Filing Details

Accession Number:
0000921895-21-002515
Form Type:
13D Filing
Publication Date:
2021-11-02 20:00:00
Filed By:
VIEX Capital Advisors
Company:
A10 Networks Inc. (NYSE:ATEN)
Filing Date:
2021-11-03
SEC Url:
13D Filing
Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
VIEX Opportunities Fund 919,731 919,731 1.2%
VIEX Opportunities Fund 285,858 285,858 Less than 1%
VIEX Special Opportunities Fund II 1,747,230 1,747,230 2.3%
VIEX Special Opportunities Fund III 1,205,589 1,205,589 0%
VIEX GP 1,747,230 1,747,230 1.6%
VIEX Special Opportunities GP II 2,952,819 2,952,819 2.3%
VIEX Special Opportunities GP III 2,952,819 3,009,009 0%
VIEX Capital Advisors 3.8%
Eric Singer 3.9%
Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 8)1

A10 Networks, Inc.

(Name of Issuer)

Common Stock, $0.00001 par value

(Title of Class of Securities)

002121101

(CUSIP Number)

ERIC SINGER

VIEX Capital Advisors, LLC

745 Boylston Street, 3rd Floor

Boston, Massachusetts 02116

 

STEVE WOLOSKY, ESQ.

ELIZABETH GONZALEZ-SUSSMAN, ESQ.

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

 

November 1, 2021

(Date of Event Which Requires Filing of This Statement)

 

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

 

 

 

1              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 disclosures provided in a prior cover page.

The information required on 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. 002121101

  1   NAME OF REPORTING PERSON  
         
        VIEX Opportunities Fund, LP – Series One*  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         919,731  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          919,731  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        919,731  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        1.2%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

* This Series One is part of a series of VIEX Opportunities Fund, LP, a series limited partnership.

2

CUSIP No. 002121101

  1   NAME OF REPORTING PERSON  
         
        VIEX Opportunities Fund, LP – Series Two*  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         285,858  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          285,858  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        285,858  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        Less than 1%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

* This Series Two is part of a series of VIEX Opportunities Fund, LP, a Delaware series limited partnership.

3

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX Special Opportunities Fund II, LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         1,747,230  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          1,747,230  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,747,230  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        2.3%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

4

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX Special Opportunities Fund III, LP  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        WC  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        - 0 -  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        0%  
  14   TYPE OF REPORTING PERSON  
         
        PN  

  

5

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX GP, LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        AF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         1,205,589  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          1,205,589  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,205,589  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        1.6%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

6

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX Special Opportunities GP II, LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        AF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         1,747,230  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          1,747,230  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        1,747,230  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        2.3%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

7

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX Special Opportunities GP III, LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        AF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         - 0 -  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          - 0 -  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        - 0 -  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        0%  
  14   TYPE OF REPORTING PERSON  
         
        OO  

  

8

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        VIEX Capital Advisors, LLC  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        AF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        DELAWARE  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 0 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         2,952,819  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 0 -  
    10   SHARED DISPOSITIVE POWER  
           
          2,952,819  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        2,952,819  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        3.8%  
  14   TYPE OF REPORTING PERSON  
         
        IA  

  

9

CUSIP No. 002121101

 

  1   NAME OF REPORTING PERSON  
         
        Eric Singer  
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐
        (b) ☐
           
  3   SEC USE ONLY    
           
           
  4   SOURCE OF FUNDS  
         
        AF  
  5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)     ☐
       
           
  6   CITIZENSHIP OR PLACE OF ORGANIZATION  
         
        USA  
NUMBER OF   7   SOLE VOTING POWER  
SHARES          
BENEFICIALLY         - 56,190 -  
OWNED BY   8   SHARED VOTING POWER  
EACH          
REPORTING         2,952,819  
PERSON WITH   9   SOLE DISPOSITIVE POWER  
         
          - 56,190 -  
    10   SHARED DISPOSITIVE POWER  
           
          2,952,819  
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON  
         
        3,009,009  
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES     ☐
       
           
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)  
         
        3.9%  
  14   TYPE OF REPORTING PERSON  
         
        IN  

  

10

CUSIP No. 002121101

The following constitutes Amendment No. 8 to the Schedule 13D filed by the undersigned (the “Amendment No. 8”). This Amendment No. 8 amends the Schedule 13D as specifically set forth herein.

 

Item 3.Source and Amount of Funds or Other Consideration.

 

Item 3 is hereby amended and restated to read as follows:

 

The Shares purchased by Series One were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein. The aggregate purchase price of the 919,731 Shares beneficially owned by Series One is approximately $6,016,020, including brokerage commissions.

The Shares purchased by Series Two were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein. The aggregate purchase price of the 285,858 Shares beneficially owned by Series Two is approximately $1,846,126, including brokerage commissions.

The Shares purchased by VSO II were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein. The aggregate purchase price of the 1,747,230 Shares beneficially owned by VSO II is approximately $11,286,006, including brokerage commissions.

The Shares beneficially owned directly by Mr. Singer were awarded to him in connection with his service as a director of the Issuer.

Item 4.Purpose of Transaction.

Item 4 is hereby amended to add the following:

The distribution of Shares reported in this Amendment No. 8 to the Schedule 13D were made under contractual obligations to limited partners of VSO II and VSO III.

Item 5.Interest in Securities of the Issuer.

Items 5(a)-(c) and (e) are hereby amended and restated to read as follows:

The aggregate percentage of Shares reported owned by each Reporting Person is based upon 76,808,907 Shares outstanding, which is the total number of Shares outstanding as of July 27, 2021 as reported in the Issuer’s Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on July 30, 2021.

A.Series One
(a)As of the close of business on November 2, 2021, Series One beneficially owned 919,731 Shares.

Percentage: Approximately 1.2%

11

CUSIP No. 002121101

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 919,731
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 919,731

 

(c)The transactions in the Shares by Series One during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
B.Series Two
(a)As of the close of business on November 2, 2021, Series Two beneficially owned 285,858 Shares.

Percentage: Less than 1%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 285,858
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 285,858

 

(c)The transactions in the Shares by Series Two during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
C.VSO II
(a)As of the close of business on November 2, 2021, VSO II beneficially owned 1,747,230 Shares.

Percentage: Approximately 2.3%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 1,747,230
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 1,747,230

 

(c)The transactions in the Shares by VSO II during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
D.VSO III
(a)As of the close of business on November 2, 2021, VSO III does not beneficially own any Shares.

Percentage: 0%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 0

 

12

CUSIP No. 002121101

(c)The transactions in the Shares by VSO III during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
E.VIEX GP
(a)VIEX GP, as the general partner of each of Series One and Series Two, may be deemed the beneficial owner of the (i) 919,731 Shares beneficially owned by Series One and (ii) 285,858 Shares beneficially owned by Series II.

Percentage: Approximately 1.6%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 1,205,589
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 1,205,589

 

(c)VIEX GP has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of each of Series One and Series Two during the past sixty days are set forth in Schedule A and are incorporated herein by reference.

 

F.VSO GP II

 

(a)VSO GP II, as the general partner of VSO II, may be deemed the beneficial owner of the 1,747,230 Shares.

Percentage: Approximately 2.3%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 1,747,230
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 1,747,230

 

(c)VSO GP II has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of VSO II during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
G.VSO GP III
(a)VSO GP III, as the general partner of VSO III, does not beneficially own any Shares.

Percentage: 0%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 0
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 0

 

(c)VSO GP III has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of VSO III during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
13

CUSIP No. 002121101

H.VIEX Capital
(a)VIEX Capital, as the investment manager of Series One, Series Two, VSO II and VSO III, may be deemed the beneficial owner of the (i) 919,731 Shares beneficially owned by Series One, (ii) 285,858 Shares beneficially owned by Series Two, and (iii) 1,747,230 Shares beneficially owned by VSO II.

Percentage: Approximately 3.8%

(b)1. Sole power to vote or direct vote: 0
2. Shared power to vote or direct vote: 2,952,819
3. Sole power to dispose or direct the disposition: 0
4. Shared power to dispose or direct the disposition: 2,952,819
(c)VIEX Capital has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of each of Series One, Series Two, VSO II and VSO III during the past sixty days are set forth in Schedule A and are incorporated herein by reference.
I.Eric Singer
(a)As of the close of business on November 2, 2021, Mr. Singer beneficially owned 56,190 Shares. Mr. Singer, as the managing member of VIEX GP, VSO GP II, VSO GP III and VIEX Capital, may be deemed the beneficial owner of the (i) 919,731 Shares beneficially owned by Series One, (ii) 285,858 Shares beneficially owned by Series Two, and (iii) 1,747,230 Shares beneficially owned by VSO II.

Percentage: Approximately 3.9%

(b)1. Sole power to vote or direct vote: 56,190
2. Shared power to vote or direct vote: 2,952,819
3. Sole power to dispose or direct the disposition: 56,190
4. Shared power to dispose or direct the disposition: 2,952,819
(c)Mr. Singer has not entered into any transactions in the Shares during the past sixty days. The transactions in the Shares on behalf of each of Series One, Series Two, VSO II and VSO III during the past sixty days are set forth in Schedule A and are incorporated herein by reference.

The filing of this Schedule 13D shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any of the Shares reported herein. Each Reporting Person disclaims beneficial ownership of such Shares except to the extent of his or its pecuniary interest therein.

(e)As of November 1, 2021, the Reporting Persons ceased to beneficially own more than 5% of the outstanding Shares of the Issuer.
14

CUSIP No. 002121101

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: November 3, 2021

 

  VIEX Opportunities Fund, LP – Series One
   
  By: VIEX GP, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Opportunities Fund, LP – Series Two
   
  By: VIEX GP, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX GP, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities Fund II, LP
   
  By: VIEX Special Opportunities GP II, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities GP II, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

  

15

CUSIP No. 002121101

  VIEX Special Opportunities Fund III, LP
   
  By: VIEX Special Opportunities GP III, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities GP III, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Capital Advisors, LLC         
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  /s/ Eric Singer
  Eric Singer

 

16

CUSIP No. 002121101

SCHEDULE A

Transactions in the Securities of the Issuer During the Past Sixty Days

Nature of the Transaction

Securities

Purchased/(Sold)

Price Per

Share($)

Date of

Purchase / Sale

 

VIEX Opportunities Fund, LP – Series One

 

Sale of Common Stock (346,000) 16.00761 11/01/2021
Sale of Common Stock (200,050) 15.34122 11/02/2021

 

VIEX Opportunities Fund, LP – Series Two

 

Sale of Common Stock (122,000) 16.00761 11/01/2021
Sale of Common Stock (75,019) 15.34122 11/02/2021

 

VIEX special opportunities fund ii, LP

 

Sale of Common Stock (550,000) 16.00761 11/01/2021
Disposition of Common Stock3 (2,607,705) 0.0000 11/01/2021
Sale of Common Stock (350,087) 15.34122 11/02/2021

 

VIEX Special Opportunities Fund III, LP

 

Disposition of Common Stock4 (487,416) 0.0000 11/01/2021

 

1 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $18.58 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote 1.

2 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.20 to $15.525 per share. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote 2.

3 Represents a pro-rata distribution of Shares to limited partners by VSO II.

4 Represents a pro-rata distribution of Shares to limited partners by VSO III.