Filing Details

The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

  NAMES OF REPORTING PERSONS

  The Column Group III, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  1,681,391 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  1,681,391 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  1,681,391 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  2.3% (2)

  TYPE OF REPORTING PERSON (see instructions)

  PN

All such shares are held of record by TCG III LP (as defined in Item 2(a) below). TCG III GP LP (as defined in Item 2(a) below) is the general partner of TCG III LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its final prospectus dated February 3, 2021 and filed with the Securities and Exchange Commission on February 5, 2021 pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended (the Prospectus).

  NAMES OF REPORTING PERSONS

  The Column Group III-A, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  1,898,815 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  1,898,815 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  1,898,815 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  2.6% (2)

  TYPE OF REPORTING PERSON (see instructions)

  PN

All such shares are held of record by TCG III-A LP (as defined in Item 2(a) below). TCG III GP LP is the general partner of TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  The Column Group III GP, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  3,580,206 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  3,580,206 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  3,580,206 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  4.9% (2)

  TYPE OF REPORTING PERSON (see instructions)

  PN

Consists of (i) 1,681,391 shares are held of record by TCG III LP and (ii) 1,898,815 shares held by TCG III-A LP. TCG III GP LP is the general partner of each of TCG III LP and TCG III-A LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey the managing partners of TCG III GP LP and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  Ponoi Capital, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  685,011 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  685,011 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  685,011 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0.9% (2)

  TYPE OF REPORTING PERSON (see instructions)

  PN

All such shares are held of record by Ponoi LP (as defined in Item 2(a) below). Ponoi LLC (as defined in Item 2(a) below) is the general partner of Ponoi LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing members of Ponoi LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  Ponoi Management, LLC

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  685,011 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  685,011 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  685,011 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0.9% (2)

  TYPE OF REPORTING PERSON (see instructions)

  OO

All such shares are held of record by Ponoi LP. Ponoi LLC is the general partner of Ponoi LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing members of Ponoi LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  Ponoi Capital II, LP

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  685,011 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  685,011 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  685,011 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0.9% (2)

  TYPE OF REPORTING PERSON (see instructions)

  PN

All such shares are held of record by Ponoi II LP (as defined in Item 2(a) below). Ponoi II LLC (as defined in Item 2(a) below) is the general partner of Ponoi II LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing members of Ponoi II LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  Ponoi II Management, LLC

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  685,011 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  685,011 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  685,011 (1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0.9% (2)

  TYPE OF REPORTING PERSON (see instructions)

  OO

All such shares are held of record by Ponoi II LP. Ponoi II LLC is the general partner of Ponoi II LP and may be deemed to have voting, investment and dispositive power with respect to these securities. Peter Svennilson, David Goeddel and Tim Kutzkey are the managing members of Ponoi II LLC and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

  NAMES OF REPORTING PERSONS

  The Column Group, LLC

  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

  (a)  ☐        (b)  ☒

  SEC USE ONLY

  CITIZENSHIP OR PLACE OF ORGANIZATION

  Delaware

NUMBER OF

SHARES

  BENEFICIALLY  

OWNED BY

EACH

REPORTING

PERSON

WITH

  SOLE VOTING POWER

  0

  SHARED VOTING POWER

  46 (1)

  SOLE DISPOSITIVE POWER

  0

  SHARED DISPOSITIVE POWER

  46 (1)

  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

  46(1)

  CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)

  ☐

  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

  0.0% (2)

  TYPE OF REPORTING PERSON (see instructions)

  OO

All such shares are held of record by TCG (as defined in item 2(a) below). Peter Svennilson, David Goeddel and Tim Kutzkey are the managing members of TCG and may each be deemed to share voting, investment and dispositive power with respect to these securities.

Based on 72,991,419 shares of Common Stock outstanding, including the full exercise by the underwriters of their option to purchase additional shares, as reported by the Issuer in its Prospectus.

Name of Issuer:

Address of Issuers Principal Executive Offices:

Name of Person Filing:

Address of Principal Business Office, or if None, Residence:

Citizenship:

Title of Class of Securities:

CUSIP Number:

If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

Ownership.

Amount beneficially owned:

Percent of class:

Number of shares as to which the person has:

Sole power to vote or to direct the vote

Shared power to vote or to direct the vote

Sole power to dispose or to direct the disposition of

Shared power to dispose or to direct the disposition of

Each of the Reporting Entities disclaims beneficial ownership as to such securities, except to the extent of his, her or its pecuniary interest therein.

Ownership of Five Percent or Less of a Class.

Ownership of More Than Five Percent on Behalf of Another Person.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Identification and Classification of Members of the Group.

Notice of Dissolution of the Group.

Certifications.

THE COLUMN GROUP III, LP

By:

The Column Group III GP, LP

By:

/s/ Peter Svennilson

By:

/s/ Peter Svennilson

Name:

Peter Svennilson

Name:

Peter Svennilson

Title:

Managing Partner

Title:

Managing Partner

By:

Ponoi Management, LLC

By:

/s/ Peter Svennilson

By:

/s/ Peter Svennilson

Name:

Peter Svennilson

Name:

Peter Svennilson

Title:

Managing Partner

Title:

Managing Partner

By:

Ponoi II Management, LLC

By:

/s/ Peter Svennilson

By:

/s/ Peter Svennilson

Name:

Peter Svennilson

Name:

Peter Svennilson

Title:

Managing Partner

Title:

Managing Partner

By:

The Column Group III GP, LP

By:

/s/ Peter Svennilson

/s/ Peter Svennilson

Name:

Peter Svennilson

Name:

Peter Svennilson

Title:

Managing Partner

Title:

Managing Partner