STAK Inc. Ordinary Shares (STAK) has 6 known insider and institutional holders on record. The largest holder is Jiang Chuanbo with 7,700,000 shares. Other notable holders include Gao Huyun and WONISH ROBERT G.
Over the last 12 months, insiders have made 7 transactions in STAK stock — 0 buys (valued at RSU Award) and 0 sells (valued at RSU Award).
STAK Insider Ownership
Top Holder
Jiang Chuanbo
7,700,000 shares
Buys (12 mo)
0
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Jiang Chuanbo |
10 Percent Owner, Officer: Chief Executive Officer |
7,700,000 |
2026-03-17 |
|
| 2 |
Gao Huyun |
10 Percent Owner, Officer: Chief Operating Officer |
1,500,000 |
2026-03-17 |
|
| 3 |
Wonish Robert G |
Director |
470,000 |
2015-09-28 |
|
| 4 |
Mikel Steven H. |
Chief Executive Officer |
300,000 |
2015-09-03 |
|
| 5 |
Patterson William Kirk |
Sr. Vice President and CFO |
12,936 |
2008-02-11 |
|
| 6 |
Aragona Joseph C |
10 Percent Owner |
85 |
2004-02-05 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-17 |
Beekmans Johannes Antonius Gerardus |
Director |
Unknown |
- |
- |
- |
| 2026-03-17 |
Hu Yiqin |
Director |
Unknown |
- |
- |
- |
| 2026-03-17 |
Xu Ke Dennis |
Officer |
Unknown |
- |
- |
- |
| 2026-03-17 |
Li Diana |
Officer |
Unknown |
- |
- |
- |
| 2026-03-17 |
Xu Zhaohui Randall |
Director |
Unknown |
- |
- |
- |
| 2026-03-17 |
Gao Huyun |
10 Percent Owner, Officer: Chief Operating Officer |
Unknown |
- |
- |
- |
| 2026-03-17 |
Jiang Chuanbo |
10 Percent Owner, Officer: Chief Executive Officer |
Unknown |
- |
- |
- |
