MLM

SEC source: 0001127602-21-006794 · form4.xml · nonDerivative · entry 2

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,993.4488

SEC source: 0001127602-21-006794 · form4.xml · nonDerivative · entry 1

Mohr John P · CIK 0001714996 · SVP - CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,910.4488

F1 · 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 February 22, 2018. 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, 2018 through December 31, 2020. On February 17, 2021, 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, 2020.

SEC source: 0001127602-21-006781 · form4.xml · nonDerivative · entry 2

LaTorre Craig M · CIK 0001776295 · Sr. VP, CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,284

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: 0001127602-21-006781 · form4.xml · nonDerivative · entry 1

LaTorre Craig M · CIK 0001776295 · Sr. VP, CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,141

SEC source: 0001127602-21-006777 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,423.46

SEC source: 0001127602-21-006777 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,285.46

F1 · 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 February 22, 2018. 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, 2018 through December 31, 2020. On February 17, 2021, 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, 2020.

SEC source: 0001127602-21-006766 · 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: 58,733

SEC source: 0001127602-21-006766 · 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: 57,596

F2 · 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: 0001127602-21-006766 · 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: 56,006

SEC source: 0001127602-21-006766 · 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: 57,937

F1 · 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 February 22, 2018. 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, 2018 through December 31, 2020. On February 17, 2021, 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, 2020.

SEC source: 0001127602-21-006767 · form4.xml · nonDerivative · entry 2

Cardin Robert J · CIK 0001592427 · Sr. VP, Controller and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,369

SEC source: 0001127602-21-006767 · form4.xml · nonDerivative · entry 1

Cardin Robert J · CIK 0001592427 · Sr. VP, Controller and CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,785

SEC source: 0001127602-20-031993 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,036.46

SEC source: 0001127602-20-031991 · 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: 53,639

SEC source: 0001127602-20-031924 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Charles Howard Nye Irrevocable Trust

Disclosed balance after: 85,400

F1 · shares: The reported transaction involved a gift of securities for estate and tax planning purposes. No securities were sold.

SEC source: 0001127602-20-031924 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,769

F1 · shares: The reported transaction involved a gift of securities for estate and tax planning purposes. No securities were sold.

SEC source: 0001127602-20-030388 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 167,169

SEC source: 0001127602-20-030386 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,073.46

SEC source: 0001127602-20-030384 · 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: 53,711

SEC source: 0001127602-20-030271 · form4.xml · nonDerivative · entry 1

WAJSGRAS DAVID C · CIK 0001193800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,206

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: 0001127602-20-030269 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,213

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: 0001127602-20-030265 · form4.xml · nonDerivative · entry 1

Davis Smith W · CIK 0001741178 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,589

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: 0001127602-20-030267 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,911

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: 0001127602-20-030263 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,009

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: 0001127602-20-029939 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,004 shares

Expires 2023-05-23

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: 0001127602-20-029939 · 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: 54,116

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $274.00 to $275.32, 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: 0001127602-20-029939 · 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: 64,120

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: 0001127602-20-028602 · form4.xml · nonDerivative · entry 1

Foxx Anthony R · CIK 0001831914 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 508

SEC source: 0001127602-20-024877 · form4.xml · nonDerivative · entry 2

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,896

SEC source: 0001127602-20-024877 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,364

SEC source: 0001127602-20-024520 · form4.xml · nonDerivative · entry 1

WAJSGRAS DAVID C · CIK 0001193800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,088

SEC source: 0001127602-20-024518 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,085

SEC source: 0001127602-20-024516 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,748

SEC source: 0001127602-20-024514 · form4.xml · nonDerivative · entry 1

Davis Smith W · CIK 0001741178 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,468

SEC source: 0001127602-20-024512 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,114

SEC source: 0001127602-20-020789 · form4.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,286.46

F2 · 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.

SEC source: 0001127602-20-021365 · form4.xml · nonDerivative · entry 24

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,955

SEC source: 0001127602-20-021365 · form4.xml · nonDerivative · entry 23

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,305

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $225.2131 to $225.32, 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: 0001127602-20-021365 · form4.xml · nonDerivative · entry 22

ZELNAK STEPHEN P JR · CIK 0001084501 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,689.687

SEC source: 0001127602-20-018222 · form4.xml · nonDerivative · entry 1

WAJSGRAS DAVID C · CIK 0001193800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 933

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: 0001127602-20-018220 · form4.xml · nonDerivative · entry 1

Quillen Michael J · CIK 0001317673 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,918

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: 0001127602-20-018217 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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: 0001127602-20-018211 · form4.xml · nonDerivative · entry 1

COLE SUE W · CIK 0001166747 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,966

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: 0001127602-20-018213 · form4.xml · nonDerivative · entry 1

Davis Smith W · CIK 0001741178 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,310

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: 0001127602-20-017701 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,000 shares

Expires 2020-05-24

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: 0001127602-20-017701 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,718

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.12 to $178.41, 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: 0001127602-20-017701 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 176,363

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: 0001127602-20-017697 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,513 shares

Expires 2020-05-24

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 become exercisable in four equal annual installments commencing one year from the date of grant.

SEC source: 0001127602-20-017697 · 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: 60,116

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: 0001127602-20-016775 · form4.xml · nonDerivative · entry 1

WAJSGRAS DAVID C · CIK 0001193800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 770