AAOI insider trading — Applied Optoelectronics, Inc.
Over the last 90 days, insiders at Applied Optoelectronics, Inc. (AAOI) made 0 open-market purchases worth $0 and 1 open-market sale worth $3.55M, making them net sellers by $3.55M. The largest sale was by Chang Hung-Lun (Fred) (*** See Remarks), who sold 32,172 shares for $3.55M on Sep 8, 2026.
Updated Oct 16, 2026.
Recent AAOI insider transactions
Every Form 4 filed by Applied Optoelectronics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 12, 2026 | Murry Stefan J. | Chief Financial Officer | S · Sale · 10b5-1 | Direct | 4,000 | $102.87 | $411K | Form 4 |
| Oct 5, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S · Sale · 10b5-1 | Direct | 6,000 | $120.03 | $720K | Form 4 |
| Sep 15, 2026 | Black Richard B | Director | G · Gift | Indirect | 2,200 | — | — | Form 4 |
| Sep 10, 2026 | Murry Stefan J. | Chief Financial Officer | S · Sale · 10b5-1 | Direct | 4,000 | $105.33 | $421K | Form 4 |
| Sep 8, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | S · Sale | Direct | 32,172 | $110.21 | $3.55M | Form 4 |
| Aug 18, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S · Sale · 10b5-1 | Direct | 6,000 | $147.73 | $886K | Form 4 |
| Aug 10, 2026 | Murry Stefan J. | Chief Financial Officer | S · Sale · 10b5-1 | Direct | 4,000 | $144.79 | $579K | Form 4 |
| Aug 4, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S · Sale · 10b5-1 | Direct | 4,715 | $126.50 | $596K | Form 4 |
| Jul 31, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | A · Grant/award | Direct | 9,251 | — | — | Form 4 |
| Jul 22, 2026 | Murry Stefan J. | Chief Financial Officer | F · Tax withholding | Direct | 5,408 | $119.26 | $645K | Form 4 |
| Jul 22, 2026 | Kuo David C | *** See Remarks | F · Tax withholding | Direct | 3,264 | $119.26 | $389K | Form 4 |
| Jul 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | F · Tax withholding | Direct | 15,640 | $119.26 | $1.87M | Form 4 |
| Jul 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | F · Tax withholding | Direct | 4,676 | $119.26 | $558K | Form 4 |
| Jul 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | F · Tax withholding · 10b5-1 | Direct | 4,709 | $119.26 | $562K | Form 4 |
| Jul 21, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | S · Sale · 10b5-1 | Direct | 1,285 | $120.02 | $154K | Form 4 |
AAOI insider trading FAQ
Are insiders buying AAOI stock?
Not on the open market. In the last 90 days, Applied Optoelectronics, Inc. insiders made no open-market purchases, and 1 open-market sale totaling $3.55M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading AAOI?
Recent sellers: Chang Hung-Lun (Fred).
Where does AAOI insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.