0001683168-26-003186.txt : 20260424 0001683168-26-003186.hdr.sgml : 20260424 20260424160216 ACCESSION NUMBER: 0001683168-26-003186 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260422 FILED AS OF DATE: 20260424 DATE AS OF CHANGE: 20260424 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chang Hung-Lun (Fred) CENTRAL INDEX KEY: 0001587462 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36083 FILM NUMBER: 26893477 MAIL ADDRESS: STREET 1: 13139 JESS PIRTLE BLVD. CITY: SUGAR LAND STATE: TX ZIP: 77478 FORMER NAME: FORMER CONFORMED NAME: Chang Hung-Lun Fred DATE OF NAME CHANGE: 20130923 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: APPLIED OPTOELECTRONICS, INC. CENTRAL INDEX KEY: 0001158114 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] ORGANIZATION NAME: 04 Manufacturing EIN: 760533927 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 13139 JESS PIRTLE BLVD CITY: SUGAR LAND STATE: TX ZIP: 77478 BUSINESS PHONE: 281-295-1800 MAIL ADDRESS: STREET 1: 13139 JESS PIRTLE BLVD CITY: SUGAR LAND STATE: TX ZIP: 77478 FORMER COMPANY: FORMER CONFORMED NAME: APPLIED OPTOELECTRONICS INC DATE OF NAME CHANGE: 20010824 4 1 ownership.xml X0609 4 2026-04-22 0 0001158114 APPLIED OPTOELECTRONICS, INC. AAOI 0001587462 Chang Hung-Lun (Fred) false C/O APPLIED OPTOELECTRONICS, INC. 13139 JESS PIRTLE BLVD. SUGAR LAND TX 77478 0 1 0 0 *** See Remarks 0 Common Stock, $.001 par value 2026-04-22 4 F 0 2940 150.57 D 230678 D Common Stock, $.001 par value 2026-04-22 4 F 0 673 150.57 D 230005 D Common Stock, $.001 par value 2026-04-22 4 F 0 850 150.57 D 229155 D Common Stock, $.001 par value 2026-04-22 4 F 0 677 150.57 D 228478 D Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on June 26, 2023. Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 29, 2024. Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on April 11, 2025. Reflects shares surrendered to the Issuer to satisfy tax-withholding obligations upon the vesting of restricted stock unit award granted on February 9, 2026. *** Senior Vice President and North America General Manager. /s/ David C. Kuo, attorney in fact for Hung-Lun (Fred) Chang 2026-04-24