Insider · CIK 0001752968

Eltoukhy Helmy

Reports to the SEC for 1 company · PALO ALTO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001752968

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-10-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−24K sh	—	—	23,998
2026-10-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+24K sh	—	—	1,966,320
2026-10-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+9,716 sh	—	—	1,976,036
2026-10-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−9,716 sh	—	—	48,580
2026-10-01	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−17.1K sh	$174.75	−$2.99M	1,958,949
2026-09-30	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+2,817 sh	—	—	1,943,751
2026-09-30	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−2,817 sh	—	—	2,817
2026-09-30	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−1,428 sh	$178.36	−$255K	1,942,323
2026-08-26	GHGuardant Health, Inc.J Other	Director, Co-Chief Executive Officer	JOther	−25K sh	—	—	1,970,934
2026-08-26	GHGuardant Health, Inc.J Other	Director, Co-Chief Executive Officer	JOther	+25K sh	—	—	60,000
2026-08-26	GHGuardant Health, Inc.G Gift	Director, Co-Chief Executive Officer	GGift	−30K sh	—	—	1,940,934
2026-08-11	GHGuardant Health, Inc.G Gift	Director, Co-Chief Executive Officer	GGift	+35K sh	—	—	35,000
2026-08-11	GHGuardant Health, Inc.G Gift	Director, Co-Chief Executive Officer	GGift	−35K sh	—	—	1,995,934
2026-07-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+24K sh	—	—	2,038,305
2026-07-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−9,715 sh	—	—	58,296
2026-07-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−24K sh	—	—	47,995
2026-07-01	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−17.1K sh	$170.77	−$2.92M	2,030,934
2026-07-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+9,715 sh	—	—	2,048,020
2026-06-30	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−2,817 sh	—	—	5,634
2026-06-30	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+2,817 sh	—	—	2,015,736
2026-06-30	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−1,428 sh	$150.03	−$214K	2,014,308
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−49.7K sh	$125.57	−$6.24M	2,063,203
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−900 sh	$131.78	−$119K	2,013,019
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−33.8K sh	$126.33	−$4.28M	2,029,360
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−1,100 sh	$127.02	−$140K	2,028,260
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−100 sh	$132.55	−$13.3K	2,012,919
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−13.8K sh	$128.25	−$1.77M	2,014,473
2026-06-05	GHGuardant Health, Inc.S Sale	Director, Co-Chief Executive Officer	SSale	−554 sh	$130.21	−$72.1K	2,013,919
2026-04-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−9,716 sh	—	—	68,011
2026-04-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−24K sh	—	—	71,992
2026-04-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+24K sh	—	—	2,120,290
2026-04-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+9,716 sh	—	—	2,130,006
2026-04-01	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−17.1K sh	$91.15	−$1.56M	2,112,919
2026-03-31	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+2,817 sh	—	—	2,097,721
2026-03-31	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−2,817 sh	—	—	8,451
2026-03-31	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−1,428 sh	$92.37	−$132K	2,096,293
2026-03-17	GHGuardant Health, Inc. · Restricted Stock UnitsA Award	Director, Co-Chief Executive Officer	AAward	+11.3K sh	—	—	11,268
2026-03-17	GHGuardant Health, Inc. · Restricted Stock UnitsA Award	Director, Co-Chief Executive Officer	AAward	+101K sh	—	—	101,409
2026-03-13	GHGuardant Health, Inc. · Performance-Based Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−27K sh	—	—	0
2026-03-13	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+27K sh	—	—	2,108,568
2026-03-13	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−13.7K sh	$85.49	−$1.17M	2,094,904
2026-01-01	GHGuardant Health, Inc.J Other	Director, Co-Chief Executive Officer	JOther	+13.2K sh	—	—	2,062,726
2026-01-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+38.3K sh	—	—	2,101,009
2026-01-01	GHGuardant Health, Inc.J Other	Director, Co-Chief Executive Officer	JOther	−13.2K sh	—	—	0
2026-01-01	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−19.4K sh	$102.14	−$1.98M	2,081,607
2026-01-01	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+24K sh	—	—	2,073,514
2026-01-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−38.3K sh	—	—	77,727
2026-01-01	GHGuardant Health, Inc.F Tax Payment	Director, Co-Chief Executive Officer	FTax Payment	−10.8K sh	$102.14	−$1.1M	2,062,726
2026-01-01	GHGuardant Health, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	−24K sh	—	—	95,989
2025-12-31	GHGuardant Health, Inc.M Exercise/Conversion	Director, Co-Chief Executive Officer	MExercise/Conversion	+4,815 sh	—	—	2,051,958

Recent filings

Accepted (ET)
Oct 24
Eltoukhy Helmy0001752968-26-000018
SEC(opens sec.gov)
Aug 274
Eltoukhy Helmy0001752968-26-000016
SEC(opens sec.gov)
Aug 124
Eltoukhy Helmy0001752968-26-000014
SEC(opens sec.gov)
Jul 24
Eltoukhy Helmy0001752968-26-000012
SEC(opens sec.gov)

Companies

Guardant Health, Inc.Director, Co-Chief Executive OfficerGH

Address

3100 HANOVER STREET

PALO ALTO, CA, 94304