MARTIN MARIETTA MATERIALS (MLM) Stock Ownership

NYSE:MLM • US5732841060

659.465 USD
+2.69 (+0.41%)
Last: Mar 4, 2026, 01:03 PM
MLM Ownership Chart.MLM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MLM Ownership.InsiderInstitutional



Shares Outstanding60.31M
Float59.84M
Float Short Interest Percentage2.73%
Owners (insider)0.67%
Owners (institutional)99.7%
Owners (insider) change3.57%
Owners (institutional) change0.66%
MLM Institutional Ownership HistoryMLM Institutional Ownership HistoryMLM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M
MLM Historical Insider Transactions ChartMLM Historical Insider Buy and Sell Transactions ChartMLM Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 20K 40K
Date Name Type Shares Price Amount
Mar 1, 2026 McCunniff Donald A. Grant 2960 0.00 $ 0.00
Mar 1, 2026 Schoen George Frederick Grant 23673 0.00 $ 0.00
Mar 1, 2026 Petro Michael J Grant 2960 0.00 $ 0.00
Mar 1, 2026 Nye C Howard Grant 5919 0.00 $ 0.00
Feb 27, 2026 WAJSGRAS DAVID C Grant 56 676.57 $ 37,887.92
Feb 27, 2026 Pike Thomas Grant 47 676.57 $ 31,798.79
Feb 27, 2026 KORALESKI JOHN J Grant 69 676.57 $ 46,683.33
Feb 23, 2026 McCunniff Donald A. Option Excercise 192 683.60 $ 131,251.20
Feb 23, 2026 Flynn Jason Paul Option Excercise 207 685.52 $ 141,902.70
Feb 23, 2026 Cardin Robert J Option Excercise 312 687.97 $ 214,647.95
Feb 23, 2026 Petro Michael J Option Excercise 305 687.68 $ 209,743.50
Feb 23, 2026 Nye C Howard Option Excercise 3026 688.95 $ 2,084,751.85
Feb 20, 2026 Cardin Robert J Grant 658 0.00 $ 0.00
Feb 20, 2026 Petro Michael J Grant 931 0.00 $ 0.00
Feb 20, 2026 Nye C Howard Grant 8621 141.05 $ 1,216,030.00
Feb 20, 2026 McCunniff Donald A. Grant 1277 0.00 $ 0.00
Feb 20, 2026 Flynn Jason Paul Grant 1187 273.68 $ 324,860.00
Feb 17, 2026 Cardin Robert J Grant 1869 0.00 $ 0.00
Feb 17, 2026 Cardin Robert J Option Excercise 822 666.53 $ 547,887.66
Feb 17, 2026 Petro Michael J Grant 1724 0.00 $ 0.00
Feb 17, 2026 Petro Michael J Option Excercise 758 666.53 $ 505,229.74
Feb 17, 2026 Flynn Jason Paul Grant 222 0.00 $ 0.00
Feb 17, 2026 Flynn Jason Paul Option Excercise 107 666.53 $ 71,318.71
Feb 17, 2026 Nye C Howard Grant 22365 0.00 $ 0.00
Feb 17, 2026 Nye C Howard Option Excercise 9717 666.53 $ 6,476,672.01
Dec 16, 2025 BAR ROSELYN R Option Excercise 66 629.49 $ 41,546.34
Dec 16, 2025 McCunniff Donald A. Option Excercise 50 629.49 $ 31,474.50
Dec 16, 2025 Cardin Robert J Option Excercise 32 629.49 $ 20,143.68
Dec 16, 2025 Nye C Howard Option Excercise 298 629.49 $ 187,588.02
Dec 2, 2025 BAR ROSELYN R Other Disposition 488 0.00 $ 0.00
Dec 1, 2025 BAR ROSELYN R Option Excercise 420 615.25 $ 258,405.00
Dec 1, 2025 Flynn Jason Paul Option Excercise 123 615.25 $ 75,675.75
Nov 28, 2025 WAJSGRAS DAVID C Grant 61 623.24 $ 38,017.64
Nov 28, 2025 Pike Thomas Grant 51 623.24 $ 31,785.24
Nov 28, 2025 KORALESKI JOHN J Grant 75 623.24 $ 46,743.00
Aug 29, 2025 WAJSGRAS DAVID C Grant 61 616.40 $ 37,600.40
Aug 29, 2025 Pike Thomas Grant 51 616.40 $ 31,436.40
Aug 29, 2025 KORALESKI JOHN J Grant 76 616.40 $ 46,846.40
Aug 8, 2025 PEREZ LAREE E Open Market Sale 1038 613.32 $ 636,626.16
Jul 8, 2025 Petro Michael J Grant 1822 0.00 $ 0.00
May 30, 2025 WAJSGRAS DAVID C Grant 69 547.55 $ 37,780.95
May 30, 2025 Pike Thomas Grant 58 547.55 $ 31,757.90
May 30, 2025 KORALESKI JOHN J Grant 85 547.55 $ 46,541.75
May 15, 2025 Ables Dorothy M Grant 308 552.86 $ 170,280.88
May 15, 2025 SLAGER DONALD W Grant 308 552.86 $ 170,280.88
May 15, 2025 Pike Thomas Grant 308 552.86 $ 170,280.88
May 15, 2025 PEREZ LAREE E Grant 308 552.86 $ 170,280.88
May 15, 2025 Mack Mary T Grant 308 552.86 $ 170,280.88
May 15, 2025 KORALESKI JOHN J Grant 308 552.86 $ 170,280.88
May 15, 2025 WAJSGRAS DAVID C Grant 308 552.86 $ 170,280.88
May 15, 2025 Cardin Robert J Grant 2869 0.00 $ 0.00
Mar 5, 2025 McCunniff Donald A. Option Excercise 1332 154.58 $ 205,900.56
Mar 5, 2025 McCunniff Donald A. Open Market Sale 1332 475.00 $ 632,700.00