13D/13G Filings - MAETZOLD DEREK J

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
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2022-02-11
4:01 pm
Sale
2021-12-31 13G Castle Biosciences, Inc.
CSTL
MAETZOLD DEREK J 1,022,068
4.000%
-633,207decrease
(-38.25%)
Filing
History
2021-02-16
9:44 pm
Sale
2020-12-31 13G Castle Biosciences, Inc.
CSTL
MAETZOLD DEREK J 1,655,275
6.620%
-297,940decrease
(-15.25%)
Filing
History