Chang Hung-Lun (Fred)

CIK 0001587462

*** See Remarks

Filings

Latest May 19, 2026

Issuers covered

Showing

35 of 35

Page 1

Track record

10 of 11 open-market trades scored (91% price coverage) - 1 issuer without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).

Horizon	Trades	Win rate	Avg	Median	Best	Worst
30 days	10	20%	-14.7%	-14.3%	+19.3%	-51.5%
90 days	9	44%	+7.0%	-2.8%	+31.8%	-9.4%
180 days	9	56%	+0.9%	+44.1%	+49.6%	-108.1%
365 days	8	88%	-99.8%	+25.6%	+46.4%	-999.6%

Issuers

Companies where Chang Hung-Lun (Fred) has filed

Ticker	Issuer	Filings	Last filed
AAOI	Applied Optoelectronics, Inc.	35	May 19, 2026

All filings

35 Form 4 / 4-A filings, newest first

Filed	Issuer	Top transaction	Shares	Price	Value
May 19, 2026	AAOIApplied Optoelectronics, Inc.	SSale	33,630	$173.26	$5,826,734
Apr 24, 2026	AAOIApplied Optoelectronics, Inc.	FTax	2,940	$150.57	$442,676
Mar 18, 2026	AAOIApplied Optoelectronics, Inc.	SSale	36,400	$100.245	$3,648,918
Feb 11, 2026	AAOIApplied Optoelectronics, Inc.	AGrant	25,799	$0.00	$0
Jan 26, 2026	AAOIApplied Optoelectronics, Inc.	FTax	2,940	$38.38	$112,837
Oct 24, 2025	AAOIApplied Optoelectronics, Inc.	FTax	2,676	$33.40	$89,378
Aug 14, 2025	AAOIApplied Optoelectronics, Inc.	SSale	15,784	$22.7009	$358,311
Jul 24, 2025	AAOIApplied Optoelectronics, Inc.	FTax	2,675	$28.23	$75,515
May 14, 2025	AAOIApplied Optoelectronics, Inc.	SSale	23,837	$19.0577	$454,278
May 13, 2025	AAOIApplied Optoelectronics, Inc.	FTax	54,516	$14.76	$804,656
May 2, 2025	AAOIApplied Optoelectronics, Inc.	FTax	774	$10.05	$7,779
Apr 24, 2025	AAOIApplied Optoelectronics, Inc.	FTax	2,675	$10.05	$26,884
Apr 15, 2025	AAOIApplied Optoelectronics, Inc.	AGrant	32,397	$0.00	$0
Jan 23, 2025	AAOIApplied Optoelectronics, Inc.	FTax	2,758	$30.15	$83,154
Dec 10, 2024	AAOIApplied Optoelectronics, Inc.A	SSale	20,323	$30.3514	$616,832
Nov 22, 2024	AAOIApplied Optoelectronics, Inc.	SSale	20,323	$30.3514	$616,832
Nov 12, 2024	AAOIApplied Optoelectronics, Inc.	SSale	8,915	$25.0417	$223,247
Oct 24, 2024	AAOIApplied Optoelectronics, Inc.	FTax	2,618	$18.51	$48,459
Jul 24, 2024	AAOIApplied Optoelectronics, Inc.	FTax	2,759	$9.68	$26,707
Jun 17, 2024	AAOIApplied Optoelectronics, Inc.	DDisposition	40,455	$10.44	$422,350
May 28, 2024	AAOIApplied Optoelectronics, Inc.	FTax	686	$12.12	$8,314
May 1, 2024	AAOIApplied Optoelectronics, Inc.	AGrant	25,671	$0.00	$0
Apr 24, 2024	AAOIApplied Optoelectronics, Inc.	FTax	2,990	$12.12	$36,239
Jan 24, 2024	AAOIApplied Optoelectronics, Inc.	FTax	2,990	$15.81	$47,272
Jan 9, 2024	AAOIApplied Optoelectronics, Inc.	FTax	922	$18.53	$17,085
Oct 25, 2023	AAOIApplied Optoelectronics, Inc.	FTax	1,787	$6.91	$12,348
Aug 11, 2023	AAOIApplied Optoelectronics, Inc.	SSale	13,637	$14.083	$192,050
Aug 10, 2023	AAOIApplied Optoelectronics, Inc.	SSale	32,346	$12.0652	$390,261
Jul 26, 2023	AAOIApplied Optoelectronics, Inc.	FTax	2,369	$7.91	$18,739
Jun 28, 2023	AAOIApplied Optoelectronics, Inc.	AGrant	112,099	$0.00	$0
Apr 26, 2023	AAOIApplied Optoelectronics, Inc.	FTax	1,700	$2.14	$3,638
Jan 25, 2023	AAOIApplied Optoelectronics, Inc.	FTax	1,155	$2.21	$2,553
Jun 29, 2022	AAOIApplied Optoelectronics, Inc.	AGrant	71,428	$0.00	$0
Apr 26, 2022	AAOIApplied Optoelectronics, Inc.	FTax	321	$0.00	$0
Jan 26, 2022	AAOIApplied Optoelectronics, Inc.	FTax	582	$0.00	$0

Showing 1-35 of 35

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Filed		Top transaction	Shares	Price	Value