Insider trades

Plaumann Mark Lawrence

Plaumann Mark Lawrence made 1 buy and 2 sales on the open market in the last 12 months at Mammoth Energy Services, Inc. and Diamondback Energy, Inc. Each trade with the role, price and filing.

DateCompanyTradeSharesPrice
Sep 16, 2026Mammoth Energy Services, Inc.Buy5,000US$3
Aug 21, 2026Diamondback Energy, Inc.Sale1,000US$211
Jun 9, 2026Diamondback Energy, Inc.Sale500US$197