J-Star Holding Co. Ltd. (YMAT) - Insider Holders & Insider Ownership

List of insiders holdings for J-Star Holding Co. Ltd.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1Chiang Jing-Bin
Chairman
10% Owner
2026-03-18 09:01:081,209,091
4,888,092
6,097,183Form 3
2New Moon Corp
10% Owner
2026-03-18 09:01:094,888,092
0
4,888,092Form 3
3HUANG CHING-CHOU
Director
2026-03-18 09:01:06240,000
0
240,000Form 3
4LIN PING-HONG
Director
2026-03-18 09:01:10240,000
0
240,000Form 3
5SUNG TING-PANG
Director
2026-03-18 09:01:16240,000
0
240,000Form 3
6WANG SHEN-HUEI
Director
2026-03-18 09:01:14240,000
0
240,000Form 3
7Sam Van
CEO
2026-03-18 09:01:12171,129
0
171,129Form 3