BRUENING MATTHEW P

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: 0001580808-23-000191 · 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: 0001580808-23-000176 · 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: 0001580808-23-000165 · 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: 0001580808-23-000153 · wk-form4_1691007731.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,300

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 $15.37 to $15.44 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: 0001580808-23-000096 · wf-form4_168418825867040.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,392

F1 · price: This is the weighted average price of the shares sold, which ranged from $13.95 to $13.99 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: 0001580808-23-000094 · wf-form4_168375013560898.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 121,693

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: 0001580808-23-000062 · wf-form4_167891325296623.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,459

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: 0001580808-23-000042 · wf-form4_167710354766171.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,767

Underlying: Common Stock · 31,767 shares

Expires 2027-02-21

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

F3 · derivative.exercise_date: Grant of 31,767 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 trading period between February 21, 2023 and February 21, 2027 (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: 0001580808-23-000042 · wf-form4_167710354766171.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,753

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 (2/1/2023), provided that the Reporting Person continues to serve through each such vesting date.

SEC source: 0001580808-23-000035 · wf-form4_167666874060432.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,575

SEC source: 0001580808-23-000032 · wf-form4_167650129008920.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,725

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: 0001580808-23-000020 · wf-form4_167572750635957.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,920

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: 0001580808-23-000014 · wf-form4_167547158650030.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,355

Underlying: Common Stock · 12,179 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 first achievement date occurred on January 23, 2023, as certified by the compensation committee of ATEN, resulting in 12,179 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 13, 2023 and an additional one-third (1/3) to vest on the each of the first and second anniversaries of January 23, 2023, subject to continued employment.

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 first achievement date occurred on January 23, 2023, as certified by the compensation committee of ATEN, resulting in 12,179 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 13, 2023 and an additional one-third (1/3) to vest on the each of the first and second anniversaries of January 23, 2023, subject to continued employment.

SEC source: 0001580808-23-000014 · wf-form4_167547158650030.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,697

F2 · 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: 0001580808-23-000014 · wf-form4_167547158650030.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,226

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 first achievement date occurred on January 23, 2023, as certified by the compensation committee of ATEN, resulting in 12,179 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 13, 2023 and an additional one-third (1/3) to vest on the each of the first and second anniversaries of January 23, 2023, subject to continued employment.

SEC source: 0001580808-23-000008 · wf-form4_167528745114306.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,047

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: 0001580808-22-000189 · wf-form4_166760030346029.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,775

F1 · price: This is the weighted average price of the shares sold, which ranged from $17.65 to $17.815 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: 0001580808-22-000168 · wf-form4_166260190308133.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,918

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: 0001580808-22-000161 · wf-form4_166120271904326.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 128,004

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: 0001580808-22-000156 · wf-form4_166068091368516.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,089

SEC source: 0001580808-22-000154 · wf-form4_166025368842880.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,192

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: 0001580808-22-000148 · wf-form4_165974191571382.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,200

F1 · price: This is the weighted average price of the shares sold, which ranged from $15.48 to $15.51 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: 0001580808-22-000141 · wf-form4_165955860749610.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,593

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: 0001580808-22-000106 · wf-form4_165403545687792.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,983

F1 · price: This is the weighted average price of the shares sold, which ranged from $15.46 to $15.53 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: 0001580808-22-000095 · wf-form4_165221648356191.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,483

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: 0001580808-22-000060 · wf-form4_164738269471572.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,347

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: 0001580808-22-000044 · wf-form4_164402180695880.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,748

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: 0001580808-22-000035 · wf-form4_164383699878804.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 176,564

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: 0001580808-22-000012 · wf-form4_164332053809105.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,534

Underlying: Common Stock · 36,534 shares

Expires 2026-01-25

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

F3 · derivative.exercise_date: Grant of 36,534 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 trading period between January 25, 2022 and January 25, 2026 (each, a "Performance Milestone"). Upon achievement of a 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 respective Performance Milestone and an additional one-third (1/3) on each of the first and second anniversaries of the date of achievement of the corresponding Performance Milestone.

SEC source: 0001580808-22-000012 · wf-form4_164332053809105.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,317

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 February 2, 2022, provided that the Reporting Person continues to serve through each vesting date.

SEC source: 0001188611-21-000001 · wf-form4_163597392093285.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,659

SEC source: 0001580808-21-000158 · wf-form4_163226379921403.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,821

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: 0001580808-21-000151 · wf-form4_163165872591227.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,972 shares

Expires 2025-02-02

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 February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The last milestone achievement date occurred on September 2, 2021, as certified by the compensation committee of ATEN on September 11, 2021, resulting in 13,972 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 September 16, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of September 2, 2021, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The last milestone achievement date occurred on September 2, 2021, as certified by the compensation committee of ATEN on September 11, 2021, resulting in 13,972 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 September 16, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of September 2, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000151 · wf-form4_163165872591227.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,215

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 February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The last milestone achievement date occurred on September 2, 2021, as certified by the compensation committee of ATEN on September 11, 2021, resulting in 13,972 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 September 16, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of September 2, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000144 · wf-form4_163053157107966.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,243

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: 0001580808-21-000132 · wf-form4_162950299389760.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,972

Underlying: Common Stock · 13,972 shares

Expires 2025-02-02

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 February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The second milestone achievement date occurred on August 17, 2021, as certified by the compensation committee of ATEN on August 19, 2021, resulting in 13,972 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 August 30, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of August 17, 2021, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The second milestone achievement date occurred on August 17, 2021, as certified by the compensation committee of ATEN on August 19, 2021, resulting in 13,972 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 August 30, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of August 17, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000132 · wf-form4_162950299389760.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 167,637

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 February 4, 2021, 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) calendar day trading period between February 2, 2021 and February 2, 2025. The second milestone achievement date occurred on August 17, 2021, as certified by the compensation committee of ATEN on August 19, 2021, resulting in 13,972 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 August 30, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of August 17, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000124 · wf-form4_162879872892394.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 33,334 shares

Expires 2024-04-29

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.

F2 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The last milestone achievement occurred on August 5, 2021, as certified by the compensation committee of ATEN on August 10, 2021, resulting in 33,334 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 the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

F2 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The last milestone achievement occurred on August 5, 2021, as certified by the compensation committee of ATEN on August 10, 2021, resulting in 33,334 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 the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000124 · wf-form4_162879872892394.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,665

F3 · 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: 0001580808-21-000124 · wf-form4_162879872892394.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,059

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.

F2 · shares: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The last milestone achievement occurred on August 5, 2021, as certified by the compensation committee of ATEN on August 10, 2021, resulting in 33,334 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 the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000124 · wf-form4_162879872892394.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,944

Underlying: Common Stock · 13,972 shares

Expires 2025-02-02

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 February 4, 2021, 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 2, 2021 and February 2, 2025. The achievement of the first milestone occurred on July 30, 2021, as certified by the compensation committee August 2, 2021, resulting in 13,972 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 August 9, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of July 30, 2021, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on February 4, 2021, 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 2, 2021 and February 2, 2025. The achievement of the first milestone occurred on July 30, 2021, as certified by the compensation committee August 2, 2021, resulting in 13,972 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 August 9, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of July 30, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000124 · wf-form4_162879872892394.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,725

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 February 4, 2021, 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 2, 2021 and February 2, 2025. The achievement of the first milestone occurred on July 30, 2021, as certified by the compensation committee August 2, 2021, resulting in 13,972 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 August 9, 2021 and an additional one-third (1/3) on each of the first and second anniversaries of July 30, 2021, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000091 · wf-form4_162041885302360.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,753

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 $8.81 to $8.82 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: 0001580808-21-000058 · wf-form4_161670913805128.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,334

Underlying: Common Stock · 33,333 shares

Expires 2024-04-29

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 May 1, 2020, 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 April 29, 2020 and April 29, 2024. The second achievement date occurred on March 12, 2021 as certified by the compensation committee of ATEN on March 23, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

F1 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The second achievement date occurred on March 12, 2021 as certified by the compensation committee of ATEN on March 23, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000058 · wf-form4_161670913805128.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,630

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 May 1, 2020, 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 April 29, 2020 and April 29, 2024. The second achievement date occurred on March 12, 2021 as certified by the compensation committee of ATEN on March 23, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000017 · wf-form4_161248392953627.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,667

Underlying: Common Stock · 33,333 shares

Expires 2024-04-29

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.

F2 · derivative.exercise_price: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The first achievement date occurred on January 28, 2021, as certified by the compensation committee of ATEN on February 2, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

F2 · derivative.exercise_date: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The first achievement date occurred on January 28, 2021, as certified by the compensation committee of ATEN on February 2, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.

SEC source: 0001580808-21-000017 · wf-form4_161248392953627.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,916

Underlying: Common Stock · 41,916 shares

Expires 2025-02-02

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

F4 · derivative.exercise_date: Grant of 41,916 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 trading period between February 2, 2021 and February 2, 2025 (each, a "Performance Milestone"). Upon achievement of a 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 corresponding Performance Milestone.

SEC source: 0001580808-21-000017 · wf-form4_161248392953627.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,297

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.

F2 · shares: Performance-Based Restricted Stock Units were previously reported on May 1, 2020, 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 April 29, 2020 and April 29, 2024. The first achievement date occurred on January 28, 2021, as certified by the compensation committee of ATEN on February 2, 2021, resulting in 33,333 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 on each of the first, second and third anniversaries of achievement of the milestone, subject to continued employment. These shares are reflected on Table I.