Michael L. Hollis

Michael L. Hollis buys almost as much as selling: 27 purchases for EUR 14,198,644 (median EUR 47,547) and 29 sales for EUR 9,873,153 (median EUR 149,359), which puts purchases at 48% of open-market trades. The largest purchase, EUR 10,706,327, dates from July 19, 2023 at HighPeak Energy, Inc.; next come EUR 896,786 on November 21, 2022 and EUR 628,584 on December 6, 2022, in the same company.

The largest sales are at Diamondback Energy, Inc.: EUR 1,490,999 on February 21, 2017, EUR 1,054,200 on December 22, 2017 and EUR 1,048,838 on February 16, 2018.

The record counts 78 filings, published from January 21, 2016 to January 9, 2026, across four companies. Purchases concentrate at HighPeak Energy, Inc. (13 purchases), Viper Energy Partners LP (8) and Pure Acquisition Corp. (5). It also holds 19 share grants. 2017 is the busiest year with 16 filings. For 10 purchases with a stored 90-day result, the median is 19.1% and 80% are positive (stored results, not a forecast).

20, 18 and 15 trades by Hollis fall within 30 days of colleagues at Diamondback Energy, Inc., in that order. All in the same direction. The colleagues, in the same order: Russell Pantermuehl, Teresa L. Dick and Paul Molnar.