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AFTER HRS · 18:25 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

MLM

MARTIN MARIETTA MATERIALS INC
NYSE · MATERIALS · MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
508.40
+0.83 +0.16%
USD · close Oct 21

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MKT CAP $30.5BP/E 12.5DIV YIELD 0.65%FCF YIELD 2.65%REV TTM $6.7B +14.8%NET INCOME $2.5B +123.2%NET DEBT $5.8B52W 471.10 – 708.11SEC XBRL · TTM TO Invalid Date

Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-312.7M+444K4.51%620K4.4
2026-08-142.3M−118K3.77%480K4.7
2026-07-312.4M−65K3.96%649K3.7
2026-07-152.4M+217K4.07%579K4.2

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