APPLIED OPTOELECTRONICS, INC. (AAOI)
Data as of , from SEC Form 4 filings.
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About APPLIED OPTOELECTRONICS, INC. (AAOI)
Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.
- SUGAR LAND, TX
- 4,691
- 2013
- Nasdaq
AAOI Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 6 | 56,172 | $6.56M |
| Tax withholding / forfeiture | 20 | 33,563 | |
| Bona-fide gift | 1 | 2,200 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
AAOI insider transactions (Form 4)
66147 Form 4 filings on record, the earliest from Oct 24, 2024, newest first. Filing history page 1 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,940 footnote F1 | $77.32 | $227K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 674 footnote F2 | $77.32 | $52K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 850 footnote F3 | $77.32 | $66K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 677 footnote F4 | $77.32 | $52K | |
| ||||||
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 3,267 footnote F1 | $77.32 | $253K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 746 footnote F2 | $77.32 | $58K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 1,086 footnote F3 | $77.32 | $84K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 846 footnote F4 | $77.32 | $65K | |
| ||||||
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 1,202 footnote F1 | $77.32 | $93K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 287 footnote F2 | $77.32 | $22K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 406 footnote F3 | $77.32 | $31K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 323 footnote F4 | $77.32 | $25K | |
| ||||||
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,053 footnote F1 | $77.32 | $159K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 519 footnote F2 | $77.32 | $40K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 567 footnote F3 | $77.32 | $44K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 447 footnote F4 | $77.32 | $35K | |
| ||||||
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 9,331 footnote F1 | $77.32 | $721K | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,486 footnote F2 | $77.32 | $192K | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,691 footnote F3 | $77.32 | $208K | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,165 footnote F4 | $77.32 | $167K | |
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| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 4,000 footnote F1 | $102.87 | $411K | |
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| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 6,000 footnote F1 | $120.03 | $720K | |
| ||||||
| Richard B. Black - Director | Gift | Common Stock, $.001 par value | 2,200 | $0.00 | - | |
| Hung-Lun (Fred) Chang - Officer | Open-market sale | Common Stock, $.001 par value | 32,172 footnote F1 | $110.21 | $3.55M | |
| ||||||
| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 4,000 footnote F1 | $105.33 | $421K | |
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| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 6,000 footnote F1 | $147.73 | $886K | |
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| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 4,000 footnote F1 | $144.79 | $579K | |
| ||||||
| Chih-Hsiang (Thompson) Lin - Officer | Grant or award | Common Stock, $.001 par value | 9,251 footnote F1 | $0.00 | - | |
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| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 4,715 footnote F1 | $126.50 | $596K | |
| ||||||
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 1,869 footnote F1 | $119.26 | $223K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 472 footnote F2 | $119.26 | $56K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 516 footnote F3 | $119.26 | $62K | |
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 407 footnote F4 | $119.26 | $49K | |
| ||||||
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,971 footnote F1 | $119.26 | $354K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 679 footnote F2 | $119.26 | $81K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 988 footnote F3 | $119.26 | $118K | |
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 770 footnote F4 | $119.26 | $92K | |
| ||||||
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,674 footnote F1 | $119.26 | $319K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 613 footnote F2 | $119.26 | $73K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 773 footnote F3 | $119.26 | $92K | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 616 footnote F4 | $119.26 | $73K | |
| ||||||
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 8,753 footnote F1 | $119.26 | $1.04M | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,332 footnote F2 | $119.26 | $278K | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,524 footnote F3 | $119.26 | $301K | |
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,031 footnote F4 | $119.26 | $242K | |
| ||||||
| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 1,285 footnote F1 | $120.02 | $154K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 2,553 footnote F2 | $119.26 | $304K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 609 footnote F3 | $119.26 | $73K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 861 footnote F4 | $119.26 | $103K | |
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 686 footnote F5 | $119.26 | $82K | |
| ||||||
| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 4,000 footnote F1 | $122.09 | $488K | |
| ||||||
| Hung-Lun (Fred) Chang - Officer | Open-market sale | Common Stock, $.001 par value | 40,329 footnote F1 | $170.60 | $6.88M | |
| ||||||
| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 6,000 footnote F1 | $171.89 | $1.03M | |
| ||||||
| Shu-Hua (Joshua) Yeh - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 23,397 footnote F1 | $172.78 | $4.04M | |
| Shu-Hua (Joshua) Yeh - Officer | Open-market sale | Common Stock, $.001 par value | 28,826 footnote F2 | $166.53 | $4.80M | |
| ||||||
| Stefan J. Murry - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 30,330 footnote F1 | $172.78 | $5.24M | |
| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 33,000 footnote F2 | $166.53 | $5.50M | |
| ||||||
| Chih-Hsiang (Thompson) Lin - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 86,655 footnote F1 | $172.78 | $14.97M | |
| Chih-Hsiang (Thompson) Lin - Officer | Open-market sale | Common Stock, $.001 par value | 59,000 footnote F2 | $166.53 | $9.83M | |
| ||||||
| David C. Kuo - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 19,065 footnote F1 | $172.78 | $3.29M | |
| David C. Kuo - Officer | Open-market sale | Common Stock, $.001 par value | 29,227 footnote F2 | $166.53 | $4.87M | |
| ||||||
| Hung-Lun (Fred) Chang - Officer | Open-market sale | Common Stock, $.001 par value | 34,000 footnote F2 | $166.53 | $5.66M | |
| Hung-Lun (Fred) Chang - Officer | Tax withholding / forfeiture | Common Stock, $.001 par value | 27,297 footnote F1 | $172.78 | $4.72M | |
| ||||||
| William H. Yeh - Director | Grant or award | Common Stock, $.001 par value | 1,166 footnote F1 | $0.00 | - | |
| ||||||
| Stefan J. Murry - Officer | Open-market sale | Common Stock, $.001 par value | 4,000 footnote F1 | $171.45 | $686K | |
| ||||||
| Che-Wei Lin - Director | Grant or award | Common Stock, $.001 par value | 1,166 footnote F1 | $0.00 | - | |
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Item 1.01, 2.03, 9.01
Item 1.01, 9.01
Item 1.01, 2.03, 9.01
Item 1.01, 5.02, 9.01
Recent AAOI Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Stefan J. Murry | Officer | 4,000 | $411K | View on EDGAR | |
| Shu-Hua (Joshua) Yeh | Officer | 6,000 |
AAOI insider trading FAQ
What is the latest insider trade for AAOI?
APPLIED OPTOELECTRONICS, INC. (AAOI) had 12 insider filings in the last 90 days, with the most recent on 26 October 2026. The full record for AAOI runs to 147 Form 4 filings, the earliest from 24 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AAOI stock?
No insider purchases of AAOI were filed in the last 90 days. 13 purchases are on record for this company.
How many insiders are selling AAOI stock?
6 insider sales of AAOI were filed in the last 90 days, totaling $6.56M.
Where can I see AAOI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AAOI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Hung-Lun (Fred) Chang view on EDGAR
- - Stefan J. Murry view on EDGAR
- - Shu-Hua (Joshua) Yeh view on EDGAR
- - David C. Kuo view on EDGAR
- - Chih-Hsiang (Thompson) Lin view on EDGAR
- - Stefan J. Murry view on EDGAR
- - Shu-Hua (Joshua) Yeh view on EDGAR
- - Richard B. Black view on EDGAR
- - Hung-Lun (Fred) Chang view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where AAOI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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