Applied Optoelectronics, Inc. (AAOI) Insider Trading
Over the last 3 months, AAOI insiders made 0 open-market buys and 15 sales, a net sale of -$59.5M (SEC Form 4). Over the last 6 months, 212 institutions increased and 127 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
15
Net (3m)
-$59.5M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +100.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Chen Min-Chu (Mike)director | Sell | 8,247 | $201.00 |
| May 28, 2026 | DeLaney Cynthiadirector | Sell | 56,575 | $189.23 |
| May 19, 2026 | Murry Stefan J.officer: Chief Financial Officer | Tax | 30,330 | $190.36 |
| May 19, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Grant | 711,743 | — |
| May 19, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Tax | 86,655 | $190.36 |
| May 19, 2026 | Kuo David Cofficer: *** See Remarks | Sell | 19,227 | $173.26 |
| May 19, 2026 | Chang Hung-Lun (Fred)officer: *** See Remarks | Grant | 224,199 | — |
| May 19, 2026 | Murry Stefan J.officer: Chief Financial Officer | Grant | 249,110 | — |
| May 19, 2026 | Murry Stefan J.officer: Chief Financial Officer | Sell | 33,000 | $173.26 |
| May 19, 2026 | Kuo David Cofficer: *** See Remarks | Grant | 156,583 | — |
| May 19, 2026 | Chang Hung-Lun (Fred)officer: *** See Remarks | Tax | 27,297 | $190.36 |
| May 19, 2026 | Yeh Shu-Hua (Joshua)officer: *** See Remarks | Sell | 39,154 | $173.26 |
| May 19, 2026 | Yeh Shu-Hua (Joshua)officer: *** See Remarks | Grant | 192,170 | — |
| May 19, 2026 | Yeh Shu-Hua (Joshua)officer: *** See Remarks | Tax | 7,928 | $190.36 |
| May 19, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Sell | 58,000 | $173.26 |
| May 19, 2026 | Kuo David Cofficer: *** See Remarks | Tax | 19,064 | $190.36 |
| May 19, 2026 | Chang Hung-Lun (Fred)officer: *** See Remarks | Sell | 33,630 | $173.26 |
| May 13, 2026 | Murry Stefan J.officer: Chief Financial Officer | Sell | 4,000 | $159.53 |
| Apr 24, 2026 | Kuo David Cofficer: *** See Remarks | Tax | 2,053 | $150.57 |
| Apr 24, 2026 | Chang Hung-Lun (Fred)officer: *** See Remarks | Tax | 677 | $150.57 |
| Apr 24, 2026 | Yeh Shu-Hua (Joshua)officer: *** See Remarks | Tax | 609 | $150.57 |
| Apr 24, 2026 | Murry Stefan J.officer: Chief Financial Officer | Tax | 3,266 | $150.57 |
| Apr 24, 2026 | Yeh Shu-Hua (Joshua)officer: *** See Remarks | Tax | 861 | $150.57 |
| Apr 24, 2026 | Kuo David Cofficer: *** See Remarks | Tax | 567 | $150.57 |
| Apr 24, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Tax | 2,165 | $150.57 |
| Apr 24, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Tax | 2,690 | $150.57 |
| Apr 24, 2026 | Chang Hung-Lun (Fred)officer: *** See Remarks | Tax | 850 | $150.57 |
| Apr 24, 2026 | Kuo David Cofficer: *** See Remarks | Tax | 518 | $150.57 |
| Apr 24, 2026 | Lin Chih-Hsiang (Thompson)director, officer: President and CEO | Tax | 9,331 | $150.57 |
| Apr 24, 2026 | Murry Stefan J.officer: Chief Financial Officer | Tax | 846 | $150.57 |
Source: AAOI SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their AAOI positions over the last 6 months (SEC Form 13F).
Increased
212
New positions
242
Reduced
127
Sold out
49
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 7.2M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 5.3M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 5.0M | Jan 29, 2026 |
| INVESCO LTD. | Increased | 3.5M | Feb 19, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.1M | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 2.4M | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 2.4M | Feb 17, 2026 |
| OBERWEIS ASSET MANAGEMENT INC/ | Increased | 2.3M | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 2.3M | May 12, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 2.2M | Feb 17, 2026 |
| D. E. SHAW & CO., INC. | Increased | 2.1M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 2.1M | May 15, 2026 |
| OBERWEIS ASSET MANAGEMENT INC/ | Increased | 2.0M | Feb 17, 2026 |
| INVESCO LTD. | Reduced | 2.0M | May 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1.8M | May 8, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.