8 U.S. lawmakers have disclosed 18 Martin Marietta Materials, Inc. trades under the STOCK Act — 11 buys and 7 sells between 2015 and 2026. Congress has been net buyers of MLM, and their disclosed buys are down 4.6% versus the latest close.
*Notional-weighted price return on lawmakers' disclosed buys of MLM, marked to the latest close — per-share (share counts aren't disclosed).
1 member disclosed a MLM purchase in the last 90 days (newest first).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2026-07-24 | April McClain Delaney | BUY | $15K–$50K | $559.60 | $544.76 2026-08-13 | -2.6% |
| 2026-07-20 | April McClain Delaney | BUY | $1K–$15K | $553.62 | $544.76 2026-08-13 | -1.6% |
| 2026-07-17 | April McClain Delaney | BUY | $1K–$15K | $562.59 | $544.76 2026-08-13 | -3.2% |
| 2026-04-09 | Josh Gottheimer | SELL | $15K–$50K | $625.50 | $544.76 2026-08-13 | +12.9% exit |
| 2026-03-09 | April McClain Delaney | BUY | $1K–$15K | $612.52 | $544.76 2026-08-13 | -11.1% |
| 2025-12-02 | April McClain Delaney | BUY | $1K–$15K | $607.99 | $544.76 2026-08-13 | -10.4% |
| 2025-10-28 | Rohit Khanna | SELL | $1K–$15K | $616.84 | $544.76 2026-08-13 | +11.7% exit |
| 2025-10-27 | Michael T. McCaul | SELL | $1K–$15K | $616.84 | $544.76 2026-08-13 | +11.7% exit |
| 2025-08-01 | April McClain Delaney | SELL | $1K–$15K | $577.86 | $544.76 2026-08-13 | +5.7% exit |
| 2022-11-30 | Daniel S Sullivan | SELL | $1K–$15K | $366.48 | $544.76 2026-08-13 | -48.6% exit |
| 2022-11-30 | Daniel S Sullivan | SELL | $1K–$15K | $366.48 | $544.76 2026-08-13 | -48.6% exit |
| 2018-09-24 | Alan S. Lowenthal | SELL | $15K–$50K | $190.84 | $544.76 2026-08-13 | -10.1% rt |
| 2017-11-15 | Alan S. Lowenthal | BUY | $1K–$15K | $206.18 | $544.76 2026-08-13 | +164.2% |
| 2017-11-14 | Alan S. Lowenthal | BUY | $1K–$15K | $212.16 | $544.76 2026-08-13 | +156.8% |
| 2016-11-11 | RICHARD M BURR | BUY | $1K–$15K | $229.74 | $544.76 2026-08-13 | +137.1% |
| 2016-11-11 | RICHARD M BURR | BUY | $1K–$15K | $229.74 | $544.76 2026-08-13 | +137.1% |
| 2016-07-25 | Kenny Marchant | BUY | $1K–$15K | $198.69 | $544.76 2026-08-13 | +174.2% |
| 2015-01-22 | Kenny Marchant | BUY | $1K–$15K | $110.96 | $544.76 2026-08-13 | +390.9% |
Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).
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 4.6% versus the latest close of $544.76. 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.