Applied Optoelectronics, Inc. (AAOI) Insider Ownership

Historic Insider Ownership Trends

AAOI's three largest insider shareholders as of April 22, 2026 are Chih-Hsiang (Thompson) Lin (President And Ceo, 1.71Mn shares), Chih-Hsiang (Thompson) Lin (President And Ceo, 1.71Mn shares), Chih-Hsiang (Thompson) Lin (President And Ceo, 1.66Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Chih-Hsiang (Thompson) Lin President And Ceo 1,705,277 0 11 Feb, 2026
Chih-Hsiang (Thompson) Lin President And Ceo 1,705,277 0 11 Feb, 2026
Chih-Hsiang (Thompson) Lin President And Ceo 1,688,605 0 24 Apr, 2026
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,661,165 15 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,661,165 15 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,661,165 15 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,655,415 14 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,655,415 14 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 0 1,655,415 14 Aug, 2025
Chih-Hsiang (Thompson) Lin President And Ceo 983,087 0 26 Jan, 2022
Chih-Hsiang (Thompson) Lin President And Ceo 983,087 0 26 Jan, 2022
Chih-Hsiang (Thompson) Lin President And Ceo 983,087 0 26 Jan, 2022
Shu-Hua (Joshua) Yeh - 317,342 0 24 Apr, 2026
Stefan J. Murry Chief Financial Officer 270,126 0 24 Apr, 2026
Che-Wei Lin - 253,506 0 15 Aug, 2025
Che-Wei Lin - 253,506 0 15 Aug, 2025
Che-Wei Lin - 253,506 0 15 Aug, 2025
William H Yeh - 238,819 0 10 Mar, 2026
William H Yeh - 238,819 0 10 Mar, 2026
William H Yeh - 238,819 0 10 Mar, 2026
Hung-Lun (Fred) Chang - 233,618 0 18 Mar, 2026
Hung-Lun (Fred) Chang - 233,618 0 18 Mar, 2026
Hung-Lun (Fred) Chang - 228,478 0 24 Apr, 2026
Shu-Hua (Joshua) Yeh - 223,445 0 26 Jan, 2022
Min-Chu (Mike) Chen - 169,300 20,000 10 Mar, 2026
Min-Chu (Mike) Chen - 169,300 20,000 10 Mar, 2026
Min-Chu (Mike) Chen - 169,300 20,000 10 Mar, 2026
Richard B Black - 170,094 0 17 Jun, 2025
Stefan J. Murry Chief Financial Officer 164,618 0 26 Jan, 2022
Richard B Black - 0 164,363 05 Mar, 2026
Cynthia Delaney - 116,222 0 05 Mar, 2026
Cynthia Delaney - 116,222 0 05 Mar, 2026
Cynthia Delaney - 116,222 0 05 Mar, 2026
David C Kuo General Counsel And Secretary 92,115 0 26 Jan, 2022
David C Kuo General Counsel And Secretary 79,078 0 24 Apr, 2026
Elizabeth G Loboa - 20,523 0 05 Mar, 2026
Elizabeth G Loboa - 20,523 0 05 Mar, 2026
Elizabeth G Loboa - 20,523 0 05 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
22 Apr, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value D 2,940 $150.57 230,678 D F
22 Apr, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value D 2,553 $150.57 319,498 D F
22 Apr, 2026 Stefan J. Murry Common Stock, $.001 par value D 3,266 $150.57 272,804 D F
22 Apr, 2026 David C Kuo Common Stock, $.001 par value D 2,053 $150.57 80,610 D F
22 Apr, 2026 Chih-Hsiang (Thompson) Lin Common Stock, $.001 par value D 9,331 $150.57 1,695,946 D F
22 Apr, 2026 David C Kuo Common Stock, $.001 par value D 518 $150.57 80,092 D F
22 Apr, 2026 Chih-Hsiang (Thompson) Lin Common Stock, $.001 par value D 2,486 $150.57 1,693,460 D F
22 Apr, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value D 673 $150.57 230,005 D F
22 Apr, 2026 Stefan J. Murry Common Stock, $.001 par value D 746 $150.57 272,058 D F
22 Apr, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value D 609 $150.57 318,889 D F
22 Apr, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value D 861 $150.57 318,028 D F
22 Apr, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value D 850 $150.57 229,155 D F
22 Apr, 2026 Chih-Hsiang (Thompson) Lin Common Stock, $.001 par value D 2,690 $150.57 1,690,770 D F
22 Apr, 2026 Stefan J. Murry Common Stock, $.001 par value D 1,086 $150.57 270,972 D F
22 Apr, 2026 David C Kuo Common Stock, $.001 par value D 567 $150.57 79,525 D F
22 Apr, 2026 Shu-Hua (Joshua) Yeh Common Stock, $.001 par value D 686 $150.57 317,342 D F
22 Apr, 2026 Stefan J. Murry Common Stock, $.001 par value D 846 $150.57 270,126 D F
22 Apr, 2026 David C Kuo Common Stock, $.001 par value D 447 $150.57 79,078 D F
22 Apr, 2026 Hung-Lun (Fred) Chang Common Stock, $.001 par value D 677 $150.57 228,478 D F
22 Apr, 2026 Chih-Hsiang (Thompson) Lin Common Stock, $.001 par value D 2,165 $150.57 1,688,605 D F