144 0001587600 XXXXXXXX LIVE 0001158114 APPLIED OPTOELECTRONICS, INC. 001-36083 13139 JESS PIRTLE BLVD SUGAR LAND TX 77478 281-295-1800 Yeh Shu-Hua (Joshua) Officer Common Raymond James and Associates Inc.

880 Carillon Parkway St. Petersburg FL 33716

6000 886396.20 84569237 08/18/2026 Nasdaq Common 04/24/2023 RSU iSSUER N 1368 04/24/2023 NA Common 07/25/2023 RSU Issuer N 4632 07/25/2023 NA N Shu-Hua Yeh

4F No 111 Ln 20 Src 2 Zhiyu Rd Tapei City F5 111

Common 06/06/2026 10000 2050770.00 Shu-Hua Yeh

4F No 111 Ln 20 Src 2 Zhiyu Rd Tapei City, F5 111

Common 06/18/2026 6000 1031280.00 Shu-Hua Yeh

4F No 111 Ln 20 Src 2 Zhiyu Rd, Tapei City, F5 111

Common 07/21/2026 1285 154238.00 Shu-Hua Yeh

4F No 111 Ln 20 Src 2 Zhiyu Rd Tapei City F5 111

Common 08/04/2026 4715 596430.00 08/18/2026 03/19/2026 Rashida Mitchell, as duly authorized representative of Raymond James & Associates, Inc., as attorney-in-fact for Shu-Hua Yeh