John J. Koraleski

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Martin Marietta Materials Inc., 3 years.

3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Feb 28, 2025 Martin Marietta Materials Inc. Grant or award +96 $483.14 $46,381
Nov 29, 2024 Martin Marietta Materials Inc. Grant or award +78 $600.00 $46,800
Aug 30, 2024 Martin Marietta Materials Inc. Grant or award +87 $534.16 $46,472
May 31, 2024 Martin Marietta Materials Inc. Grant or award +81 $572.80 $46,397
May 16, 2024 Martin Marietta Materials Inc. Grant or award +293 $581.69 $170,435
Feb 29, 2024 Martin Marietta Materials Inc. Grant or award +76 $577.71 $43,906
Nov 30, 2023 Martin Marietta Materials Inc. Grant or award +95 $464.59 $44,136
Aug 31, 2023 Martin Marietta Materials Inc. Grant or award +99 $446.41 $44,195
May 31, 2023 Martin Marietta Materials Inc. Grant or award +111 $398.04 $44,182
May 11, 2023 Martin Marietta Materials Inc. Grant or award +362 $400.57 $145,006
Feb 28, 2023 Martin Marietta Materials Inc. Grant or award +122 $359.87 $43,904

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