Hung-Lun (Fred) Chang

AAOI

Hung-Lun (Fred) Chang serves as officer: *** See Remarks at Applied Optoelectronics, Inc. (AAOI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

30 trades

$14.57M

Net Position

Net Seller

$14.57M

Companies Traded

AAOI

Active Period

Apr 2021 – May 2026

30 total trades

Most Recent

Sell AAOI

May 19, 2026 · $5.83M

Hung-Lun (Fred) Chang's Insider Trading at Applied Optoelectronics, Inc. (AAOI)

Buys

0 · $0.00

Sells

30 · $14.57M

Total Shares Bought

Total Shares Sold

421,289

AAOI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 19, 2026	Sell	33,630	$173.26	$5.83M	391,750
Mar 18, 2026	Sell	36,400	$100.25	$3.65M	233,618
Jan 22, 2026	Sell	6,338	$38.38	$243.3K	0
Oct 22, 2025	Sell	5,769	$33.40	$192.7K	0
Aug 13, 2025	Sell	15,784	$22.70	$358.3K	0
Jul 22, 2025	Sell	6,732	$28.23	$190.0K	0
May 13, 2025	Sell	23,837	$19.06	$454.3K	0
May 9, 2025	Sell	54,516	$14.76	$804.7K	0
Apr 30, 2025	Sell	774	$10.05	$7.8K	0
Apr 22, 2025	Sell	5,961	$10.05	$59.9K	0
Jan 22, 2025	Sell	7,616	$30.15	$229.6K	0
Nov 20, 2024	Sell	20,323	$30.35	$616.8K	0
Nov 8, 2024	Sell	18,915	$23.49	$444.3K	0
Oct 22, 2024	Sell	7,232	$18.51	$133.9K	0
Jul 22, 2024	Sell	7,621	$9.68	$73.8K	0
Jun 13, 2024	Sell	15,614	$10.44	$163.0K	0
May 23, 2024	Sell	686	$12.12	$8.3K	0
Apr 22, 2024	Sell	7,572	$12.12	$91.8K	0
Jan 22, 2024	Sell	9,150	$15.81	$144.7K	0
Jan 5, 2024	Sell	922	$18.53	$17.1K	0
Oct 23, 2023	Sell	5,473	$6.91	$37.8K	0
Aug 10, 2023	Sell	13,637	$14.08	$192.1K	0
Aug 8, 2023	Sell	32,346	$12.07	$390.3K	0
Jul 24, 2023	Sell	9,627	$6.49	$62.5K	0
Apr 24, 2023	Sell	5,499	$2.14	$11.8K	0
Jan 23, 2023	Sell	3,978	$2.21	$8.8K	0
Nov 10, 2022	Sell	50,490	$2.15	$108.5K	0
Oct 24, 2022	Sell	5,544	$2.74	$15.2K	0
Jul 22, 2022	Sell	6,992	$2.08	$14.5K	0
Apr 22, 2021	Sell	2,311	$7.92	$18.3K	0