Company: ALGN
Filing Date: 2025-03-27
Form Type: PRE 14A
Source: 0001097149-25-000016
Chunk: 0

Company: ALIGN TECHNOLOGY INC
Filing Date: 2025-03-27
Form: PRE 14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A INFORMATION
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )</div>

Filed by the Registrant ý

Filed by a party other than the Registrant ¨

Check the appropriate box:

#### ☒

#### Preliminary Proxy Statement
¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

¨ Definitive Additional Materials

¨ Soliciting Material under § 240.14a-12

<div align='center'>ALIGN TECHNOLOGY, INC.</div>

<div align='center'>(Name of Registrant as Specified In Its Charter)</div>

<div align='center'>(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check all boxes that apply):

ý No fee required

¨ Fee paid previously with preliminary materials

¨ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

<div align='center'>PRELIMINARY PROXY STATEMENT – SUBJECT TO COMPLETION</div>

| TABLE OF CONTENTS                                                            |     |     |
| LETTER TO OUR STOCKHOLDERS                                                   |     |  iv |
| NOTICE OF 2025 ANNUAL MEETING OF STOCKHOLDERS                                |     | vii |
| PROXY STATEMENT SUMMARY                                                      |     |   1 |
| Voting Roadmap                                                               |     |   2 |
| Our Business                                                                 |     |   3 |
| 2024Performance Highlights                                                   |     |   3 |
| Governance Highlights                                                        |     |   6 |
| Director Highlights                                                          |     |   7 |
| Fiscal Year 2024Executive Compensation Highlights                            |     |   8 |
| CORPORATE GOVERNANCE                                                         |     |  10 |
| StrongCorporate Governance Policies and Practices                            |     |  11 |
| Key Policies                                                                 |     |  12 |
| Board Structure and Independence                                             |     |  13 |
| Role of Our Board                                                            |     |  13 |
| BoardRisk Oversight                                                          |     |  13 |
| Risk Oversight Program                                                       |