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: HOGAN JOSEPH M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	M	40248	—	Acquired	225377	Direct
2026-02-20	Common Stock	F	16107	$190.02	Disposed	209270	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Restricted Stock Unit	$0.0001	A	19144	Acquired		Common Stock (19144)	Direct
2026-02-20	Market Stock Unit	$0.0001	A	44670	Acquired		Common Stock (44670)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	3961	Disposed		Common Stock (3961)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	1865	Disposed		Common Stock (1865)	Direct
2026-02-20	Market Stock Unit	$0.0001	M	27353	Disposed		Common Stock (27353)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	3672	Disposed		Common Stock (3672)	Direct
2026-02-20	Restricted Stock Unit	$0.0001	M	3397	Disposed		Common Stock (3397)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	55267	Indirect
Common Stock	1500	Indirect

Footnotes

F1: Includes 184 shares acquired on January 30, 2026 under the ALGN Employee Stock Purchase Plan.

F2: Shares are held by the Hogan 2025 GRAT, for which the Reporting Person serves as trustee.

F3: These securities are held directly by the spouse of the reporting person. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

F4: Represents par value of ALGN common stock.

F5: 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.

F6: 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).

F7: 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.

F8: 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.

F9: 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.

F10: 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.

F11: 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.