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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 MaterialsBuilding Materials$583.75-0.62%

A leading supplier of heavy building materials, including aggregates, cement, and ready-mixed concrete, primarily serving infrastructure and commercial construction markets. The company is closely watched by investors as a bellwether for construction activity and infrastructure spending trends.

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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