Insider Trading for MB
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
No insider transactions in the past 3 months.
Key Insider Activity: Jun 24, 2015 to Mar 19, 2026
Bessemer Venture Partners VII L.P.
DirectorDirector, 10 Percent Owner:
-5.4M shares
40 transactions
SMITH GRAHAM
DirectorDirector
-70.0K shares
7 transactions
Christie Katherine Blair
DirectorDirector
-60.0K shares
5 transactions
Levine Jeremy S.
DirectorDirector
+15.0K shares
32 transactions
So Tsz Kiu
DirectorDirector, 10 Percent Owner:
0 shares
1 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | Chau Oi Yee | DDirector, 10 Percent Owner: | Unknown | 0 | $0.00 | $0.00 | 9.0M | View |
| Mar 18, 2026 | So Tsz Kiu | DDirector, 10 Percent Owner: | Unknown | 0 | $0.00 | $0.00 | 3.4M | View |
| Mar 18, 2026 | Liu Man Fai Danny | DDirector | Unknown | 0 | $0.00 | $0.00 | 0 | View |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 18, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Feb 15, 2019 | Locked | — | — | — | — | — | — | — |
Feb 15, 2019 | Locked | — | — | — | — | — | — | — |
Feb 15, 2019 | Locked | — | — | — | — | — | — | — |
Feb 15, 2019 | Locked | — | — | — | — | — | — | — |
May 17, 2018 | Locked | — | — | — | — | — | — | — |
May 17, 2018 | Locked | — | — | — | — | — | — | — |
Jun 14, 2017 | Locked | — | — | — | — | — | — | — |
Jun 14, 2017 | Locked | — | — | — | — | — | — | — |
Jun 12, 2017 | Locked | — | — | — | — | — | — | — |
Mar 31, 2017 | Locked | — | — | — | — | — | — | — |
Mar 15, 2017 | Locked | — | — | — | — | — | — | — |
Mar 15, 2017 | Locked | — | — | — | — | — | — | — |
Feb 14, 2017 | Locked | — | — | — | — | — | — | — |
Dec 31, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 10, 2016 | Locked | — | — | — | — | — | — | — |
Nov 9, 2016 | Locked | — | — | — | — | — | — | — |
Nov 9, 2016 | Locked | — | — | — | — | — | — | — |
Nov 9, 2016 | Locked | — | — | — | — | — | — | — |
Nov 8, 2016 | Locked | — | — | — | — | — | — | — |
Nov 8, 2016 | Locked | — | — | — | — | — | — | — |
Nov 8, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 7, 2016 | Locked | — | — | — | — | — | — | — |
Nov 3, 2016 | Locked | — | — | — | — | — | — | — |
Nov 3, 2016 | Locked | — | — | — | — | — | — | — |
Nov 3, 2016 | Locked | — | — | — | — | — | — | — |
Sep 30, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 26, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 22, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 5, 2016 | Locked | — | — | — | — | — | — | — |
Jun 30, 2016 | Locked | — | — | — | — | — | — | — |
Jun 10, 2016 | Locked | — | — | — | — | — | — | — |
Jun 10, 2016 | Locked | — | — | — | — | — | — | — |
Jun 10, 2016 | Locked | — | — | — | — | — | — | — |
May 24, 2016 | Locked | — | — | — | — | — | — | — |
May 24, 2016 | Locked | — | — | — | — | — | — | — |
May 24, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 11, 2016 | Locked | — | — | — | — | — | — | — |
May 5, 2016 | Locked | — | — | — | — | — | — | — |
May 5, 2016 | Locked | — | — | — | — | — | — | — |
May 5, 2016 | Locked | — | — | — | — | — | — | — |
Aug 12, 2015 | Locked | — | — | — | — | — | — | — |
Aug 11, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Jun 24, 2015 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of MB stock, though this may be part of planned diversification.