Updated: May 19, 2026

Donald A. McCunniff

MLMMARTIN MARIETTA MATERIALS INCSEC CIK: 0001355849
Estimated Net Worth
$19.8 Million
Last Updated: May 19, 2026 11:17 PM EST

Transaction Summary

Total Transactions51
Buy-Sell Ratio0.68
Buy Transactions19
Sell Transactions28

Transaction Volume

Total Volume$5.56M
Net Volume-$5.16M
Buy Volume$204.23K
Sell Volume$5.36M

Trade Analysis

AVG Trade Size$109.11K
Largest Trade$975.03K
Most Active MonthFeb
Most Active Year2018

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Donald A. McCunniff has an estimated net worth of $19.8 Million. This is based on reported shares across multiple companies, which include MARTIN MARIETTA MATERIALS INC, ARMSTRONG WORLD INDUSTRIES INC, and ARMSTRONG HOLDINGS INC /PA/.



2013 was Donald A. McCunniff's most active year for acquiring shares with 4 total transactions. Donald A. McCunniff's most active month to acquire stocks was the month of January. 2018 was Donald A. McCunniff's most active year for disposing of shares, totalling 10 transactions. Donald A. McCunniff's most active month to dispose stocks was the month of January. 2025 saw Donald A. McCunniff paying a total of $205,900.56 for 2,875 shares, this is the most they've acquired in one year. In 2018 Donald A. McCunniff cashed out on 11,409 shares for a total of $2,045,199.36, their largest year based on trade value.

Holdings & Transactions

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