The Martin Marietta Materials, Inc. line shows up 18 times in the congressional disclosure record between 2015 and 2026, filed by 8 members: 11 purchases against 7 sales. On balance the chamber has been net buyers, and the purchases sit down 7.0% against the latest close.
*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.
Reported a MLM purchase in filings from the last 90 days, newest first. 1 member.
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2026-07-24 | April McClain Delaney | BUY | $15K–$50K | $559.60 | $531.05 2026-08-28 | -5.1% |
| 2026-07-20 | April McClain Delaney | BUY | $1K–$15K | $553.62 | $531.05 2026-08-28 | -4.1% |
| 2026-07-17 | April McClain Delaney | BUY | $1K–$15K | $562.59 | $531.05 2026-08-28 | -5.6% |
| 2026-04-09 | Josh Gottheimer | SELL | $15K–$50K | $625.50 | $531.05 2026-08-28 | +15.1% exit |
| 2026-03-09 | April McClain Delaney | BUY | $1K–$15K | $612.52 | $531.05 2026-08-28 | -13.3% |
| 2025-12-02 | April McClain Delaney | BUY | $1K–$15K | $607.99 | $531.05 2026-08-28 | -12.7% |
| 2025-10-28 | Rohit Khanna | SELL | $1K–$15K | $616.84 | $531.05 2026-08-28 | +13.9% exit |
| 2025-10-27 | Michael T. McCaul | SELL | $1K–$15K | $616.84 | $531.05 2026-08-28 | +13.9% exit |
| 2025-08-01 | April McClain Delaney | SELL | $1K–$15K | $577.86 | $531.05 2026-08-28 | +8.1% exit |
| 2022-11-30 | Daniel S Sullivan | SELL | $1K–$15K | $366.48 | $531.05 2026-08-28 | -44.9% exit |
| 2022-11-30 | Daniel S Sullivan | SELL | $1K–$15K | $366.48 | $531.05 2026-08-28 | -44.9% exit |
| 2018-09-24 | Alan S. Lowenthal | SELL | $15K–$50K | $190.84 | $531.05 2026-08-28 | -10.1% rt |
| 2017-11-15 | Alan S. Lowenthal | BUY | $1K–$15K | $206.18 | $531.05 2026-08-28 | +157.6% |
| 2017-11-14 | Alan S. Lowenthal | BUY | $1K–$15K | $212.16 | $531.05 2026-08-28 | +150.3% |
| 2016-11-11 | RICHARD M BURR | BUY | $1K–$15K | $229.74 | $531.05 2026-08-28 | +131.2% |
| 2016-11-11 | RICHARD M BURR | BUY | $1K–$15K | $229.74 | $531.05 2026-08-28 | +131.2% |
| 2016-07-25 | Kenny Marchant | BUY | $1K–$15K | $198.69 | $531.05 2026-08-28 | +167.3% |
| 2015-01-22 | Kenny Marchant | BUY | $1K–$15K | $110.96 | $531.05 2026-08-28 | +378.6% |
Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.
8 members of the U.S. House and Senate have disclosed Martin Marietta Materials, Inc. transactions under the STOCK Act — 11 purchases and 7 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.
1 member disclosed a MLM purchase in the last 90 days — most recently April McClain Delaney on 2026-07-24. See the "Lawmakers who bought MLM recently" section above for the dated list.
Notional-weighted, lawmakers' disclosed MLM buys are down 7.0% versus the latest close of $531.05. Each trade's own return — and realized round-trips on matched sells — is in the Return column.
Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded MLM and how it performed.