Company: AAOI
Filing Date: 2025-04-10
Form Type: S-8
Source: 0001104659-25-033793
Chunk: 1

Company: APPLIED OPTOELECTRONICS, INC.
Filing Date: 2025-04-10
Form: S-8
Chunk 1
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 to Section 7(a)(2)(B) of the Securities Act.¨

<div align='center'>PART I

INFORMATION REQUIRED IN THE PROSPECTUS</div>

General Instruction E Information

Pursuant to General Instruction E to Form S-8, this Registration Statement on Form S-8 (the “Registration Statement”) is being filed with the U.S. Securities and Exchange Commission (the “Commission”) for the purpose of increasing the number of securities of the same class as other securities for which certain Registration Statements on Form S-8 relating to the same employee benefit plans are effective. Specifically, this Registration Statement is being filed to register 2,000,000 additional shares of common stock, par value $0.001 per share (the “Common Stock”), of Applied Optoelectronics, Inc. (the “Registrant”) for issuance under the Applied Optoelectronics, Inc. Amended and Restated 2021 Equity Incentive Plan. This Registration Statement hereby incorporates by reference the contents of the Registrant’s Registration Statements on Form S-8 filed with the Commission on June 11, 2021 (File Nos.,
,
,
,
,
and ),
June 17, 2022 (File No. 333-265711), and June 26, 2023 (File No. 333-272928), excluding reports that the Registrant filed with the Commission
that were incorporated into such registration statements to maintain current information about the Registrant, pursuant to General Instruction
E to Form S-8.

<div align='center'>PART II

INFORMATION REQUIRED IN THEREGISTRATION STATEMENT</div>

| Item 3. | Incorporation of Documents by Reference. |

The Registranthereby incorporates by reference into this Registration Statement the following documents previously filed with the
Commission:

| (a) 
 (b) | The Registrant’s                                                                                                       
 Annual Report on Form 10-K for its fiscal year ended December 31, 2024 filed with the Commission on February 28,       
 2025;                                                                                                                  
 The Registrant’s                                                                                                       
 Current Reports on Form 8-K filed with the Commission on February 28,                                                  
 2025, March 13,                                                                                                        
 2025, April 2,                                                                                                         
 2025, April 9, 2025 and April 10, 2025; and                                                                            |
|:----|:-----------------------------------------------------------------------------------------------------------------------|
| (c) | The description of the