AAOI
Applied Optoelectronics, Inc.$179.77-23.10 (-11.39%)Prev Close$202.89·MCap$12.71B·P/E—·Vol16.99M·Yield—
▲
Buys (12M)
5
$1.27M
▼
Sells (12M)
50
$83.09M
◆
Net Activity
Net Seller
$81.81M
●
Active Insiders
14
last 12 mo
Over the past 12 months, insider activity at Applied Optoelectronics, Inc. (AAOI) has been dominated by selling, with 5 insider purchases totaling $1.27M and 50 insider sales totaling $83.09M. The most recent insider transaction was by Chen Min-Chu (Mike) (director), who sold $1.66M worth of shares on Jun 4, 2026. Applied Optoelectronics, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $12.71B.
AAOI Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 4, 2026 | Chen Min-Chu (Mike) | director | Sell | 8,247 | $201.00 | $1.66M | 161,053 |
| May 28, 2026 | DeLaney Cynthia | director | Sell | 56,575 | $189.23 | $10.71M | 59,647-49% |
| May 19, 2026 | Yeh Shu-Hua (Joshua) | officer: *** See Remarks | Sell | 39,154 | $173.26 | $6.78M | 462,430 |
| May 19, 2026 | Lin Chih-Hsiang (Thompson) | director, officer: President and CEO | Sell | 58,000 | $173.26 | $10.05M | 2,255,693 |
| May 19, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 33,000 | $173.26 | $5.72M | 451,906 |
| May 19, 2026 | Kuo David C | officer: *** See Remarks | Sell | 19,227 | $173.26 | $3.33M | 197,370 |
| May 19, 2026 | Chang Hung-Lun (Fred) | officer: *** See Remarks | Sell | 33,630 | $173.26 | $5.83M | 391,750 |
| May 13, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 4,000 | $159.53 | $638.1K | 266,126 |
| Apr 14, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 4,000 | $136.50 | $546.0K | 276,070 |
| Mar 23, 2026 | Kuo David C | officer: *** See Remarks | Sell | 29,000 | $100.13 | $2.90M | 82,663-26% |
| Mar 18, 2026 | Chang Hung-Lun (Fred) | officer: *** See Remarks | Sell | 36,400 | $100.25 | $3.65M | 233,618 |
| Mar 10, 2026 | Chen Min-Chu (Mike) | director | Sell | 11,335 | $106.13 | $1.20M | 169,300 |
| Mar 10, 2026 | Yeh Shu-Hua (Joshua) | officer: *** See Remarks | Sell | 50,000 | $97.10 | $4.85M | 322,051 |
| Mar 10, 2026 | Yeh William H | director | Sell | 15,000 | $105.76 | $1.59M | 238,819 |
| Mar 5, 2026 | BLACK RICHARD B | director | Sell | 3,231 | $95.00 | $306.9K | 164,363 |
| Mar 5, 2026 | DeLaney Cynthia | director | Sell | 21,000 | $98.02 | $2.06M | 116,222 |
| Mar 5, 2026 | Loboa Elizabeth G | director | Sell | 102,347 | $95.76 | $9.80M | 20,523-83% |
| Feb 24, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 5,980 | $50.15 | $299.9K | 284,070 |
| Feb 11, 2026 | Kuo David C | officer: *** See Remarks | Sell | 20,000 | $50.15 | $1.00M | 129,130 |
| Feb 11, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 18,020 | $49.87 | $898.7K | 304,070 |
| Feb 9, 2026 | Kuo David C | *** See Remarks | Sell | 20,000 | $50.15 | $1.00M | 0 |
| Feb 9, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 18,020 | $49.87 | $898.7K | 0 |
| Jan 30, 2026 | Kuo David C | officer: *** See Remarks | Sell | 12,000 | $45.06 | $540.7K | 114,636 |
| Jan 28, 2026 | Kuo David C | *** See Remarks | Sell | 12,000 | $45.06 | $540.7K | 0 |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 6,338 | $38.38 | $243.3K | 0 |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Sell | 4,312 | $38.38 | $165.5K | 0 |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | Sell | 21,672 | $38.38 | $831.8K | 0 |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 7,150 | $38.38 | $274.4K | 0 |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell | 5,923 | $38.38 | $227.3K | 0 |
| Jan 15, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 66 | $35.01 | $2.3K | 0 |
| Jan 14, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 3,934 | $34.04 | $133.9K | 283,971 |
| Jan 12, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 3,934 | $34.04 | $133.9K | 0 |
| Dec 23, 2025 | Kuo David C | *** See Remarks | Sell | 12,500 | $40.15 | $501.9K | 0 |
| Dec 15, 2025 | Loboa Elizabeth G | Director | Sell | 4,121 | $30.23 | $124.6K | 0 |
| Dec 10, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 4,000 | $31.55 | $126.2K | 0 |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 5,769 | $33.40 | $192.7K | 0 |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Sell | 3,923 | $33.40 | $131.0K | 0 |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Sell | 19,100 | $33.40 | $637.9K | 0 |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 6,506 | $33.40 | $217.3K | 0 |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell | 5,923 | $33.40 | $197.8K | 0 |
| Aug 15, 2025 | Kuo David C | *** See Remarks | Sell | 2,000 | $22.34 | $44.7K | 0 |
| Aug 15, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 12,000 | $22.37 | $268.4K | 0 |
| Aug 14, 2025 | Lin Che-Wei | Director | Buy | 4,609 | $21.64 | $99.7K | 0 |
| Aug 14, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Buy | 8,075 | $21.56 | $174.1K | 0 |
| Aug 13, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 15,784 | $22.70 | $358.3K | 0 |
| Aug 13, 2025 | Chen Min-Chu (Mike) | Director | Buy | 7,500 | $22.91 | $171.8K | 0 |
| Aug 13, 2025 | Yeh William H | Director | Buy | 18,000 | $22.54 | $405.7K | 0 |
| Aug 12, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Buy | 18,600 | $22.76 | $423.4K | 0 |
| Jul 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 6,732 | $28.23 | $190.0K | 0 |
| Jul 22, 2025 | Kuo David C | *** See Remarks | Sell | 4,529 | $28.23 | $127.9K | 0 |
Showing 1–50 of 204
1 / 5
AAOI Insider Buying Activity
The following table shows recent insider purchases of Applied Optoelectronics, Inc. (AAOI) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | Lin Che-Wei | Director | Buy | 4,609 | $21.64 | $99.7K | 0 |
| Aug 14, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Buy | 8,075 | $21.56 | $174.1K | 0 |
| Aug 13, 2025 | Chen Min-Chu (Mike) | Director | Buy | 7,500 | $22.91 | $171.8K | 0 |
| Aug 13, 2025 | Yeh William H | Director | Buy | 18,000 | $22.54 | $405.7K | 0 |
| Aug 12, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Buy | 18,600 | $22.76 | $423.4K | 0 |
AAOI Insider Selling Activity
The following table shows recent insider sales of Applied Optoelectronics, Inc. (AAOI) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 4, 2026 | Chen Min-Chu (Mike) | director | Sell | 8,247 | $201.00 | $1.66M | 161,053 |
| May 28, 2026 | DeLaney Cynthia | director | Sell | 56,575 | $189.23 | $10.71M | 59,647-49% |
| May 19, 2026 | Yeh Shu-Hua (Joshua) | officer: *** See Remarks | Sell | 39,154 | $173.26 | $6.78M | 462,430 |
| May 19, 2026 | Lin Chih-Hsiang (Thompson) | director, officer: President and CEO | Sell | 58,000 | $173.26 | $10.05M | 2,255,693 |
| May 19, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 33,000 | $173.26 | $5.72M | 451,906 |
| May 19, 2026 | Kuo David C | officer: *** See Remarks | Sell | 19,227 | $173.26 | $3.33M | 197,370 |
| May 19, 2026 | Chang Hung-Lun (Fred) | officer: *** See Remarks | Sell | 33,630 | $173.26 | $5.83M | 391,750 |
| May 13, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 4,000 | $159.53 | $638.1K | 266,126 |
| Apr 14, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 4,000 | $136.50 | $546.0K | 276,070 |
| Mar 23, 2026 | Kuo David C | officer: *** See Remarks | Sell | 29,000 | $100.13 | $2.90M | 82,663-26% |
| Mar 18, 2026 | Chang Hung-Lun (Fred) | officer: *** See Remarks | Sell | 36,400 | $100.25 | $3.65M | 233,618 |
| Mar 10, 2026 | Chen Min-Chu (Mike) | director | Sell | 11,335 | $106.13 | $1.20M | 169,300 |
| Mar 10, 2026 | Yeh Shu-Hua (Joshua) | officer: *** See Remarks | Sell | 50,000 | $97.10 | $4.85M | 322,051 |
| Mar 10, 2026 | Yeh William H | director | Sell | 15,000 | $105.76 | $1.59M | 238,819 |
| Mar 5, 2026 | BLACK RICHARD B | director | Sell | 3,231 | $95.00 | $306.9K | 164,363 |
| Mar 5, 2026 | DeLaney Cynthia | director | Sell | 21,000 | $98.02 | $2.06M | 116,222 |
| Mar 5, 2026 | Loboa Elizabeth G | director | Sell | 102,347 | $95.76 | $9.80M | 20,523-83% |
| Feb 24, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 5,980 | $50.15 | $299.9K | 284,070 |
| Feb 11, 2026 | Kuo David C | officer: *** See Remarks | Sell | 20,000 | $50.15 | $1.00M | 129,130 |
| Feb 11, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 18,020 | $49.87 | $898.7K | 304,070 |
| Feb 9, 2026 | Kuo David C | *** See Remarks | Sell | 20,000 | $50.15 | $1.00M | 0 |
| Feb 9, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 18,020 | $49.87 | $898.7K | 0 |
| Jan 30, 2026 | Kuo David C | officer: *** See Remarks | Sell | 12,000 | $45.06 | $540.7K | 114,636 |
| Jan 28, 2026 | Kuo David C | *** See Remarks | Sell | 12,000 | $45.06 | $540.7K | 0 |
| Jan 22, 2026 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 6,338 | $38.38 | $243.3K | 0 |
| Jan 22, 2026 | Kuo David C | *** See Remarks | Sell | 4,312 | $38.38 | $165.5K | 0 |
| Jan 22, 2026 | Lin Chih-Hsiang (Thompson) | President and CEO | Sell | 21,672 | $38.38 | $831.8K | 0 |
| Jan 22, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 7,150 | $38.38 | $274.4K | 0 |
| Jan 22, 2026 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell | 5,923 | $38.38 | $227.3K | 0 |
| Jan 15, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 66 | $35.01 | $2.3K | 0 |
| Jan 14, 2026 | Murry Stefan J. | officer: Chief Financial Officer | Sell | 3,934 | $34.04 | $133.9K | 283,971 |
| Jan 12, 2026 | Murry Stefan J. | Chief Financial Officer | Sell | 3,934 | $34.04 | $133.9K | 0 |
| Dec 23, 2025 | Kuo David C | *** See Remarks | Sell | 12,500 | $40.15 | $501.9K | 0 |
| Dec 15, 2025 | Loboa Elizabeth G | Director | Sell | 4,121 | $30.23 | $124.6K | 0 |
| Dec 10, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 4,000 | $31.55 | $126.2K | 0 |
| Oct 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 5,769 | $33.40 | $192.7K | 0 |
| Oct 22, 2025 | Kuo David C | *** See Remarks | Sell | 3,923 | $33.40 | $131.0K | 0 |
| Oct 22, 2025 | Lin Chih-Hsiang (Thompson) | President and CEO | Sell | 19,100 | $33.40 | $637.9K | 0 |
| Oct 22, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 6,506 | $33.40 | $217.3K | 0 |
| Oct 22, 2025 | Yeh Shu-Hua (Joshua) | *** See Remarks | Sell | 5,923 | $33.40 | $197.8K | 0 |
| Aug 15, 2025 | Kuo David C | *** See Remarks | Sell | 2,000 | $22.34 | $44.7K | 0 |
| Aug 15, 2025 | Murry Stefan J. | Chief Financial Officer | Sell | 12,000 | $22.37 | $268.4K | 0 |
| Aug 13, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 15,784 | $22.70 | $358.3K | 0 |
| Jul 22, 2025 | Chang Hung-Lun (Fred) | *** See Remarks | Sell | 6,732 | $28.23 | $190.0K | 0 |
| Jul 22, 2025 | Kuo David C | *** See Remarks | Sell | 4,529 | $28.23 | $127.9K | 0 |
AAOI Insiders
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