AAOI insider buying and SEC filings, explained
Applied Optoelectronics, Inc. · CIK 1158114
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$102.8M
Planned sales (10b5-1)
$22.9M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 12, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $102.87 ($411K), marked as a 10b5-1 plan trade. Holdings down 1% to 363,168 shares. | SEC filing Filed Oct 14, 2026, 4:05 PM ET |
| Oct 5, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 6,000 shares at about $120.03 ($720K), marked as a 10b5-1 plan trade. Holdings down 2% to 371,498 shares. | SEC filing Filed Oct 7, 2026, 4:05 PM ET |
| Sep 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $105.33 ($421K), marked as a 10b5-1 plan trade. Holdings down 1% to 367,168 shares. | SEC filing Filed Sep 10, 2026 |
| Sep 8, 2026 | Sale | Hung-Lun (Fred) Chang (Officer) sold 32,172 shares at about $110.21 ($3.5M). Holdings down 11% to 249,276 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 10, 2026 |
| Aug 18, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 6,000 shares at about $147.73 ($886K), marked as a 10b5-1 plan trade. Holdings down 2% to 377,498 shares. | SEC filing Filed Aug 20, 2026 |
| Aug 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $144.79 ($579K), marked as a 10b5-1 plan trade. Holdings down 1% to 371,168 shares. | SEC filing Filed Aug 12, 2026 |
| Aug 4, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 4,715 shares at about $126.50 ($596K), marked as a 10b5-1 plan trade. Holdings down 1% to 383,498 shares. | SEC filing Filed Aug 4, 2026 |
| Jul 21, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 1,285 shares at about $120.02 ($154K), marked as a 10b5-1 plan trade. Holdings down <1% to 392,922 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $122.09 ($488K), marked as a 10b5-1 plan trade. Holdings down 1% to 380,576 shares. | SEC filing Filed Jul 14, 2026 |
| Jun 18, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 6,000 shares at about $171.89 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 1% to 394,207 shares. | SEC filing Filed Jun 18, 2026 |
| Jun 17, 2026 | Planned (10b5-1) | Hung-Lun (Fred) Chang (Officer) sold 40,329 shares at about $170.60 ($6.9M), marked as a 10b5-1 plan trade. Holdings down 12% to 286,124 shares. | SEC filing Filed Jun 18, 2026 |
| Jun 12, 2026 | Sale | Shu-Hua (Joshua) Yeh (Officer) sold 28,826 shares at about $166.53 ($4.8M). Holdings down 7% to 400,207 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Sale | Stefan J. Murry (CFO) sold 33,000 shares at about $166.53 ($5.5M). Holdings down 8% to 384,576 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Sale | Chih-Hsiang (Thompson) Lin (CEO and Director) sold 59,000 shares at about $166.53 ($9.8M). Holdings down 4% to 1,302,436 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Sale | David C Kuo (Chief Legal Officer) sold 29,227 shares at about $166.53 ($4.9M). Holdings down 16% to 149,078 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Sale | Hung-Lun (Fred) Chang (Officer) sold 34,000 shares at about $166.53 ($5.7M). Holdings down 9% to 326,453 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $171.45 ($686K), marked as a 10b5-1 plan trade. Holdings down 1% to 447,906 shares. | SEC filing Filed Jun 11, 2026 |
| Jun 5, 2026 | Sale | Hung-Lun (Fred) Chang (Officer) sold 4,000 shares at about $200.07 ($800K). Holdings down 1% to 387,750 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 8, 2026 |
| Jun 4, 2026 | Sale | Shu-Hua (Joshua) Yeh (Officer) sold 10,000 shares at about $205.07 ($2.1M). Holdings down 2% to 452,430 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 8, 2026 |
| Jun 2, 2026 | Sale | Min-Chu (Mike) Chen (Director) sold 8,247 shares at $201.00 ($1.7M). Holdings down 5% to 161,053 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 4, 2026 |
| May 26, 2026 | Sale | Cynthia DeLaney (Director) sold 56,575 shares at about $189.23 ($10.7M). Holdings down 49% to 59,647 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 28, 2026 |
| May 19, 2026 | Sale | Shu-Hua (Joshua) Yeh (Officer) sold 39,154 shares at $173.26 ($6.8M). Holdings down 8% to 462,430 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 19, 2026 | Sale | Stefan J. Murry (CFO) sold 33,000 shares at $173.26 ($5.7M). Holdings down 7% to 451,906 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 19, 2026 | Sale | Chih-Hsiang (Thompson) Lin (CEO and Director) sold 58,000 shares at $173.26 ($10.0M). Holdings down 3% to 2,255,693 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 19, 2026 | Sale | David C Kuo (Chief Legal Officer) sold 19,227 shares at $173.26 ($3.3M). Holdings down 9% to 197,370 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 19, 2026 | Sale | Hung-Lun (Fred) Chang (Officer) sold 33,630 shares at $173.26 ($5.8M). Holdings down 8% to 391,750 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 11, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $159.53 ($638K), marked as a 10b5-1 plan trade. Holdings down 1% to 266,126 shares. | SEC filing Filed May 13, 2026 |
| Apr 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $136.50 ($546K), marked as a 10b5-1 plan trade. Holdings down 1% to 276,070 shares. | SEC filing Filed Apr 14, 2026 |
| Mar 19, 2026 | Sale | David C Kuo (Chief Legal Officer) sold 29,000 shares at about $100.13 ($2.9M). Holdings down 26% to 82,663 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 23, 2026 |
| Mar 16, 2026 | Sale | Hung-Lun (Fred) Chang (Officer) sold 36,400 shares at about $100.25 ($3.6M). Holdings down 13% to 233,618 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 18, 2026 |
| Mar 10, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $112.76 ($451K), marked as a 10b5-1 plan trade. Holdings down 1% to 280,070 shares. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Planned (10b5-1) | Shu-Hua (Joshua) Yeh (Officer) sold 50,000 shares at about $97.10 ($4.9M), marked as a 10b5-1 plan trade. Holdings down 13% to 322,051 shares. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Sale | William H Yeh (Director) sold 15,000 shares at about $105.76 ($1.6M). Holdings down 6% to 238,819 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 6–9, 2026 | Sale | Min-Chu (Mike) Chen (Director) sold 11,335 shares directly and indirectly (by spouse) between Mar 6 and Mar 9 at about $106.14 ($1.2M). Direct holdings down 5% to 169,300 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 5, 2026 | Sale | Richard B. Black (Director) sold 3,231 shares indirectly (by trust) at $95.00 ($307K). Holdings by trust down 2% to 164,363 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 4, 2026 | Sale | Cynthia DeLaney (Director) sold 21,000 shares at about $98.02 ($2.1M). Holdings down 15% to 116,222 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 3, 2026 | Sale | Elizabeth G Loboa (Director) sold 102,347 shares at about $95.76 ($9.8M). Holdings down 83% to 20,523 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Feb 20, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 5,980 shares at about $50.15 ($300K), marked as a 10b5-1 plan trade. Holdings down 2% to 284,070 shares. | SEC filing Filed Feb 24, 2026 |
| Feb 10–11, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 18,020 shares between Feb 10 and Feb 11 at about $49.87 ($899K), marked as a 10b5-1 plan trade. Holdings down 6% to 290,050 shares. | SEC filing Filed Feb 11, 2026 |
| Feb 10–11, 2026 | Planned (10b5-1) | David C Kuo (Chief Legal Officer) sold 20,000 shares between Feb 10 and Feb 11 at about $50.15 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 15% to 111,663 shares. | SEC filing Filed Feb 11, 2026 |
| Jan 28, 2026 | Planned (10b5-1) | David C Kuo (Chief Legal Officer) sold 12,000 shares at about $45.06 ($541K), marked as a 10b5-1 plan trade. Holdings down 9% to 114,636 shares. | SEC filing Filed Jan 30, 2026 |
| Jan 15, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 66 shares at $35.01 ($2K), marked as a 10b5-1 plan trade. Holdings down <1% to 282,971 shares. | SEC filing Filed Jan 20, 2026 |
| Jan 12–13, 2026 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 3,934 shares between Jan 12 and Jan 13 at about $34.05 ($134K), marked as a 10b5-1 plan trade. Holdings down 1% to 283,037 shares. | SEC filing Filed Jan 14, 2026 |
| Dec 23, 2025 | Planned (10b5-1) | David C Kuo (Chief Legal Officer) sold 12,500 shares at about $40.15 ($502K), marked as a 10b5-1 plan trade. Holdings down 9% to 130,948 shares. | SEC filing Filed Dec 29, 2025 |
| Dec 15, 2025 | Sale | Elizabeth G Loboa (Director) sold 4,121 shares at about $30.23 ($125K). Holdings down 3% to 122,870 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 17, 2025 |
| Dec 10, 2025 | Planned (10b5-1) | Stefan J. Murry (CFO) sold 4,000 shares at about $31.55 ($126K), marked as a 10b5-1 plan trade. Holdings down 1% to 287,971 shares. | SEC filing Filed Dec 12, 2025 |
47 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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