MLMMartin Marietta Materials, Inc.
Basic Materials · Building MaterialsNYSEStockMkt cap $36.3B
Disclosed trades
32
1 in 30d · 5 in 90d
Politicians
8
Last trade Aug 25, 2026
Buys
15
$285K at range midpoints
Sells
16
$570.5K at range midpoints
Closing price · 365 days
Sep 24, 2025 – Sep 23, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade |
|---|---|---|---|---|---|---|---|
| DApril McClain Delaney | House · MD-06 | 9 | 7 | 2 | $80.5K | $383K | Aug 25, 2026 |
| DRo Khanna | House · CA-17 | 8 | 2 | 5 | $16K | $32K | Jun 2, 2026 |
| RMichael T. McCaul | House · TX-10 | 4 | 1 | 3 | $32.5K | $16K | Feb 23, 2026 |
| DThomas R. Suozzi | House · NY-03 | 4 | 3 | 1 | $140K | $75K | Nov 7, 2018 |
| RDan Sullivan | Senate · AK | 2 | 0 | 2 | $0 | $16K | Nov 30, 2022 |
| RLisa C. McClain | House · MI-09 | 2 | 1 | 1 | $8K | $8K | Jun 10, 2025 |
| DVal T. Hoyle | House · OR-04 | 2 | 1 | 1 | $8K | $8K | Sep 23, 2025 |
| DJosh Gottheimer | House · NJ-05 | 1 | 0 | 1 | $0 | $32.5K | Apr 9, 2026 |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Sell | Dependent | $250,001 - $500,000 | Aug 25, 2026 | Sep 9, 202615d | Filing |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | Aug 19, 2026 | Sep 9, 202621d | Filing |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $15,001 - $50,000 | Jul 24, 2026 | Aug 3, 202610d | Filing |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | Jul 20, 2026 | Aug 3, 202614d | Filing |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | Jul 17, 2026 | Aug 3, 202617d | Filing |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS,INC | Partial | Dependent | $1,001 - $15,000 | Jun 2, 2026 | Jul 6, 202634d | FilingOCR |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | May 28, 2026 | Jun 5, 20268d | Filing |
| DJosh Gottheimer | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Sell | Joint | $15,001 - $50,000 | Apr 9, 2026 | May 19, 202640d | Filing |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS INC | UnknownReview | Dependent | — | Mar 30, 2026 | Apr 7, 20268d | FilingOCR |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS INC | Sell | Spouse | $1,001 - $15,000 | Mar 23, 2026 | Apr 7, 202615d | FilingOCR |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | Mar 9, 2026 | Apr 6, 202628d | Filing |
| RMichael T. McCaul | MLM | MARTIN MARIETTA MATERIALS INC | Sell | Spouse | $1,001 - $15,000 | Feb 23, 2026 | Mar 10, 202615d | FilingOCR |
| DRo Khanna | MLM | MARTINMARIETTAMATERIALS,INC | SellReview | Dependent | — | Jan 22, 2026 | Feb 6, 202615d | FilingOCR |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Dependent | $1,001 - $15,000 | Dec 2, 2025 | Jan 5, 202634d | Filing |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS,INC | BuyReview | Unknown | $1,001 - $15,000 | Nov 3, 2025 | Dec 8, 202535d | FilingOCR |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS,INC | Partial | Spouse | $1,001 - $15,000 | Oct 28, 2025 | Nov 6, 20259d | FilingOCR |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS,INC | PartialReview | Unknown | $1,001 - $15,000 | Oct 28, 2025 | Nov 6, 20259d | FilingOCR |
| DVal T. Hoyle | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Sell | Spouse | $1,001 - $15,000 | Sep 23, 2025 | Oct 10, 202517d | Filing |
| DVal T. Hoyle | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Spouse | $1,001 - $15,000 | Oct 29, 2024 | Sep 12, 2025318d | Filing |
| RMichael T. McCaul | MLM | MARTIN MARIETTA MATERIALS | SellReview | Spouse | $1,001 - $15,000 | — | Sep 11, 2025 | FilingOCR |
| DApril McClain Delaney | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Partial | Dependent | $1,001 - $15,000 | Aug 1, 2025 | Sep 2, 202532d | Filing |
| RLisa C. McClain | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Sell | Spouse | $1,001 - $15,000 | Jun 10, 2025 | Aug 13, 202564d | Filing |
| RLisa C. McClain | MLM | Martin Marietta Materials, Inc. Common Stock (MLM) | Buy | Spouse | $1,001 - $15,000 | Dec 11, 2024 | Aug 13, 2025245d | Filing |
| RMichael T. McCaul | MLM | MARTIN MARIETTA MATERIALS | SellReview | Unknown | — | Jul 5, 2025 | Jul 7, 20252d | FilingOCR |
| RMichael T. McCaul | MLM | MARTIN MARIETTA MATERIALS | Buy | Spouse | $15,001 - $50,000 | Mar 17, 2025 | Apr 17, 202531d | FilingOCR |
| DRo Khanna | MLM | MARTIN MARIETTA MATERIALS,INC | Buy | Dependent | $1,001 - $15,000 | Jul 2, 2024 | Aug 7, 202436d | FilingOCR |
| RDan Sullivan | MLM | Martin Marietta Materials, Inc. Common Stock | Sell | Joint | $1,001 - $15,000 | Nov 30, 2022 | Jul 26, 2023238d | Filing |
| RDan Sullivan | MLM | Martin Marietta Materials, Inc. Common Stock | Sell | Joint | $1,001 - $15,000 | Nov 30, 2022 | Dec 21, 202221d | Filing |
| DThomas R. Suozzi | MLM | Martin Marietta Materials, Inc. (MLM) | Buy | Self | $15,001 - $50,000 | Oct 2, 2018 | Dec 19, 20221539d | Filing |
| DThomas R. Suozzi | MLM | Martin Marietta Materials, Inc. (MLM) | Buy | Self | $15,001 - $50,000 | Oct 1, 2018 | Dec 19, 20221540d | Filing |
| DThomas R. Suozzi | MLM | Martin Marietta Materials, Inc. (MLM) | Sell | Self | $50,001 - $100,000 | Nov 7, 2018 | Sep 23, 20211051d | Filing |
| DThomas R. Suozzi | MLM | Martin Marietta Materials, Inc. (MLM) | Buy | Self | $50,001 - $100,000 | Oct 15, 2018 | Sep 23, 20211074d | Filing |
Insider activity Filed
Insiders
25
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
0
$0 sold
Net · 90d
$0
$0 net over 12 months · last Sep 1, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2026filed Sep 2, 2026 | Michael J PetroSVP and CFO | Award | Common Stock | 9,331 | $0.00 | $0 | 24,321.60 | D | — | 4 |
| Aug 31, 2026filed Sep 2, 2026 | David C Wajsgras | Award | Common Stock | 78 | $518.70 | $40,459 | 5,106 | D | — | 4 |
| Aug 31, 2026filed Sep 2, 2026 | Thomas Pike | Award | Common Stock | 66 | $518.70 | $34,234 | 5,029 | D | — | 4 |
| Aug 31, 2026filed Sep 2, 2026 | Martin J Lyons | Award | Common Stock | 68 | $518.70 | $35,272 | 442 | D | — | 4 |
| Aug 21, 2026filed Aug 25, 2026 | Philipp Niemann | Award | Common Stock | 337 | $0.00 | $0 | 337 | D | — | 4 |
| Aug 3, 2026filed Aug 4, 2026 | Michael J PetroSVP and CFO | Withholding | Common Stock | −368 | $542.27 | $199,555 | 14,990.60 | D | — | 4 |
| May 29, 2026filed Jun 2, 2026 | David C Wajsgras | Award | Common Stock | 69 | $581.64 | $40,133 | 5,028 | D | — | 4 |
| May 29, 2026filed Jun 2, 2026 | Thomas Pike | Award | Common Stock | 59 | $581.64 | $34,317 | 4,963 | D | — | 4 |
| May 29, 2026filed Jun 2, 2026 | Martin J Lyons | Award | Common Stock | 61 | $581.64 | $35,480 | 374 | D | — | 4 |
| May 14, 2026filed May 18, 2026 | David C Wajsgras | Award | Common Stock | 313 | $0.00 | $0 | 4,959 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 56Committee overlapAug 25, 2026
Rep. April McClain Delaney sold $250,001–$500,000 of MLM while sitting on House Agriculture
Details
- Committee
- House Committee on Agriculture
- Leadership seat
- No
- Sector
- Basic Materials
- Disclosed range
- $250,001 - $500,000
- 44Whale tradeAug 25, 2026
April McClain Delaney sold $250K–$500K of MLM
Details
- Politician
- April McClain Delaney
- Ticker
- MLM
- Asset
- Martin Marietta Materials, Inc. Common Stock (MLM)
- Tx type
- sell
- Tx date
- Aug 25, 2026
- Filing date
- Sep 9, 2026
- Amount low
- $250K
- Amount high
- $500K
- Amount mid
- $375K
- Disclosed range
- $250,001 - $500,000
- Reporting lag days
- 15
- Is whale
- Yes
- 43Committee overlapJul 24, 2026
Rep. April McClain Delaney bought $15,001–$50,000 of MLM while sitting on House Agriculture
Details
- Committee
- House Committee on Agriculture
- Leadership seat
- No
- Sector
- Basic Materials
- Disclosed range
- $15,001 - $50,000