InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
67%
T+90 mean return
-1.1%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Mains Stephanie K., Director. Director active across 3 companies, notably Diamondback Energy, Inc.. In total, 16 disclosures have been logged. Activity tracked since 3 June 2021. The latest transaction was filed on 20 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Declarations16 total
982 shares0Common StockSEC:0001539838-26-000114:0
1,417 shares0Common StockSEC:0001539838-25-000105:0
1,413 shares@ US$88.9621.1% of flowCommon StockSEC:0000763744-25-000088:0
6,701 shares0Ordinary SharesSEC:0001062993-25-004385:0
1,035 shares0Common StockSEC:0001539838-24-000133:0
1,357 shares@ US$110.8326.0% of flowCommon StockSEC:0000763744-24-000083:0
9,751 shares0Ordinary SharesSEC:0001062993-24-005747:0
1,527 shares0Common StockSEC:0001539838-23-000080:0
1,479 shares@ US$114.5329.5% of flowCommon StockSEC:0001593968-23-000867:0
9,567 shares0Ordinary SharesSEC:0001062993-23-005927:0
1,274 shares0Common StockSEC:0001539838-22-000096:0
1,045 shares@ US$105.690.0039% mcap83.3% of flowCommon StockSEC:0001593968-22-000999:0
199 shares@ US$116.690.0008% mcap16.7% of flowCommon StockSEC:0001593968-22-000718:0
7,931 shares0Ordinary SharesSEC:0001062993-22-006192:0
2,435 shares0Common StockSEC:0001539838-21-000089:0
2,435 shares0Common StockSEC:0001539838-21-000089
16 of 16 declarations
About Mains Stephanie K.
Mains Stephanie K. serves as a Board Member at Diamondback Energy, Inc., Gates Industrial Corp plc, and LCI INDUSTRIES. She brings expertise in corporate governance and operational strategy. As a board member, she contributes to strategic decision-making that fosters growth and innovation within these companies.
