Company: ALGN
Filing Date: 2025-08-06
Form Type: S-8
Source: 0001097149-25-000066
Chunk: 2

Company: ALIGN TECHNOLOGY INC
Filing Date: 2025-08-06
Form: S-8
Chunk 2
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 been omitted from this Registration Statement.

# PART II

### INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

## Item 3. Incorporation of Documents by Reference.
The following documents previously filed with the SEC are incorporated by reference into this Registration Statement :

(a) the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, filed with the SEC on February 28, 2025 (the “

#### Annual Report
” ), including the information specifically incorporated by reference into the Annual Report from the Company ’s Definitive Proxy Statement on Schedule 14A, filed with the SEC on April 8, 2025 ;

(b) the Company’s Quarterly Reports on Form 10-Q for the quarter ended March 31, 2025, filed with the SEC on May 8 , 2025 , and for the quarter ended June 30, 2025, filed with the SEC on August 6 , 2025 ;

(c) the Company’s Current Report s on Form 8-K filed with the SEC on May 21, 2025 and July 2, 20 25 ; and

(d) the description of the Common Stock contained in the Company’s Registration Statement on Form 8-A ( File N o. 000-32259 ), filed with the SEC on January 25, 2001, including any amendments or reports filed for the purpose of updating this description, including Exhibit 4.2 to the Annual Report.

All documents subsequently filed by the Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the “

#### Exchange Act
”), prior to the filing of a post-effective amendment which indicates that all securities offered have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference into this Registration Statement and to be a part hereof from the date of filing of such documents; provided , however , that documents or information deemed to have been furnished and not filed in accordance with the rules of the SEC shall not be deemed incorporated by reference into this Registration Statement. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration

Statement to the extent that a statement contained herein or in any other subsequently filed document which also is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement