William George Brumder
CIK: 0002075341
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (100.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GPRO
GoPro, Inc.
10% Owner
Discretionary Trading P&L
Holdings
About Brumder William George
Brumder William George (SEC CIK 0002075341) files insider reports with the SEC as 10% Owner of GoPro, Inc. (GPRO).
Signal8 holds 2 ownership filings by Brumder William George (1 Form 3, 1 Form 4), filed on Sep 26, 2025. Those filings report 1 transaction, the latest on Sep 19, 2025. Signal8's Form 4 history starts in Sep 2024.
The business address on Brumder William George's filings is in NEW YORK, NY.
Recent filings by Brumder William George
- Sep 19, 2025: Open-market sale of GPRO shares (Form 4, code S).
Other insiders filing for GoPro, Inc. (GPRO)
- Stephen Jason Christopher, SVP, General Counsel
- Tratt Brian Robert, SVP, Chief Financial Officer
- Lafrades Charles, Chief Accounting Officer
- Woodman Nicholas, CEO, Chairman of the Board
- DENNISON MICHAEL C., Director
- Kahng Shaz, Director