ALGN

SEC source: 0001193125-26-067969 · ownership.xml · derivative · entry 5

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,195

Underlying: Common Stock · 598 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: Represents par value of ALGN common stock.

F5 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

SEC source: 0001193125-26-067969 · ownership.xml · derivative · entry 4

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,153

Underlying: Common Stock · 11,153 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents par value of ALGN common stock.

F4 · derivative.exercise_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F4 · derivative.expiration_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0001193125-26-067969 · ownership.xml · derivative · entry 3

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,493

Underlying: Common Stock · 5,493 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2026 will become vested on February 20, 2027 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2026 will become vested on February 20, 2027 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

SEC source: 0001193125-26-067969 · ownership.xml · nonDerivative · entry 2

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,445

SEC source: 0001193125-26-067969 · ownership.xml · nonDerivative · entry 1

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,163

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 · balance_after: Includes 120 shares acquired on January 30, 2026 and 69 shares acquired on January 31, 2025 under the ALGN Employee Stock Purchase Plan.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 11

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,794

Underlying: Common Stock · 3,397 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.

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F11 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

F11 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 10

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,672

Underlying: Common Stock · 3,672 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.

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F10 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2023 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

F10 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2023 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 9

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,353 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.

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F9 · derivative.exercise_date: The market stock unit granted on February 20, 2023 became vested on February 20, 2026 and shares were delivered to reporting person on such vest date.

F9 · derivative.expiration_date: The market stock unit granted on February 20, 2023 became vested on February 20, 2026 and shares were delivered to reporting person on such vest date.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 8

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,865 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.

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F8 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2022 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date.

F8 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2022 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 7

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,882

Underlying: Common Stock · 3,961 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.

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F7 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2025 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

F7 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2025 became vested on February 20, 2026 and shares were delivered to reporting person on such grant date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 6

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,670

Underlying: Common Stock · 44,670 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F6 · derivative.exercise_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F6 · derivative.expiration_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0001193125-26-067963 · ownership.xml · derivative · entry 5

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,144

Underlying: Common Stock · 19,144 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents par value of ALGN common stock.

F5 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2026 will become vested on February 20, 2027 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2026 will become vested on February 20, 2027 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

SEC source: 0001193125-26-067963 · ownership.xml · nonDerivative · entry 2

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 209,270

SEC source: 0001193125-26-067963 · ownership.xml · nonDerivative · entry 1

HOGAN JOSEPH M · CIK 0001233163 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,377

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 · balance_after: Includes 184 shares acquired on January 30, 2026 under the ALGN Employee Stock Purchase Plan.

SEC source: 0001193125-26-061949 · ownership.xml · nonDerivative · entry 1

Morici John · CIK 0001689552 · EVP, CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,237

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $189.050 to $189.65, inclusive. The reporting person undertakes to provide Align Technology, Inc., any security holder of Align Technology, 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 in this footnote.

F2 · balance_after: Includes 183 shares acquired on January 30, 2026 under the ALGN Employee Stock Purchase Plan.

SEC source: 0001415889-25-020838 · form4-08012025_040811.xml · nonDerivative · entry 1

HOGAN JOSEPH M · CIK 0001233163 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,945

F1 · balance_after: Reflects the Reporting Person's contribution of 55,267 shares to the Hogan 2025 GRAT dated May 31, 2025 ("Hogan 2025 GRAT").

SEC source: 0001415889-25-020882 · form4-08012025_090840.xml · nonDerivative · entry 1

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,110

F1 · kind: Shares were acquired under the ALGN Employee Stock Purchase Plan.

SEC source: 0001415889-25-019412 · form4-07072025_080738.xml · derivative · entry 1

Vitalone Britt J. · CIK 0001727010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,443

Underlying: Common Stock · 1,443 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units granted on July 2, 2025 will become vested on the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F2 · derivative.expiration_date: 100% of the restricted stock units granted on July 2, 2025 will become vested on the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014232 · form4-05222025_090543.xml · derivative · entry 3

Conroy Kevin T · CIK 0001306119 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014232 · form4-05222025_090543.xml · derivative · entry 2

Conroy Kevin T · CIK 0001306119 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014232 · form4-05222025_090543.xml · nonDerivative · entry 1

Conroy Kevin T · CIK 0001306119 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,808

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.

SEC source: 0001415889-25-014209 · form4-05222025_090513.xml · derivative · entry 3

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014209 · form4-05222025_090513.xml · derivative · entry 2

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014209 · form4-05222025_090513.xml · nonDerivative · entry 1

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,978

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.

SEC source: 0001415889-25-014207 · form4-05222025_090529.xml · derivative · entry 3

Saia Andrea Lynn · CIK 0001552993 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014207 · form4-05222025_090529.xml · derivative · entry 2

Saia Andrea Lynn · CIK 0001552993 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014207 · form4-05222025_090529.xml · nonDerivative · entry 1

Saia Andrea Lynn · CIK 0001552993 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,573

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.

SEC source: 0001415889-25-014205 · form4-05222025_090506.xml · derivative · entry 3

Myong Anne · CIK 0001783781 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014205 · form4-05222025_090506.xml · derivative · entry 2

Myong Anne · CIK 0001783781 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014205 · form4-05222025_090506.xml · nonDerivative · entry 1

Myong Anne · CIK 0001783781 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,085

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.

SEC source: 0001415889-25-014206 · form4-05222025_090544.xml · derivative · entry 3

Poul Mojdeh · CIK 0001743760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014206 · form4-05222025_090544.xml · derivative · entry 2

Poul Mojdeh · CIK 0001743760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014206 · form4-05222025_090544.xml · nonDerivative · entry 1

Poul Mojdeh · CIK 0001743760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,808

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.

SEC source: 0001415889-25-014204 · form4-05222025_090526.xml · derivative · entry 4

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014204 · form4-05222025_090526.xml · derivative · entry 3

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014204 · form4-05222025_090526.xml · nonDerivative · entry 1

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,291

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.

SEC source: 0001415889-25-014202 · form4-05222025_090535.xml · derivative · entry 3

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,326

Underlying: Common Stock · 2,326 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014202 · form4-05222025_090535.xml · derivative · entry 2

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,531 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014202 · form4-05222025_090535.xml · nonDerivative · entry 1

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,128

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.

SEC source: 0001415889-25-014196 · form4-05222025_090540.xml · derivative · entry 3

Dallas Kevin J · CIK 0001730784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F3 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014196 · form4-05222025_090540.xml · derivative · entry 2

Dallas Kevin J · CIK 0001730784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F2 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F2 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014196 · form4-05222025_090540.xml · nonDerivative · entry 1

Dallas Kevin J · CIK 0001730784 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,423

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.

SEC source: 0001415889-25-014199 · form4-05222025_090554.xml · derivative · entry 3

LACOB JOSEPH · CIK 0001215490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 1,745 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents par value of ALGN common stock.

F4 · derivative.exercise_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

F4 · derivative.expiration_date: 100% of the RSUs granted on May 21, 2025 will become vested on the earlier of (i) May 21, 2026 or (ii) the date of the next annual meeting of stockholders. Shares will be delivered to the Reporting Person on such vesting date assuming the continued service of the Reporting Person on such vesting date.

SEC source: 0001415889-25-014199 · form4-05222025_090554.xml · derivative · entry 2

LACOB JOSEPH · CIK 0001215490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,148 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: Represents par value of ALGN common stock.

F3 · derivative.exercise_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

F3 · derivative.expiration_date: 100% of the restricted stock units ("RSUs") granted on May 22, 2024 vested on May 21, 2025 and shares were delivered to the Reporting Person.

SEC source: 0001415889-25-014199 · form4-05222025_090554.xml · nonDerivative · entry 1

LACOB JOSEPH · CIK 0001215490 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 134,171

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 · ownership.nature: The shares are held directly by a trust for the Reporting Person.

SEC source: 0001415889-25-005336 · form4-02242025_110215.xml · derivative · entry 9

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,692

Underlying: Common Stock · 7,692 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents par value of ALGN common stock

F9 · derivative.exercise_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F9 · derivative.expiration_date: Represents the number of shares which may be issued at target under the market stock unit. If performance exceeds target, the maximum number of shares that may vest is 250% of the at target amount. Vesting, if any, of the market stock unit occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0001415889-25-005336 · form4-02242025_110215.xml · derivative · entry 8

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,788

Underlying: Common Stock · 3,788 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents par value of ALGN common stock

F8 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2025 will become vested on February 20, 2026 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

F8 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2025 will become vested on February 20, 2026 and shares will be delivered to reporting person on such date. 1/4th of restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on such vest date.

SEC source: 0001415889-25-005336 · form4-02242025_110215.xml · derivative · entry 7

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,793

Underlying: Common Stock · 598 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: Represents par value of ALGN common stock

F7 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on each such vest date.

F7 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2024 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on each such vest date.

SEC source: 0001415889-25-005336 · form4-02242025_110215.xml · derivative · entry 6

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,076

Underlying: Common Stock · 539 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: Represents par value of ALGN common stock

F6 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2023 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

F6 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2023 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each such vest date.

SEC source: 0001415889-25-005336 · form4-02242025_110215.xml · derivative · entry 5

Coletti Julie Ann · CIK 0001777603 · EVP, CHIEF LEGAL & REGULATORY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,690 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: Represents par value of ALGN common stock

F5 · derivative.exercise_date: The market stock unit granted on February 20, 2022 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date.

F5 · derivative.expiration_date: The market stock unit granted on February 20, 2022 became vested on February 20, 2025 and shares were delivered to reporting person on such vest date.