Changes in Beneficial Ownership · 4
Applied Optoelectronics, Inc.
AAOINASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
ownership.xml
Filing details
- Report period
- 2026-09-08
- Issuer
- APPLIED OPTOELECTRONICS, INC.
- Issuer CIK
- 0001158114
- Trading symbol
- AAOI
Reporting owner 1
- Name
- Chang Hung-Lun (Fred)
- Reporting owner CIK
- 0001587462
- Relationship
- Officer
- Officer title
- *** See Remarks
- Address
- C/O APPLIED OPTOELECTRONICS, INC., 13139 JESS PIRTLE BLVD., SUGAR LAND, TX, 77478
Non-derivative transactions
| Security | Transaction date | Code | Amount | A / D | Price (USD) | Owned after | Ownership |
|---|---|---|---|---|---|---|---|
| Common Stock, $.001 par value | 2026-09-08 | S · Form 4 | 32,172[F1] | D | 110.21 | 249,276 | D |
Table key
- S · Form 4
- Sale on the market or privately
- D
- Direct
Footnotes
- F1
- The shares were sold in multiple transactions on September 8, 2026 at actual sale prices ranging from $110.00 to $110.76 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold during each transaction.↩ 1
Remarks
*** Senior Vice President and North America General Manager
Signature 1
- Signed
- /s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang
- Date
- 2026-09-10
Company context
Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and Hybrid Fiber-Coax (HFC) networking products that are the building blocks for AI datacenters, CATV and broadband fiber access networks around the world. AOI supplies this critical infrastructure to tier-one customers across cloud computing, CATV broadband, telecom, and FTTH markets. The company has R&D facilities in Atlanta, GA, and engineering and manufacturing facilities at its corporate headquarters in Sugar Land, TX, as well as in Taipei, Taiwan and Ningbo, China. For additional information, visit www.ao-inc.com. # # #
Current securities
Recent company filings
- SCHEDULE 13G/A - filed by BlackRock, Inc. regarding APPLIED OPTOELECTRONICS, INC.Oct 27, 2026
- 4 filingSep 17, 2026
- Entry into a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementSep 15, 2026
- 4 filingSep 10, 2026
- Entry into a Material Definitive AgreementSep 10, 2026