Align Technology (ALGN)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-05-01 --- Issuer --- Name: ALIGN TECHNOLOGY INC (ALGN) CIK: 0001097149 --- Reporting Owner --- Name: Marree Jitse CIK: 0002134103 Role: Officer (See Remarks) --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) [Holding #2] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F1] On February 20, 2023, the reporting person received an award of 906 restricted stock units ("RSUs"), vesting 25% on each anniversary of the grant date. The remaining 226 unvested shares will vest in full on February 20, 2027, and shares will be delivered to the reporting person on such vesting date. [F1] On February 20, 2023, the reporting person received an award of 906 restricted stock units ("RSUs"), vesting 25% on each anniversary of the grant date. The remaining 226 unvested shares will vest in full on February 20, 2027, and shares will be delivered to the reporting person on such vesting date. [Holding #3] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F3] On February 20, 2024, the reporting person received an award of 905 RSUs, vesting 25% on each anniversary of the grant date. The remaining 452 unvested shares will vest in equal installments on February 20, 2027 and February 20, 2028, and shares will be delivered to the reporting person on each such vesting date. [F3] On February 20, 2024, the reporting person received an award of 905 RSUs, vesting 25% on each anniversary of the grant date. The remaining 452 unvested shares will vest in equal installments on February 20, 2027 and February 20, 2028, and shares will be delivered to the reporting person on each such vesting date. [Holding #4] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F4] On February 20, 2025, the reporting person received an award of 1,837 RSUs, vesting 25% on each anniversary of the grant date. The remaining 1,377 unvested shares will vest in equal installments on February 20, 2027, February 20, 2028, and February 20, 2029, and shares will be delivered to the reporting person on each such vesting date. [F4] On February 20, 2025, the reporting person received an award of 1,837 RSUs, vesting 25% on each anniversary of the grant date. The remaining 1,377 unvested shares will vest in equal installments on February 20, 2027, February 20, 2028, and February 20, 2029, and shares will be delivered to the reporting person on each such vesting date. [Holding #5] Security: Restricted Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F5] On February 20, 2026, the reporting person received an award of 2,774 RSUs, vesting 25% on each anniversary of the grant date, and shares will be delivered to the reporting person on each such vesting date. [F5] On February 20, 2026, the reporting person received an award of 2,774 RSUs, vesting 25% on each anniversary of the grant date, and shares will be delivered to the reporting person on each such vesting date. [Holding #6] Security: Market Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F6] Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2025. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). [F6] Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2025. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). [Holding #7] Security: Market Stock Units Ownership: D (Direct) Footnotes: [F2] Represents par value of ALGN common stock. [F7] Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2026. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). [F7] Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2026. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). --- Footnotes (Complete Index) --- F1: On February 20, 2023, the reporting person received an award of 906 restricted stock units ("RSUs"), vesting 25% on each anniversary of the grant date. The remaining 226 unvested shares will vest in full on February 20, 2027, and shares will be delivered to the reporting person on such vesting date. F2: Represents par value of ALGN common stock. F3: On February 20, 2024, the reporting person received an award of 905 RSUs, vesting 25% on each anniversary of the grant date. The remaining 452 unvested shares will vest in equal installments on February 20, 2027 and February 20, 2028, and shares will be delivered to the reporting person on each such vesting date. F4: On February 20, 2025, the reporting person received an award of 1,837 RSUs, vesting 25% on each anniversary of the grant date. The remaining 1,377 unvested shares will vest in equal installments on February 20, 2027, February 20, 2028, and February 20, 2029, and shares will be delivered to the reporting person on each such vesting date. F5: On February 20, 2026, the reporting person received an award of 2,774 RSUs, vesting 25% on each anniversary of the grant date, and shares will be delivered to the reporting person on each such vesting date. F6: Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2025. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). F7: Represents the number of shares which may be issued at target pursuant to the market stock units granted on February 20, 2026. 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 units occurs on the last day of the third year of the Performance Period (as defined in the market stock unit agreement). --- Signature --- /s/ /s/Julie Ann Coletti, Attorney-in-Fact for Jitse Marree (2026-05-11)