AAOI
APPLIED OPTOELECTRONICS, INC.
NASDAQ · Technology · Semiconductors · US
$78.20
+3.48%0
Insider buys (3m)
8
Insider sells (3m)
-$7.3M
Net value (3m)
-23.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 14, 2026 | Murry Stefan J. · officer: Chief Financial Officer | Sale | 4,000 | $103 |
| Oct 7, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | Sale | 6,000 | $120 |
| Sep 10, 2026 | Murry Stefan J. · officer: Chief Financial Officer | Sale | 4,000 | $105 |
| Sep 10, 2026 | Chang Hung-Lun (Fred) · officer: *** See Remarks | Sale | 32,172 | $110 |
| Aug 20, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | Sale | 6,000 | $148 |
| Aug 12, 2026 | Murry Stefan J. · officer: Chief Financial Officer | Sale | 4,000 | $145 |
| Aug 4, 2026 | Lin Chih-Hsiang (Thompson) · director, officer: President and CEO | A-Award | 9,251 | $0.00 |
| Aug 4, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | Sale | 4,715 | $127 |
| Jul 23, 2026 | Chang Hung-Lun (Fred) · officer: *** See Remarks | F-InKind | 616 | $119 |
| Jul 23, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | F-InKind | 2,553 | $119 |
| Jul 23, 2026 | Lin Chih-Hsiang (Thompson) · director, officer: President and CEO | F-InKind | 2,524 | $119 |
| Jul 23, 2026 | Kuo David C · officer: *** See Remarks | F-InKind | 1,869 | $119 |
| Jul 23, 2026 | Murry Stefan J. · officer: Chief Financial Officer | F-InKind | 988 | $119 |
| Jul 23, 2026 | Kuo David C · officer: *** See Remarks | F-InKind | 407 | $119 |
| Jul 23, 2026 | Murry Stefan J. · officer: Chief Financial Officer | F-InKind | 770 | $119 |
| Jul 23, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | Sale | 1,285 | $120 |
| Jul 23, 2026 | Lin Chih-Hsiang (Thompson) · director, officer: President and CEO | F-InKind | 2,031 | $119 |
| Jul 23, 2026 | Murry Stefan J. · officer: Chief Financial Officer | F-InKind | 2,971 | $119 |
| Jul 23, 2026 | Chang Hung-Lun (Fred) · officer: *** See Remarks | F-InKind | 773 | $119 |
| Jul 23, 2026 | Kuo David C · officer: *** See Remarks | F-InKind | 472 | $119 |
| Jul 23, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | F-InKind | 861 | $119 |
| Jul 23, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | F-InKind | 609 | $119 |
| Jul 23, 2026 | Kuo David C · officer: *** See Remarks | F-InKind | 516 | $119 |
| Jul 23, 2026 | Murry Stefan J. · officer: Chief Financial Officer | F-InKind | 679 | $119 |
| Jul 23, 2026 | Yeh Shu-Hua (Joshua) · officer: *** See Remarks | F-InKind | 686 | $119 |
| Jul 23, 2026 | Lin Chih-Hsiang (Thompson) · director, officer: President and CEO | F-InKind | 8,753 | $119 |
| Jul 23, 2026 | Chang Hung-Lun (Fred) · officer: *** See Remarks | F-InKind | 2,674 | $119 |
| Jul 23, 2026 | Chang Hung-Lun (Fred) · officer: *** See Remarks | F-InKind | 613 | $119 |
| Jul 23, 2026 | Lin Chih-Hsiang (Thompson) · director, officer: President and CEO | F-InKind | 2,332 | $119 |
| Jul 14, 2026 | Murry Stefan J. · officer: Chief Financial Officer | Sale | 4,000 | $122 |
Institutional positioning
13F filings over the trailing two quarters
New 365Increased 248Reduced 236Sold out 76
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 7,192,329 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 6,450,270 | Aug 7, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 6,042,186 | Aug 14, 2026 |
| Marex Group plc | Increased | 5,710,272 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | Increased | 5,586,418 | May 12, 2026 |
| JANE STREET GROUP, LLC | Reduced | 4,800,657 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 4,121,873 | May 15, 2026 |
| Invesco Ltd. | Increased | 3,414,262 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 3,363,001 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3,061,522 | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 2,899,198 | Sep 2, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,651,718 | Aug 13, 2026 |
| D. E. SHAW & CO., INC. | Increased | 2,630,257 | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 2,491,303 | May 15, 2026 |
| OBERWEIS ASSET MANAGEMENT INC/ | Increased | 2,349,969 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 14, 2026