Applied Optoelectronics, Inc. (AAOI)
Applied Optoelectronics, Inc. (AAOI) Insider Trading
Directors, officers and holders of more than 10% of AAOI report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 354 transactions on file: 0 with code P, 8 with code S and 42 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 746 | $77.32 | $57,681 |
| Oct 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 3,267 | $77.32 | $252,604 |
| Oct 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 287 | $77.32 | $22,191 |
| Oct 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,486 | $77.32 | $192,218 |
| Oct 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 9,331 | $77.32 | $721,473 |
| Oct 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 2,940 | $77.32 | $227,321 |
| Oct 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 519 | $77.32 | $40,129 |
| Oct 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 1,202 | $77.32 | $92,939 |
| Oct 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 674 | $77.32 | $52,114 |
| Oct 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 1,086 | $77.32 | $83,970 |
| Oct 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 2,053 | $77.32 | $158,738 |
| Oct 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 406 | $77.32 | $31,392 |
| Oct 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 846 | $77.32 | $65,413 |
| Oct 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,691 | $77.32 | $208,068 |
| Oct 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 447 | $77.32 | $34,562 |
| Oct 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 323 | $77.32 | $24,974 |
| Oct 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 677 | $77.32 | $52,346 |
| Oct 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 567 | $77.32 | $43,840 |
| Oct 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 850 | $77.32 | $65,722 |
| Oct 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,165 | $77.32 | $167,398 |
| Oct 12, 2026 | Murry Stefan J. | Chief Financial Officer | S Sale | 4,000 | $102.87 | $411,480 |
| Oct 5, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S Sale | 6,000 | $120.03 | $720,180 |
| Sep 15, 2026 | BLACK RICHARD B | Director | G Gift | 2,200 | Not measured | Not measured |
| Sep 10, 2026 | Murry Stefan J. | Chief Financial Officer | S Sale | 4,000 | $105.33 | $421,320 |
| Sep 8, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | S Sale | 32,172 | $110.21 | $3,545,676 |
| Aug 18, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S Sale | 6,000 | $147.73 | $886,380 |
| Aug 10, 2026 | Murry Stefan J. | Chief Financial Officer | S Sale | 4,000 | $144.79 | $579,160 |
| Aug 4, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S Sale | 4,715 | $126.50 | $596,448 |
| Jul 31, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | A Award | 9,251 | Not measured | Not measured |
| Jul 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,031 | $119.26 | $242,217 |
| Jul 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 1,869 | $119.26 | $222,897 |
| Jul 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 988 | $119.26 | $117,829 |
| Jul 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,332 | $119.26 | $278,114 |
| Jul 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 770 | $119.26 | $91,830 |
| Jul 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 8,753 | $119.26 | $1,043,883 |
| Jul 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F Tax Payment | 2,524 | $119.26 | $301,012 |
| Jul 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 2,553 | $119.26 | $304,471 |
| Jul 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 2,674 | $119.26 | $318,901 |
| Jul 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 613 | $119.26 | $73,106 |
| Jul 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 773 | $119.26 | $92,188 |
| Jul 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 679 | $119.26 | $80,978 |
| Jul 22, 2026 | Murry Stefan J. | Chief Financial Officer | F Tax Payment | 2,971 | $119.26 | $354,321 |
| Jul 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F Tax Payment | 616 | $119.26 | $73,464 |
| Jul 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 407 | $119.26 | $48,539 |
| Jul 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 861 | $119.26 | $102,683 |
| Jul 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 686 | $119.26 | $81,812 |
| Jul 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F Tax Payment | 609 | $119.26 | $72,629 |
| Jul 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 516 | $119.26 | $61,538 |
| Jul 22, 2026 | Kuo David C | *** See Remarks | F Tax Payment | 472 | $119.26 | $56,291 |
| Jul 21, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S Sale | 1,285 | $120.02 | $154,226 |
The full Form 4 history is on the AAOI company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.