ATEN

SEC source: 0001580808-24-000112 · wk-form4_1725918134.xml · nonDerivative · entry 2

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,961

F3 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to September 21, 2023 restricted stock unit grant that vested on September 5, 2024.

SEC source: 0001580808-24-000112 · wk-form4_1725918134.xml · nonDerivative · entry 1

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,030

F1 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to September 7, 2023 restricted stock unit grant that vested on September 5, 2024.

F2 · balance_after: Includes 1,500 shares acquired by the Reporting Person on May 31, 2024 pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001580808-24-000108 · wk-form4_1723150126.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 453,582

F1 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to December 12, 2019 performance restricted stock unit grant that vested on August 5, 2024.

SEC source: 0001580808-24-000109 · wk-form4_1723150174.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,841

F1 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to July 20, 2020 restricted stock unit grant that vested on August 5, 2024.

SEC source: 0001580808-24-000092 · wk-form4_1720555613.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,269

F1 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to a July 1, 2022 restricted stock unit grant that vested on July 5, 2024.

F2 · balance_after: Includes 1,392 shares acquired by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan on May 31, 2024.

SEC source: 0001415889-24-014101 · form4-05222024_080503.xml · nonDerivative · entry 1

CHUNG PETER Y · CIK 0001239366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Remarks

Disclosed balance after: 619,166

F1 · shares: Represents 2,402,901 shares sold by Summit Partners Growth Equity Fund VIII-A, L.P., 877,861 shares sold by Summit Partners Growth Equity Fund VIII-B, L.P., 14,049 shares sold by Summit Investors I, LLC, and 1,236 shares sold by Summit Investors I (UK), L.P.

F2 · balance_after: The reported securities are held as follows: 314,791 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 115,005 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 1,840 shares in the name of Summit Investors I, LLC; 163 shares in the name of Summit Investors I (UK), L.P.; 187,367 shares and restricted stock units in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Mr. Chung holds any Common Stock and restricted stock units for the benefit of Summit Partners, L.P., which he as empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales.

F4 · ownership.nature: (Continued from footnote 3) Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC, has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F5 · ownership.nature: (Continued from footnote 4) Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Scott C. Collins and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares and restricted stock units. Summit Partners, L.P., Mr. Collins and Mr. Chung each disclaim beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their respective pecuniary interest therein.

SEC source: 0001580808-24-000085 · wk-form4_1715386712.xml · nonDerivative · entry 1

Singer Eric · CIK 0001443284 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,573

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's next Annual Meeting, subject to the Reporting Person's continued service as of such date.

SEC source: 0001415889-24-012865 · form4-05102024_080534.xml · nonDerivative · entry 1

CHUNG PETER Y · CIK 0001239366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Remarks

Disclosed balance after: 3,915,213

F1 · shares: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will vest on the earlier of May 9, 2025 or the date of the Issuer's next Annual Meeting, and will settle solely by delivery of an equal number of shares of Common Stock provided that Mr. Chung remains in continuous service with the Issuer through the vesting date.

F2 · balance_after: 2. The reported securities are held as follows: 2,717,692 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 992,866 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 15,889 shares in the name of Summit Investors I, LLC; 1,399 shares in the name of Summit Investors I (UK), L.P.; and 187,367 shares and restricted stock units in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Mr. Chung holds any Common Stock and restricted stock units for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales. Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P.

F4 · ownership.nature: (Continued from footnote 3) Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC, has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F5 · ownership.nature: (Continued from footnote 4) Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Scott C. Collins and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares and restricted stock units. Summit Partners, L.P., Mr. Collins and Mr. Chung each disclaim beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001580808-24-000086 · wk-form4_1715386760.xml · nonDerivative · entry 1

Wolf Dana Elizabeth · CIK 0001931555 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,130

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's next Annual Meeting, subject to the Reporting Person's continued service as of such date.

SEC source: 0001580808-24-000084 · wk-form4_1715386638.xml · nonDerivative · entry 1

Braham Tor · CIK 0001586400 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,881

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSU will vest on the earlier of May 9, 2025 or the date of the Issuer's next Annual Meeting, provided that the Reporting Person continues to serve through such vesting date.

SEC source: 0001580808-24-000061 · wk-form4_1710449210.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 474,698

F1 · shares: Shares withheld, on a non-discretionary basis, for tax purposes related to December 12, 2019 restricted stock unit grant that vested on March 12, 2024.

SEC source: 0001580808-24-000058 · wk-form4_1709855913.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 495,814

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2023.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.14 to $13.56 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000043 · wk-form4_1708040242.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,252

F1 · price: This is the weighted average price of the shares sold, which ranged from $12.92 to $12.96 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000041 · wk-form4_1707259527.xml · nonDerivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 556,420

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: This is the weighted average price of the shares sold, which ranged from $13.02 to $13.06 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000039 · wk-form4_1707259447.xml · nonDerivative · entry 3

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,252

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: This is the weighted average price of the shares sold, which ranged from $13.06 to $13.11 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000037 · wk-form4_1707259360.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,755

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.19 to $13.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000041 · wk-form4_1707259527.xml · nonDerivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 565,099

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.19 to $13.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000041 · wk-form4_1707259527.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 583,294

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.19 to $13.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000039 · wk-form4_1707259447.xml · nonDerivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,299

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.19 to $13.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000039 · wk-form4_1707259447.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,863

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.19 to $13.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000015 · wk-form4_1706735375.xml · derivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,580

Underlying: Common Stock · 14,580 shares

Expires 2028-01-30

F2 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F3 · derivative.exercise_date: Grant of 14,580 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day period between January 30, 2024 and January 30, 2028. Vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal annual installments beginning on the date of achievement of the milestone and the balance on the first and second anniversaries of the corresponding performance milestone.

SEC source: 0001580808-24-000015 · wk-form4_1706735375.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,852

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2024), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-24-000018 · wk-form4_1706735588.xml · derivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 198,821

Underlying: Common Stock · 198,821 shares

Expires 2028-01-30

F4 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F5 · derivative.exercise_date: Grant of 198,821 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day period between January 30, 2024 and January 30, 2028 (each, a "Performance Milestone"). Upon achievement of a Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, with one-half (1/2) vesting within thirty (30) days of achievement of the Performance Milestone and an additional one-fourth (1/4) vesting on each of the first and second anniversaries of the date of achievement of the corresponding Performance Milestone.

SEC source: 0001580808-24-000018 · wk-form4_1706735588.xml · nonDerivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 594,056

F3 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2024), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-24-000017 · wk-form4_1706735530.xml · derivative · entry 2

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,627

Underlying: Common Stock · 6,627 shares

Expires 2028-01-30

F2 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F3 · derivative.exercise_date: Grant of 6,627 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day period between January 30, 2024 and January 30, 2028. Vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal annual installments beginning on the date of achievement of the milestone and the balance on the first and second anniversaries of the corresponding performance milestone.

SEC source: 0001580808-24-000017 · wk-form4_1706735530.xml · nonDerivative · entry 1

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,259

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2024), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-24-000013 · wk-form4_1706735251.xml · derivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,405

Underlying: Common Stock · 25,405 shares

Expires 2028-01-30

F2 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F3 · derivative.exercise_date: Grant of 25,405 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day period between January 30, 2024 and January 30, 2028. Vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal annual installments beginning on the date of achievement of the milestone and the balance on the first and second anniversaries of the corresponding performance milestone.

SEC source: 0001580808-24-000013 · wk-form4_1706735251.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,647

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2024), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-24-000036 · wk-form4a_1707259310.xml · derivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,580

Underlying: Common Stock · 14,580 shares

Expires 2028-01-30

F3 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F4 · derivative.exercise_date: Grant of 14,580 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day period between January 30, 2024 and January 30, 2028. Vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal annual installments beginning on the date of achievement of the milestone and the balance on the first and second anniversaries of the corresponding performance milestone.

SEC source: 0001580808-24-000036 · wk-form4a_1707259310.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,264

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (2/1/2024), provided that the Reporting Person continues to serve through each such vesting date.

F2 · balance_after: Includes 1,412 shares acquired on November 30, 2023 by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001580808-24-000018 · wk-form4_1706735588.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 461,507

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $13.58 to $13.62 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-24-000007 · wk-form4_1706304505.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 483,005

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001580808-24-000008 · wk-form4_1706304677.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,710

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001580808-23-000220 · wk-form4_1701988664.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 491,814

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001580808-23-000216 · wk-form4_1699920990.xml · nonDerivative · entry 1

BRUENING MATTHEW P · CIK 0001188611 · EVP, Worldwide Sales & Mktg

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,307

SEC source: 0001580808-23-000198 · wk-form4_1695417529.xml · derivative · entry 2

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,000 shares

Expires 2027-09-21

F3 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU").

F2 · shares: The Compensation Committee approved this award on September 21, 2023 to conform to the original offer terms of employment for the reporting person.

F4 · derivative.exercise_date: Grant of 1,000 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of a specified level of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) calendar day trading period between September 21, 2023 and September 21, 2027 (the "Performance Milestone"). Upon achievement of the Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal installments with the first vesting to occur within thirty (30) days of achievement of the Performance Milestone and an additional one-third (1/3) on each of the first and second anniversaries of the date of achievement of the Performance Milestone.

SEC source: 0001580808-23-000198 · wk-form4_1695417529.xml · nonDerivative · entry 1

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,840

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-fourth (1/4) of the total RSUs will vest on each of the first four (4) anniversaries of the Vesting Commencement Date (9/5/2023), provided that the Reporting Person continues to serve through each vesting date.

F2 · shares: The Compensation Committee approved this award on September 21, 2023 to conform to the original offer terms of employment for the reporting person.

SEC source: 0001580808-23-000196 · wk-form4_1694473638.xml · derivative · entry 2

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,840 shares

Expires 2027-09-07

F2 · derivative.exercise_price: Each share is represented by a Performance-based Restricted Stock Unit ("PSU")

F3 · derivative.exercise_date: Grant of 24,840 Performance-Based Restricted Stock Units, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of a specified level of the volume weighted average closing prices of a share of ATEN common stock during any one hundred (100) day trading period between September 7, 2023 and September 7, 2027 (the "Performance Milestone"). Upon achievement of the Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three equal installments with the first vesting to occur within thirty (30) days of achievement of the Performance Milestone and an additional one-third (1/3) on each of the first and second anniversaries of the date of achievement of the Performance Milestone.

SEC source: 0001580808-23-000196 · wk-form4_1694473638.xml · nonDerivative · entry 1

Thomas Karen S. · CIK 0001992842 · EVP, Worldwide Sales and Mkt

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,840

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). One-fourth (1/4) of the total RSUs will vest on each of the first four (4) anniversaries of the Vesting Commencement Date (9/5/2023), provided that the Reporting Person continues to serve through each vesting date.

SEC source: 0001580808-23-000191 · wk-form4_1694035075.xml · nonDerivative · entry 1

BRUENING MATTHEW P · CIK 0001188611 · EVP, Worldwide Sales & Mktg

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 90,458

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.05 to $15.10 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000190 · wk-form4_1694035022.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 507,543

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.05 to $15.10 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000192 · wk-form4_1694035124.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,085

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.04 to $15.10 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000176 · wk-form4_1692663153.xml · nonDerivative · entry 1

BRUENING MATTHEW P · CIK 0001188611 · EVP, Worldwide Sales & Mktg

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 92,543

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $14.43 to $14.46 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000175 · wk-form4_1692663046.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 514,165

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $14.43 to $14.46 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000177 · wk-form4_1692663246.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,644

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $14.43 to $14.46 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000165 · wk-form4_1691616738.xml · nonDerivative · entry 2

BRUENING MATTHEW P · CIK 0001188611 · EVP, Worldwide Sales & Mktg

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,623

SEC source: 0001580808-23-000165 · wk-form4_1691616738.xml · nonDerivative · entry 1

BRUENING MATTHEW P · CIK 0001188611 · EVP, Worldwide Sales & Mktg

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,264

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.46 to $15.54 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000164 · wk-form4_1691616614.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 520,772

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.46 to $15.54 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000166 · wk-form4_1691616843.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,200

F1 · shares: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · price: This is the weighted average price of the shares sold, which ranged from $15.46 to $15.54 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001580808-23-000156 · wk-form4_1691181494.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,086