AAOI
APPLIED OPTOELECTRONICS, INC.
Latest Form 4:Sale$886KbyYeh Shu-Hua (Joshua) (*** See Remarks) · filed Aug 20, 2026
APPLIED OPTOELECTRONICS, INC. (AAOI) has 74 SEC Form 4 filings (163 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Aug 20, 2026.
Inside the rolling window, 10 insiders at APPLIED OPTOELECTRONICS, INC. reported no open-market purchases and 46 open-market sales totaling $120.5M. The most active filer is Chief Financial Officer Murry Stefan J. with 15 filings. Insiders have net sold $117.2M over the trailing 6 months. The most recent open-market filing is a sale of 6,000 shares by *** See Remarks Yeh Shu-Hua (Joshua), dated Aug 18, 2026, worth $886K.
- Industry:Communication Equipment
- CEO:Chih-Hsiang Lin
- Employees:4,691
- HQ:Sugar Land, TX, US
- IPO:2013-09-26
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$120.5M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Market Cap
$8.7B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| *** See Remarks | Sale | 6,000 | $886K | Aug 20 | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $579K | Aug 12 | SEC ↗ | |
| *** See Remarks | Sale | 4,715 | $596K | Aug 4 | SEC ↗ | |
| *** See Remarks | Sale | 1,285 | $154K | Jul 23 | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $488K | Jul 14 | SEC ↗ | |
| *** See Remarks | Sale | 40,329 | $6.9M | Jun 18 | 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 ↗ | |
| Chief Financial Officer | Sale | 33,000 | $5.7M | May 19 | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $638K | May 13 | SEC ↗ | |
| Chief Financial Officer | Sale | 4,000 | $546K | Apr 14 | SEC ↗ | |
| *** See Remarks | Sale | 29,000 | $2.9M | Mar 23 | SEC ↗ | |
Chang Hung-Lun (Fred)First filing | *** See Remarks | Sale | 36,400 | $3.6M | Mar 18 | SEC ↗ |
Chen Min-Chu (Mike)First filing | Director | Sale | 2,500 | $243K | Mar 10 | SEC ↗ |
Chen Min-Chu (Mike)First filing | Director | Sale | 8,835 | $961K | Mar 10 | SEC ↗ |
Yeh William HFirst filing | Director | Sale | 15,000 | $1.6M | Mar 10 | SEC ↗ |
Yeh Shu-Hua (Joshua)First filing | *** See Remarks | Sale | 50,000 | $4.9M | Mar 10 | SEC ↗ |
| Chief Financial Officer | Sale | 4,000 | $451K | Mar 10 | SEC ↗ | |
DeLaney CynthiaFirst filing | Director | Sale | 21,000 | $2.1M | Mar 5 | SEC ↗ |
| Director | Sale | 102,347 | $9.8M | Mar 5 | SEC ↗ | |
BLACK RICHARD BFirst filing | Director | Sale | 3,231 | $307K | Mar 5 | SEC ↗ |
| Chief Financial Officer | Sale | 5,980 | $300K | Feb 24 | SEC ↗ | |
| Chief Financial Officer | Sale | 6,327 | $311K | Feb 11 | SEC ↗ | |
| Chief Financial Officer | Sale | 11,693 | $588K | Feb 11 | SEC ↗ | |
| *** See Remarks | Sale | 2,533 | $127K | Feb 11 | SEC ↗ | |
| *** See Remarks | Sale | 17,467 | $876K | Feb 11 | SEC ↗ | |
| *** See Remarks | Sale | 12,000 | $541K | Jan 30 | SEC ↗ | |
| Chief Financial Officer | Sale | 66 | $2K | Jan 20 | SEC ↗ | |
| Chief Financial Officer | Sale | 3,000 | $101K | Jan 14 | SEC ↗ | |
| Chief Financial Officer | Sale | 934 | $33K | Jan 14 | SEC ↗ | |
Kuo David CFirst filing | *** See Remarks | Sale | 12,500 | $502K | Dec 29 | SEC ↗ |
Loboa Elizabeth GFirst filing | Director | Sale | 4,121 | $125K | Dec 17 | SEC ↗ |
Murry Stefan J.First filing | Chief Financial Officer | Sale | 4,000 | $126K | Dec 12 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does AAOI have?
APPLIED OPTOELECTRONICS, INC. (AAOI) has 74 SEC Form 4 filings (163 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Aug 20, 2026.
When was the most recent SEC Form 4 filing for AAOI?
The most recent Form 4 filing for AAOI on Tracefour is dated Aug 20, 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 15 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 $117.2M 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 $120.5M 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.