MARTIN MARIETTA MATERIALS INC (MLM) - Insider Holders & Insider Ownership

List of insiders holdings for MARTIN MARIETTA MATERIALS INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1LNA Holding SRL
Kalk en Dolomiet Maatschappij SA
Financiere de Gestions Internationales SCA
GPI SA
10% Owner		2026-08-24 16:34:0710,953,543
0		10,953,543Form 13D
2SOUTHEASTERN ASSET MANAGEMENT INC
10% Owner		2013-03-26 18:13:132,262,363
0		2,262,363Form 13D
3Nye C Howard
Chairman, Pres & CEO		2026-03-03 15:48:38176,038
70,400		246,438Form 4
4NNS Holding
Sawiris Nassef
Norman Philip
10% Owner		2009-02-13 17:06:13227,777
0		227,777Form 13G
5BAR ROSELYN R
Executive Vice President		2025-12-17 16:18:0762,594
0		62,594Form 4
6SIPLING PHILIP J
Exec. VP		2009-12-03 11:22:4260,601
0		60,601Form 4
7LLOYD ANNE H
EVP and CFO		2017-05-24 15:27:5259,786
0		59,786Form 4
8SHEPHERD DANIEL G
Exec VP		2011-05-25 09:31:3547,500
0		47,500Form 4
9STEWART JONATHAN T
SVP Human Resources		2010-12-10 11:56:4640,073
0		40,073Form 4
10MOE DONALD M
Sr. VP		2007-02-14 15:27:2138,745
0		38,745Form 4
11HENRY JANICE K
Sr. Vice Pres.		2006-06-01 13:20:0335,839
0		35,839Form 4
12Nickolas James AJ
EVP and CFO		2025-02-25 16:10:4526,643
0		26,643Form 4
13COLE SUE W
Director		2025-05-16 15:08:1020,394
4,250		24,644Form 4
14Petro Michael J
SVP and CFO		2026-09-02 17:19:3824,322
0		24,322Form 4
15Schoen George Frederick
EVP, GC and Corp. Secretary		2026-03-03 16:18:1123,673
0		23,673Form 4
16Vaio Bruce A
Executive VP		2012-12-13 14:46:2622,301
0		22,301Form 4
17Guzzo Dana F.
SVP/Controller/CAO		2019-02-26 16:19:5022,027
0		22,027Form 4
18Samborski Christopher William
EVP, COO		2026-05-05 16:22:0421,762
0		21,762Form 4
19Quillen Michael J
Director		2024-05-10 08:54:5321,306
0		21,306Form 4
20MENAKER FRANK H JR
Director		2016-03-02 09:47:0620,576
0		20,576Form 4
21Grant Daniel L.
SVP - Strategy and Development		2021-02-23 19:57:1219,065
0		19,065Form 4
22MAFFUCCI DAVID G
Director		2018-06-01 11:56:2417,874
0		17,874Form 4
23MCDONALD WILLIAM E
Director		2017-03-02 12:01:1517,869
0		17,869Form 4
24REDIKER DENNIS L
Director		2019-03-01 14:12:3417,775
0		17,775Form 4
25VINROOT RICHARD A
Director		2016-03-02 10:01:0415,955
0		15,955Form 4
26PEREZ LAREE E
Director		2026-05-18 17:37:2215,730
0		15,730Form 4
27KORALESKI JOHN J
Director		2026-03-02 14:42:428,822
6,900		15,722Form 4
28Mohr John P
SVP - CIO		2023-12-05 16:01:1514,974
0		14,974Form 4
29Cardin Robert J
SVP, Controller & CAO		2026-02-25 12:28:2412,459
0		12,459Form 4
30REED JAMES M
Director		2005-05-26 12:57:2812,416
0		12,416Form 4
31WATTERSON DAVID S
VP and Chief Info. Officer		2006-08-08 09:56:4612,218
0		12,218Form 4
32LaTorre Craig M
Sr. VP, CHRO		2023-12-05 15:55:398,634
0		8,634Form 4
33EASTERLIN DONALD J III
Vice President		2003-12-10 16:35:305,947
2,223		8,170Form 4
34McCunniff Donald A.
EVP and CHRO		2026-03-03 15:47:267,518
0		7,518Form 4
35BENNETT MARCUS C
Director		2008-05-30 11:48:386,962
0		6,962Form 4
36Flynn Jason Paul
SVP and CIO		2026-02-25 12:35:215,494
0		5,494Form 4
37Davis Smith W
Director		2023-03-01 17:19:405,255
0		5,255Form 4
38Brooks Oliver W
SVP - Enterprise Excellence		2025-02-25 16:05:055,178
0		5,178Form 4
39WAJSGRAS DAVID C
Director		2026-09-02 16:35:205,106
0		5,106Form 4
40SLAGER DONALD W
Director		2026-05-18 17:38:325,064
0		5,064Form 4
41Pike Thomas
Director		2026-09-02 16:31:215,029
0		5,029Form 4
42ZELNAK STEPHEN P JR
Director		2020-07-10 17:13:484,955
0		4,955Form 4
43Bennett Kelly Gean
SVP, CHRO		2024-02-27 16:25:494,454
0		4,454Form 4
44Ables Dorothy M
Director		2026-05-18 17:29:204,221
0		4,221Form 4
45SANSOM WILLIAM B
Director		2006-07-05 15:39:222,899
1,210		4,109Form 4
46KOHN BRADLEY D
SVP, General Counsel and Secy		2025-02-25 16:07:213,625
0		3,625Form 4
47Foxx Anthony R
Director		2026-05-18 17:33:442,615
0		2,615Form 4
48LEONARD BOBBY F
Director		2003-08-20 09:55:402,000
0		2,000Form 4
49ADAMSON RICHARD G
Director		2003-08-20 09:34:512,000
0		2,000Form 4
50Mack Mary T
Director		2026-05-18 17:36:51914
0		914Form 4
51LYONS MARTIN J
Director		2026-09-02 16:29:07442
0		442Form 4
52Niemann Philipp
Director		2026-08-25 16:15:27337
0		337Form 4
53DELLY GAYLA J
Director		2026-05-18 17:31:27313
0		313Form 4
54Tesh James M.
SVP-Human Resources		2011-01-28 11:49:260
0		0Form 3
55SPO ADVISORY CORP
SPO ADVISORY PARTNERS LP
SF ADVISORY PARTNERS LP
SPO PARTNERS II LP
SAN FRANCISCO PARTNERS II LP
SCULLY JOHN H
OBERNDORF WILLIAM E
PATTERSON WILLIAM J
MCDERMOTT EDWARD H
10% Owner		2014-02-14 16:19:450
0		0Form 13G
56PHOEBE SNOW FOUNDATION
See Footnote 1		2009-12-16 20:49:380
0		0Form 4
57SCULLY JOHN H
CRANBERRY LAKE PARTNERS LP
10% Owner		2010-12-02 19:51:340
0		0Form 4
58SPO ADVISORY CORP
SPO ADVISORY PARTNERS LP
SF ADVISORY PARTNERS LP
SPO PARTNERS II LP
SAN FRANCISCO PARTNERS LP
SCULLY JOHN H
OBERNDORF WILLIAM E
MCDERMOTT EDWARD H
10% Owner		2014-02-14 16:19:450
0		0Form 13G
59SPO ADVISORY CORP
SF ADVISORY PARTNERS LP
SPO ADVISORY PARTNERS LP
SAN FRANCISCO PARTNERS II LP
SPO PARTNERS II LP
PHOEBE SNOW FOUNDATION
Elizabeth R. & William J. Patterson Foundation
10% Owner		2014-02-14 16:19:450
0		0Form 13G