MasTec insider plans to sell 1,929 shares, value $397,661

Rhea-AI Filing Summary

MasTec, Inc. (MTZ) reported a Form 144 notice for a proposed sale of 1,929 shares of common stock with an aggregate market value of $397,661. The approximate sale date listed is 11/03/2025, through broker Charles Schwab & Co., Inc. on the NYSE.

The shares were acquired on 10/10/2025 via a Restricted Stock Lapse as equity compensation. Shares outstanding were 78,900,930; this is a baseline figure, not the amount being offered.

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
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	1929	397661.00	78900930	11/03/2025	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 *
Common	10/10/2025	Restricted Stock Lapse	MASTEC INC			1929	10/10/2025	Equity Compensation

* 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

How many shares are included in MasTec (MTZ)’s Form 144 notice?

The notice covers 1,929 shares of MasTec common stock.

What is the aggregate market value of the proposed sale for MTZ?

The aggregate market value listed is $397,661.

When is the approximate sale date for the MTZ shares?

The approximate date of sale is 11/03/2025.

Which broker and exchange are listed for the MTZ sale?

Broker: Charles Schwab & Co., Inc.; Exchange: NYSE.

How were the MTZ shares acquired by the seller?

They were acquired on 10/10/2025 via a Restricted Stock Lapse as equity compensation.

How many MasTec shares are outstanding according to the notice?

The notice lists 78,900,930 shares outstanding.

What does a Form 144 filing indicate for MTZ?

It indicates an intention to sell restricted or control securities in compliance with Rule 144.