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.

  Name of Reporting Persons

  Versant Venture Capital VII, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  WC

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  3,623,023 shares of common stock (1)

  Shared Voting Power

  0

  Sole Dispositive Power

  3,623,023 shares of common stock (1)

  Shared Dispositive Power

  0

  Aggregate Amount Beneficially Owned by Each Reporting Person

  3,623,023 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  6.7% (2)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant VII (as defined in Item 2(a) below). Versant Ventures VII GP-GP (as defined in Item 2(a) below) is the general partner of Versant Ventures VII GP (as defined in Item 2(a) below), which is the general partner of Versant VII. Each of Versant Ventures VII GP-GP and Versant Ventures VII GP may be deemed to share voting and dispositive power with respect to the shares held by Versant VII.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Issuers prospectus filed pursuant to Rule 424(b)(5) filed with the United States Securities and Exchange Commission on November 10, 2021 (the Prospectus).

  Name of Reporting Persons

  Versant Ventures VII GP, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  3,623,023 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  3,623,023 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  3,623,023 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  6.7% (2)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant VII. Versant Ventures VII GP-GP is the general partner of Versant Ventures VII GP, which is the general partner of Versant VII. Each of Versant Ventures VII GP-GP and Versant Ventures VII GP may be deemed to share voting and dispositive power with respect to the shares held by Versant VII.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Ventures VII GP-GP, LLC

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  3,623,023 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  3,623,023 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  3,623,023 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  6.7% (2)

  Type of Reporting Person (See Instructions)

  OO

These shares are held by Versant VII. Versant Ventures VII GP-GP is the general partner of Versant Ventures VII GP, which is the general partner of Versant VII. Each of Versant Ventures VII GP-GP and Versant Ventures VII GP may be deemed to share voting and dispositive power with respect to the shares held by Versant VII.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Voyageurs I Parallel, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  WC

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Ontario, Canada

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  552,149 shares of common stock (1)

  Shared Voting Power

  0

  Sole Dispositive Power

  552,149 shares of common stock (1)

  Shared Dispositive Power

  0

  Aggregate Amount Beneficially Owned by Each Reporting Person

  552,149 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  1.0% (2)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant I Parallel (as defined in Item 2(a) below). Versant Ventures VI GP-GP (as defined in Item 2(a) below) is the general partner of Versant Ventures VI GP (as defined in Item 2(a) below), which is the general partner of Versant Voyageurs I GP LP (as defined in Item 2(a) below). Versant Voyageurs I GP LP is the general partner of Versant I Parallel. Each of Versant Voyageurs I GP LP, Versant Ventures VI GP and Versant Ventures VI GP-GP may be deemed to share voting and dispositive power with respect to the shares held by Versant I Parallel.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Voyageurs I GP, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  552,149 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  552,149 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  552,149 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  1.0% (2)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant I Parallel. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP, which is the general partner of Versant Voyageurs I GP LP. Versant Voyageurs I GP LP is the general partner of Versant I Parallel. Each of Versant Voyageurs I GP LP, Versant Ventures VI GP and Versant Ventures VI GP-GP may be deemed to share voting and dispositive power with respect to the shares held by Versant I Parallel.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Ventures VI GP, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  552,149 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  552,149 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  552,149 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  1.0% (2)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant I Parallel. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP, which is the general partner of Versant Voyageurs I GP LP. Versant Voyageurs I GP LP is the general partner of Versant I Parallel. Each of Versant Voyageurs I GP LP, Versant Ventures VI GP and Versant Ventures VI GP-GP may be deemed to share voting and dispositive power with respect to the shares held by Versant I Parallel.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Ventures VI GP-GP, LLC

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Delaware

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  552,149 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  552,149 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  552,149 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  1.0% (2)

  Type of Reporting Person (See Instructions)

  OO

These shares are held by Versant I Parallel. Versant Ventures VI GP-GP is the general partner of Versant Ventures VI GP, which is the general partner of Versant Voyageurs I GP LP. Versant Voyageurs I GP LP is the general partner of Versant I Parallel. Each of Versant Voyageurs I GP LP, Versant Ventures VI GP and Versant Ventures VI GP-GP may be deemed to share voting and dispositive power with respect to the shares held by Versant I Parallel.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Voyageurs I, L.P.

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  WC

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Ontario, Canada

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  1,863,197 shares of common stock (1)

  Shared Voting Power

  0

  Sole Dispositive Power

  1,863,197 shares of common stock (1)

  Shared Dispositive Power

  0

  Aggregate Amount Beneficially Owned by Each Reporting Person

  1,863,197 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  3.4% (1)

  Type of Reporting Person (See Instructions)

  PN

These shares are held by Versant Voyageurs I (as defined in Item 2(a) below). Versant Voyageurs I GP (as defined in Item 2(a) below) is the general partner of Versant Voyageurs I and may be deemed to share voting and dispositive power with respect to the shares held by Versant Voyageurs I.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

  Name of Reporting Persons

  Versant Voyageurs I GP Company

  Check the Appropriate Box if a Member of a Group (See Instructions)

  (a)  ☐        (b)  ☒

  SEC Use Only

  Source of Funds (See Instructions)

  AF

  Check if Disclosure of Legal Proceedings Is Required Pursuant to Item 2(d) or 2(e)

  ☐

  Citizenship or Place of Organization

  Nova Scotia, Canada

Number of

Shares

  Beneficially  

Owned by

Each

Reporting

Person

With

  Sole Voting Power

  0

  Shared Voting Power

  1,863,197 shares of common stock (1)

  Sole Dispositive Power

  0

  Shared Dispositive Power

  1,863,197 shares of common stock (1)

  Aggregate Amount Beneficially Owned by Each Reporting Person

  1,863,197 shares of common stock (1)

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

  ☐

  Percent of Class Represented by Amount in Row 11

  3.4% (1)

  Type of Reporting Person (See Instructions)

  OO

These shares are held by Versant Voyageurs I. Versant Voyageurs I GP is the general partner of Versant Voyageurs I and may be deemed to have voting and dispositive power with respect to the shares held by Versant Voyageurs I.

The percentages used herein are calculated based upon 54,368,577 shares of the Issuers common stock issued and outstanding after the Issuers public offering, including the underwriters exercise of its over-allotment option, as reported in the Prospectus.

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, Managing Director

/s/ Robin L. Praeger, President

/s/ Robin L. Praeger, President