Mark A. Vander Ploeg - Insider Trading & Ownership

Entity
Individual
Location
866 Hermosa Way, Menlo Park, CA
All Insider Reports
All Insider Reports

Ownership of Mark A. Vander Ploeg

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
DWSN DAWSON GEOPHYSICAL CO Director Jan 18, 2022

Insider Transactions Reported by Mark A. Vander Ploeg:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.