InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
60%
T+90 mean return
-4.3%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Randolph Diane, Director. Officer active across 3 companies, notably Core-Mark Holding Company, LLC. Cumulatively, 9 reports have been logged. History available since 16 September 2021. The latest transaction was disclosed on 1 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Declarations9 total
1,398 sharesCommon StockSEC:0000935703-26-000082:0
1,238 shares@ US$121.150.0007% mcap100.0% of flowCommon StockSEC:0000935703-26-000082:1
2,172 shares0Common StockSEC:0000895447-24-000040:0
3,653 shares0Common StockSEC:0000895447-23-000051:0
3,317 shares0Common StockSEC:0000895447-22-000050:0
540 shares0Common StockSEC:0001179110-21-008857:0
540 shares0Common StockSEC:0001179110-21-008857
3,975 sharesCore-Mark Common StockSEC:0001214659-21-009258
3,975 sharesCore-Mark Common StockSEC:0001214659-21-009258:0
9 of 9 declarations
About Randolph Diane
Diane Randolph is a Director at Core-Mark Holding Company, LLC and Shoe Carnival Inc. She contributes to the governance and strategy of these companies. Her experience in the distribution sector is an asset to the organization.
