APPLIED OPTOELECTRONICS, INC. (AAOI) has 13 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 7 sales totalling $7.2M. Most recent filing: Sept. 17, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 17, 2026 filed Sept. 15, 2026 | BLACK RICHARD B Director | $0 | 2,200 | −1% | No | |
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| Sept. 10, 2026 filed Sept. 8, 2026 | Chang Hung-Lun (Fred) *** See Remarks | −$3,545,676 | 32,172 | −11% | No | |
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| Sept. 10, 2026 | Murry Stefan J. Chief Financial Officer | −$421,320 | 4,000 | −1% | Yes | |
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| Aug. 20, 2026 filed Aug. 18, 2026 | Yeh Shu-Hua (Joshua) *** See Remarks | −$886,380 | 6,000 | −2% | Yes | |
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| Aug. 12, 2026 filed Aug. 10, 2026 | Murry Stefan J. Chief Financial Officer | −$579,160 | 4,000 | −1% | Yes | |
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Showing the 5 most recent of 13 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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