Exhibit 4.2

BURNING ROCK BIOTECH LIMITED. - Class A Ordinary Shares

(Incorporated under the laws of the Cayman Islands)

Number Shares

Share Capital is US$50,000 divided into

(i) 230,000,000 Class A Ordinary Shares of a par value of US$0.0002 each,

(ii) 20,000,000 Class B Ordinary Shares of a par value of US$0.0002 each

THIS IS TO CERTIFY THAT

is the registered holder of

Shares in the above-named Company subject to the Memorandum and Articles of Association thereof .

EXECUTED for and on behalf of the said Company on                          20        

by:

DIRECTOR

TRANSFER
I		(the Transferor) for the value received
DO HEREBY transfer to		(the Transferee) the
		shares standing in my name in the
undertaking called Burning Rock Biotech Limited
To hold the same unto the Transferee
Dated
Signed by the Transferor
in the presence of:
Witness	Transferor