InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
40%
T+90 mean return
-0.2%
Across 5 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 KORALESKI JOHN J, Director. Officer active across 2 companies, notably MARTIN MARIETTA MATERIALS INC. Aggregated, 25 reports have been published. Activity tracked since 13 May 2021. The latest transaction was disclosed on 15 May 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations25 total
308 shares@ US$552.8614.9% of flowCommon StockSEC:0001127602-25-014638:0
96 shares@ US$483.144.4% of flowCommon StockSEC:0001127602-25-007378:0
78 shares@ US$600.004.4% of flowCommon StockSEC:0001127602-24-028331:0
87 shares@ US$534.164.1% of flowCommon StockSEC:0001127602-24-023327:0
81 shares@ US$572.804.2% of flowCommon StockSEC:0001127602-24-017471:0
293 shares@ US$581.6915.4% of flowCommon StockSEC:0001127602-24-015855:0
76 shares@ US$577.714.0% of flowCommon StockSEC:0001127602-24-007986:0
95 shares@ US$464.593.9% of flowCommon StockSEC:0001127602-23-028683:0
99 shares@ US$446.414.0% of flowCommon StockSEC:0001127602-23-023631:0
111 shares@ US$398.044.1% of flowCommon StockSEC:0001127602-23-017405:0
362 shares@ US$400.5713.0% of flowCommon StockSEC:0001127602-23-015349:0
122 shares@ US$359.874.1% of flowCommon StockSEC:0001127602-23-007968:0
120 shares@ US$366.484.2% of flowCommon StockSEC:0001127602-22-026679:0
127 shares@ US$347.414.3% of flowCommon StockSEC:0001127602-22-021875:0
130 shares@ US$339.380.0001% mcap21.3% of flowCommon StockSEC:0001127602-22-016374:0
443 shares0Common StockSEC:0001127602-22-014562:0
116 shares@ US$379.400.0001% mcap20.4% of flowCommon StockSEC:0001127602-22-007244:0
109 shares@ US$403.510.0001% mcap34.7% of flowCommon StockSEC:0001127602-21-030146
109 shares@ US$403.510.0001% mcap20.2% of flowCommon StockSEC:0001127602-21-030146:0
115 shares@ US$381.250.0001% mcap19.3% of flowCommon StockSEC:0001127602-21-024720:0
115 shares@ US$381.253.6% of flowCommon StockSEC:0001127602-21-024720
121 shares@ US$363.6532.2% of flowCommon StockSEC:0001127602-21-018571
121 shares@ US$363.650.0001% mcap18.7% of flowCommon StockSEC:0001127602-21-018571:0
388 shares0Common StockSEC:0001127602-21-016959
388 shares0Common StockSEC:0001127602-21-016959:0
25 of 25 declarations
About KORALESKI JOHN J
John J. Koraleski serves as a Board Member at Martin Marietta Materials Inc. He brings expertise in the construction materials sector. As a board member, John plays a key role in the strategic direction of the company, ensuring regulatory compliance and financial performance. His experience is valuable in guiding strategic decisions.
