GUARDANT HEALTH INC

Ticker: GH CUSIP: 40131M109 Class: EQTY

Canton Hathaway, LLC's Holding History (CIK: 0001755785)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 6,780 Value ($000) $693 Avg Close $89.46 Range $60.45 - $112.43

Q3 2025

Shares 7,950 Value ($000) $497 Avg Close $54.40 Range $40.35 - $68.00

Q2 2025

Shares 8,870 Value ($000) $0 Avg Close $44.66 Range $36.36 - $53.42

Q1 2025

Shares 8,280 Value ($000) $0 Avg Close $43.14 Range $30.97 - $50.89

Q2 2024

Shares 2,050 Value ($000) $0 Avg Close $23.27 Range $15.81 - $32.30

Q2 2021

Shares 220 Value ($000) $27 Avg Close $134.51 Range $108.03 - $169.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,780	$693	$89.46	$60.45 - $112.43
Q3 2025	7,950	$497	$54.40	$40.35 - $68.00
Q2 2025	8,870	$0	$44.66	$36.36 - $53.42
Q1 2025	8,280	$0	$43.14	$30.97 - $50.89
Q2 2024	2,050	$0	$23.27	$15.81 - $32.30
Q2 2021	220	$27	$134.51	$108.03 - $169.43