InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
T+90 hit rate
67%
T+90 mean return
+1.2%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Plaumann Mark Lawrence, Director. Director active across 1 company, notably Diamondback Energy, Inc.. Aggregated, 10 filings have been published. Split: 0 buy · 1 sell. History available since 3 June 2021. The latest transaction was filed on 20 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Declarations10 total
500 sharesCommon StockSEC:0001539838-26-000128:0
982 shares0Common StockSEC:0001539838-26-000110:0
1,417 shares0Common StockSEC:0001539838-25-000103:0
100 shares0Common StockSEC:0001539838-24-000215:0
11,724 shares0Common StockSEC:0001539838-24-000206:0
1,035 shares0Common StockSEC:0001539838-24-000132:0
1,527 shares0Common StockSEC:0001539838-23-000083:0
1,274 shares0Common StockSEC:0001539838-22-000097:0
2,435 shares0Common StockSEC:0001539838-21-000090:0
2,435 shares0Common StockSEC:0001539838-21-000090
10 of 10 declarations
About Plaumann Mark Lawrence
Plaumann Mark Lawrence is a Board Member at Diamondback Energy, Inc. He contributes to the governance of the company by providing strategic advice and overseeing development initiatives.
