Company: AAOI
Filing Date: 2025-04-28
Form Type: DEF 14A
Source: 0001104659-25-040212
Chunk: 3

Company: APPLIED OPTOELECTRONICS, INC.
Filing Date: 2025-04-28
Form: DEF 14A
Chunk 3
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 Compliance Officer and Corporate Secretary April 28, 2025

TABLE OF CONTENTS

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JUNE 12, 2025: The Notice of 2025 Annual Meeting of Stockholders, Proxy Statement and the 2024 Annual Report on Form 10-K are available at www.proxyvote.com. Attending the Annual Meeting The Annual Meeting will be held at 13139 Jess Pirtle Blvd., Sugar Land, TX 77478. • Doors open at 9:00 a.m. Central Time. • Meeting starts at 9:30 a.m. Central Time. • Attendance at the Annual Meeting is limited to our stockholders, their proxyholders, and guests of the Company. Proof of Company stock ownership and photo identification is required to attend the Annual Meeting. • The use of cameras or other audio or video recording devices is not allowed. Questions

| For Questions Regarding:                                 | ​ | ​ | Contact:                                                          | ​ |
| Annual Meeting                                           | ​ | ​ | Applied Optoelectronics, Inc. Investor Relations at IR@ao-inc.com | ​ |
| Stock ownership for registered holders submit your proxy | ​ | ​ | Continental Stock Transfer & Trust Company at (800) 509-5586      
 (within the U.S. and Canada) or (212) 509-4000 (worldwide)        
 or at cstmail@continentalstock.com                                | ​ |
| Stock ownership or voting for beneficial holders         | ​ | ​ | Please contact your bank, broker, or other nominee                | ​ |
| Voting for registered holders                            | ​ | ​ | Applied Optoelectronics, Inc. Investor Relations at IR@ao-inc.com | ​ |

TABLE OF CONTENTS

Applied Optoelectronics, Inc.
Table of Contents

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 NOTICE OF 2025 ANNUAL MEETING OF STOCKHOLDERS                                                                                                                          
 PROXY STATEMENT FOR ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ONJUNE 12, 2025                                                                                          | ​ 
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