Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 677 | 52,346 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 850 | 65,722 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 674 | 52,114 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 2,940 | 227,321 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 10/22/2026 | Steuer-Abgabe | 77.32 | 846 | 65,413 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 10/22/2026 | Steuer-Abgabe | 77.32 | 1,086 | 83,970 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 10/22/2026 | Steuer-Abgabe | 77.32 | 746 | 57,681 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 10/22/2026 | Steuer-Abgabe | 77.32 | 3,267 | 252,604 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 447 | 34,562 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 567 | 43,840 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 519 | 40,129 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 2,053 | 158,738 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 323 | 24,974 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 406 | 31,392 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 287 | 22,191 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 10/22/2026 | Steuer-Abgabe | 77.32 | 1,202 | 92,939 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 10/22/2026 | Steuer-Abgabe | 77.32 | 2,165 | 167,398 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 10/22/2026 | Steuer-Abgabe | 77.32 | 2,691 | 208,068 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 10/22/2026 | Steuer-Abgabe | 77.32 | 2,486 | 192,218 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 10/22/2026 | Steuer-Abgabe | 77.32 | 9,331 | 721,473 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 10/12/2026 | Verkauf | 102.87 | 4,000 | 411,480 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 10/05/2026 | Verkauf | 120.03 | 6,000 | 720,180 | Form 4 |
| AAOI | Black Richard B | Director | 09/15/2026 | Schenkung | — | 2,200 | — | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 09/10/2026 | Verkauf | 105.33 | 4,000 | 421,320 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 09/08/2026 | Verkauf | 110.21 | 32,172 | 3,545,676 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 08/18/2026 | Verkauf | 147.73 | 6,000 | 886,380 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 08/10/2026 | Verkauf | 144.79 | 4,000 | 579,160 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 08/04/2026 | Verkauf | 126.50 | 4,715 | 596,448 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 07/31/2026 | Zuteilung | — | 9,251 | — | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 407 | 48,539 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 516 | 61,538 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 472 | 56,291 | Form 4 |
| AAOI | Kuo David C | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 1,869 | 222,897 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 07/22/2026 | Steuer-Abgabe | 119.26 | 770 | 91,830 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 07/22/2026 | Steuer-Abgabe | 119.26 | 988 | 117,829 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 07/22/2026 | Steuer-Abgabe | 119.26 | 679 | 80,978 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,971 | 354,321 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 616 | 73,464 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 773 | 92,188 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 613 | 73,106 | Form 4 |
| AAOI | Chang Hung-Lun (Fred) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,674 | 318,901 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,031 | 242,217 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,524 | 301,012 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,332 | 278,114 | Form 4 |
| AAOI | Lin Chih-Hsiang (Thompson) | President and CEO | 07/22/2026 | Steuer-Abgabe | 119.26 | 8,753 | 1,043,883 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 686 | 81,812 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 861 | 102,683 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 609 | 72,629 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 07/22/2026 | Steuer-Abgabe | 119.26 | 2,553 | 304,471 | Form 4 |
| AAOI | Yeh Shu-Hua (Joshua) | *** See Remarks | 07/21/2026 | Verkauf | 120.02 | 1,285 | 154,226 | Form 4 |
| AAOI | Murry Stefan J. | Chief Financial Officer | 07/10/2026 | Verkauf | 122.09 | 4,000 | 488,360 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).