ATEN

SEC source: 0001580808-25-000033 · wk-form4_1740433000.xml · derivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,711

Underlying: Common Stock · 48,713 shares

Expires 2026-01-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 48,713 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 48,713 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000033 · wk-form4_1740433000.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 777,097

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 48,713 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000035 · wk-form4_1740433180.xml · derivative · entry 3

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,306

Underlying: Common Stock · 7,307 shares

Expires 2026-01-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 7,307 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 7,307 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000035 · wk-form4_1740433180.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,612

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 27, 2022, 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 trading period between January 25, 2022 and January 25, 2026. The second milestone achievement date occurred on February 10, 2025, as certified by the compensation committee of ATEN, resulting in 7,307 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-third (1/3) on February 20, 2025 and an additional one-third (1/3) on each of the first and second anniversaries of February 10, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000027 · wk-form4_1739929192.xml · nonDerivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,931

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a February 21, 2023 performance restricted stock unit grant that vested on February 13, 2025.

SEC source: 0001580808-25-000031 · wk-form4_1739929426.xml · nonDerivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 728,384

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a February 21, 2023 performance restricted stock unit grant that vested on February 13, 2025.

SEC source: 0001580808-25-000029 · wk-form4_1739929311.xml · nonDerivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,305

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a February 21, 2023 performance restricted stock unit grant that vested on February 13, 2025.

SEC source: 0001580808-25-000045 · wk-form4a_1740777473.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 768,834

F1 · shares: This amendment to the original Form 4 filed on February 18, 2025 is being filed to correct the number of shares withheld, on a non-discretionary basis, for tax purposes related to a February 21, 2023 performance restricted stock unit grant that vested on February 13, 2025.

F2 · balance_after: The total number of shares reported in Column 5 of Table I of this amendment is the total owned by the reporting person as of February 27, 2025, which reflects the corrected number of shares withheld and includes subsequent transactions.

SEC source: 0001580808-25-000027 · wk-form4_1739929192.xml · derivative · entry 3

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,956

Underlying: Common Stock · 5,956 shares

Expires 2027-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 5,956 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 5,956 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000027 · wk-form4_1739929192.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,443

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 5,956 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000031 · wk-form4_1739929426.xml · derivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,417

Underlying: Common Stock · 79,418 shares

Expires 2027-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 79,418 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 79,418 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000031 · wk-form4_1739929426.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 748,530

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 79,418 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000029 · wk-form4_1739929311.xml · derivative · entry 3

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,125

Underlying: Common Stock · 10,126 shares

Expires 2027-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 10,126 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 10,126 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000029 · wk-form4_1739929311.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,875

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units that were previously reported on February 22, 2023, 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 trading period between February 21, 2023 and February 21, 2027. The first achievement date occurred on January 31, 2025, as certified by the compensation committee of ATEN, resulting in 10,126 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on February 13, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 31, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000025 · wk-form4_1739225234.xml · derivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,764

Underlying: Common Stock · 7,764 shares

Expires 2029-02-06

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

F3 · derivative.exercise_date: Grant of 7,764 PSUs, 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 February 6, 2025 and February 6, 2029. Once a milestone is met, vesting is subject to continued employment with the Company through the applicable vesting date, the first fifty percent (50%) of which will occur within thirty (30) days of achievment of the applicable milestone and the balance to vest twenty-five percent (25%) on each of the first and second anniversaries of achievement of the corresponding performance milestone.

SEC source: 0001580808-25-000025 · wk-form4_1739225234.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,487

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 (2/1/2025), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-25-000021 · wk-form4_1739224715.xml · derivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,812

Underlying: Common Stock · 126,812 shares

Expires 2029-02-06

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

F3 · derivative.exercise_date: Grant of 126,812 PSUs, 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 February 6, 2025 and February 6, 2029. Once a milestone is met, vesting is subject to continued employment with the Company through the applicable vesting date, the first fifty percent (50%) of which will occur within thirty (30) days of achievment of the applicable milestone and the balance to vest twenty-five percent (25%) on each of the first and second anniversaries of achievement of the corresponding performance milestone.

SEC source: 0001580808-25-000021 · wk-form4_1739224715.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 669,112

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 (2/1/2025), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-25-000023 · wk-form4_1739224907.xml · derivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,587

Underlying: Common Stock · 13,587 shares

Expires 2029-02-06

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

F3 · derivative.exercise_date: Grant of 13,587 PSUs, 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 February 6, 2025 and February 6, 2029. Once a milestone is met, vesting is subject to continued employment with the Company through the applicable vesting date, the first fifty percent (50%) of which will occur within thirty (30) days of achievment of the applicable milestone and the balance to vest twenty-five percent (25%) on each of the first and second anniversaries of achievement of the corresponding performance milestone.

SEC source: 0001580808-25-000023 · wk-form4_1739224907.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,749

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 (2/1/2025), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-25-000019 · wk-form4_1738708187.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,723

F1 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to restricted stock units granted on February 21, 2023 and January 30, 2024, each of which vested on February 1, 2025.

SEC source: 0001580808-25-000017 · wk-form4_1738708042.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 542,300

F1 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to restricted stock units granted on January 25, 2022, February 21, 2023 and January 30, 2024, each of which vested on February 1, 2025.

SEC source: 0001580808-25-000018 · wk-form4_1738708125.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,162

F1 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to restricted stock units granted on January 25, 2022, February 21, 2023 and January 30, 2024, each of which vested on February 1, 2025.

SEC source: 0001580808-25-000006 · wk-form4_1738020454.xml · nonDerivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,919

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a January 30, 2024 performance restricted stock unit grant that vested on January 23, 2025.

SEC source: 0001580808-25-000004 · wk-form4_1738020302.xml · nonDerivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 593,260

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a January 25, 2022 performance restricted stock unit grant and a January 30, 2024 performance restricted stock unit grant that each vested on January 23, 2025.

SEC source: 0001580808-25-000008 · wk-form4_1738020589.xml · nonDerivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,902

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to a January 25, 2022 performance restricted stock unit grant and a January 30, 2024 performance restricted stock unit grant that each vested on January 23, 2025.

SEC source: 0001580808-25-000006 · wk-form4_1738020454.xml · derivative · entry 3

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,290 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000006 · wk-form4_1738020454.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,963

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000004 · wk-form4_1738020302.xml · derivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 99,410 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 99,410 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 99,410 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000004 · wk-form4_1738020302.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 627,213

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 99,410 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000008 · wk-form4_1738020589.xml · derivative · entry 3

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,702 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 12,702 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 12,702 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-25-000008 · wk-form4_1738020589.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,828

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The second milestone achievement date occurred on January 15, 2025, as certified by the compensation committee of ATEN, resulting in 12,702 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on January 23, 2025 and an additional one-fourth (1/4) on each of the first and second anniversaries of January 15, 2025, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000132 · wk-form4_1735606845.xml · derivative · entry 3

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,290

Underlying: Common Stock · 7,290 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000132 · wk-form4_1735606845.xml · nonDerivative · entry 2

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,673

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to January 30, 2024 performance restricted stock unit grant that vested on December 26, 2024.

SEC source: 0001580808-24-000132 · wk-form4_1735606845.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,520

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 7,290 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000138 · wk-form4_1735607684.xml · derivative · entry 3

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,410

Underlying: Common Stock · 99,411 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 99,411 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 99,411 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000138 · wk-form4_1735607684.xml · nonDerivative · entry 2

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 527,803

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to January 30, 2024 performance restricted stock unit grant that vested on December 26, 2024.

SEC source: 0001580808-24-000138 · wk-form4_1735607684.xml · nonDerivative · entry 1

Trivedi Dhrupad · CIK 0001570462 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 552,993

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 99,411 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000136 · wk-form4_1735607482.xml · derivative · entry 3

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,702

Underlying: Common Stock · 12,703 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 12,703 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 12,703 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000136 · wk-form4_1735607482.xml · nonDerivative · entry 2

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,126

F2 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to January 30, 2024 performance restricted stock unit grant that vested on December 26, 2024.

SEC source: 0001580808-24-000136 · wk-form4_1735607482.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,344

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 12,703 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000134 · wk-form4_1735607233.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,313

Underlying: Common Stock · 3,314 shares

Expires 2028-01-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 3,314 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 3,314 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-24-000134 · wk-form4_1735607233.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,152

F3 · shares: Shares automatically withheld, on a non-discretionary basis, for tax purposes related to January 30, 2024 performance restricted stock unit grant that vested on December 26, 2024.

SEC source: 0001580808-24-000134 · wk-form4_1735607233.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: 28,613

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Performance-Based Restricted Stock Units were previously reported on January 31, 2024, 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 trading period between January 30, 2024 and January 30, 2028. The first achievement date occurred on December 13, 2024, as certified by the compensation committee of ATEN, resulting in 3,314 units meeting the appropriate performance-based conditions. However, these shares remain subject to time-based vesting conditions and will therefore vest as to one-half (1/2) on December 26, 2024 and an additional one-fourth (1/4) on each of the first and second anniversaries of December 13, 2024, subject to continued employment. These shares are reflected on Table I.

F2 · balance_after: Includes 1,500 shares acquired by the Reporting Person on November 30, 2024 pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001580808-24-000126 · wk-form4_1733780256.xml · nonDerivative · entry 1

Weber Robert Scott · CIK 0001936128 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,230

F1 · balance_after: Includes 773 shares acquired on November 30, 2024 by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan.

SEC source: 0001580808-24-000124 · wk-form4_1732918580.xml · nonDerivative · entry 1

Becker Brian · CIK 0001826095 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,641

SEC source: 0001415889-24-027068 · form4-11182024_091126.xml · nonDerivative · entry 2

CHUNG PETER Y · CIK 0001239366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Remarks

Disclosed balance after: 187,367

F5 · shares: Represents 240,261 shares sold by Summit Partners Growth Equity Fund VIII-A, L.P., 87,776 shares sold by Summit Partners Growth Equity Fund VIII-B, L.P., 1,405 shares sold by Summit Investors I, LLC, and 124 shares sold by Summit Investors I (UK), L.P

F6 · acquired: On November 14, 2024, A10 Networks, Inc. entered into a Common Stock Repurchase Agreement (the "Agreement") with Summit Partners Growth Equity Fund VIII-A, L.P., Summit Partners Growth Equity Fund VIII-B L.P., Summit Investors I, LLC and Summit Investors I (UK), L.P. (collectively, "Summit"). Pursuant to the Agreement, the Company purchased an aggregate of 329,566 shares of the Company's common stock from Summit at $15.73 per share, or an aggregate purchase price of $5,184,732.31.

F7 · balance_after: The reported securities are held as follows: 187,367 shares and restricted stock units in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P. 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: (Continued from footnote 2) 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: 0001415889-24-027068 · form4-11182024_091126.xml · nonDerivative · entry 1

CHUNG PETER Y · CIK 0001239366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Remarks

Disclosed balance after: 516,933

F1 · shares: Represents 17,317 shares sold by Summit Partners Growth Equity Fund VIII-A, L.P., 6,327 shares sold by Summit Partners Growth Equity Fund VIII-B, L.P., 101 shares sold by Summit Investors I, LLC, and 9 shares sold by Summit Investors I (UK), L.P.

F2 · balance_after: The reported securities are held as follows: 240,261 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 87,776 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 1,405 shares in the name of Summit Investors I, LLC; 124 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. 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: (Continued from footnote 2) 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: 0001415889-24-026938 · form4-11152024_091130.xml · nonDerivative · entry 1

CHUNG PETER Y · CIK 0001239366 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Remarks

Disclosed balance after: 540,687

F1 · shares: Represents 57,213 shares sold by Summit Partners Growth Equity Fund VIII-A, L.P., 20,902 shares sold by Summit Partners Growth Equity Fund VIII-B, L.P., 334 shares sold by Summit Investors I, LLC, and 30 shares sold by Summit Investors I (UK), L.P.

F2 · balance_after: The reported securities are held as follows: 257,578 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 94,103 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 1,506 shares in the name of Summit Investors I, LLC; 133 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. 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: (Continued from footnote 3) 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: 0001580808-24-000122 · wk-form4_1731551428.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: 23,799

F1 · price: This is the weighted average price of the shares sold, which ranged from $16.68 to $16.70 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.