Hung-Lun (fred) Chang

Companies

• Applied OptoelectronicsOfficer Sep 25, 2013 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Applied Optoelectronics AAOI249,276 shares²$19.5M at $78.30Sep 8, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 8, 2026Sold 32,172 shares at $110.21 of Applied Optoelectronics²
• Jul 22, 2026Shares withheld for tax 616 shares at $119.26 of Applied Optoelectronics³
• Jul 22, 2026Shares withheld for tax 773 shares at $119.26 of Applied Optoelectronics³
• Jul 22, 2026Shares withheld for tax 613 shares at $119.26 of Applied Optoelectronics³
• Jul 22, 2026Shares withheld for tax 2,674 shares at $119.26 of Applied Optoelectronics³
• Jun 17, 2026Sold 40,329 shares at $170.60 of Applied Optoelectronics⁴
• Jun 12, 2026Sold 34,000 shares at $166.53 of Applied Optoelectronics⁵
• Jun 12, 2026Shares withheld for tax 27,297 shares at $172.78 of Applied Optoelectronics⁵
• Jun 5, 2026Sold 4,000 shares at $200.07 of Applied Optoelectronics⁶
• May 19, 2026Sold 33,630 shares at $173.26 of Applied Optoelectronics⁷
• May 19, 2026Shares withheld for tax 27,297 shares at $190.36 of Applied Optoelectronics⁷
• May 15, 2026Granted 224,199 shares of Applied Optoelectronics⁷
• Apr 22, 2026Shares withheld for tax 677 shares at $150.57 of Applied Optoelectronics⁸
• Apr 22, 2026Shares withheld for tax 850 shares at $150.57 of Applied Optoelectronics⁸
• Apr 22, 2026Shares withheld for tax 673 shares at $150.57 of Applied Optoelectronics⁸
• Apr 22, 2026Shares withheld for tax 2,940 shares at $150.57 of Applied Optoelectronics⁸
• Mar 16, 2026Sold 36,400 shares at $100.25 of Applied Optoelectronics⁹
• Feb 9, 2026Granted 25,799 shares of Applied Optoelectronics¹⁰
• Jan 22, 2026Shares withheld for tax 850 shares at $38.38 of Applied Optoelectronics¹¹
• Jan 22, 2026Shares withheld for tax 674 shares at $38.38 of Applied Optoelectronics¹¹
• Jan 22, 2026Shares withheld for tax 2,940 shares at $38.38 of Applied Optoelectronics¹¹
• Jan 22, 2026Shares withheld for tax 1,874 shares at $38.38 of Applied Optoelectronics¹¹
• Oct 22, 2025Shares withheld for tax 774 shares at $33.40 of Applied Optoelectronics¹²
• Oct 22, 2025Shares withheld for tax 614 shares at $33.40 of Applied Optoelectronics¹²
• Oct 22, 2025Shares withheld for tax 2,676 shares at $33.40 of Applied Optoelectronics¹²