AAOI
APPLIED OPTOELECTRONICS, INC. · Technology · Market cap $6.5B
Insiders sold $7.3M net in the last 90 days ·3 sellers, 0 buyers· 7 of 8 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 14, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$125.6M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 14, 2026
Murry Stefan J.
APPLIED OPTOELECTRONICS, INC. (AAOI) has 79 SEC Form 4 filings (168 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 14, 2026.
Inside the rolling window, 10 insiders at APPLIED OPTOELECTRONICS, INC. reported no open-market purchases and 50 open-market sales totaling $125.6M. The most active filer is Chief Financial Officer Murry Stefan J. with 17 filings. Insiders have net sold $94.6M over the trailing 6 months. The most recent open-market filing is a sale of 4,000 shares by Chief Financial Officer Murry Stefan J., dated Oct 12, 2026, worth $411K.
- Industry:Communication Equipment
- CEO:Chih-Hsiang Lin
- Employees:4,691
- HQ:Sugar Land, TX, US
- IPO:2013-09-26
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Financial Officer | Sale | 4,000 | $411K | Oct 14 | -10.3% | SEC ↗ | |
| *** See Remarks | Sale | 6,000 | $720K | Oct 7 | -36.9% | SEC ↗ | |
| *** See Remarks | Sale | 32,172 | $3.5M | Sep 10 | -25.1% | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $421K | Sep 10 | -25.1% | SEC ↗ | |
| *** See Remarks | Sale | 6,000 | $886K | Aug 20 | -40.1% | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $579K | Aug 12 | -44.0% | SEC ↗ | |
| *** See Remarks | Sale | 4,715 | $596K | Aug 4 | -41.3% | SEC ↗ | |
| *** See Remarks | Sale | 1,285 | $154K | Jul 23 | -31.0% | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $488K | Jul 14 | -38.4% | SEC ↗ | |
| *** See Remarks | Sale | 40,329 | $6.9M | Jun 18 | -52.2% | SEC ↗ | |
| *** See Remarks | Sale | 6,000 | $1.0M | Jun 18 | — | SEC ↗ | |
| *** See Remarks | Sale | 28,826 | $4.8M | Jun 16 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 33,000 | $5.5M | Jun 16 | — | SEC ↗ | |
| President and CEO | Sale | 59,000 | $9.8M | Jun 16 | — | SEC ↗ | |
| *** See Remarks | Sale | 29,227 | $4.9M | Jun 16 | — | SEC ↗ | |
| *** See Remarks | Sale | 34,000 | $5.7M | Jun 16 | — | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $686K | Jun 11 | — | SEC ↗ | |
| *** See Remarks | Sale | 10,000 | $2.1M | Jun 8 | — | SEC ↗ | |
| *** See Remarks | Sale | 4,000 | $800K | Jun 8 | — | SEC ↗ | |
| Director | Sale | 8,247 | $1.7M | Jun 4 | — | SEC ↗ | |
| Director | Sale | 56,575 | $10.7M | May 28 | — | SEC ↗ | |
| *** See Remarks | Sale | 39,154 | $6.8M | May 19 | — | SEC ↗ | |
| *** See Remarks | Sale | 33,630 | $5.8M | May 19 | — | SEC ↗ | |
Lin Chih-Hsiang (Thompson)First filing | President and CEO | Sale | 58,000 | $10.0M | May 19 | — | SEC ↗ |
| *** See Remarks | Sale | 19,227 | $3.3M | May 19 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does AAOI have?
APPLIED OPTOELECTRONICS, INC. (AAOI) has 79 SEC Form 4 filings (168 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 14, 2026.
When was the most recent SEC Form 4 filing for AAOI?
The most recent Form 4 filing for AAOI on Tracefour is dated Oct 14, 2026.
Who is the most active insider at AAOI?
The most active SEC Form 4 filer at AAOI in the rolling window is Chief Financial Officer Murry Stefan J., with 17 filings.
What is the net insider flow at AAOI over the last 6 months?
Over the trailing 180 days, insiders at AAOI have net sold $94.6M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at AAOI in the current window?
Inside the rolling window, insiders at AAOI bought $0 and sold $125.6M based on SEC Form 4 filings.
Can I get alerts for AAOI insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at APPLIED OPTOELECTRONICS, INC. (AAOI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
APPLIED OPTOELECTRONICS, INC. is in the Technology sector.