Howton David T

SEC source: 0001193125-26-057863 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,077

F2 · shares: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form.

SEC source: 0001193125-26-057863 · ownership.xml · derivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,376

Underlying: Common Stock · 14,687 shares

Expires not disclosed

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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F4 · derivative.exercise_date: The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F4 · derivative.expiration_date: The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0001193125-26-057863 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,546

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 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

SEC source: 0001193125-26-041523 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 97,859

F1 · shares: This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form.

SEC source: 0001193125-26-034080 · ownership.xml · nonDerivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,753

F3 · shares: This sale was made to cover withholding taxes following the vesting of previously granted PSUs pursuant to a durable automatic sale instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.295 to $6.580, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form.

SEC source: 0001193125-26-034080 · ownership.xml · derivative · entry 7

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,825

Underlying: Common Stock · 42,275 shares

Expires not disclosed

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: Each restricted stock unit ("RSUs") converts to common stock on a one-for-one basis.

F8 · derivative.exercise_date: On January 31, 2025 (the "2025 Grant Date"), the reporting person was granted 169,100 RSUs, with 25% of the original number of shares vesting on each anniversary of the 2025 Grant Date until the fourth such anniversary.

F8 · derivative.expiration_date: On January 31, 2025 (the "2025 Grant Date"), the reporting person was granted 169,100 RSUs, with 25% of the original number of shares vesting on each anniversary of the 2025 Grant Date until the fourth such anniversary.

SEC source: 0001193125-26-034080 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,254

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 · price: Each restricted stock unit ("RSUs") converts to common stock on a one-for-one basis.

SEC source: 0001193125-26-034080 · ownership.xml · derivative · entry 6

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,100

Underlying: Common Stock · 105,100 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSUs") converts to common stock on a one-for-one basis.

F7 · derivative.exercise_date: The RSUs were granted on the 2026 Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the 2026 Grant Date until the fourth such anniversary.

F7 · derivative.expiration_date: The RSUs were granted on the 2026 Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the 2026 Grant Date until the fourth such anniversary.

SEC source: 0001193125-26-034080 · ownership.xml · derivative · entry 5

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 210,200

Underlying: Common Stock · 210,200 shares

Expires 2036-01-29

F6 · derivative.exercise_date: This option was granted on the 2026 Grant Date and vests over four years, with 25% of the original number of shares vesting on the first anniversary of the 2026 Grant Date and 2.0833% of the original number of shares monthly thereafter until the fourth such anniversary.

SEC source: 0001193125-26-034080 · ownership.xml · derivative · entry 4

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 79,341 shares

Expires not disclosed

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: Each performance stock unit ("PSUs") converts to common stock on a one-for-one basis.

F5 · derivative.exercise_date: The PSUs were granted on June 11, 2024 and provide for the vesting of 25% of the target number of underlying RSUs granted upon the achievement of each of four independent performance milestones predetermined by the Board ("Performance Milestones"), subject to the grantee's continued service with the Company (the "Approval Conditions"). The Performance Milestones are tied to the achievement of certain business objectives, as certified by the Board on specified evaluation dates, and are non-market and non-financial in nature. The performance criteria specified for the first Performance Milestone was determined to be met on January 29, 2026 (the "2026 Grant Date") resulting in the vesting of the PSUs as to 25% of the underlying shares.

F5 · derivative.expiration_date: The PSUs were granted on June 11, 2024 and provide for the vesting of 25% of the target number of underlying RSUs granted upon the achievement of each of four independent performance milestones predetermined by the Board ("Performance Milestones"), subject to the grantee's continued service with the Company (the "Approval Conditions"). The Performance Milestones are tied to the achievement of certain business objectives, as certified by the Board on specified evaluation dates, and are non-market and non-financial in nature. The performance criteria specified for the first Performance Milestone was determined to be met on January 29, 2026 (the "2026 Grant Date") resulting in the vesting of the PSUs as to 25% of the underlying shares.

SEC source: 0001193125-26-034080 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,249

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 · price: Each performance stock unit ("PSUs") converts to common stock on a one-for-one basis.

SEC source: 0001193125-26-166736 · ownership.xml · derivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,341

Underlying: Common Stock · 79,341 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F2 · derivative.exercise_date: Performance stock units ("PSUs") were granted on June 11, 2024, and provide for the vesting of 25% of the target number of underlying RSUs granted upon the achievement of each of four independent performance milestones predetermined by the Board ("Performance Milestones"). The Performance Milestones are tied to the achievement of certain business objectives, as certified by the Board on specified evaluation dates, and are non-market and non-financial in nature. The performance criteria specified for the second Performance Milestone was determined by the Board to be met on January 29, 2026, and the shares related to such Performance Milestone will vest subject to the grantee's continued service with the Company on the Evaluation Date, which is anticipated to occur in the first quarter of 2027.

F2 · derivative.expiration_date: Performance stock units ("PSUs") were granted on June 11, 2024, and provide for the vesting of 25% of the target number of underlying RSUs granted upon the achievement of each of four independent performance milestones predetermined by the Board ("Performance Milestones"). The Performance Milestones are tied to the achievement of certain business objectives, as certified by the Board on specified evaluation dates, and are non-market and non-financial in nature. The performance criteria specified for the second Performance Milestone was determined by the Board to be met on January 29, 2026, and the shares related to such Performance Milestone will vest subject to the grantee's continued service with the Company on the Evaluation Date, which is anticipated to occur in the first quarter of 2027.

SEC source: 0001193125-25-308118 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,908

F2 · shares: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

SEC source: 0001193125-25-308118 · ownership.xml · derivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,052

Underlying: Common Stock · 13,051 shares

Expires not disclosed

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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0001193125-25-308118 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,840

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 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

SEC source: 0000950170-25-109736 · ownership.xml · derivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock (the "RSUs").

F1 · derivative.exercise_date: The RSUs (as defined in footnote 2) together with this option were granted on August 14, 2025 (the "Grant Date") and vest over four years, with 50% of the original number of shares vesting on the second anniversary of the Grant Date and 25% of the original number of shares annually thereafter until the fourth such anniversary.

F1 · derivative.expiration_date: The RSUs (as defined in footnote 2) together with this option were granted on August 14, 2025 (the "Grant Date") and vest over four years, with 50% of the original number of shares vesting on the second anniversary of the Grant Date and 25% of the original number of shares annually thereafter until the fourth such anniversary.

SEC source: 0000950170-25-109736 · ownership.xml · derivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Stock · 150,000 shares

Expires 2035-08-14

F1 · derivative.exercise_date: The RSUs (as defined in footnote 2) together with this option were granted on August 14, 2025 (the "Grant Date") and vest over four years, with 50% of the original number of shares vesting on the second anniversary of the Grant Date and 25% of the original number of shares annually thereafter until the fourth such anniversary.

SEC source: 0000950170-25-022196 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,789

F2 · shares: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Howton on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Howton.

SEC source: 0000950170-25-022196 · ownership.xml · derivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,063

Underlying: Common Stock · 14,687 shares

Expires not disclosed

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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on February 13, 2024 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000950170-25-022196 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,350

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 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

SEC source: 0000950170-25-017962 · ownership.xml · derivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,100

Underlying: Common Stock · 169,100 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock (the "RSUs").

F2 · derivative.exercise_date: The RSUs were granted on the January 31, 2025 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F2 · derivative.expiration_date: The RSUs were granted on the January 31, 2025 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000950170-24-133340 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,663

F2 · shares: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs. The sale does not represent a discretionary trade made by Mr. Howton.

SEC source: 0000950170-24-133340 · ownership.xml · derivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,103

Underlying: Common Stock · 13,051 shares

Expires not disclosed

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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000950170-24-133340 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,735

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 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

SEC source: 0000950170-24-016193 · ownership.xml · derivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,750

Underlying: Common Stock · 58,750 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on the Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on the Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000950170-24-016193 · ownership.xml · derivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,500

Underlying: Common Stock · 117,500 shares

Expires 2034-02-13

F1 · derivative.exercise_date: This option was granted on February 13, 2024 (the "Grant Date") and vests over four years, with 25% of the original number of shares vesting on the first anniversary of the Grant Date and 2.0833% of the original number of shares monthly thereafter until the fourth such anniversary.

SEC source: 0000950170-23-068067 · ownership.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,684

F2 · shares: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs. The shares were sold pursuant to a written instruction under Rule 10b5-1(c)(1).

SEC source: 0000950170-23-068067 · ownership.xml · derivative · entry 3

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,154

Underlying: Common Stock · 13,051 shares

Expires not disclosed

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: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on December 2, 2022 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000950170-23-068067 · ownership.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,051

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 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

SEC source: 0000899243-22-037686 · doc4.xml · derivative · entry 2

Howton David T · CIK 0001529297 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,205

Underlying: Common Stock · 52,205 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock (the "RSUs").

F3 · derivative.exercise_date: The RSUs were granted on the Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

F3 · derivative.expiration_date: The RSUs were granted on the Grant Date and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.

SEC source: 0000899243-22-037686 · doc4.xml · derivative · entry 1

Howton David T · CIK 0001529297 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,410

Underlying: Common Stock · 104,410 shares

Expires 2032-12-02

F1 · derivative.exercise_date: This option was granted on December 2, 2022 (the "Grant Date") and vests over four years, with 25% of the original number of shares vesting on the first anniversary of the Grant Date and 2.0833% of the original number of shares on the first day of each calendar month thereafter until the fourth such anniversary.

SEC source: 0001209191-20-038339 · doc4.xml · derivative · entry 12

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,708

Underlying: Common Stock · 45,000 shares

Expires 2024-02-28

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · derivative · entry 11

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 56,984 shares

Expires 2022-11-05

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · derivative · entry 10

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,858 shares

Expires 2026-02-28

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · derivative · entry 9

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,280 shares

Expires 2026-02-28

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 8

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,871

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

F5 · price: The shares were sold in transactions at prices ranging from $171.09 to $172.0899, inclusive. The reporting person undertakes to provide to Sarepta Therapeutics, Inc., any security holder of Sarepta Therapeutics, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 7

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,141

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

F4 · price: The shares were sold in transactions at prices ranging from $170.09 to $171.0899, inclusive. The reporting person undertakes to provide to Sarepta Therapeutics, Inc., any security holder of Sarepta Therapeutics, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 6

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,898

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

F3 · price: The shares were sold in transactions at prices ranging from $169.09 to $170.0899, inclusive. The reporting person undertakes to provide to Sarepta Therapeutics, Inc., any security holder of Sarepta Therapeutics, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 5

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

F2 · price: The shares were sold in transactions at prices ranging from $168.04 to $169.0399, inclusive. The reporting person undertakes to provide to Sarepta Therapeutics, Inc., any security holder of Sarepta Therapeutics, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 4

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,993

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 3

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,993

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,009

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-038339 · doc4.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,151

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-20-014224 · doc4.xml · derivative · entry 2

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,500

Underlying: Common Stock · 37,500 shares

Expires 2030-02-28

F2 · derivative.exercise_date: 25% of the option granted vests and is exercisable on the first anniversary of the date of grant and 1/48th of the total granted option will vest and become exercisable on each monthly anniversary thereafter, such that the option will be fully vested and exercisable on the fourth anniversary of the date of grant.

SEC source: 0001209191-20-014224 · doc4.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,871

F1 · shares: The Reporting Person was granted restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock. 25% of the shares of common stock underlying each RSU will vest and become exercisable on the first anniversary of the grant date, and additional 25% will vest and become exercisable on each anniversary of the Grant Date thereafter, such that the RSUs will be fully vested and exercisable on the fourth anniversary of the grant date.

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock. 25% of the shares of common stock underlying each RSU will vest and become exercisable on the first anniversary of the grant date, and additional 25% will vest and become exercisable on each anniversary of the Grant Date thereafter, such that the RSUs will be fully vested and exercisable on the fourth anniversary of the grant date.

SEC source: 0001209191-19-061049 · doc4.xml · derivative · entry 5

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,984

Underlying: Common Stock · 59,421 shares

Expires 2022-11-05

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-19-061049 · doc4.xml · derivative · entry 4

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,579 shares

Expires 2025-02-27

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-19-061049 · doc4.xml · nonDerivative · entry 3

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,171

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-19-061049 · doc4.xml · nonDerivative · entry 2

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,171

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.

SEC source: 0001209191-19-061049 · doc4.xml · nonDerivative · entry 1

Howton David T · CIK 0001529297 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,750

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person. Accordingly, the reporting person had no discretion with regards to the timing of the transaction.