MLMMartin Marietta Materials

Materials · Aggregates · NYSE

Martin Marietta Materials, Inc. (the Company or Martin Marietta) is a leading natural resource-based building materials company. 10-K, Item 1

Headquarters: Raleigh, NC
CEO: C. Howard Nye
Next results: around Feb 10, 2027

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Timeline

1 yr 2 yr 3 yr

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)

20252026

All 44 events

Nov 4, 20268-K Current report (amended) 8-K
Nov 4, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Nov 4, 202610-Q Quarterly report (10-Q) period ended Sep 30, 2026
Sep 16, 20268-K Material agreement signed 8-K item 1.01
Aug 24, 20268-K Material agreement signed, Acquisition or sale of assets completed, Unregistered share sale, Director or officer change, Regulation FD disclosure 8-K items 1.01, 2.01, 3.02, 5.02, 7.01
Aug 18, 20268-K Material agreement signed, Material agreement ended, New debt or obligation 8-K items 1.01, 1.02, 2.03
Aug 14, 20268-K Material agreement signed, New debt or obligation, Other events 8-K items 1.01, 2.03, 8.01
Aug 12, 20268-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
Aug 10, 20268-K Other events 8-K item 8.01
Aug 5, 20268-K Other events 8-K item 8.01
Aug 4, 2026Officer CFO change In connection with his promotion to the role of Executive Vice President, Chief Financial Officer, the Company and Mr.
Jul 30, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Jul 30, 202610-Q Quarterly report (10-Q) period ended Jun 30, 2026
Jul 15, 20268-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Jun 29, 20268-K Regulation FD disclosure 8-K item 7.01
Jun 29, 20268-K Material agreement signed, Unregistered share sale, Other events 8-K items 1.01, 3.02, 8.01
May 14, 20268-K Director or officer change, Shareholder vote results 8-K items 5.02, 5.07
Apr 30, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Apr 30, 202610-Q Quarterly report (10-Q) period ended Mar 31, 2026
Apr 27, 2026Officer COO change In connection with his promotion to the role of Executive Vice President, Chief Operating Officer, the Company and Mr.
Feb 23, 20268-K Acquisition or sale of assets completed, Regulation FD disclosure 8-K items 2.01, 7.01
Feb 19, 2026Offering Shelf registration: shares and other securities, amount not fixed S-3ASR · may offer, issue and sell from time to time, together or separately: ● debt securities, which may be senior or subordinated, convertible or non-convertible; shares of our preferred stock; shares of our common stock; and warrants to purchase debt or equity securities.
Feb 19, 202610-K Annual report (10-K) period ended Dec 31, 2025
Feb 13, 20268-K Item 1.04 8-K item 1.04
Feb 11, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Jan 2, 20268-K Regulation FD disclosure 8-K item 7.01
Dec 19, 20258-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Nov 4, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Nov 4, 202510-Q Quarterly report (10-Q) period ended Sep 30, 2025
Sep 17, 20258-K Material agreement signed 8-K item 1.01
Sep 3, 20258-K Regulation FD disclosure 8-K item 7.01
Aug 7, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Aug 7, 20258-K Material agreement signed 8-K item 1.01
Aug 7, 202510-Q Quarterly report (10-Q) period ended Jun 30, 2025
Aug 4, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Jul 8, 20258-K Director or officer change 8-K item 5.02
May 15, 20258-K Shareholder vote results 8-K item 5.07
Apr 30, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Apr 30, 202510-Q Quarterly report (10-Q) period ended Mar 31, 2025
Apr 10, 2025Officer CFO change Nickolas notified Martin Marietta of his decision to resign as Executive Vice President and Chief Financial Officer, effective April 11, 2025 (the “Transition Date”), to join a publicly traded equipment, technology and services company as its Chief Financial Officer.
Feb 21, 202510-K Annual report (10-K) period ended Dec 31, 2024
Feb 12, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Dec 20, 20248-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Dec 3, 20248-K Director or officer change 8-K item 5.02

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing MLM made with the SEC since Feb 5, 2016, newest first, linked to the document on sec.gov. Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results".

All 1008 Annual & quarterly 45 Current reports (8-K) 142 Insiders 706 Proxy & votes 14 Big owners (13D/13G) 46 Shares & debt offered 25 SEC letters 11 Other 19

Filed	Form	What it is	Period
Apr 15, 2026	DEF 14A	Proxy statement	May 14, 2026	all files
Apr 15, 2025	DEF 14A	Proxy statement	May 15, 2025	all files
Apr 15, 2024	DEF 14A	Proxy statement	May 16, 2024	all files
Apr 24, 2023	PX14A6G	Shareholder's proxy letter		all files
Apr 14, 2023	DEF 14A	Proxy statement		all files
Apr 13, 2022	DEF 14A	Proxy statement	May 12, 2022	all files
Apr 13, 2021	DEF 14A	Proxy statement	May 13, 2021	all files
Apr 16, 2020	DEF 14A	Proxy statement	May 14, 2020	all files
Apr 10, 2019	DEF 14A	Proxy statement	May 9, 2019	all files
Apr 19, 2018	DEF 14A	Proxy statement	May 17, 2018	all files
Apr 20, 2017	PX14A6G	Shareholder's proxy letter		all files
Apr 17, 2017	DEF 14A	Proxy statement	May 18, 2017	all files
Apr 20, 2016	DEF 14A	Proxy statement	May 19, 2016	all files
Apr 8, 2016	PRE 14A		May 19, 2016	all files

From SEC's filing index (data.sec.gov submissions).

Work on MLM in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/MLM/export.csv") into a cell.