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Martin Marietta Materials Inc (New York Stock Exchange:MLM)
US · Delayed Price · Currency is USD
507.07-0.10 (-0.02%)
Insider Score
––Not scored
MLM Insider Score
Insiders here have filed 6 Form 4s in the last 90 days, but all of them are share awards, grants or other non-market transactions. Those are compensation, not a decision to buy, so they are not scored.
Congress Trading
Recent trades of MLM by members of U.S. Congress
| Politician | Type | Traded |
|---|---|---|
| Ro KhannaHouse / D | Purchase$1.00K – $15.00K | Sep 11, 2026 |
| April DelaneyHouse / D | Sale$250.00K – $500.00K | Aug 25, 2026 |
| April DelaneyHouse / D | Purchase$1.00K – $15.00K | Aug 19, 2026 |
| Josh GottheimerHouse / D | Sale$15.00K – $50.00K | Apr 9, 2026 |
| Michael T. McCaulHouse / R | Sale$1.00K – $15.00K | Oct 27, 2025 |
| Michael T. McCaulHouse / R | Sale$1.00K – $15.00K | Jun 16, 2025 |
| Michael T. McCaulHouse / R | Purchase$15.00K – $50.00K | Mar 17, 2025 |
| Daniel Scott SullivanSenate / R | Sale$1.00K – $15.00K | Nov 30, 2022 |
Corporate Lobbying
Government lobbying spending instances
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Source: U.S. Senate LDA
Corporate Lobbying
MLM Estimated quarterly lobbying spending
Source: U.S. Senate LDA
U.S. Patents
New MLM patent grants
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Source: USPTO Open Data Portal
Government Contracts
Estimated quarterly amount awarded to MLM from public contracts
Source: USAspending.gov
Recently reported changes in MLM holdings by institutional investors
Scanning latest 13F filings…
Latest 0 13F filings · Source: SEC EDGAR
View all institutional owners →Congressional Trades
U.S. House and Senate disclosures referencing MLM, reported under the STOCK Act.
| Politician | Chamber | Action | Amount | Date |
|---|---|---|---|---|
RK | House | Buy | $1.00K – $15.00K | Sep 11, 2026 |
| House | Sell | $250.00K – $500.00K | Aug 25, 2026 | |
| House | Buy | $1.00K – $15.00K | Aug 19, 2026 | |
| House | Sell | $15.00K – $50.00K | Apr 9, 2026 | |
| House | Sell | $1.00K – $15.00K | Oct 27, 2025 | |
| House | Sell | $1.00K – $15.00K | Jun 16, 2025 | |
| House | Buy | $15.00K – $50.00K | Mar 17, 2025 | |
| Senate | Sell | $1.00K – $15.00K | Nov 30, 2022 | |
| House | Sell | $50.00K – $100.00K | Nov 7, 2018 | |
| House | Buy | $50.00K – $100.00K | Oct 15, 2018 | |
| House | Buy | $15.00K – $50.00K | Oct 2, 2018 | |
| House | Buy | $15.00K – $50.00K | Oct 1, 2018 | |
| House | Sell | $15.00K – $50.00K | Sep 24, 2018 |
Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.