Insider Trading History of Lanman Richard B.

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Lanman Richard B. since year 2005. The trader's CIK number is 1721003. At the time of the last reporting, Lanman Richard B. was the Chief Medical Officer of Guardant Health, Inc. . (stock ticker symbol GH). See this page for all insider trading activities at Guardant Health, Inc. .

Stock purchases, sales, and option exercises reported by insider *Lanman Richard B.* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2019-08-09	GH	Guardant Health, Inc.	Option Ex	5,765	6.49	37,414
2019-08-09	GH	Guardant Health, Inc.	Sale	63,075	105.59	6,659,836
2019-05-16	GH	Guardant Health, Inc.	Sale	1,690	80.00	135,200
2019-05-01	GH	Guardant Health, Inc.	Option Ex	3,842	6.49	24,934
2019-05-01	GH	Guardant Health, Inc.	Sale	3,842	65.06	249,941
2019-04-15	GH	Guardant Health, Inc.	Option Ex	45,000	1.43	64,350
2019-04-16	GH	Guardant Health, Inc.	Option Ex	45,000	1.43	64,350
2019-04-15	GH	Guardant Health, Inc.	Sale	45,000	75.02	3,375,675
2019-04-17	GH	Guardant Health, Inc.	Option Ex	46,244	4.80	222,109
2019-04-16	GH	Guardant Health, Inc.	Sale	45,000	76.56	3,445,200
2019-04-17	GH	Guardant Health, Inc.	Sale	46,244	72.32	3,344,366

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Lanman Richard B. (Chief Medical Officer of Guardant Health, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.