🕵️ Zhengye Biotechnology Holding Ltd ($ZYBT)
SEC insider & ownership activity, last 12 months · CIK 1975641 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Securingium Holding Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Tset Holding Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Trident Trust Company (HK) Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Jiahe Developments Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Vanguards Skyline Holdings Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Changchun Feier Investment Center (LIMITED PARTNERSHIP) | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| VVAX Holdings Limited | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Jilin Zhengye Group Co., Ltd. | 90.7% | 13G | Feb 21, 2025 | filing ↗ | |
| Zhenfa Han | 90.7% | 13G | Feb 21, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| VVAX Holdings Limited | $1.8M | Nov 1, 2025 | filing ↗ |
| Vanguards Skyline Holdings Limited | $29.4M | Nov 1, 2025 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.