MLM

SEC source: 0001127602-18-017287 · form4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,312

SEC source: 0001127602-18-017287 · form4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,412

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: 0001127602-18-017287 · 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: 50,758

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.35 to $213.55, 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 sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-18-017287 · 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: 56,029

SEC source: 0001127602-18-017287 · 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: 57,339

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: 0001127602-18-017287 · 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: 53,854

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: 0001127602-18-018989 · form4a.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,651

Underlying: Common Stock · 827 shares

Expires 2025-05-21

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.

F2 · derivative.exercise_date: Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan. Options become exercisable in four equal annual installments commencing one year from the date of grant.

SEC source: 0001127602-18-018989 · form4a.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,585

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 · shares: The Reporting Person is amending the Form 4 filed on May 14, 2018 with respect to the May 11, 2018 exercise of non-qualified stock options reported in that Form 4, to correctly report that the number of options exercised was 827 instead of 1,654.

SEC source: 0001127602-18-017160 · form4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,196 shares

Expires 2018-05-27

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.

F2 · derivative.exercise_date: Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan. Options become exercisable in four equal annual installments commencing one year from the date of grant.

SEC source: 0001127602-18-017160 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,781

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.77 to $214.00, 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 sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-18-017160 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,190

SEC source: 0001127602-18-017160 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,977

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: 0001127602-18-017159 · form4.xml · derivative · entry 3

Quillen Michael J · CIK 0001317673 · 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.

F2 · 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: 0001127602-18-017159 · form4.xml · nonDerivative · entry 2

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,283

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.75 to $211.85, 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 sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-18-017159 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,283

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: 0001127602-20-005018 · form4.xml · nonDerivative · entry 3

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 462.6933

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: 0001127602-20-020789 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,292.994

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 2018 and 2019. 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 13

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,804.613

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: 0001127602-18-013349 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,781

SEC source: 0001127602-18-013348 · form4.xml · nonDerivative · entry 1

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 461

SEC source: 0001127602-18-013346 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,524

SEC source: 0001127602-18-013343 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,686

SEC source: 0001127602-18-013342 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,288

SEC source: 0001127602-18-013341 · 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: 50,758

SEC source: 0001127602-18-011338 · form4.xml · derivative · entry 4

COLE SUE W · CIK 0001166747 · 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.

F2 · 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: 0001127602-18-011338 · form4.xml · nonDerivative · entry 2

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,145

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.62 to $210.41, 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 sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-18-011338 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,145

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: 0001127602-18-009509 · form4.xml · nonDerivative · entry 1

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,695

F1 · shares: 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: 0001127602-18-009507 · form4.xml · nonDerivative · entry 1

REDIKER DENNIS L · CIK 0001189878 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,031

F1 · shares: 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: 0001127602-18-009505 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,283

F1 · shares: 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: 0001127602-18-009503 · form4.xml · nonDerivative · entry 1

MAFFUCCI DAVID G · CIK 0001183957 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,238

F1 · shares: 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: 0001127602-18-009499 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,600

F1 · shares: 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: 0001127602-18-009498 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,145

F1 · shares: 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: 0001127602-18-008459 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,244

SEC source: 0001127602-18-008459 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,602

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: 0001127602-18-008459 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,179

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: 0001127602-18-008459 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,640

SEC source: 0001127602-18-008457 · form4.xml · nonDerivative · entry 1

Nickolas James AJ · CIK 0001715189 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,317

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: 0001127602-18-008453 · form4.xml · nonDerivative · entry 1

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,026

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: 0001127602-18-008450 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,737

SEC source: 0001127602-18-008450 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,112

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: 0001127602-18-008450 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,853

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: 0001127602-18-008450 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,675

SEC source: 0001127602-18-008449 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,873

SEC source: 0001127602-18-008449 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,220

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: 0001127602-18-008449 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,067

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: 0001127602-18-008449 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,135

SEC source: 0001127602-18-008448 · form4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,446

SEC source: 0001127602-18-008448 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,802

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: 0001127602-18-008448 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,614

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.