UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

SCHEDULE 13G/A

 

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)*

 

Annexon, Inc.

(Name of Issuer)

 

Common Stock, par value $0.001 per share

(Title of Class of Securities)

 

03589W102

(CUSIP Number)

 

December 31, 2023

(Date of Event Which Requires Filing of This Statement)

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

 

  ¨ Rule 13d-1(b)

 

  x Rule 13d-1(c)

 

  ¨ Rule 13d-1(d)

 

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

 

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 

 

CUSIP No. 03589W102 Page 2 of 17

 

           
1.  

Name of reporting persons

 

Venrock Healthcare Capital Partners II, L.P.

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.

Sole Voting Power

 

0

6.

Shared Voting Power

 

0

7.

Sole Dispositive Power

 

0

8.

Shared Dispositive Power

 

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

PN

                 
                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

 

 

CUSIP No. 03589W102 Page 3 of 17

 

           
1.  

Name of reporting persons

 

VHCP Co-Investment Holdings II, LLC

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.

Sole Voting Power

 

0

6.

Shared Voting Power

 

0

7.

Sole Dispositive Power

 

0

8.

Shared Dispositive Power

 

0

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

                 
                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

 

 

CUSIP No. 03589W102 Page 4 of 17

 

           
1.  

Name of reporting persons

 

Venrock Healthcare Capital Partners III, L.P.

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

968,6792

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

PN

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

  

 

CUSIP No. 03589W102 Page 5 of 17

 

           
1.  

Name of reporting persons

 

VHCP Co-Investment Holdings III, LLC

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

968,6792

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

OO

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 6 of 17

 

           
1.  

Name of reporting persons

 

Venrock Healthcare Capital Partners EG, L.P.

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

968,6792

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

PN

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 7 of 17

 

           
1.  

Name of reporting persons

 

VHCP Management II, LLC

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

0

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

0

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

0

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

0.0%

12.  

Type of Reporting Person (See Instructions)

 

OO

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

 

 

CUSIP No. 03589W102 Page 8 of 17

 

           
1.  

Name of reporting persons

 

VHCP Management III, LLC

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

968,6792

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

OO

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 9 of 17

 

           
1.  

Name of reporting persons

 

VHCP Management EG, LLC

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

Delaware

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.  

Sole Voting Power

 

0

6.  

Shared Voting Power

 

968,6792

7.  

Sole Dispositive Power

 

0

8.  

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

OO

                 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 10 of 17

 

         
1.  

Name of Reporting Persons

 

Shah, Nimish

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.

Sole Voting Power

 

0

6.

Shared Voting Power

 

968,6792

7.

Sole Dispositive Power

 

0

8.

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

IN

 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 11 of 17

 

         
1.  

Name of Reporting Persons

 

Koh, Bong

2.  

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

(a) x1 (b) ¨

 

3.  

SEC USE ONLY

 

4.  

Citizenship or Place of Organization

 

United States

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

 5.

Sole Voting Power

 

0

6.

Shared Voting Power

 

968,6792

7.

Sole Dispositive Power

 

0

8.

Shared Dispositive Power

 

968,6792

9.  

Aggregate Amount Beneficially Owned by Each Reporting Person

 

968,6792

10.  

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨

 

11.  

Percent of Class Represented by Amount in Row (9)

 

1.2%3

12.  

Type of Reporting Person (See Instructions)

 

IN

 

1Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

2Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P.

3This percentage is calculated based upon the sum of (i) 78,338,098 shares of common stock outstanding as of December 26, 2023 as disclosed in the Issuer’s prospectus supplement dated December 20, 2023 filed with the Securities and Exchange Commission on December 21, 2023 and (ii) 968,679 shares issuable upon exercise of warrants held by the Reporting Persons.

 

 

CUSIP No. 03589W102 Page 12 of 17

 

Introductory Note: This Schedule 13G/A is filed on behalf of Venrock Healthcare Capital Partners II, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP II LP”), VHCP Co-Investment Holdings II, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Co-Investment II”), Venrock Healthcare Capital Partners III, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP III LP”), VHCP Co-Investment Holdings III, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Co-Investment III”), Venrock Healthcare Capital Partners EG, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP EG”), VHCP Management II, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management II”), VHCP Management III, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management III”), VHCP Management EG, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management EG” and collectively with VHCP II LP, VHCP Co-Investment II, VHCP III LP, VHCP Co-Investment III, VHCP EG, VHCP Management II and VHCP Management III, the “Venrock Entities”), Nimish Shah (“Shah”) and Bong Koh (“Koh”) in respect of the common stock of Annexon, Inc.

 

Item 1.

 

  (a) Name of Issuer

 

Annexon, Inc.

 

  (b) Address of Issuer’s Principal Executive Offices

 

1400 Sierra Point Parkway, Bldg C, Suite 200

Brisbane, California 94005

 

Item 2.

 

  (a) Name of Person Filing

 

Venrock Healthcare Capital Partners II, L.P.

VHCP Co-Investment Holdings II, LLC

Venrock Healthcare Capital Partners III, L.P.

VHCP Co-Investment Holdings III, LLC

Venrock Healthcare Capital Partners EG, L.P.

VHCP Management II, LLC

VHCP Management III, LLC

VHCP Management EG, LLC

Nimish Shah

Bong Koh

 

  (b) Address of Principal Business Office or, if none, Residence

 

  New York Office: Palo Alto Office:
     
  7 Bryant Park 3340 Hillview Avenue
  23rd Floor Palo Alto, CA 94304
  New York, NY 10018  

 

  (c) Citizenship

 

All of the Venrock Entities were organized in Delaware. The individuals are both United States citizens.

 

 

CUSIP No. 03589W102 Page 13 of 17

 

  (d) Title of Class of Securities

 

Common Stock, par value $0.001 per share

 

  (e) CUSIP Number

 

03589W102

 

Item 3. 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:

 

Not applicable

 

Item 4. Ownership

 

  (a) Amount Beneficially Owned as of December 31, 2023:

 

 

Venrock Healthcare Capital Partners II, L.P.   0 
VHCP Co-Investment Holdings II, LLC   0 
Venrock Healthcare Capital Partners III, L.P.   968,679(1)
VHCP Co-Investment Holdings III, LLC   968,679(1)
Venrock Healthcare Capital Partners EG, L.P.   968,679(1)
VHCP Management II, LLC   0 
VHCP Management III, LLC   968,679(1)
VHCP Management EG, LLC   968,679(1)
Nimish Shah   968,679(1)
Bong Koh   968,679(1)

 

  (b) Percent of Class as of December 31, 2023:

 

Venrock Healthcare Capital Partners II, L.P.   0.0%
VHCP Co-Investment Holdings II, LLC   0.0%
Venrock Healthcare Capital Partners III, L.P.   1.2%
VHCP Co-Investment Holdings III, LLC   1.2%
Venrock Healthcare Capital Partners EG, L.P.   1.2%
VHCP Management II, LLC   0.0%
VHCP Management III, LLC   1.2%
VHCP Management EG, LLC   1.2%
Nimish Shah   1.2%
Bong Koh   1.2%

 

  (c) Number of shares as to which the person has, as of December 31, 2023:

 

  (i) Sole power to vote or to direct the vote

 

Venrock Healthcare Capital Partners II, L.P.   0 
VHCP Co-Investment Holdings II, LLC   0 
Venrock Healthcare Capital Partners III, L.P.   0 
VHCP Co-Investment Holdings III, LLC   0 
Venrock Healthcare Capital Partners EG, L.P.   0 
VHCP Management II, LLC   0 
VHCP Management III, LLC   0 
VHCP Management EG, LLC   0 
Nimish Shah   0 
Bong Koh   0 

 

 

 

CUSIP No. 03589W102 Page 14 of 17

 

  (ii) Shared power to vote or to direct the vote

 

Venrock Healthcare Capital Partners II, L.P.   0 
VHCP Co-Investment Holdings II, LLC   0 
Venrock Healthcare Capital Partners III, L.P.   968,679(1)
VHCP Co-Investment Holdings III, LLC   968,679(1)
Venrock Healthcare Capital Partners EG, L.P.   968,679(1)
VHCP Management II, LLC   0 
VHCP Management III, LLC   968,679(1)
VHCP Management EG, LLC   968,679(1)
Nimish Shah   968,679(1)
Bong Koh   968,679(1)

 

  (iii) Sole power to dispose or to direct the disposition of

 

Venrock Healthcare Capital Partners II, L.P.   0 
VHCP Co-Investment Holdings II, LLC   0 
Venrock Healthcare Capital Partners III, L.P.   0 
VHCP Co-Investment Holdings III, LLC   0 
Venrock Healthcare Capital Partners EG, L.P.   0 
VHCP Management II, LLC   0 
VHCP Management III, LLC   0 
VHCP Management EG, LLC   0 
Nimish Shah   0 
Bong Koh   0 

 

  (iv) Shared power to dispose or to direct the disposition of

 

Venrock Healthcare Capital Partners II, L.P.   0 
VHCP Co-Investment Holdings II, LLC   0 
Venrock Healthcare Capital Partners III, L.P.   968,679(1)
VHCP Co-Investment Holdings III, LLC   968,679(1)
Venrock Healthcare Capital Partners EG, L.P.   968,679(1)
VHCP Management II, LLC   0 
VHCP Management III, LLC   968,679(1)
VHCP Management EG, LLC   968,679(1)
Nimish Shah   968,679(1)
Bong Koh   968,679(1)

 

(1)Consists of (i) 254,666 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners III, L.P., (ii) 25,476 shares issuable upon the exercise of immediately exercisable warrants held by VHCP Co-Investment Holdings III, LLC and (iii) 688,537 shares issuable upon the exercise of immediately exercisable warrants held by Venrock Healthcare Capital Partners EG, L.P. VHCP Management II, LLC is the general partner of Venrock Healthcare Capital Partners II, L.P. and the manager of VHCP Co-Investment Holdings II, LLC. VHCP Management III, LLC is the general partner of Venrock Healthcare Capital Partners III, L.P. and the manager of VHCP Co-Investment Holdings III, LLC. VHCP Management EG, LLC is the general partner of Venrock Healthcare Capital Partners EG, L.P. Messrs. Shah and Koh are the voting members of VHCP Management II, LLC, VHCP Management III, LLC and VHCP Management EG, LLC.

 

 

 

CUSIP No. 03589W102 Page 15 of 17

 

Item 5. Ownership of Five Percent or Less of a Class
   

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following x.

 

 

Item 6. Ownership of More than Five Percent on Behalf of Another Person

 

Not Applicable

  

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

 

Not Applicable

 

Item 8. Identification and Classification of Members of the Group

 

Not Applicable

 

Item 9. Notice of Dissolution of a Group

 

Not Applicable

 

Item 10. Certification

 

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. 

 

 

 

CUSIP No. 03589W102 Page 16 of 17

 

SIGNATURE

 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

Dated: February 14, 2024

 

Venrock Healthcare Capital Partners II, L.P.   Venrock Healthcare Capital Partners III, L.P.
         
By: VHCP Management II, LLC   By: VHCP Management III, LLC
Its: General Partner   Its: General Partner
         
By: /s/ Sherman G. Souther   By: /s/ Sherman G. Souther
  Name: Sherman G. Souther     Name: Sherman G. Souther
  Its: Authorized Signatory     Its: Authorized Signatory
     
VHCP Co-Investment Holdings II, LLC   VHCP Co-Investment Holdings III, LLC
         
By: VHCP Management II, LLC   By: VHCP Management III, LLC
Its: Manager   Its: Manager
         
By: /s/ Sherman G. Souther   By: /s/ Sherman G. Souther
  Name: Sherman G. Souther     Name: Sherman G. Souther
  Its: Authorized Signatory     Its: Authorized Signatory
     
VHCP Management II, LLC   VHCP Management III, LLC
         
By: /s/ Sherman G. Souther   By: /s/ Sherman G. Souther
  Name: Sherman G. Souther     Name: Sherman G. Souther
  Its: Authorized Signatory     Its: Authorized Signatory
     
Venrock Healthcare Capital Partners EG, L.P.   VHCP Management EG, LLC
     
By: VHCP Management EG, LLC   /s/ Sherman G. Souther
Its: General Partner   Name: Sherman G. Souther
    Its: Authorized Signatory
/s/ Sherman G. Souther    
Name: Sherman G. Souther    
Its: Authorized Signatory    

 

Bong Koh    
     
/s/ Sherman G. Souther    
Sherman G. Souther, Attorney-in-fact    
     
Nimish Shah    
     
/s/ Sherman G. Souther    
Sherman G. Souther, Attorney-in-fact    

 

 

 

CUSIP No. 03589W102 Page 17 of 17

 

EXHIBITS

  

A:Joint Filing Agreement (incorporated by reference to Exhibit A to Schedule 13G filed on June 23, 2022)

 

B:Power of Attorney for Nimish Shah (incorporated by reference to Exhibit B to Schedule 13G filed on June 23, 2022)

 

C:Power of Attorney for Bong Koh (incorporated by reference to Exhibit B to Schedule 13G filed on June 23, 2022)

 

 

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