MLM
MARTIN MARIETTA MATERIALS INCC5515-min delayed · EOD close514.77 +1.15% upas of 2026-09-04mkt cap $30.9B
Mining & Quarrying of Nonmetallic Minerals (No Fuels) · SIC 1400 · CIK 0000916076
Who’s trading MLM
Corporate insiders on Form 4, House members under the STOCK Act, and the funds reporting a position in their 13F.
Corporate insiders
none
no Form 4 filings on record
Congress
7 buys · 2 sells
$81K bought · $408K sold, at range midpoints
Funds holding
2 filers
$35.0M reported
The counts above are free. Who they are, and what each of them traded, is part of Pro — see what it includes.
Form 4 insider trades are exact and filed within two business days. Congressional figures are range midpoints disclosed up to 45 days after the trade, and 13F positions are a quarter-end snapshot. All three are a record of what was disclosed, not a signal.