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Martin Marietta Materials

MLM Net selling
CIK 0000916076 #303 in the set updated 22 Sep 2026
Bought (120 mo)
$2.38M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$66.53M
$0.00 on a plan · $31.29M straight out of an exercise
Sold at will
$35.24M
26 of 55 sales
Net
−$64.15M
−$32.86M against sales at will

By person

35 insiders · 92 transactions
110×

C. Howard Nye holds 110 times base salary in stock. $151.15M of shares against $1.37M in salary for 2025.

Salary from the company's own proxy. The shares are what C. Howard Nye last reported holding, valued at $613.32, the price Common Stock was last bought or sold at on the open market here, on 8 Aug 2025.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Nye C Howard
Chairman, Pres & CEO
—
$35.23M (13)
−$35.23M
246,438
0.4103%
$151.15M
+73.8%
BAR ROSELYN R
Executive Vice President
—
$11.29M (6)
−$11.29M
62,594
0.1042%
$38.39M
+30.4%
McCunniff Donald A.
EVP and CHRO
—
$4.14M (9)
−$4.14M
7,518
0.0125%
$4.61M
+32.9%
ZELNAK STEPHEN P JR
Director
$728.37K (16)
$4.09M (3)
−$3.36M
4,955
0.0082%
$3.04M
−70.6%
COLE SUE W
Director
—
$3.35M (8)
−$3.35M
20,394
0.0340%
$12.51M
+3.2%
LLOYD ANNE H
EVP and CFO
—
$2.32M (3) scheduled
−$2.32M
59,786
0.0995%
$36.67M
+4.5%
PEREZ LAREE E
Director
—
$2.13M (4) scheduled
−$2.13M
15,730
0.0262%
$9.65M
+18.4%
KORALESKI JOHN J
Director
$1.38M (6)
—
+$1.38M
10,822
0.0180%
$6.64M
—
MCDONALD WILLIAM E
Director
—
$1.32M (1) scheduled
−$1.32M
17,869
0.0297%
$10.96M
+1.6%
LaTorre Craig M
Sr. VP, CHRO
—
$1.06M (2)
−$1.06M
8,634
0.0144%
$5.30M
+6.9%
Guzzo Dana F.
SVP/Controller/CAO
—
$741.06K (3) scheduled
−$741.06K
22,027
0.0367%
$13.51M
+40.0%
Quillen Michael J
Director
—
$637.50K (1) scheduled
−$637.50K
21,306
0.0355%
$13.07M
+35.9%
Petro Michael J
SVP and CFO
$249.90K (1)
—
+$249.90K
24,322
0.0405%
$14.92M
+617.5%
Grant Daniel L.
SVP - Strategy and Development
$19.93K (8)
$233.44K (1) scheduled
−$213.51K
19,065
0.0317%
$11.69M
+73.1%
Mohr John P
SVP - CIO
$734.02 (5)
$144.40 (1)
+$589.62
14,974
0.0249%
$9.18M
+1,026%
Nickolas James AJ
EVP and CFO
—
—
—
26,643
0.0444%
$16.34M
+495.5%
Schoen George Frederick
EVP, GC and Corp. Secretary
—
—
—
23,673
0.0394%
$14.52M
—
Samborski Christopher William
EVP, COO
—
—
—
21,762
0.0362%
$13.35M
+59.3%
MAFFUCCI DAVID G
Director
—
—
—
17,874
0.0298%
$10.96M
+7.8%
REDIKER DENNIS L
Director
—
—
—
17,775
0.0296%
$10.90M
+8.3%
Cardin Robert J
SVP, Controller & CAO
—
—
—
12,459
0.0207%
$7.64M
+131.5%
Flynn Jason Paul
SVP and CIO
—
—
—
5,494
0.0091%
$3.37M
+21.5%
Davis Smith W
Director
—
—
—
5,255
0.0087%
$3.22M
—
Brooks Oliver W
SVP - Enterprise Excellence
—
—
—
5,178
0.0086%
$3.18M
+45.7%
WAJSGRAS DAVID C
Director
—
—
—
5,106
0.0085%
$3.13M
—
SLAGER DONALD W
Director
—
—
—
5,064
0.0084%
$3.11M
+836.0%
Pike Thomas
Director
—
—
—
5,029
0.0084%
$3.08M
—
Bennett Kelly Gean
SVP, CHRO
—
—
—
4,454
0.0074%
$2.73M
+14.6%
Ables Dorothy M
Director
—
—
—
4,221
0.0070%
$2.59M
—
KOHN BRADLEY D
SVP, General Counsel and Secy
—
—
—
3,625
0.0060%
$2.22M
+37.1%
Foxx Anthony R
Director
—
—
—
2,615
0.0044%
$1.60M
—
Mack Mary T
Director
—
—
—
914
0.0015%
$560.57K
—
LYONS MARTIN J
Director
—
—
—
442
0.0007%
$271.09K
—
Niemann Philipp
Director
—
—
—
337
0.0006%
$206.69K
—
DELLY GAYLA J
Director
—
—
—
313
0.0005%
$191.97K
—

Individual transactions

92
Insider
Date
Role
Action
Shares
Price
Amount
PEREZ LAREE E
8 Aug 2025
Director
Sell
1,038
$613.32
$636.63K
McCunniff Donald A.
5 Mar 2025
EVP and CHRO
Sold after exercise
1,332
$475.00
$632.70K
Petro Michael J
4 Mar 2025
SVP - Strategy and Development
Buy
550
$454.37
$249.90K
BAR ROSELYN R
14 Mar 2024
EVP, General Counsel and Secy
Sell
10,000
$603.29
$6.03M
Nye C Howard
5 Mar 2024
Chairman, Pres & CEO
Sell indirect
5,000
$604.26
$3.02M
Nye C Howard
5 Mar 2024
Chairman, Pres & CEO
Sell
15,000
$604.26
$9.06M
COLE SUE W
16 Feb 2024
Director
Sell
843
$541.22
$456.25K
COLE SUE W
16 Feb 2024
Director
Sell
881
$545.64
$480.71K
LaTorre Craig M
21 Aug 2023
Sr. VP, CHRO
Sell
1,934
$431.68
$834.87K
LaTorre Craig M
28 Jul 2023
Sr. VP, CHRO
Sell
500
$447.09
$223.55K
COLE SUE W
18 Nov 2022
Director
Sell
1,685
$355.61
$599.20K
Mohr John P
10 Jun 2022
SVP - CIO
Sell
0
$321.75
$144.40
Nye C Howard
10 Mar 2021
Chairman, Pres & CEO
Sell indirect
10,000
$337.84
$3.38M
Nye C Howard
10 Mar 2021
Chairman, Pres & CEO
Sell
6,948
$337.79
$2.35M
Nye C Howard
9 Mar 2021
Chairman, Pres & CEO
Sell
3,052
$335.06
$1.02M
BAR ROSELYN R
24 Nov 2020
EVP, General Counsel and Secy
Sold after exercise
10,004
$274.64
$2.75M
COLE SUE W
10 Sep 2020
Director
Sell
468
$207.03
$96.89K
COLE SUE W
8 Sep 2020
Director
Sell
750
$209.18
$156.89K
ZELNAK STEPHEN P JR
10 Jun 2020
Director
Sell
1,350
$207.74
$280.44K
ZELNAK STEPHEN P JR
5 Jun 2020
Director
Sell
13,385
$225.23
$3.01M
ZELNAK STEPHEN P JR
5 Jun 2020
Director
Sell
3,500
$226.80
$793.80K
Nye C Howard
21 May 2020
Chairman, Pres & CEO
Sold after exercise
6,645
$177.62
$1.18M
BAR ROSELYN R
20 May 2020
EVP, General Counsel and Secy
Exercised, kept
4,513
$69.12
$311.94K
KORALESKI JOHN J
13 May 2020
Director
Buy indirect
1,000
$164.08
$164.08K
KORALESKI JOHN J
6 May 2020
Director
Buy indirect
1,000
$183.54
$183.54K
ZELNAK STEPHEN P JR
31 Mar 2020
Director
Buy
8
$177.24
$1.46K
Grant Daniel L.
31 Dec 2019
SVP - Strategy and Development
Buy
22
$277.35
$6.10K
ZELNAK STEPHEN P JR
31 Dec 2019
Director
Buy
5
$277.43
$1.46K
Nye C Howard
13 Dec 2019
Chairman, Pres & CEO
Sold after exercise
4,202
$276.87
$1.16M
KORALESKI JOHN J
25 Nov 2019
Director
Buy indirect
1,000
$260.23
$260.23K
Grant Daniel L.
30 Sep 2019
SVP - Strategy and Development
Buy
14
$271.35
$3.74K
ZELNAK STEPHEN P JR
30 Sep 2019
Director
Buy
5
$271.29
$1.45K
Nye C Howard
30 Aug 2019
Chairman, Pres & CEO
Sold after exercise
7,440
$253.52
$1.89M
BAR ROSELYN R
1 Aug 2019
EVP, General Counsel and Secy
Sold after exercise
2,821
$246.93
$696.58K
Nye C Howard
1 Aug 2019
Chairman, Pres & CEO
Sold after exercise
11,224
$243.66
$2.73M
Grant Daniel L.
28 Jun 2019
SVP - Strategy and Development
Buy
10
$226.67
$2.20K
ZELNAK STEPHEN P JR
28 Jun 2019
Director
Buy
6
$226.65
$1.26K
PEREZ LAREE E
10 Jun 2019
Director
Sell
824
$231.80
$191.01K
McCunniff Donald A.
6 May 2019
SVP - Human Resources
Sold after exercise
3,183
$220.19
$700.87K
Nye C Howard
6 May 2019
Chairman, Pres & CEO
Sold after exercise
14,668
$220.48
$3.23M
Grant Daniel L.
29 Mar 2019
SVP - Strategy and Development
Buy
10
$200.33
$1.96K
ZELNAK STEPHEN P JR
29 Mar 2019
Director
Buy
6
$200.34
$1.26K
COLE SUE W
5 Mar 2019
Director
Sell
1,500
$195.07
$292.61K
McCunniff Donald A.
28 Feb 2019
SVP - Human Resources
Sell
1,563
$189.31
$295.89K
McCunniff Donald A.
27 Feb 2019
SVP - Human Resources
Sell
660
$190.90
$125.99K
Grant Daniel L.
31 Dec 2018
SVP - Strategy and Development
Buy
12
$168.90
$1.95K
ZELNAK STEPHEN P JR
31 Dec 2018
Director
Buy
7
$168.81
$1.26K
KORALESKI JOHN J
14 Dec 2018
Director
Buy indirect
1,000
$174.07
$174.07K
McCunniff Donald A.
9 Nov 2018
SVP - Human Resources
Sold after exercise
1,476
$185.50
$273.80K
Mohr John P
1 Oct 2018
SVP - CIO
Buy
1
$185.60
$232.15
Grant Daniel L.
28 Sep 2018
SVP - Strategy and Development
Buy
10
$185.79
$1.95K
ZELNAK STEPHEN P JR
28 Sep 2018
Director
Buy
7
$185.91
$1.26K
McCunniff Donald A.
22 Aug 2018
SVP - Human Resources
Sell
2,250
$204.33
$459.73K
ZELNAK STEPHEN P JR
30 Jul 2018
Director
Buy
3,500
$202.87
$710.05K
KORALESKI JOHN J
27 Jul 2018
Director
Buy
2,400
$208.06
$499.33K
Mohr John P
2 Jul 2018
SVP - CIO
Buy
1
$221.16
$212.38
Grant Daniel L.
29 Jun 2018
SVP - Strategy and Development
Buy
5
$222.50
$1.02K
ZELNAK STEPHEN P JR
29 Jun 2018
Director
Buy
5
$222.48
$1.15K
McCunniff Donald A.
13 Jun 2018
SVP - Human Resources
Sell
4,226
$230.72
$975.03K
BAR ROSELYN R
11 May 2018
EVP, General Counsel and Secy
Sold after exercise
727
$215.98
$157.01K
BAR ROSELYN R
11 May 2018
EVP, General Counsel and Secy
Sold after exercise
5,271
$213.36
$1.12M
Quillen Michael J
9 May 2018
Director
Sold after exercise
3,000
$212.50
$637.50K
Nye C Howard
9 May 2018
Chairman, Pres & CEO
Sold after exercise
8,409
$212.66
$1.79M
Mohr John P
2 Apr 2018
SVP - CIO
Buy
1
$203.29
$146.51
Grant Daniel L.
29 Mar 2018
SVP - Strategy and Development
Buy
5
$203.17
$1.01K
ZELNAK STEPHEN P JR
29 Mar 2018
Director
Buy
6
$202.93
$1.15K
COLE SUE W
12 Mar 2018
Director
Sold after exercise
3,000
$210.06
$630.19K
PEREZ LAREE E
14 Feb 2018
Director
Sold after exercise
3,000
$214.00
$642.00K
Mohr John P
2 Jan 2018
SVP - CIO
Buy
0
$223.02
$71.57
ZELNAK STEPHEN P JR
29 Dec 2017
Director
Buy
5
$218.05
$1.14K
Mohr John P
2 Oct 2017
SVP - CIO
Buy
0
$205.98
$71.41
ZELNAK STEPHEN P JR
29 Sep 2017
Director
Buy
6
$205.96
$1.14K
KORALESKI JOHN J
18 Aug 2017
Director
Buy
500
$198.37
$99.19K
ZELNAK STEPHEN P JR
30 Jun 2017
Director
Buy
5
$222.13
$1.09K
McCunniff Donald A.
4 May 2017
SVP - Human Resources
Sold after exercise
1,391
$240.17
$334.07K
Guzzo Dana F.
4 May 2017
SVP/Controller/CAO
Sold after exercise
829
$239.24
$198.33K
LLOYD ANNE H
3 May 2017
EVP and CFO
Sold after exercise
6,472
$238.73
$1.55M
Nye C Howard
3 May 2017
Chairman, Pres & CEO
Sold after exercise
10,258
$239.16
$2.45M
ZELNAK STEPHEN P JR
31 Mar 2017
Director
Buy
5
$214.04
$1.08K
COLE SUE W
10 Mar 2017
Director
Sold after exercise
3,000
$212.12
$636.36K
PEREZ LAREE E
17 Feb 2017
Director
Sold after exercise
3,000
$218.98
$656.95K
MCDONALD WILLIAM E
17 Feb 2017
Director
Sold after exercise
6,000
$219.78
$1.32M
ZELNAK STEPHEN P JR
30 Dec 2016
Director
Buy
5
$226.41
$1.08K
LLOYD ANNE H
9 Dec 2016
EVP and CFO
Sell
498
$229.18
$114.13K
McCunniff Donald A.
9 Dec 2016
SVP - Human Resources
Sell
1,503
$228.98
$344.15K
BAR ROSELYN R
11 Nov 2016
EVP, General Counsel and Secy
Sold after exercise
2,313
$228.33
$528.13K
Guzzo Dana F.
10 Nov 2016
SVP/Controller/CAO
Sold after exercise
1,508
$228.69
$344.87K
Nye C Howard
9 Nov 2016
Chairman, Pres & CEO
Sold after exercise
8,691
$224.68
$1.95M
Grant Daniel L.
9 Nov 2016
SVP - Strategy and Development
Sold after exercise
1,038
$224.89
$233.44K
LLOYD ANNE H
9 Nov 2016
EVP and CFO
Sold after exercise
2,929
$224.74
$658.27K
Guzzo Dana F.
9 Nov 2016
SVP/Controller/CAO
Sold after exercise
881
$224.59
$197.86K
ZELNAK STEPHEN P JR
30 Sep 2016
Director
Buy
6
$182.66
$1.08K

What was left out

Form 4 filings counted 606
Amendments (4/A) skipped 9
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 29
Sales at will 26
Transactions with no price 0
Shares from compensation/vesting 1,248,017
Sales filed before the plan box existed 18
History held since 30 Aug 2016