| Politician | Action | Description | Traded |
|---|---|---|---|
| Buy | MARTIN MARIETTA MATERIALS, I | Jun 5, 2026 | |
| Buy | MARTIN MARIETTA MATERIALS, I | Jun 2, 2026 | |
| Buy | Martin Marietta Materials, I | May 28, 2026 | |
| Sell | Martin Marietta Materials, I | Apr 9, 2026 | |
| Buy | Martin Marietta Materials, I | Mar 9, 2026 | |
| Buy | MARYLAND DEPT TRANSPORT CMN | Dec 10, 2025 | |
| Buy | Martin Marietta Materials, I | Dec 2, 2025 | |
| Sell | Martin Marietta Materials, I | Sep 23, 2025 | |
| Sell | MARTIN MARIETTA MATERIALS | Aug 21, 2025 | |
| Sell | Martin Marietta Materials, I | Aug 1, 2025 |
This page tracks congressional stock trading activity in Martin Marietta Materials, Inc. (MLM) in the Basic Materials sector. Disclosed Capitol has indexed 82 disclosed congressional trades involving MLM. Every trade is sourced from official STOCK Act financial disclosure filings — the same primary records the Senate and House are required to publish. The full trade list with politician names, transaction types, amount ranges, and disclosure dates is below, alongside cross-references to any related lobbying activity, federal contracts, and committee assignments.
As of July 2026 — Disclosed Capitol has tracked 82 disclosed congressional trades in Martin Marietta Materials, Inc. (MLM) — 39:29 buy-heavy ratio — led by Ro Khanna (D).
| Date | Politician | Party | Action | Amount |
|---|---|---|---|---|
| 2026-06-05 | Ro Khanna | D | Buy | $1,001 - $15,000 |
| 2026-06-02 | Ro Khanna | D | Buy | $1,001 - $15,000 |
| 2026-05-28 | April McClain Delaney | D | Buy | $1,001 - $15,000 |
| 2026-04-09 | Josh Gottheimer | D | Sell | $15,001 - $50,000 |
| 2026-03-09 | April McClain Delaney | D | Buy | $1,001 - $15,000 |
| 2025-12-10 | Ro Khanna | D | Purchase | $1,001 - $15,000 |
| 2025-12-02 | April McClain Delaney | D | Buy | $1,001 - $15,000 |
| 2025-09-23 | Valerie Hoyle | D | Sale | $1,001 - $15,000 |
| 2025-08-21 | Michael McCaul | R | Sale | $1,001 - $15,000 |
| 2025-08-01 | April McClain Delaney | D | Sale | $1,001 - $15,000 |
Across the 82 disclosed congressional trades in Martin Marietta Materials, Inc. (MLM), members of Congress have reported 39 buys and 29 sells. The average 30-day alpha vs. the S&P 500 is 0.52%.