ALGN

SEC source: 0000899243-19-004552 · doc4.xml · derivative · entry 3

GEORGE ROGER E · CIK 0001234778 · SVP, Legal Affairs & GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,675 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.

F3 · derivative.exercise_price: Represents par value of ALGN common stock.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

SEC source: 0000899243-19-004552 · doc4.xml · nonDerivative · entry 2

GEORGE ROGER E · CIK 0001234778 · SVP, Legal Affairs & GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,475

F2 · balance_after: 5,525 shares were transferred to the reporting person's former spouse pursuant to a domestic relations order.

SEC source: 0000899243-19-004552 · doc4.xml · nonDerivative · entry 1

GEORGE ROGER E · CIK 0001234778 · SVP, Legal Affairs & GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,352

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 25 shares acquired under the ALGN ESPP on January 31, 2019.

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,973

Underlying: Common Stock · 66,973 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents par value of ALGN common stock.

F9 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest 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 maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,395

Underlying: Common Stock · 13,395 shares

Expires not disclosed

F3 · 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, 2019 will become vested on February 20, 2020 and shares will be 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 vest date.

F8 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be 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 vest date.

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 69,000 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.

F3 · derivative.exercise_price: Represents par value of ALGN common stock.

F7 · derivative.exercise_date: Represents the maximum number of shares issued under the market stock unit granted on February 20, 2016. Shares were delivered to reporting person on such vest date.

F7 · derivative.expiration_date: Represents the maximum number of shares issued under the market stock unit granted on February 20, 2016. Shares were delivered to reporting person on such vest date.

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,200

Underlying: Common Stock · 2,400 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.

F3 · 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, 2018 became vested on February 20, 2019 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 vest date.

F6 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 6,250 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.

F3 · 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, 2017 became vested on February 20, 2019 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 vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004549 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 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.

F3 · derivative.exercise_price: Represents par value of ALGN common stock.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 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 vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004549 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,208

SEC source: 0000899243-19-004549 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,427

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 147 shares acquired under the ALGN ESPP on January 31, 2019.

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 8

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,443

Underlying: Common Stock · 7,443 shares

Expires not disclosed

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

F8 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F8 · derivative.expiration_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 7

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,488

Underlying: Common Stock · 1,488 shares

Expires not disclosed

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, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F7 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 6

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,050

Underlying: Common Stock · 350 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, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F6 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 5

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,150

Underlying: Common Stock · 1,075 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, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 4

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228

Underlying: Common Stock · 228 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.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004550 · doc4.xml · derivative · entry 3

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 583 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: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

SEC source: 0000899243-19-004550 · doc4.xml · nonDerivative · entry 2

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,806

SEC source: 0000899243-19-004550 · doc4.xml · nonDerivative · entry 1

Olson Jennifer · CIK 0001682549 · SVP& Mng Dir. D-DCC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,412

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 257 shares acquired on January 31, 2019 under the ALGN ESPP.

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 8

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,163

Underlying: Common Stock · 11,163 shares

Expires not disclosed

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

F7 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F7 · derivative.expiration_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 7

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,232

Underlying: Common Stock · 2,232 shares

Expires not disclosed

F1 · 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, 2019 will become vested on February 20, 2020 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

F6 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 6

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,750 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.

F5 · derivative.exercise_date: The market stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares will be delivered to reporting person on such vest date.

F5 · derivative.expiration_date: The market stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares will be delivered to reporting person on such vest date.

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 5

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,350

Underlying: Common Stock · 450 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.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 4

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 1,500 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.

F3 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004547 · doc4.xml · derivative · entry 3

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,125

Underlying: Common Stock · 2,125 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: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 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 vest date.

F2 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004547 · doc4.xml · nonDerivative · entry 2

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,643

SEC source: 0000899243-19-004547 · doc4.xml · nonDerivative · entry 1

Beard Simon · CIK 0001649798 · SVP and Mgng Director, EMEA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,552

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: 0000899243-19-004548 · doc4.xml · derivative · entry 8

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,908

Underlying: Common Stock · 11,908 shares

Expires not disclosed

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

F8 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F8 · derivative.expiration_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 7

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,381

Underlying: Common Stock · 2,381 shares

Expires not disclosed

F1 · 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, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F7 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 6

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,500 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.

F6 · derivative.exercise_date: Represents the maximum number of shares issued under the market stock unit granted on February 20, 2016. Shares were delivered to reporting person on such vest date.

F6 · derivative.expiration_date: Represents the maximum number of shares issued under the market stock unit granted on February 20, 2016. Shares were delivered to reporting person on such vest date.

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 5

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,350

Underlying: Common Stock · 450 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.

F5 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 4

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,100

Underlying: Common Stock · 1,550 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.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 3

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Common Stock · 2,250 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.

F3 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004548 · doc4.xml · derivative · entry 2

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,480 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: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

F2 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.

SEC source: 0000899243-19-004548 · doc4.xml · nonDerivative · entry 1

Tay Julie · CIK 0001649020 · SVP, Asia Pacific

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,156

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: 0000899243-19-004546 · doc4.xml · derivative · entry 6

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,418

Underlying: Common Stock · 10,418 shares

Expires not disclosed

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

F6 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest 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 maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004546 · doc4.xml · derivative · entry 5

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,084

Underlying: Common Stock · 2,084 shares

Expires not disclosed

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, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004546 · doc4.xml · derivative · entry 4

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,350

Underlying: Common Stock · 450 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.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 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 vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004546 · doc4.xml · derivative · entry 3

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 1,500 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: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 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 vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004546 · doc4.xml · nonDerivative · entry 2

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,573

SEC source: 0000899243-19-004546 · doc4.xml · nonDerivative · entry 1

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,310

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 241 shares acquired under the ALGN ESPP on January 31, 2019.

SEC source: 0000899243-19-004545 · doc4.xml · derivative · entry 6

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,395

Underlying: Common Stock · 13,395 shares

Expires not disclosed

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

F6 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest 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 maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004545 · doc4.xml · derivative · entry 5

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,679

Underlying: Common Stock · 2,679 shares

Expires not disclosed

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, 2019 will become vested on February 20, 2020 and shares will be 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 vest date.

F5 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be 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 vest date.

SEC source: 0000899243-19-004545 · doc4.xml · derivative · entry 4

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,725

Underlying: Common Stock · 575 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.

F4 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 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 vest date.

F4 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004545 · doc4.xml · derivative · entry 3

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Common Stock · 1,750 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: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 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 vest date.

F3 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 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 vest date.

SEC source: 0000899243-19-004545 · doc4.xml · nonDerivative · entry 2

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,287

SEC source: 0000899243-19-004545 · doc4.xml · nonDerivative · entry 1

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,263

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 257 shares acquired under the ALGN ESPP on January 31, 2019.

SEC source: 0000899243-19-004544 · doc4.xml · derivative · entry 9

Wright Emory · CIK 0001419490 · SVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,908

Underlying: Common Stock · 11,908 shares

Expires not disclosed

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

F8 · derivative.exercise_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

F8 · derivative.expiration_date: Represents the maximum number of shares which may be issued under the market stock unit. All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).

SEC source: 0000899243-19-004544 · doc4.xml · derivative · entry 8

Wright Emory · CIK 0001419490 · SVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,381

Underlying: Common Stock · 2,381 shares

Expires not disclosed

F1 · 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, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F7 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2019 will become vested on February 20, 2020 and shares will be delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

SEC source: 0000899243-19-004544 · doc4.xml · derivative · entry 7

Wright Emory · CIK 0001419490 · SVP, Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,575

Underlying: Common Stock · 525 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.

F6 · derivative.exercise_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.

F6 · derivative.expiration_date: 1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.