# Filing Detail

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)