🕵️ Applied Optoelectronics, Inc. ($AAOI)
SEC insider & ownership activity, last 12 months · CIK 1158114 · every row links its SEC filing
Over the last 12 months insiders sold $124.5M with no open-market buying against it. Chang Hung-Lun (FRED) sold $26.4M (Mar–Sep). No red-flag 8-Ks in the window.
🚨 4 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
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alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 10 sellers, $124.5M (51 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Chang Hung-Lun (FRED) | 0 | – | 6 | $26.4M | Sep 8, 2026 |
| YEH Shu-Hua (JOSHUA) | 0 | – | 9 | $21.2M | Aug 18, 2026 |
| LIN Chih-Hsiang (THOMPSON) | 0 | – | 2 | $19.9M | Jun 12, 2026 |
| Stefan J. Murry | 0 | – | 18 | $16.5M | Sep 10, 2026 |
| David C. Kuo | 0 | – | 7 | $13.1M | Jun 12, 2026 |
| Delaney Cynthia | 0 | – | 2 | $12.8M | May 26, 2026 |
| Elizabeth G. Loboa | 0 | – | 2 | $9.9M | Mar 3, 2026 |
| CHEN Min-Chu (MIKE) | 0 | – | 3 | $2.9M | Jun 2, 2026 |
| William H. Yeh | 0 | – | 1 | $1.6M | Mar 9, 2026 |
| Richard B. Black | 0 | – | 1 | $307K | Mar 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Marex Securities Products Inc. | 5.6% | 13G | May 13, 2026 | filing ↗ | |
| Marex Group PLC | 5.6% | 13G | May 13, 2026 | filing ↗ | |
| BlackRock, Inc. | 5.4% | 13G | Jul 27, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Stefan J. Murry | $421K | Sep 10, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $3.5M | Sep 8, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $886K | Aug 18, 2026 | filing ↗ |
| Stefan J. Murry | $579K | Aug 10, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $596K | Aug 4, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $154K | Jul 21, 2026 | filing ↗ |
| Stefan J. Murry | $492K | Jul 10, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $1.0M | Jun 18, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $6.9M | Jun 17, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $5.0M | Jun 12, 2026 | filing ↗ |
| LIN Chih-Hsiang (THOMPSON) | $10.2M | Jun 12, 2026 | filing ↗ |
| Stefan J. Murry | $5.7M | Jun 12, 2026 | filing ↗ |
| David C. Kuo | $5.0M | Jun 12, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $5.9M | Jun 12, 2026 | filing ↗ |
| Stefan J. Murry | $686K | Jun 10, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $2.6M | Jun 5, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $5.5M | Jun 4, 2026 | filing ↗ |
| DeLaney Cynthia | $10.7M | May 26, 2026 | filing ↗ |
| Stefan J. Murry | $5.7M | May 19, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $6.8M | May 19, 2026 | filing ↗ |
| LIN Chih-Hsiang (THOMPSON) | $10.0M | May 19, 2026 | filing ↗ |
| David C. Kuo | $3.3M | May 19, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $5.8M | May 19, 2026 | filing ↗ |
| CHEN Min-Chu (MIKE) | $3.1M | May 19, 2026 | filing ↗ |
| Stefan J. Murry | $638K | May 11, 2026 | filing ↗ |
| Stefan J. Murry | $546K | Apr 10, 2026 | filing ↗ |
| David C. Kuo | $2.9M | Mar 19, 2026 | filing ↗ |
| Chang Hung-Lun (FRED) | $3.6M | Mar 16, 2026 | filing ↗ |
| Stefan J. Murry | $451K | Mar 10, 2026 | filing ↗ |
| YEH Shu-Hua (JOSHUA) | $4.9M | Mar 9, 2026 | filing ↗ |
| William H. Yeh | $1.6M | Mar 9, 2026 | filing ↗ |
| CHEN Min-Chu (MIKE) | $1.5M | Mar 6, 2026 | filing ↗ |
| Richard B. Black | $307K | Mar 5, 2026 | filing ↗ |
| Cynthia DeLaney | $2.1M | Mar 4, 2026 | filing ↗ |
| Elizabeth G. Loboa | $9.8M | Mar 3, 2026 | filing ↗ |
| David C. Kuo | $876K | Feb 11, 2026 | filing ↗ |
| Stefan J. Murry | $884K | Feb 11, 2026 | filing ↗ |
| Stefan J. Murry | $311K | Feb 10, 2026 | filing ↗ |
| David C. Kuo | $127K | Feb 10, 2026 | filing ↗ |
| David C. Kuo | $541K | Jan 28, 2026 | filing ↗ |
| Stefan J. Murry | $35K | Jan 13, 2026 | filing ↗ |
| Stefan J. Murry | $101K | Jan 12, 2026 | filing ↗ |
| David C. Kuo | $502K | Dec 23, 2025 | filing ↗ |
| Elizabeth G. Loboa | $124K | Dec 15, 2025 | filing ↗ |
| Stefan J. Murry | $126K | Dec 10, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Sep 10, 2026 | filing ↗ |
| New financial obligation (2.03) | Sep 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 10, 2026 | filing ↗ |
| Material agreement (1.01) | Sep 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 4, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 31, 2026 | filing ↗ |
| New financial obligation (2.03) | Aug 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 31, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 21, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | Aug 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 18, 2026 | filing ↗ |
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 25, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 11, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Material agreement (1.01) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Material agreement (1.01) | May 8, 2026 | filing ↗ |
| New financial obligation (2.03) | May 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 8, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |