Chang Hung-Lun (Fred)

Applied Optoelectronics, Inc. · *** See Remarks

Chang Hung-Lun (Fred) is listed in public filings as officer: *** See Remarks. This Chang Hung-Lun (Fred) insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Applied Optoelectronics, Inc. (AAOI). Investors use Chang Hung-Lun (Fred)'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Applied Optoelectronics, Inc.AAOI	$68M391.8k shares	SellMay 19, 2026	$5.8M33.6k shares	$173.26	--
Applied Optoelectronics, Inc.AAOI	$81M425.4k shares	Grant / ExerciseMay 19, 2026	$5.2M27.3k shares	$190.36	--

Insider Trades History

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Applied Optoelectronics, Inc.AAOI	--452.7k shares	Grant / ExerciseMay 15, 2026	Disclosure amount unavailable224.2k shares	--	--
Applied Optoelectronics, Inc.AAOI	$35M230.7k shares	Grant / ExerciseApr 22, 2026	$442.7K2.9k shares	$150.57	--
Applied Optoelectronics, Inc.AAOI	$35M229.2k shares	Grant / ExerciseApr 22, 2026	$128.0K850 shares	$150.57	--
Applied Optoelectronics, Inc.AAOI	$34M228.5k shares	Grant / ExerciseApr 22, 2026	$101.9K677 shares	$150.57	--
Applied Optoelectronics, Inc.AAOI	$35M230k shares	Grant / ExerciseApr 22, 2026	$101.3K673 shares	$150.57	--
Applied Optoelectronics, Inc.AAOI	$23M233.6k shares	SellMar 16, 2026	$3.6M36.4k shares	$100.25	--
Applied Optoelectronics, Inc.AAOI	--270k shares	Grant / ExerciseFeb 9, 2026	Disclosure amount unavailable25.8k shares	--	--
Applied Optoelectronics, Inc.AAOI	$9.4M245.7k shares	Grant / ExerciseJan 22, 2026	$112.8K2.9k shares	$38.38	--
Applied Optoelectronics, Inc.AAOI	$9.5M248.7k shares	Grant / ExerciseJan 22, 2026	$71.9K1.9k shares	$38.38	--
Applied Optoelectronics, Inc.AAOI	$9.4M244.2k shares	Grant / ExerciseJan 22, 2026	$32.6K850 shares	$38.38	--
Applied Optoelectronics, Inc.AAOI	$9.4M245.1k shares	Grant / ExerciseJan 22, 2026	$25.9K674 shares	$38.38	--
Applied Optoelectronics, Inc.AAOI	$8.4M251.9k shares	Grant / ExerciseOct 22, 2025	$89.4K2.7k shares	$33.40	--
Applied Optoelectronics, Inc.AAOI	$8.5M254.6k shares	Grant / ExerciseOct 22, 2025	$56.9K1.7k shares	$33.40	--
Applied Optoelectronics, Inc.AAOI	$8.4M250.6k shares	Grant / ExerciseOct 22, 2025	$25.9K774 shares	$33.40	--
Applied Optoelectronics, Inc.AAOI	$8.4M251.3k shares	Grant / ExerciseOct 22, 2025	$20.5K614 shares	$33.40	--
Applied Optoelectronics, Inc.AAOI	$5.8M256.3k shares	SellAug 13, 2025	$358.3K15.8k shares	$22.70	--
Applied Optoelectronics, Inc.AAOI	$7.7M273.5k shares	Grant / ExerciseJul 22, 2025	$75.5K2.7k shares	$28.23	--
Applied Optoelectronics, Inc.AAOI	$7.8M276.2k shares	Grant / ExerciseJul 22, 2025	$48.1K1.7k shares	$28.23	--
Applied Optoelectronics, Inc.AAOI	$7.8M277.9k shares	Grant / ExerciseJul 22, 2025	$27.3K966 shares	$28.23	--
Applied Optoelectronics, Inc.AAOI	$7.7M272.1k shares	Grant / ExerciseJul 22, 2025	$21.9K774 shares	$28.23	--
Applied Optoelectronics, Inc.AAOI	$7.7M272.9k shares	Grant / ExerciseJul 22, 2025	$17.3K613 shares	$28.23	--
Applied Optoelectronics, Inc.AAOI	$4.5M302.7k shares	Grant / ExerciseMay 13, 2025	$804.7K54.5k shares	$14.76	--
Applied Optoelectronics, Inc.AAOI	$5.3M278.8k shares	SellMay 13, 2025	$454.3K23.8k shares	$19.06	--
Applied Optoelectronics, Inc.AAOI	--357.2k shares	Grant / ExerciseMay 9, 2025	Disclosure amount unavailable142.9k shares	--	--
Applied Optoelectronics, Inc.AAOI	$2.2M214.3k shares	Grant / ExerciseApr 30, 2025	$7.8K774 shares	$10.05	--
Applied Optoelectronics, Inc.AAOI	$2.2M215.7k shares	Grant / ExerciseApr 22, 2025	$26.9K2.7k shares	$10.05	--
Applied Optoelectronics, Inc.AAOI	$2.2M218.4k shares	Grant / ExerciseApr 22, 2025	$17.1K1.7k shares	$10.05	--
Applied Optoelectronics, Inc.AAOI	$2.2M220.1k shares	Grant / ExerciseApr 22, 2025	$9.7K967 shares	$10.05	--
Applied Optoelectronics, Inc.AAOI	$2.2M215.1k shares	Grant / ExerciseApr 22, 2025	$6.2K614 shares	$10.05	--
Applied Optoelectronics, Inc.AAOI	--221.1k shares	Grant / ExerciseApr 11, 2025	Disclosure amount unavailable32.4k shares	--	--
Applied Optoelectronics, Inc.AAOI	$5.7M189.3k shares	Grant / ExerciseJan 22, 2025	$83.2K2.8k shares	$30.15	--
Applied Optoelectronics, Inc.AAOI	$5.8M192.1k shares	Grant / ExerciseJan 22, 2025	$53.0K1.8k shares	$30.15	--
Applied Optoelectronics, Inc.AAOI	$5.8M193.8k shares	Grant / ExerciseJan 22, 2025	$44.4K1.5k shares	$30.15	--
Applied Optoelectronics, Inc.AAOI	$5.9M195.3k shares	Grant / ExerciseJan 22, 2025	$30.0K996 shares	$30.15	--
Applied Optoelectronics, Inc.AAOI	$5.7M188.7k shares	Grant / ExerciseJan 22, 2025	$19.1K632 shares	$30.15	--
Applied Optoelectronics, Inc.AAOI	$5.9M195.6k shares	SellNov 20, 2024	$616.8K20.3k shares	$30.35	--
Applied Optoelectronics, Inc.AAOI	$6.0M196.3k shares	SellNov 20, 2024	$616.8K20.3k shares	$30.35	--
Applied Optoelectronics, Inc.AAOI	$5.4M215.9k shares	SellNov 8, 2024	$223.2K8.9k shares	$25.04	--
Applied Optoelectronics, Inc.AAOI	$5.0M224.8k shares	SellNov 8, 2024	$221.1K10k shares	$22.11	--
Applied Optoelectronics, Inc.AAOI	$5.4M216.6k shares	SellNov 8, 2024	$205.2K8.2k shares	$25.04	--
Applied Optoelectronics, Inc.AAOI	$4.4M235.4k shares	Grant / ExerciseOct 22, 2024	$48.5K2.6k shares	$18.51	--
Applied Optoelectronics, Inc.AAOI	$4.4M238k shares	Grant / ExerciseOct 22, 2024	$30.9K1.7k shares	$18.51	--
Applied Optoelectronics, Inc.AAOI	$4.4M239.7k shares	Grant / ExerciseOct 22, 2024	$25.9K1.4k shares	$18.51	--
Applied Optoelectronics, Inc.AAOI	$4.5M241.1k shares	Grant / ExerciseOct 22, 2024	$17.5K946 shares	$18.51	--
Applied Optoelectronics, Inc.AAOI	$4.3M234.8k shares	Grant / ExerciseOct 22, 2024	$11.1K601 shares	$18.51	--
Applied Optoelectronics, Inc.AAOI	$2.3M242.7k shares	Grant / ExerciseJul 22, 2024	$26.7K2.8k shares	$9.68	--
Applied Optoelectronics, Inc.AAOI	$2.4M245.4k shares	Grant / ExerciseJul 22, 2024	$17.0K1.8k shares	$9.68	--
Applied Optoelectronics, Inc.AAOI	$2.4M247.2k shares	Grant / ExerciseJul 22, 2024	$14.3K1.5k shares	$9.68	--
Applied Optoelectronics, Inc.AAOI	$2.4M248.7k shares	Grant / ExerciseJul 22, 2024	$9.7K997 shares	$9.68	--
Applied Optoelectronics, Inc.AAOI	$2.3M242k shares	Grant / ExerciseJul 22, 2024	$6.1K633 shares	$9.68	--