Delisting risk
J-Star
Carbon-composite bicycle and racket supplier expanding into brands and technical services.
$1.98
After-hours close+0.12 (+6.45%)
At close$1.86(−2.36%)
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Breakdown13F · Form 4
Institutions 0.60%16.8K sharesInsiders 51.80%1.45M sharesOther 47.60%1.33M shares
Shares outstanding 2.79M · Float 671.9K · 24.1% free float
Institutions13F, as of Sep 30, 2025
2 holders · 16.8K shares · 2 new positions · 2 increased · 0 reduced · 0 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Citadel Advisors LLC | 13.7K | 0.49% | +13.7Knew | Nov 14, 2025 |
| Two Sigma Securities, LLC | 3.1K | 0.11% | +3.1Knew | Nov 14, 2025 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Jing-Bin Chiang | director, 10 percent owner, other: Chairman | 1.22M | 43.70% | Mar 18, 2026 |
| New Moon Corp | 10 percent owner | 977.6K | 35.03% | Mar 18, 2026 |
| Ching-Chou Huang | director | 48.0K | 1.72% | Mar 18, 2026 |
| Ping-Hong Lin | director | 48.0K | 1.72% | Mar 18, 2026 |
| Ting-Pang Sung | director | 48.0K | 1.72% | Mar 18, 2026 |
| Shen-Huei Wang | director | 48.0K | 1.72% | Mar 18, 2026 |
| Van Sam | officer: CEO | 34.2K | 1.23% | Mar 18, 2026 |
1 ten-percent owner holds 977.6K shares by Form 4, outside the officers-and-directors figure above
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.