Insider · CIK 0001587462

Chang Hung-Lun (Fred)

Reports to the SEC for 1 company · SUGAR LAND, TX

sec.gov

Transactions

Companies

Filings

CIK

0001587462

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-08	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−32.2K sh	$110.21	−$3.55M	249,276
2026-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,674 sh	$119.26	−$319K	283,450
2026-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−773 sh	$119.26	−$92.2K	280,064
2026-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−613 sh	$119.26	−$73.1K	282,837
2026-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−616 sh	$119.26	−$73.5K	281,448
2026-06-17	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−40.3K sh	$170.60	−$6.88M	286,124
2026-06-12	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−27.3K sh	$172.78	−$4.72M	360,453
2026-06-12	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−34K sh	$166.53	−$5.66M	326,453
2026-06-05	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−4,000 sh	$200.07	−$800K	387,750
2026-05-19	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−27.3K sh	$190.36	−$5.2M	425,380
2026-05-19	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−33.6K sh	$173.26	−$5.83M	391,750
2026-05-15	AAOIAPPLIED OPTOELECTRONICS, INC.A Award	*** See Remarks	AAward	+224K sh	—	—	452,677
2026-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−673 sh	$150.57	−$101K	230,005
2026-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−850 sh	$150.57	−$128K	229,155
2026-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−677 sh	$150.57	−$102K	228,478
2026-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,940 sh	$150.57	−$443K	230,678
2026-03-16	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−36.4K sh	$100.25	−$3.65M	233,618
2026-02-09	AAOIAPPLIED OPTOELECTRONICS, INC.A Award	*** See Remarks	AAward	+25.8K sh	—	—	270,018
2026-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,940 sh	$38.38	−$113K	245,743
2026-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−674 sh	$38.38	−$25.9K	245,069
2026-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,874 sh	$38.38	−$71.9K	248,683
2026-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−850 sh	$38.38	−$32.6K	244,219
2025-10-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−774 sh	$33.40	−$25.9K	250,557
2025-10-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,676 sh	$33.40	−$89.4K	251,945
2025-10-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−614 sh	$33.40	−$20.5K	251,331
2025-10-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,705 sh	$33.40	−$56.9K	254,621
2025-08-13	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−15.8K sh	$22.70	−$358K	256,326
2025-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−966 sh	$28.23	−$27.3K	277,876
2025-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,675 sh	$28.23	−$75.5K	273,497
2025-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,704 sh	$28.23	−$48.1K	276,172
2025-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−774 sh	$28.23	−$21.9K	272,110
2025-07-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−613 sh	$28.23	−$17.3K	272,884
2025-05-13	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−23.8K sh	$19.06	−$454K	278,842
2025-05-13	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−54.5K sh	$14.76	−$805K	302,679
2025-05-09	AAOIAPPLIED OPTOELECTRONICS, INC.A Award	*** See Remarks	AAward	+143K sh	—	—	357,195
2025-04-30	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−774 sh	$10.05	−$7,778.7	214,338
2025-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,675 sh	$10.05	−$26.9K	215,726
2025-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,705 sh	$10.05	−$17.1K	218,401
2025-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−967 sh	$10.05	−$9,718.35	220,106
2025-04-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−614 sh	$10.05	−$6,170.7	215,112
2025-04-11	AAOIAPPLIED OPTOELECTRONICS, INC.A Award	*** See Remarks	AAward	+32.4K sh	—	—	221,073
2025-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−996 sh	$30.15	−$30K	195,296
2025-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,472 sh	$30.15	−$44.4K	193,824
2025-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−1,758 sh	$30.15	−$53K	192,066
2025-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−632 sh	$30.15	−$19.1K	188,676
2025-01-22	AAOIAPPLIED OPTOELECTRONICS, INC.F Tax Payment	*** See Remarks	FTax Payment	−2,758 sh	$30.15	−$83.2K	189,308
2024-11-20	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−20.3K sh	$30.35	−$617K	196,292
2024-11-20	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−20.3K sh	$30.35	−$617K	195,572
2024-11-08	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−8,915 sh	$25.04	−$223K	215,895
2024-11-08	AAOIAPPLIED OPTOELECTRONICS, INC.S Sale	*** See Remarks	SSale	−10K sh	$22.11	−$221K	224,810

Recent filings

Accepted (ET)
Sep 104
Chang Hung-Lun (Fred)0001683168-26-007059
SEC(opens sec.gov)
Jul 234
Chang Hung-Lun (Fred)0001683168-26-005738
SEC(opens sec.gov)
Jun 184
Chang Hung-Lun (Fred)0001683168-26-004979
SEC(opens sec.gov)
Jun 164
Chang Hung-Lun (Fred)0001683168-26-004878
SEC(opens sec.gov)
Jun 84
Chang Hung-Lun (Fred)0001683168-26-004625
SEC(opens sec.gov)
May 194
Chang Hung-Lun (Fred)0001683168-26-004132
SEC(opens sec.gov)
Apr 244
Chang Hung-Lun (Fred)0001683168-26-003186
SEC(opens sec.gov)
Mar 184
Chang Hung-Lun (Fred)0001683168-26-001979
SEC(opens sec.gov)
Feb 114
Chang Hung-Lun (Fred)0001683168-26-000922
SEC(opens sec.gov)
Jan 264
Chang Hung-Lun (Fred)0001683168-26-000531
SEC(opens sec.gov)

Companies

APPLIED OPTOELECTRONICS, INC.*** See RemarksAAOI

Address

C/O APPLIED OPTOELECTRONICS, INC. 13139 JESS PIRTLE BLVD.

SUGAR LAND, TX, 77478