K +70.97%	35,886 0.03% of shares	low
Mar 21, 2026	Mignone Roberto Director	Exercise	Common Stock	$0	+264 +6.25%	4,487 <0.01% of shares	low
Mar 17, 2026	Hidalgo Medina Manuel Director	Exercise	Common Stock	$0	+232 +19.45%	1,425 <0.01% of shares	low
Mar 15, 2026	Chudova Darya Executive	Exercise	Common Stock	$0	+11K +18.04%	70,111 0.05% of shares	low