EX-99.A 2 d946263dex99a.htm EX-99.A

EX-99.A

EXHIBIT A

Joint Filing Statement

We, the undersigned, hereby express our agreement that the attached Amendment No. 2 to Schedule 13D is filed on behalf of each of us.

Dated: August 26, 2020
THE COLUMN GROUP II, LP						THE COLUMN GROUP II GP, LP
By:		The Column Group II GP, LP				By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
PONOI CAPITAL, LP						PONOI MANAGEMENT, LLC
By:		Ponoi Management, LLC				By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
PONOI CAPITAL II, LP						PONOI II MANAGEMENT, LLC
By:		Ponoi II Management, LLC				By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
THE COLUMN GROUP MANAGEMENT II, LP
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact on behalf of Peter Svennilson				By:		/s/ Jennifer J. Carlson, Attorney-in-Fact on behalf of Tim Kutzkey
By:		/s/ Jennifer J. Carlson, Attorney-in-Fact on behalf of David V. Goeddel