Exit Report under Regulation A (Form 1-Z)

Exact name of issuer as specified in the issuer's charter	Masterworks 129, LLC
Address of Principal Executive Offices
Address 1	1 World Trade Center
Address 2	57th Floor
City	New York
State/Country	NEW YORK
Mailing Zip/ Postal Code	10007
Phone	203-518-5172
Commission File Number(s)	024-11901

Certification

Title of each class of securities covered by this Form	Class A Ordinary Shares
Commission File Number(s)	024-11901
Approximate number of holders of record as of the certification date	0

Signature

Pursuant to the requirements of Regulation A,

Cik	0001917660

(Name of issuer as specified in charter)

Masterworks 129, LLC

certifies that it meets all of the conditions for termination of Regulation A reporting specified in Rule 257(d) and that there are no classes of securities other than those that are the subject to this Form 1-Z regarding which the issuer has Regulation A reporting obligations.

(Name of issuer as specified in charter)

Masterworks 129, LLC

Has caused this certification to be signed on its behalf by the undersigned duly authorized person.

By	/s/ Josh Goldstein
Date	06-29-2026
Title	General Counsel, Secretary and Member of the Board of Managers

Instructions: This Part II of Form 1-Z is required by Rule 257(d) of Regulation A. An officer of the issuer or any other duly authorized person may sign, and must do so by typed signature. The name and title of the person signing the form must be typed or printed under the signature. The signatory to the filing must also manually sign a signature page or other document authenticating, acknowledging or otherwise adopting his or her signature that appears in the filing. Such document must be executed before or at the time the filing is made and must be retained by the issuer for a period of five years. Upon request, the issuer must furnish to the Commission or its staff a copy of any or all documents retained pursuant to this instruction.