APPLIED OPTOELECTRONICS, INC.
Total Trades
60
Buys
7
Sells
51
Largest Trade
N/A
Insiders
10
Institutional Funds
172
Inst. Value
$1M+
Activist Filings
17
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Loboa Elizabeth G | Director | SELL | $1M+ | 102K | $95.76 | Mar 5, 2026 |
| DeLaney Cynthia | Director | SELL | $1M+ | 21K | $98.02 | Mar 5, 2026 |
| BLACK RICHARD B | Director | SELL | $100K–$500K | 3K | $95.00 | Mar 5, 2026 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 6K | $50.15 | Feb 24, 2026 |
| Murry Stefan J. | CFO | SELL | $500K+ | 18K | $49.87 | Feb 11, 2026 |
| Murry Stefan J. | CFO | GRANT | N/A | 32K | — | Feb 11, 2026 |
| Kuo David C | *** See Remarks | GRANT | N/A | 17K | — | Feb 11, 2026 |
| Kuo David C | *** See Remarks | SELL | $1M+ | 20K | $50.15 | Feb 11, 2026 |
| Kuo David C | *** See Remarks | SELL | $500K+ | 12K | $45.05 | Jan 30, 2026 |
| Murry Stefan J. | CFO | SELL | $1K–$15K | 66 | $35.01 | Jan 20, 2026 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 4K | $34.04 | Jan 14, 2026 |
| Kuo David C | *** See Remarks | SELL | $500K+ | 13K | $40.15 | Dec 29, 2025 |
| Loboa Elizabeth G | Director | SELL | $100K–$500K | 4K | $30.23 | Dec 17, 2025 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 4K | $31.55 | Dec 12, 2025 |
| Murry Stefan J. | CFO | SELL | $50K–$100K | 3K | $27.46 | Jul 18, 2025 |
| Murry Stefan J. | CFO | SELL | $15K–$50K | 2K | $16.05 | Jun 17, 2025 |
| Murry Stefan J. | CFO | SELL | $15K–$50K | 2K | $19.35 | May 20, 2025 |
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $100K–$500K | 24K | $19.06 | May 14, 2025 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 11K | $19.10 | May 14, 2025 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $100K–$500K | 21K | $18.22 | May 14, 2025 |
| Murry Stefan J. | CFO | SELL | $15K–$50K | 2K | $10.95 | Apr 18, 2025 |
| Murry Stefan J. | CFO | SELL | $15K–$50K | 2K | $23.06 | Mar 19, 2025 |
| Murry Stefan J. | CFO | SELL | $50K–$100K | 2K | $35.17 | Jan 23, 2025 |
| BLACK RICHARD B | Director | SELL | $100K–$500K | 10K | $29.00 | Jan 17, 2025 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 4K | $31.72 | Jan 17, 2025 |
| Yeh William H | Director | SELL | $100K–$500K | 10K | $43.08 | Dec 3, 2024 |
| Loboa Elizabeth G | Director | SELL | $100K–$500K | 10K | $41.46 | Dec 3, 2024 |
| Chen Min-Chu (Mike) | Director | SELL | $100K–$500K | 10K | $40.00 | Dec 3, 2024 |
| BLACK RICHARD B | Director | SELL | $100K–$500K | 8K | $37.18 | Nov 29, 2024 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 5K | $31.56 | Nov 22, 2024 |
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $500K+ | 20K | $30.35 | Nov 22, 2024 |
| Loboa Elizabeth G | Director | SELL | $100K–$500K | 13K | $36.54 | Nov 22, 2024 |
| BLACK RICHARD B | Director | SELL | $100K–$500K | 10K | $27.52 | Nov 18, 2024 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 14K | $28.95 | Nov 18, 2024 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 16K | $27.68 | Nov 12, 2024 |
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $100K–$500K | 19K | $23.49 | Nov 12, 2024 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 10K | $15.02 | Sep 26, 2024 |
| Yeh William H | Director | BUY | $100K–$500K | 10K | $15.29 | Feb 28, 2024 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 20K | $17.08 | Jan 18, 2024 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $100K–$500K | 15K | $9.79 | Sep 14, 2023 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $50K–$100K | 6K | $12.44 | Sep 6, 2023 |
| Yeh William H | Director | SELL | $100K–$500K | 10K | $15.22 | Aug 22, 2023 |
| Murry Stefan J. | CFO | SELL | $100K–$500K | 15K | $15.88 | Aug 22, 2023 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $100K–$500K | 20K | $12.38 | Aug 18, 2023 |
| Lin Chih-Hsiang (Thompson) | President and CEO | BUY | $100K–$500K | 16K | $12.60 | Aug 14, 2023 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 10K | $13.73 | Aug 11, 2023 |
| Chang Hung-Lun (Fred) | *** See Remarks | SELL | $100K–$500K | 14K | $14.08 | Aug 11, 2023 |
| Yeh Shu-Hua (Joshua) | *** See Remarks | SELL | $500K+ | 45K | $12.10 | Aug 10, 2023 |
| Murry Stefan J. | CFO | SELL | $500K+ | 60K | $11.82 | Aug 10, 2023 |
| Kuo David C | *** See Remarks | SELL | $100K–$500K | 15K | $11.86 | Aug 10, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 172 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| HAWK RIDGE CAPITAL MANAGEMENT LP | 1.7M | $1M+ | SH |
| STATE STREET CORP | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 955K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 774K | $1M+ | SH |
| Artemis Investment Management LLP | 772K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 671K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 528K | $1M+ | SH |
| NEXT CENTURY GROWTH INVESTORS LLC | 465K | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 447K | $1M+ | SH |
| Penn Capital Management Company, LLC | 446K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 399K | $1M+ | SH |
| Steward Partners Investment Advisory, LLC | 366K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 363K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 323K | $1M+ | SH |
| NEW YORK STATE COMMON RETIREMENT FUND | 315K | $1M+ | SH |
| MORGAN STANLEY | 264K | $1M+ | SH |
| WOLVERINE ASSET MANAGEMENT LLC | 250K | $1M+ | SH (Put) |
| FIRST TRUST ADVISORS LP | 242K | $1M+ | SH |
| BARCLAYS PLC | 236K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
5.1%
3.5M shares
SC 13G/A · Jul 29, 2025
7.3%
4.1M shares
SC 13G/A · May 15, 2025
4.2%
2.2M shares
SC 13G · Jan 15, 2025
5.1%
2.5M shares
SC 13G/A · Nov 12, 2024
5.3%
2.2M shares
SC 13G · Nov 8, 2024
7.1%
3.0M shares
SC 13G · Nov 4, 2024
5.3%
2.2M shares
SC 13G · Oct 22, 2024
7.1%
3.0M shares
DRIEHAUS CAPITAL MANAGEMENT LLC
SC 13G/A · Jun 10, 2024
2.2%
844K shares
SC 13G/A · Feb 14, 2024
0.0%
6 shares
DRIEHAUS CAPITAL MANAGEMENT LLC
SC 13G · Feb 14, 2024
7.8%
2.8M shares
Yong Rong (HK) Asset Management Limited
SC 13G/A · Aug 31, 2023
2.6%
846K shares
Yong Rong (HK) Asset Management Limited
SC 13G · Aug 18, 2023
5.7%
1.8M shares
D. E. Shaw Valence Portfolios, L.L.C.
SC 13G/A · Feb 14, 2023
2.7%
789K shares
SC 13G/A · Feb 14, 2023
5.7%
6 shares
D. E. Shaw Valence Portfolios, L.L.C.
SC 13G/A · Feb 14, 2022
5.9%
1.7M shares
SC 13G/A · Feb 14, 2022
6.5%
6 shares