[144] Martin Marietta Materials SEC Filing

Rhea-AI Filing Summary

Martin Marietta Materials, Inc. (MLM) filed a Form 144 reporting a proposed sale of 1,038 shares of common stock through Fidelity Investments, with an aggregate market value of $623,111.40. The sale is scheduled to occur on or about 08/08/2025 on the NYSE. The 1,038 shares were acquired as distributions of restricted stock awards across 2020–2025 (140 in 2020, 194 in 2021, 222 in 2022, 181 in 2023, 147 in 2024, and 154 in 2025).

The filing shows 60,306,003 shares outstanding, so the proposed sale represents approximately 0.0017% of outstanding shares. The filer reports no securities sold in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.

Insights

Financial Analyst

TL;DR: Routine insider notice; sale size is negligible relative to market capitalization and unlikely to affect valuation.

The Form 144 discloses a proposed sale of 1,038 shares valued at $623,111.40, routed through Fidelity and slated for 08/08/2025. These shares originate from scheduled distributions of restricted stock awards between 2020 and 2025, indicating planned employee/insider monetization rather than a market-driven transfer. Given total outstanding shares of 60,306,003, the sale equals roughly 0.0017% of the float, which is immaterial to liquidity or share price on its own.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements and shows transparency; no governance red flags apparent in the notice.

The filing provides required Rule 144 detail: broker, number of shares, aggregate value, acquisition dates, and that the shares stem from restricted stock distributions. The absence of any sales in the prior three months and the signer’s certification about material information are standard. There is no indication of accelerated sales or clustering that might raise governance concerns based on this notice alone.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Martin Marietta Materials, Inc.	Fidelity Investments 100 Summer Street Boston MA 02210	1038	623111.40	60306003	08/08/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Martin Marietta Materials, Inc.	05/14/2020	Distribution of restricted stock award	Martin Marietta Materials, Inc.			140	05/14/2020	N/A
Martin Marietta Materials, Inc.	05/13/2021	Distribution of restricted stock award	Martin Marietta Materials, Inc.			194	05/13/2021	N/A
Martin Marietta Materials, Inc.	05/12/2022	Distribution of restricted stock award	Martin Marietta Materials, Inc.			222	05/12/2022	N/A
Martin Marietta Materials, Inc.	05/11/2023	Distribution of restricted stock award	Martin Marietta Materials, Inc.			181	05/11/2023	N/A
Martin Marietta Materials, Inc.	05/16/2024	Distribution of restricted stock award	Martin Marietta Materials, Inc.			147	05/16/2024	N/A
Martin Marietta Materials, Inc.	05/15/2025	Distribution of restricted stock award	Martin Marietta Materials, Inc.			154	05/15/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did Martin Marietta (MLM) report on Form 144?

MLM reported a proposed sale of 1,038 shares with an aggregate market value of $623,111.40, to be executed on 08/08/2025 on the NYSE via Fidelity Investments.

How were the 1,038 shares acquired by the filer?

The shares were acquired as distributions of restricted stock awards on 05/14/2020 (140), 05/13/2021 (194), 05/12/2022 (222), 05/11/2023 (181), 05/16/2024 (147), and 05/15/2025 (154).

What percentage of outstanding shares does the proposed sale represent for MLM?

The filing lists 60,306,003 shares outstanding, so the proposed sale of 1,038 shares equals approximately 0.0017% of outstanding stock.

Did the filer report any securities sold in the past three months?

No. The Form 144 indicates Nothing to Report for securities sold during the past three months by the person for whose account the securities are to be sold.

Which broker is handling the proposed sale?

The proposed sale is listed with Fidelity Investments, 100 Summer Street, Boston, MA as the broker of record.

Does the filing include any representations about undisclosed information?

Yes. By signing the notice, the filer represents they do not know any material adverse information about the issuer that has not been publicly disclosed.