KORALESKI JOHN J

SEC source: 0000916076-26-000030 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,822

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: 0000916076-25-000023 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,753

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: 0000916076-25-000018 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,678

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: 0001127602-25-016306 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,602

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: 0001127602-25-014638 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,517

SEC source: 0001127602-25-007378 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,209

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: 0001127602-24-028331 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,113

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: 0001127602-24-023327 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,035

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: 0001127602-24-017471 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,948

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: 0001127602-24-015855 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,867

SEC source: 0001127602-24-007986 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,574

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: 0001127602-23-028683 · form4.xml · nonDerivative · entry 3

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,498

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: 0001127602-23-023631 · form4.xml · nonDerivative · entry 3

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,403

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: 0001127602-23-017405 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,304

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: 0001127602-23-015349 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,193

SEC source: 0001127602-23-007968 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,831

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: 0001127602-22-026679 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,709

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: 0001127602-22-021875 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,589

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: 0001127602-22-016374 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,462

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: 0001127602-22-014562 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,332

SEC source: 0001127602-22-007244 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,889

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: 0001127602-21-030146 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,773

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: 0001127602-21-024720 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,664

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: 0001127602-21-018571 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,549

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: 0001127602-21-016959 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,428

SEC source: 0001127602-21-008627 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,040

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: 0001127602-20-024516 · 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: 0001127602-20-018217 · 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: 0001127602-20-016761 · form4.xml · nonDerivative · entry 2

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,310

SEC source: 0001127602-20-016761 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · SJK HOLDINGS & INVESTMENTS, LLC

Disclosed balance after: 2,000

SEC source: 0001127602-20-015598 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991

Disclosed balance after: 4,900

SEC source: 0001127602-20-008787 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,540

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: 0001127602-19-034043 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,383

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: 0001127602-19-033662 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · SJK HOLDINGS & INVESTMENTS, LLC

Disclosed balance after: 1,000

F1 · ownership.nature: The revocable trust of the reporting person owns 50% of the membership interests in SJK Holdings & Investments, LLC.

SEC source: 0001127602-19-027669 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,250

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: 0001127602-19-020559 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,109

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: 0001127602-19-018248 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,939

SEC source: 0001127602-19-009160 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,339

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: 0001127602-18-036505 · form4.xml · nonDerivative · entry 3

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991

Disclosed balance after: 3,900

F1 · shares: These shares were previously reported as directly owned by the Reporting Person but were purchased into the Koraleski Living Trust under Agreement dated January 18, 1991 on August 18, 2017 (500 shares) and July 27, 2018 (2,400 shares).

SEC source: 0001127602-18-036505 · form4.xml · nonDerivative · entry 2

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,172

F1 · shares: These shares were previously reported as directly owned by the Reporting Person but were purchased into the Koraleski Living Trust under Agreement dated January 18, 1991 on August 18, 2017 (500 shares) and July 27, 2018 (2,400 shares).

SEC source: 0001127602-18-036505 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · JJ KORALESKI & SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991

Disclosed balance after: 1,000

SEC source: 0001127602-18-035087 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,072

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: 0001127602-18-026757 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,908

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: 0001127602-18-023993 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,750

SEC source: 0001127602-18-019494 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,350

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: 0001127602-18-018066 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,209

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: 0001127602-17-026018 · 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: 0001127602-17-018740 · form4.xml · nonDerivative · entry 1

KORALESKI JOHN J · CIK 0001200010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 939