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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
916076	Martin Marietta Materials Inc	MLM	Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)	561848578

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1595816	L. Daniel Grant	2710 Wycliff Road Raleigh NC 27607	Svp - Strategy And Development	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2018-03-29	5	$203.17	16,293	No	4	P	Direct
Common Stock	Acquisiton	2018-06-29	5	$222.50	16,082	No	4	P	Direct
Common Stock	Acquisiton	2018-09-28	10	$185.79	16,092	No	4	P	Direct
Common Stock	Acquisiton	2018-12-31	12	$168.90	15,876	No	4	P	Direct
Common Stock	Acquisiton	2019-03-29	10	$200.33	18,551	No	4	P	Direct
Common Stock	Acquisiton	2019-06-28	10	$226.67	18,561	No	4	P	Direct
Common Stock	Acquisiton	2019-09-30	14	$271.35	15,198	No	4	P	Direct
Common Stock	Acquisiton	2019-12-31	22	$277.35	14,927	No	4	P	Direct
Common Stock	Acquisiton	2020-03-31	35	$177.62	18,255	No	5	L	Direct
Common Stock	Acquisiton	2020-06-30	31	$202.10	18,286	No	5	L	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	5	L	Direct
No	5	L	Direct

Footnotes

Represents shares acquired by the Reporting Person under an automatic dividend reinvestment program through his broker for quarterly cash dividends paid by the Issuer to stockholders in 2018 and 2019. These transactions should have been previously reported on two Form 5s and were inadvertently reported late by the Reporting Person.
Represents shares acquired by the Reporting Person under an automatic dividend reinvestment program through his broker for quarterly cash dividends paid by the Issuer to stockholders.