JOINT FILING AGREEMENT

Exhibit 1

JOINT FILING AGREEMENT

The undersigned hereby agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned, and any amendments thereto executed by the undersigned shall be filed on behalf of each of the undersigned without the necessity of filing any additional joint filing agreement. The undersigned acknowledge that each is responsible for the timely filing of such statement on Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning him, her or it contained therein, but shall not be responsible for the completeness or accuracy of the information concerning the others of the undersigned, except to the extent that he, she or it knows or has reason to believe that such information is inaccurate or incomplete. This Joint Filing Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

Dated: February 12, 2021

THE COLUMN GROUP, LP						THE COLUMN GROUP GP, LP
By:		The Column Group GP, LP
By:		/s/ Xxxxx Xxxxxxxxxx				By:		/s/ Xxxxx Xxxxxxxxxx
Name:		Xxxxx Xxxxxxxxxx				Name:		Xxxxx Xxxxxxxxxx
Title:		Managing Partner				Title:		Managing Partner
PONOI CAPITAL, LP						PONOI MANAGEMENT, LLC
By:		Ponoi Management, LLC
By:		/s/ Xxxxx Xxxxxxxxxx				By:		/s/ Xxxxx Xxxxxxxxxx
Name:		Xxxxx Xxxxxxxxxx				Name:		Xxxxx Xxxxxxxxxx
Title:		Managing Partner				Title:		Managing Partner
PONOI CAPITAL II, LP						PONOI II MANAGEMENT, LLC
By:		Ponoi II Management, LLC
By:		/s/ Xxxxx Xxxxxxxxxx				By:		/s/ Xxxxx Xxxxxxxxxx
Name:		Xxxxx Xxxxxxxxxx				Name:		Xxxxx Xxxxxxxxxx
Title:		Managing Partner				Title:		Managing Partner
THE COLUMN GROUP III, LP						THE COLUMN GROUP III GP, LP
By:		The Column Group III GP, LP
By:		/s/ Xxxxx Xxxxxxxxxx				By:		/s/ Xxxxx Xxxxxxxxxx
Name:		Xxxxx Xxxxxxxxxx				Name:		Xxxxx Xxxxxxxxxx
Title:		Managing Partner				Title:		Managing Partner

THE COLUMN GROUP III-A, LP
						By:		/s/ Xxxxx X. Xxxxxxx
By:		The Column Group III GP, LP						Xxxxx X. Xxxxxxx
By:		/s/ Xxxxx Xxxxxxxxxx				By:		/s/ Xxx Xxxxxxx
Name:		Xxxxx Xxxxxxxxxx						Xxx Xxxxxxx
Title:		Managing Partner
						By:		/s/ Xxxxx Xxxxxxxxxx
								Xxxxx Xxxxxxxxxx