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Martin Marietta Materials, Inc.

MLM · Basic Materials · Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials…

Martin Marietta Materials, Inc. (MLM), in the Basic Materials sector, has 7 disclosed filings on Paydirt over the trailing twelve months from 3 members of Congress: 5 purchases and 3 sales. Filers took a median of 19 days from execution to disclosure, and the most recent trade was executed Aug 25 and filed Sep 9. The most active filer was April McClain Delaney with 6 filings.

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Filings, ttm
7
5 buys · 3 sells
Traders, ttm
3
3 congress
Volume, ttmiDollar value disclosed in the window
$496K
estimated for Congress, as filed for insiders
Median delay
19d
execution to disclosure
Last traded
Aug 25
Filed Sep 9
ADViAverage daily dollar volume
$340.2M
market data
Share price · 12M
$497 (-19.4%)
$705$601$497Sep 22 2025Mar 20Sep 16

Adjusted for splits and dividends.

Volume by month
$645K$322K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2025 · buys $250KMar 2025 · sells $633KAug 2025 · buys $8KAug 2025 · sells $645KSep 2025 · buys $8KSep 2025 · sells $8KOct 2025 · sells $8KJan 2026 · buys $8KApr 2026 · buys $8KMay 2026 · sells $33KJun 2026 · buys $8KAug 2026 · buys $49KSep 2026 · buys $8KSep 2026 · sells $375K
Buys $346K Sells $1.7M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
AD April McClain Delaney Representative (Dependent) 6 filings VH Valerie Hoyle Representative (Spouse) 2 filings JG Josh Gottheimer Representative (Joint) 1 filing LM Lisa McClain Representative (Spouse) 1 filing DM Donald A. McCunniff EVP and CHRO 1 filing LP Laree E Perez Director 1 filing MP Michael J Petro SVP - Strategy and Development 1 filing
Recent filings
April McClain DelaneyPURCHASE Representative (Dependent) $8K
$1K–15K bracket
Exec Aug 19
Filed Sep 9 April McClain DelaneySALE Representative (Dependent) $375K
$250K–500K bracket
Exec Aug 25
Filed Sep 9 April McClain DelaneyPURCHASE Representative (Dependent) $49K
3 lots · $17K–80K bracket
Exec Jul 17
Filed Aug 3 April McClain DelaneyPURCHASE Representative (Dependent) $8K
$1K–15K bracket
Exec May 28
Filed Jun 5 Josh GottheimerSALE Representative (Joint) $33K
$15K–50K bracket
Exec Apr 9
Filed May 19 April McClain DelaneyPURCHASE Representative (Dependent) $8K
$1K–15K bracket
Exec Mar 9
Filed Apr 6 April McClain DelaneyPURCHASE Representative (Dependent) $8K
$1K–15K bracket
Exec Dec 2 2025
Filed Jan 5 Valerie HoyleSALE Representative (Spouse) $8K
$1K–15K bracket
Exec Sep 23 2025
Filed Oct 10 2025 Valerie HoylePURCHASE Representative (Spouse) $8K
$1K–15K bracket
Exec Oct 29 2024
Filed Sep 12 2025 † April McClain DelaneySALE Representative (Dependent) $8K
$1K–15K bracket
Exec Aug 1 2025
Filed Sep 2 2025 Lisa McClainPURCHASE Representative (Spouse) $8K
$1K–15K bracket
Exec Dec 11 2024
Filed Aug 13 2025 † Lisa McClainSALE Representative (Spouse) $8K
$1K–15K bracket
Exec Jun 10 2025
Filed Aug 13 2025 † Laree E PerezSALE Director $637K
1,038 sh × $613.32
Exec Aug 8 2025
Filed Aug 11 2025 · 5:30 PM ET Donald A. McCunniffSALE EVP and CHRO $633K
1,332 sh × $475.00
Exec Mar 5 2025
Filed Mar 6 2025 · 5:30 PM ET Michael J PetroPURCHASE SVP - Strategy and Development $250K
550 sh × $454.37
Exec Mar 4 2025
Filed Mar 5 2025 · 5:30 PM ET