Trade Summary

2 days ago, Chang Hung-Lun (Fred), serving as *** See Remarks at Applied Optoelectronics, Inc. (AAOI), sold 33,630 shares at $173.26 per share, for a total transaction value of $5,826,734.00. Following this transaction, Chang Hung-Lun (Fred) now holds 391,750 shares of AAOI.

This sale represents a 8.00% decrease in Chang Hung-Lun (Fred)'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, May 19, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, May 19, 2026 at 7:04 PM ET, meaning the disclosure happened on the same day as the trade.

Applied Optoelectronics, Inc. operates in the TECHNOLOGY sector, specifically within the COMMUNICATION EQUIPMENT industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.