Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:
SEC Accession No. 0001493152-26-019802
Filing Date
2026-04-30
Accepted
2026-04-30 10:55:43
Documents
200
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 20-F form20-f.htm   iXBRL 20-F 4671969
2 EX-12.1 ex12-1.htm EX-12.1 12135
3 EX-12.2 ex12-2.htm EX-12.2 12560
4 EX-13.1 ex13-1.htm EX-13.1 6672
5 EX-13.2 ex13-2.htm EX-13.2 6701
6 EX-23.1 ex23-1.htm EX-23.1 5286
7 GRAPHIC form20-f_001.jpg GRAPHIC 166789
8 GRAPHIC form20-f_002.jpg GRAPHIC 96479
9 GRAPHIC form20-f_003.jpg GRAPHIC 28964
10 GRAPHIC form20-f_004.jpg GRAPHIC 31287
11 GRAPHIC form20-f_005.jpg GRAPHIC 67128
12 GRAPHIC form20-f_006.jpg GRAPHIC 46867
13 GRAPHIC form20-f_007.jpg GRAPHIC 150167
14 GRAPHIC form20-f_008.jpg GRAPHIC 15705
15 GRAPHIC form20-f_009.jpg GRAPHIC 25366
16 GRAPHIC form20-f_010.jpg GRAPHIC 21091
17 GRAPHIC form20-f_011.jpg GRAPHIC 134820
18 GRAPHIC form20-f_012.jpg GRAPHIC 31150
19 GRAPHIC form20-f_013.jpg GRAPHIC 340690
20 GRAPHIC form20-f_014.jpg GRAPHIC 9801
21 GRAPHIC form20-f_015.jpg GRAPHIC 4032
22 GRAPHIC form20-f_016.jpg GRAPHIC 6408
23 GRAPHIC form20-f_017.jpg GRAPHIC 9977
24 GRAPHIC form20-f_018.jpg GRAPHIC 6891
25 GRAPHIC form20-f_019.jpg GRAPHIC 7969
26 GRAPHIC form20-f_020.jpg GRAPHIC 4657
27 GRAPHIC form20-f_021.jpg GRAPHIC 6295
28 GRAPHIC form20-f_022.jpg GRAPHIC 5434
29 GRAPHIC form20-f_023.jpg GRAPHIC 6815
30 GRAPHIC form20-f_024.jpg GRAPHIC 2242
31 GRAPHIC form20-f_025.jpg GRAPHIC 1793
32 GRAPHIC form20-f_026.jpg GRAPHIC 4694
33 GRAPHIC form20-f_027.jpg GRAPHIC 7552
34 GRAPHIC form20-f_028.jpg GRAPHIC 3172
35 GRAPHIC form20-f_029.jpg GRAPHIC 5038
36 GRAPHIC form20-f_030.jpg GRAPHIC 3125
37 GRAPHIC form20-f_031.jpg GRAPHIC 7948
38 GRAPHIC form20-f_033.jpg GRAPHIC 62675
39 GRAPHIC form20-f_034.jpg GRAPHIC 15002
40 GRAPHIC form20-f_032.jpg GRAPHIC 3247
41 GRAPHIC ex23-1_001.jpg GRAPHIC 18637
42 GRAPHIC ex23-1_002.jpg GRAPHIC 4281
  Complete submission text file 0001493152-26-019802.txt   22512733

Data Files

Seq Description Document Type Size
43 XBRL SCHEMA FILE ymat-20251231.xsd EX-101.SCH 127567
44 XBRL CALCULATION FILE ymat-20251231_cal.xml EX-101.CAL 136554
45 XBRL DEFINITION FILE ymat-20251231_def.xml EX-101.DEF 350784
46 XBRL LABEL FILE ymat-20251231_lab.xml EX-101.LAB 710508
47 XBRL PRESENTATION FILE ymat-20251231_pre.xml EX-101.PRE 599144
203 EXTRACTED XBRL INSTANCE DOCUMENT form20-f_htm.xml XML 4863600
Mailing Address 7/F-1, NO. 633, SEC. 2, TAIWAN BLVD. XITUN DISTRICT TAICHUNG CITY 407 F4 40759
Business Address 7/F-1, NO. 633, SEC. 2, TAIWAN BLVD. XITUN DISTRICT TAICHUNG CITY 407 F4 40759 886 423229900
J-Star Holding Co., Ltd. (Filer) CIK: 0001875016 (see all company filings)

EIN.: 000000000
Type: 20-F | Act: 34 | File No.: 001-42767 | Film No.: 26921263
SIC: 3949 Sporting & Athletic Goods, NEC
(CF Office: 04 Manufacturing)