Brumder William George - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-01
4:14 pm
Sale
2026-03-3113GTMC THE METALS CO INC
TMC
Brumder William George14,703,132
3.400%
-16,839,208decrease
(-53.39%)
Filing
History
2026-04-21
4:21 pm
Sale
2026-03-3113GGOPRO INC
GPRO
Brumder William George1,750,000
1.300%
-11,098,100decrease
(-86.38%)
Filing
History
2026-04-21
4:20 pm
Sale
2026-03-3113GPARAZERO TECHNOLOGIES LTD SHS
PRZO
Brumder William George0
0.000%
-1,640,264decrease
(Position Closed)
Filing
History
2026-04-21
4:20 pm
Sale
2026-03-3113GHORIZON AIRCRAFT LTD COM
HOVR
Brumder William George732,031
1.600%
-2,017,969decrease
(-73.38%)
Filing
History
2026-04-21
4:19 pm
Sale
2026-03-3113GODYSSEY MARINE EXPL INC NE
OMEX
Brumder William George100,000
0.200%
-2,570,300decrease
(-96.26%)
Filing
History
2025-11-28
1:00 pm
Purchase
2025-11-2513GTMC THE METALS CO INC
TMC
Brumder William George31,542,340
7.600%
10,474,559increase
(+49.72%)
Filing
History
2025-10-15
6:45 pm
Purchase
2025-10-1413GODYSSEY MARINE EXPL INC NE
OMEX
Brumder William George2,670,300
5.900%
2,670,300increase
(New Position)
Filing
History
2025-09-25
4:24 pm
Sale
2025-09-1613GTMC THE METALS CO INC
TMC
Brumder William George21,067,781
5.200%
-925,000decrease
(-4.21%)
Filing
History
2025-09-24
4:50 pm
Purchase
2025-09-1613GTMC THE METALS CO INC
TMC
Brumder William George21,992,781
5.400%
21,992,781increase
(New Position)
Filing
History
2025-08-28
4:01 pm
Purchase
2025-08-2713GGOPRO INC
GPRO
Brumder William George12,848,100
9.700%
1,694,955increase
(+15.20%)
Filing
History
2025-08-21
4:03 pm
Purchase
2025-08-0813GTRON INC.
TRON
Brumder William George1,336,536
4.000%
121,536increase
(+10.00%)
Filing
History
2025-08-21
4:02 pm
Purchase
2025-07-2913GPARAZERO TECHNOLOGIES LTD SHS
PRZO
Brumder William George1,640,264
9.600%
1,640,264increase
(New Position)
Filing
History
2025-08-21
4:01 pm
Purchase
2025-07-2213GGOPRO INC
GPRO
Brumder William George11,153,145
8.500%
11,153,145increase
(New Position)
Filing
History
2025-07-16
8:25 pm
Purchase
2025-07-1113GTRON INC.
TRON
Brumder William George1,215,000
6.800%
1,215,000increase
(New Position)
Filing
History
2025-07-02
4:09 pm
Purchase
2025-06-1313GHORIZON AIRCRAFT LTD COM
HOVR
Brumder William George2,750,000
8.600%
2,750,000increase
(New Position)
Filing
History