Martin Marietta Materials, Inc.
US ˙ NYSE ˙ US5732841060

SecurityMLM / Martin Marietta Materials, Inc.
InsiderJohn J Koraleski
This page shows the track record and history of KORALESKI JOHN J insider trades in Martin Marietta Materials, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by John J Koraleski in MLM / Martin Marietta Materials, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2020-05-13 1,000 164.0799 1,000 164.0799 164,080 359 378.28 214,201 130.55
2020-05-06 1,000 183.5400 1,000 183.5400 183,540
2019-11-25 1,000 260.2273 1,000 260.2273 260,227
2018-12-14 1,000 174.0698 1,000 174.0698 174,070
2018-07-27 2,400 208.0550 2,400 208.0550 499,332
2017-08-18 500 198.3704 500 198.3704 99,185

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MLM / Martin Marietta Materials, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by John J Koraleski in MLM / Martin Marietta Materials, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MLM / Martin Marietta Materials, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-02 2025-08-29 4 KORALESKI JOHN J MLM Common Stock A - Award D 616.4000 76 47 8,678
2025-06-03 2025-05-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 547.5500 85 47 8,602
2025-05-16 2025-05-15 4 KORALESKI JOHN J MLM Common Stock A - Award D 552.8600 308 170 8,517
2025-03-03 2025-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 483.1400 96 46 8,209
2024-12-03 2024-11-29 4 KORALESKI JOHN J MLM Common Stock A - Award D 600.0000 78 47 8,113
2024-09-03 2024-08-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 534.1600 87 46 8,035
2024-06-04 2024-05-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 572.8000 81 46 7,948
2024-05-17 2024-05-16 4 KORALESKI JOHN J MLM Common Stock A - Award D 581.6900 293 170 7,867
2024-03-04 2024-02-29 4 KORALESKI JOHN J MLM Common Stock A - Award D 577.7100 76 44 7,574
2023-12-04 2023-11-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 464.5900 95 44 7,498
2023-09-05 2023-08-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 446.4100 99 44 7,403
2023-06-02 2023-05-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 398.0400 111 44 7,304
2023-05-12 2023-05-11 4 KORALESKI JOHN J MLM Common Stock A - Award D 400.5700 362 145 7,193
2023-03-01 2023-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 359.8700 122 44 6,831
2022-12-02 2022-11-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 366.4800 120 44 6,709
2022-09-01 2022-08-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 347.4100 127 44 6,589
2022-06-02 2022-05-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 339.3800 130 44 6,462
2022-05-16 2022-05-12 4 KORALESKI JOHN J MLM Common Stock A - Award D 443 6,332
2022-03-01 2022-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 379.4000 116 44 5,889
2021-12-02 2021-11-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 403.5100 109 44 5,773
2021-09-02 2021-08-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 381.2500 115 44 5,664
2021-06-01 2021-05-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 363.6500 121 44 5,549
2021-05-17 2021-05-13 4 KORALESKI JOHN J MLM Common Stock A - Award D 388 5,428
2021-03-02 2021-02-26 4 KORALESKI JOHN J MLM Common Stock A - Award D 336.8700 129 43 5,040
2020-12-02 2020-11-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 265.6300 163 43 4,911
2020-09-01 2020-08-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 202.8700 213 43 4,748
2020-06-01 2020-05-29 4 KORALESKI JOHN J MLM Common Stock A - Award D 192.0900 225 43 4,535
2020-05-15 2020-05-14 4 KORALESKI JOHN J MLM Common Stock A - Award D 770 4,310
2020-05-15 2020-05-13 4 KORALESKI JOHN J SJK HOLDINGS & INVESTMENTS, LLC MLM Common Stock P - Purchase I 164.0799 1,000 164 2,000
2020-05-06 2020-05-06 4 KORALESKI JOHN J JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991 MLM Common Stock P - Purchase I 183.5400 1,000 184 4,900
2020-03-03 2020-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 227.5300 157 36 3,540
2019-12-03 2019-11-29 4 KORALESKI JOHN J MLM Common Stock A - Award D 268.4000 133 36 3,383
2019-11-25 2019-11-25 4 KORALESKI JOHN J SJK HOLDINGS & INVESTMENTS, LLC MLM Common Stock P - Purchase I 260.2273 1,000 260 1,000
2019-09-03 2019-08-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 253.7700 141 36 3,250
2019-06-03 2019-05-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 210.5000 170 36 3,109
2019-05-13 2019-05-09 4 KORALESKI JOHN J MLM Common Stock A - Award D 600 2,939
2019-03-01 2019-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 187.8000 167 31 2,339
2018-12-18 2018-12-14 4 KORALESKI JOHN J JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991 MLM Common Stock J - Other I 2,900 3,900
2018-12-18 2018-12-14 4 KORALESKI JOHN J MLM Common Stock J - Other D -2,900 2,172
2018-12-18 2018-12-14 4 KORALESKI JOHN J JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991 MLM Common Stock P - Purchase I 174.0698 1,000 174 1,000
2018-12-04 2018-11-30 4 KORALESKI JOHN J MLM Common Stock A - Award D 190.6900 164 31 5,072
2018-09-05 2018-08-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 198.7200 158 31 4,908
2018-07-30 2018-07-27 4 KORALESKI JOHN J MLM Common Stock P - Purchase D 208.0550 2,400 499 4,750
2018-06-01 2018-05-31 4 KORALESKI JOHN J MLM Common Stock A - Award D 222.8700 141 31 2,350
2018-05-18 2018-05-17 4 KORALESKI JOHN J MLM Common Stock A - Award D 609 2,209
2018-03-02 2018-02-28 4 KORALESKI JOHN J MLM Common Stock A - Award D 163.1400 161 26 1,600
2017-08-18 2017-08-18 4 KORALESKI JOHN J MLM Common Stock P - Purchase D 198.3704 500 99 1,439
2017-05-19 2017-05-18 4 KORALESKI JOHN J MLM Common Stock A - Award D 437 939
2016-08-15 2016-08-15 4 KORALESKI JOHN J MLM Common Stock A - Award D 502 502
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)