MasterBeef Group (MB) has 6 known insider and institutional holders on record. The largest holder is Chau Oi Yee with 9,016,875 shares. Other notable holders include Chau Oi Wai and Institutional Venture Partners XIII, L.P..
Over the last 12 months, insiders have made 8 transactions in MB stock — 0 buys (valued at RSU Award) and 0 sells (valued at RSU Award).
MB Insider Ownership
Top Holder
Chau Oi Yee
9,016,875 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 |
Chau Oi Yee |
10 Percent Owner |
9,016,875 |
2026-03-19 |
|
| 2 |
Chau Oi Wai |
10 Percent Owner |
9,016,875 |
2026-03-24 |
|
| 3 |
Institutional Venture Partners Xiii, L.p. |
10 Percent Owner |
1,602,682 |
2017-03-17 |
|
| 4 |
Levine Jeremy S. |
Director |
112,262 |
2017-06-13 |
|
| 5 |
Smith Graham |
Director |
34,596 |
2018-05-18 |
|
| 6 |
Christie Katherine Blair |
Director |
24,596 |
2018-05-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-18 |
Leung Lok Ming |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Cheng Chung Fan |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Chau Oi Wai |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2026-03-18 |
Lam Ka Chun |
Chief Executive Officer |
Unknown |
- |
- |
- |
| 2026-03-18 |
Lee Shing Yan |
Chief Operating Officer |
Unknown |
- |
- |
- |
| 2026-03-18 |
Chan Hiu Wa |
Director |
Unknown |
- |
- |
- |
| 2026-03-19 |
Chau Oi Yee |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2026-03-16 |
Lam Yin Yam |
Chief Financial Officer |
Unknown |
- |
- |
- |
