Mark Lawrence Plaumann, Director at Diamondback Energy, Inc. (FANG), sold 500 shares at $196.50 ($98K) on 2026-06-09, disclosed to the SEC on 2026-06-10.
Seasonal sale ($98k) by Director — this insider has traded FANG in June in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| FANG | SELL | 2017-05-25 | $102K | — | Filing → |
| FANG | SELL | 2017-02-21 | $204K | — | Filing → |
| FANG | SELL | 2015-09-16 | $197K | — | Filing → |