MLMMartin Marietta Materials

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Filings with the SEC since Feb 5, 2016

1,009 filings, 5 in the last 30 days

SEC filing index

Latest annual reportOpen ↗

Feb 19, 2026

10-K, period to Dec 31, 2025

Latest quarterly reportOpen ↗

Nov 4, 2026

10-Q, period to Sep 30, 2026

Latest current reportOpen ↗

Nov 4, 2026

8-K: Quarterly results, Regulation FD disclosure

Filed in the last 30 days

of 1,009 in all

Timeline

Every filing on one line

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

Newest first, by kind

Each form links to sec.gov

All 1009 Annual & quarterly 45 Current reports (8-K) 142 Insiders 706 Proxy & votes 14 Big owners (13D/13G) 47 Shares & debt offered 25 SEC letters 11 Other 19

Filed	Form	What it is	Period
Nov 4, 2026	10-Q	Quarterly report	Sep 30, 2026	all files · tables
Jul 30, 2026	10-Q	Quarterly report	Jun 30, 2026	all files · tables
Apr 30, 2026	10-Q	Quarterly report	Mar 31, 2026	all files · tables
Feb 19, 2026	10-K	Annual report	Dec 31, 2025	all files · tables
Nov 4, 2025	10-Q	Quarterly report	Sep 30, 2025	all files · tables
Aug 7, 2025	10-Q	Quarterly report	Jun 30, 2025	all files · tables
Apr 30, 2025	10-Q	Quarterly report	Mar 31, 2025	all files · tables
Feb 21, 2025	10-K	Annual report	Dec 31, 2024	all files · tables
Oct 30, 2024	10-Q	Quarterly report	Sep 30, 2024	all files · tables
Aug 8, 2024	10-Q	Quarterly report	Jun 30, 2024	all files · tables
Apr 30, 2024	10-Q	Quarterly report	Mar 31, 2024	all files · tables
Feb 23, 2024	10-K	Annual report	Dec 31, 2023	all files · tables
Nov 1, 2023	10-Q	Quarterly report	Sep 30, 2023	all files · tables
Jul 27, 2023	10-Q	Quarterly report	Jun 30, 2023	all files · tables
May 4, 2023	10-Q	Quarterly report	Mar 31, 2023	all files · tables
Feb 24, 2023	10-K	Annual report	Dec 31, 2022	all files · tables
Nov 2, 2022	10-Q	Quarterly report	Sep 30, 2022	all files · tables
Jul 28, 2022	10-Q	Quarterly report	Jun 30, 2022	all files · tables
May 3, 2022	10-Q	Quarterly report	Mar 31, 2022	all files · tables
Feb 22, 2022	10-K	Annual report	Dec 31, 2021	all files · tables
Nov 2, 2021	10-Q	Quarterly report	Sep 30, 2021	all files · tables
Jul 29, 2021	10-Q	Quarterly report	Jun 30, 2021	all files · tables
May 4, 2021	10-Q	Quarterly report	Mar 31, 2021	all files · tables
Feb 19, 2021	10-K	Annual report	Dec 31, 2020	all files · tables
Oct 29, 2020	10-Q	Quarterly report	Sep 30, 2020	all files · tables
Jul 28, 2020	10-Q	Quarterly report	Jun 30, 2020	all files · tables
May 5, 2020	10-Q	Quarterly report	Mar 31, 2020	all files · tables
Feb 21, 2020	10-K	Annual report	Dec 31, 2019	all files · tables
Oct 30, 2019	10-Q	Quarterly report	Sep 30, 2019	all files · tables
Jul 31, 2019	10-Q	Quarterly report	Jun 30, 2019	all files · tables
May 1, 2019	10-Q	Quarterly report	Mar 31, 2019	all files · tables
Mar 18, 2019	10-K/A	Annual report (amended)	Dec 31, 2018	all files · tables
Feb 25, 2019	10-K	Annual report	Dec 31, 2018	all files · tables
Nov 7, 2018	10-Q	Quarterly report	Sep 30, 2018	all files · tables
Jul 27, 2018	10-Q	Quarterly report	Jun 30, 2018	all files · tables
May 8, 2018	10-Q	Quarterly report	Mar 31, 2018	all files · tables
Feb 23, 2018	10-K	Annual report	Dec 31, 2017	all files · tables
Nov 2, 2017	10-Q	Quarterly report	Sep 30, 2017	all files · tables
Aug 1, 2017	10-Q	Quarterly report	Jun 30, 2017	all files · tables
May 10, 2017	10-Q	Quarterly report	Mar 31, 2017	all files · tables
Feb 24, 2017	10-K	Annual report	Dec 31, 2016	all files · tables
Nov 2, 2016	10-Q	Quarterly report	Sep 30, 2016	all files · tables
Aug 4, 2016	10-Q	Quarterly report	Jun 30, 2016	all files · tables
May 5, 2016	10-Q	Quarterly report	Mar 31, 2016	all files · tables
Feb 23, 2016	10-K	Annual report	Dec 31, 2015	all files · tables

Show the other 20 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

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