ALIGN TECHNOLOGY INC — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2026-02-20

Reporting Person: Morici John (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	M	7848	—	Acquired	16085	Direct
2026-02-20	Common Stock	F	2549	$190.02	Disposed	13536	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Restricted Stock Unit	$0.0001	A	8423	Acquired		Common Stock (8423)	Direct
2026-02-20	Market Stock Unit	$0.0001	A	17102	Acquired		Common Stock (17102)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	837	Disposed		Common Stock (837)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	1251	Disposed		Common Stock (1251)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	389	Disposed		Common Stock (389)	Direct
2026-02-20	Market Stock Unit	$0.0001	M	4653	Disposed		Common Stock (4653)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	718	Disposed		Common Stock (718)	Direct

Footnotes

F1: Represents par value of ALGN common stock.

F2: 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: 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: 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: 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.

F6: 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.

F7: 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.

F8: 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.