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ISSUER PROFILE · CIK 0000916076 · CUSIP 573284106

Martin Marietta Materials IncMLM

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE 13D
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.67
as of 2026-07-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2026-08-24 SCHEDULE 13D LNA Holding SRL 15.40% 10,953,543 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-31 2,380,633 3.67 -2.7%
2026-07-15 2,445,770 4.22 +9.7%
2026-06-30 2,229,187 3.02 +3.2%
2026-06-15 2,160,946 4.27 -2.5%
2026-05-29 2,215,305 3.36 +33.1%
2026-05-15 1,664,180 3.47 +15.6%
2026-04-30 1,439,413 2.76 -14.2%
2026-04-15 1,677,013 4.96 -11.3%
2026-03-31 1,890,998 3.37 +9.7%
2026-03-13 1,723,193 2.63 -3.6%
2026-02-27 1,788,257 2.99 +9.6%
2026-02-13 1,632,050 2.74 -22.8%

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