Mark Lawrence Plaumann, Director at Diamondback Energy, sold FANG on Jun 9, 2026
Data as of Oct 16
- Traded
- Jun 9, 2026
- Disclosed
- Jun 10, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
FANG since disclosure
+3.8%
after the sale
Similar stocks (XLE) since disclosure
+17.2%
XLE — its sector index fund
Change in closing price from Jun 10, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.