ALGN

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 192,676

F10 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $696.94 to $697.75, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,408

F9 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $695.93 to $696.905, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,774

F8 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $694.91 to $695.905, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,782

F7 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $693.9 to $694.87, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,937

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $692.895 to $693.875, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,120

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $691.87 to $692.38, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,719

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $690.62 to $691.45, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,634

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $689.60 to $690.51, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,052

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $688.55 to $689.535, 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.

SEC source: 0001209191-21-049652 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,338

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $687.47 to $687.90, 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.

SEC source: 0001209191-21-049465 · doc4.xml · nonDerivative · entry 4

Wright Emory · CIK 0001419490 · SVP, Global Operations

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 962

F1 · ownership.nature: These shares are held by irrevocable trusts for the benefit of the children of the Reporting Person. The Reporting Person is a co-trustee of each of the trusts.

SEC source: 0001209191-21-049465 · doc4.xml · nonDerivative · entry 3

Wright Emory · CIK 0001419490 · SVP, Global Operations

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,883

F1 · ownership.nature: These shares are held by irrevocable trusts for the benefit of the children of the Reporting Person. The Reporting Person is a co-trustee of each of the trusts.

SEC source: 0001209191-21-049465 · doc4.xml · nonDerivative · entry 2

Wright Emory · CIK 0001419490 · SVP, Global Operations

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,883

F1 · ownership.nature: These shares are held by irrevocable trusts for the benefit of the children of the Reporting Person. The Reporting Person is a co-trustee of each of the trusts.

SEC source: 0001209191-21-049465 · doc4.xml · nonDerivative · entry 1

Wright Emory · CIK 0001419490 · SVP, Global Operations

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,883

F1 · ownership.nature: These shares are held by irrevocable trusts for the benefit of the children of the Reporting Person. The Reporting Person is a co-trustee of each of the trusts.

SEC source: 0001209191-21-049350 · doc4.xml · nonDerivative · entry 3

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 12,749

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $708.805 to $708.98, 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.

SEC source: 0001209191-21-049350 · doc4.xml · nonDerivative · entry 2

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 13,001

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $707.08 to $708.655, 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.

SEC source: 0001209191-21-049350 · doc4.xml · nonDerivative · entry 1

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 16,249

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $705.315 to $705.90, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 8

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 557

F6 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $700.23 to $700.44, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 7

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 997

F5 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $700.52 to $701.475, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 6

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,482

F4 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $701.50 to $702.435, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 5

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,732

F3 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $702.70 to $703.53, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 4

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,259

F2 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $703.56 to $704.53, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 3

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,415

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $704.55 to $705.53, 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.

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 2

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,693

SEC source: 0001209191-21-049348 · doc4.xml · nonDerivative · entry 1

Hockridge Stuart A · CIK 0001675043 · SVP Global HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,713

SEC source: 0001209191-21-049065 · doc4.xml · nonDerivative · entry 1

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,667

F1 · kind: All sales in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person.

SEC source: 0001209191-21-047875 · doc4.xml · derivative · entry 4

Coletti Julie Ann · CIK 0001777603 · SVP, Chief Legal & Regulatory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 640

Underlying: Common Stock · 320 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_date: 1/4th of the restricted stock unit granted on July 1, 2019 became vested on July 20, 2021 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will 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 July 1, 2019 became vested on July 20, 2021 and shares were delivered to reporting person on such vest date. 1/4th of the restricted stock unit will annually and shares will be delivered to reporting person on each vest date.

SEC source: 0001209191-21-047875 · doc4.xml · derivative · entry 3

Coletti Julie Ann · CIK 0001777603 · SVP, Chief Legal & Regulatory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 386

Underlying: Common Stock · 386 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 July 2, 2018 became vested on July 20, 2021 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 July 2, 2018 became vested on July 20, 2021 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: 0001209191-21-047875 · doc4.xml · nonDerivative · entry 2

Coletti Julie Ann · CIK 0001777603 · SVP, Chief Legal & Regulatory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 808

SEC source: 0001209191-21-047875 · doc4.xml · nonDerivative · entry 1

Coletti Julie Ann · CIK 0001777603 · SVP, Chief Legal & Regulatory

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,121

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: 0001209191-21-046680 · doc4.xml · nonDerivative · entry 1

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,167

F1 · kind: All of the sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person

SEC source: 0001209191-21-043756 · doc4.xml · nonDerivative · entry 2

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,710

F1 · kind: All of the sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person

SEC source: 0001209191-21-043756 · doc4.xml · nonDerivative · entry 1

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,210

F1 · kind: All of the sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person

SEC source: 0001209191-21-038740 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 129,300 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: The market stock unit granted on June 22, 2018 became vested on June 4, 2021 and shares were delivered to reporting person on such vest date.

F3 · derivative.expiration_date: The market stock unit granted on June 22, 2018 became vested on June 4, 2021 and shares were delivered to reporting person on such vest date.

SEC source: 0001209191-21-038740 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 212,107

SEC source: 0001209191-21-038740 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,232

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: 0001209191-21-035567 · doc4.xml · nonDerivative · entry 1

Thaler Warren S · CIK 0001293595 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 61,378

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $605.00 to $605.351, 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 · ownership.nature: The shares are held directly by the Thaler Family Trust for which the spouse of the reporting person is the trustee.

SEC source: 0001209191-21-035565 · doc4.xml · nonDerivative · entry 1

Saia Andrea Lynn · CIK 0001552993 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 11,758

SEC source: 0001209191-21-035563 · doc4.xml · nonDerivative · entry 1

Morici John · CIK 0001689552 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,040

F1 · price: The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $597.5275 to $598.195, 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.

SEC source: 0001209191-21-043756 · doc4.xml · nonDerivative · entry 3

LARKIN C RAYMOND JR · CIK 0001034464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,667

SEC source: 0001209191-21-035084 · doc4.xml · derivative · entry 3

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524

Underlying: Common Stock · 524 shares

Expires not disclosed

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

F3 · derivative.exercise_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

F3 · derivative.expiration_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

SEC source: 0001209191-21-035084 · doc4.xml · derivative · entry 2

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,271 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 unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

F2 · derivative.expiration_date: 100% of the restricted stock unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

SEC source: 0001209191-21-035084 · doc4.xml · nonDerivative · entry 1

MORROW GEORGE J · CIK 0001068754 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,749

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: 0001209191-21-035064 · doc4.xml · derivative · entry 4

Thaler Warren S · CIK 0001293595 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524

Underlying: Common Stock · 524 shares

Expires not disclosed

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

F4 · derivative.exercise_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

F4 · derivative.expiration_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

SEC source: 0001209191-21-035064 · doc4.xml · derivative · entry 3

Thaler Warren S · CIK 0001293595 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,271 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 unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

F3 · derivative.expiration_date: 100% of the restricted stock unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

SEC source: 0001209191-21-035064 · doc4.xml · nonDerivative · entry 1

Thaler Warren S · CIK 0001293595 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,092

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: 0001209191-21-035060 · doc4.xml · derivative · entry 3

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524

Underlying: Common Stock · 524 shares

Expires not disclosed

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

F3 · derivative.exercise_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

F3 · derivative.expiration_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

SEC source: 0001209191-21-035060 · doc4.xml · derivative · entry 2

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,271 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 unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

F2 · derivative.expiration_date: 100% of the restricted stock unit granted on May 20, 2020 became vested on May 19, 2021 and shares were delivered to reporting person on such vest date.

SEC source: 0001209191-21-035060 · doc4.xml · nonDerivative · entry 1

SIEGEL SUSAN E · CIK 0001240363 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,163

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.

SEC source: 0001209191-21-035058 · doc4.xml · derivative · entry 3

SANTORA GREG J · CIK 0001188901 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 524

Underlying: Common Stock · 524 shares

Expires not disclosed

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

F4 · derivative.exercise_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.

F4 · derivative.expiration_date: 100% of the restricted stock unit granted on May 19, 2021 will become vested on the earlier of (i) May 19, 2022 or (i) the date of the 2022 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.