MLM

SEC source: 0001127602-18-008448 · form4.xml · nonDerivative · entry 1

Grant Daniel L. · CIK 0001595816 · SVP - Strategy and Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,651

SEC source: 0001127602-18-008446 · form4.xml · nonDerivative · entry 4

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,039

SEC source: 0001127602-18-008446 · form4.xml · nonDerivative · entry 3

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,499

F2 · shares: Represents the settlement of performance share units into common stock that were granted under the Martin Marietta Amended and Restated Stock Based Award Plan on January 20, 2015. The ultimate amount of shares to be received under the grant depended on the achievement of performance goals during a three-year performance period from January 1, 2015 through December 31, 2017. On February 22, 2018, Martin Marietta's Management Development and Compensation Committee certified the attainment of the applicable performance goals and approved the settlement of the PSU grant. The shares underlying the PSUs vested on December 31, 2017.

SEC source: 0001127602-18-008446 · form4.xml · nonDerivative · entry 2

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,964

F1 · shares: Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award vests pro rata in equal installments over three years from the date of grant.

SEC source: 0001127602-18-008446 · form4.xml · nonDerivative · entry 1

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,125

SEC source: 0001127602-18-006424 · form4.xml · derivative · entry 3

PEREZ LAREE E · CIK 0001243153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,000 shares

Expires 2018-05-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan. Options are exercisable immediately.

SEC source: 0001127602-18-006424 · form4.xml · nonDerivative · entry 2

PEREZ LAREE E · CIK 0001243153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,751

SEC source: 0001127602-18-006424 · form4.xml · nonDerivative · entry 1

PEREZ LAREE E · CIK 0001243153 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,751

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-18-004375 · form4.xml · nonDerivative · entry 1

Nye C Howard · CIK 0001373147 · Director · Chairman, Pres & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,747

SEC source: 0001127602-18-004372 · form4.xml · nonDerivative · entry 1

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 549

SEC source: 0001127602-18-004370 · form4.xml · nonDerivative · entry 1

McCunniff Donald A. · CIK 0001355849 · SVP - Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,201

SEC source: 0001127602-18-004368 · form4.xml · nonDerivative · entry 1

Guzzo Dana F. · CIK 0001540536 · SVP/Controller/CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,789

SEC source: 0001127602-18-004366 · form4.xml · nonDerivative · entry 1

Grant Daniel L. · CIK 0001595816 · SVP - Strategy and Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,149

SEC source: 0001127602-18-004359 · form4.xml · nonDerivative · entry 1

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,190

SEC source: 0001127602-20-005018 · form4.xml · nonDerivative · entry 2

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526.9726

F1 · shares: 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 2017 and 2018. These transactions should have been previously reported on two Form 5s and were inadvertently reported late by the Reporting Person.

SEC source: 0001127602-20-021365 · form4.xml · nonDerivative · entry 12

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,715.967

F1 · shares: 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 2015, 2016, 2017, 2018, 2019 and 2020. These transactions should have been previously reported on Form 4 or Form 5, as applicable, and were inadvertently reported late by the Reporting Person.

SEC source: 0001127602-17-034892 · form4.xml · nonDerivative · entry 1

Grant Daniel L. · CIK 0001595816 · SVP - Strategy and Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,260

SEC source: 0001127602-17-033828 · form4.xml · nonDerivative · entry 1

Nye C Howard · CIK 0001373147 · Director · Chairman, Pres & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,820

SEC source: 0001127602-17-033827 · form4.xml · nonDerivative · entry 1

McCunniff Donald A. · CIK 0001355849 · SVP - Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,372

SEC source: 0001127602-17-033826 · form4.xml · nonDerivative · entry 1

Guzzo Dana F. · CIK 0001540536 · SVP/Controller/CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,927

SEC source: 0001127602-17-033825 · form4.xml · nonDerivative · entry 1

Grant Daniel L. · CIK 0001595816 · SVP - Strategy and Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,325

SEC source: 0001127602-17-033824 · form4.xml · nonDerivative · entry 1

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,443

SEC source: 0001127602-17-033729 · form4.xml · nonDerivative · entry 1

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,612

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-033728 · form4.xml · nonDerivative · entry 1

REDIKER DENNIS L · CIK 0001189878 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,998

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-033726 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,079

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-033724 · form4.xml · nonDerivative · entry 1

MAFFUCCI DAVID G · CIK 0001183957 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,201

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-033722 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,979

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-20-005018 · form4.xml · nonDerivative · entry 1

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526.6517

F1 · shares: 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 2017 and 2018. These transactions should have been previously reported on two Form 5s and were inadvertently reported late by the Reporting Person.

F2 · balance_after: Includes 0.305 shares that the Reporting Person inadvertently did not include on his Form 3.

SEC source: 0001127602-20-021365 · form4.xml · nonDerivative · entry 11

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,629.723

F1 · shares: 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 2015, 2016, 2017, 2018, 2019 and 2020. These transactions should have been previously reported on Form 4 or Form 5, as applicable, and were inadvertently reported late by the Reporting Person.

SEC source: 0001127602-17-026974 · form4.xml · nonDerivative · entry 1

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,531

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-026973 · form4.xml · nonDerivative · entry 1

REDIKER DENNIS L · CIK 0001189878 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,966

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-026972 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,879

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-026970 · form4.xml · nonDerivative · entry 1

MAFFUCCI DAVID G · CIK 0001183957 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,165

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-026964 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,817

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-026292 · form4.xml · nonDerivative · entry 1

Nickolas James AJ · CIK 0001715189 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,636

F1 · shares: Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award vests in three installments, with 1,506 units vesting on December 31, 2018, 1,083 units vesting on December 31, 2019, and 4,047 units vesting on the fifth anniversary of the award date, subject to continued employment and other terms and conditions specified in the award agreement.

SEC source: 0001127602-17-026018 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,439

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $198.3309 to $198.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-20-021365 · form4.xml · nonDerivative · entry 10

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,544.183

F1 · shares: 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 2015, 2016, 2017, 2018, 2019 and 2020. These transactions should have been previously reported on Form 4 or Form 5, as applicable, and were inadvertently reported late by the Reporting Person.

SEC source: 0001127602-17-020023 · form4.xml · nonDerivative · entry 1

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,451

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-020021 · form4.xml · nonDerivative · entry 1

REDIKER DENNIS L · CIK 0001189878 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,935

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-020019 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,682

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-020017 · form4.xml · nonDerivative · entry 1

MAFFUCCI DAVID G · CIK 0001183957 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,129

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-020009 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,657

F1 · security: Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.

SEC source: 0001127602-17-019273 · form4.xml · nonDerivative · entry 1

McCunniff Donald A. · CIK 0001355849 · SVP - Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,540

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-019274 · form4.xml · nonDerivative · entry 1

Nye C Howard · CIK 0001373147 · Director · Chairman, Pres & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,769

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-019272 · form4.xml · nonDerivative · entry 1

LLOYD ANNE H · CIK 0001234192 · EVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,786

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-019270 · form4.xml · nonDerivative · entry 1

Grant Daniel L. · CIK 0001595816 · SVP - Strategy and Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,559

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-019271 · form4.xml · nonDerivative · entry 1

Guzzo Dana F. · CIK 0001540536 · SVP/Controller/CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,142

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-019269 · form4.xml · nonDerivative · entry 1

BAR ROSELYN R · CIK 0001164744 · EVP, General Counsel and Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,756

F1 · shares: Shares withheld in payment of tax liability upon the vesting of previously reported restricted stock unit awards.

SEC source: 0001127602-17-018749 · form4.xml · nonDerivative · entry 1

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,375

SEC source: 0001127602-17-018748 · form4.xml · nonDerivative · entry 1

SLAGER DONALD W · CIK 0001245142 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 978