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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Martin Marietta Materials, Inc.

Martin Marietta Materials, Inc.MLM

NYSEBasic MaterialsConstruction Materials$583.75-0.62%

A major U.S. supplier of aggregates, cement, ready-mixed concrete, and asphalt used in infrastructure, residential, and commercial construction. The company operates quarries and distribution networks across key growth markets, supplying materials for highways, public works, and private development....

Market Cap: $35.2B52W Range: $441.95 – $710.97

Congressional Interest in Martin Marietta Materials, Inc. (MLM)

6 members of Congress have disclosed 13 trades in Martin Marietta Materials, Inc. (MLM), a Basic Materials company. The buy/sell breakdown shows 5 purchases versus 8 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
13
Unique Politicians
6
Buys
5
Sells
8

Who in Congress Is Trading MLM?

DatePoliticianTypeAmountSecurity
2017-08-23JOHN K. DELANEYbuy$1K – $15KStock
2017-08-21JOHN K. DELANEYbuy$1K – $15KStock

Related

All stocks traded by CongressFull trade feedMost active tradersAbout the STOCK ActReport missing trade
2017-01-06JAMES B. RENACCIsell$50K – $100KStock
2016-07-08MICHAEL T. MCCAULsell$50K – $100KStock
2016-04-15MICHAEL T. MCCAULsell$1K – $15KStock
2016-04-13MICHAEL T. MCCAULsell$1K – $15KStock
2015-12-08MICHAEL T. MCCAULsell$1K – $15KStock
2015-06-30DAN BENISHEKsell$15K – $50KStock
2015-06-09MICHAEL T. MCCAULsell$1K – $15KStock
2015-04-04DAN BENISHEKbuy$1K – $15KStock
2015-02-27JAMES B. RENACCIbuy$1K – $15KStock
2015-02-09K. Michael Conawaybuy$1K – $15KStock
2007-08-09DAVE CAMPsell$1K – $15KStock
JOHN K. DELANEYbuy
2017-08-23$1K – $15K
Stock
JOHN K. DELANEYbuy
2017-08-21$1K – $15K
Stock
JAMES B. RENACCIsell
2017-01-06$50K – $100K
Stock
MICHAEL T. MCCAULsell
2016-07-08$50K – $100K
Stock
MICHAEL T. MCCAULsell
2016-04-15$1K – $15K
Stock
MICHAEL T. MCCAULsell
2016-04-13$1K – $15K
Stock
MICHAEL T. MCCAULsell
2015-12-08$1K – $15K
Stock
DAN BENISHEKsell
2015-06-30$15K – $50K
Stock
MICHAEL T. MCCAULsell
2015-06-09$1K – $15K
Stock
DAN BENISHEKbuy
2015-04-04$1K – $15K
Stock
JAMES B. RENACCIbuy
2015-02-27$1K – $15K
Stock
K. Michael Conawaybuy
2015-02-09$1K – $15K
Stock
DAVE CAMPsell
2007-08-09$1K – $15K
Stock
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