Donald A. Mc Cunniff Martin Marietta Materials Inc (MLM) insider trading activity

MLM Quotes by TradingView

Donald A. Mc Cunniff is EVP and CHRO of MARTIN MARIETTA MATERIALS INC. Currently has a direct ownership of 3,473 shares of MLM, which is worth approximately $2.07 Million. The most recent transaction as insider was on Dec 16, 2025, when has been sold 50 shares (Common Stock) at a price of $629.49 per share, resulting in proceeds of $31,474. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 3.47K
1.42% 3M change
n/a 12M change
Total Value Held $2.07 Million

Donald A. McCunniff Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 16 2025
SELL
Payment of exercise price or tax liability
$31,474 $629.49 p/Share
50 Reduced 1.42%
3,473 Common Stock
Mar 05 2025
SELL
Open market or private sale
$632,700 $475.0 p/Share
1,332 Reduced 27.44%
3,523 Common Stock
Mar 05 2025
BUY
Exercise of conversion of derivative security
$205,900 $154.58 p/Share
1,332 Added 21.53%
4,855 Common Stock
Feb 21 2025
BUY
Grant, award, or other acquisition
-
1,543 Added 30.46%
3,523 Common Stock
DAM

Donald A. Mc Cunniff

EVP and CHRO
Raleigh, NC

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