SCHEDULE 13D

The principal business address for each of the Reporting Persons is Office No. 105 One Central, The Offices 4, Dubai World Trade Center, PO Box 333357, Dubai, United Arab Emirates.

The principal business of Sumed Equity Ltd is holding securities of the Company. The principal business of BECO Booster Fund II, L.P. is investing as a venture capital fund. The principal business of BECO Booster Fund II GP, LLC is serving as the general partner of BECO Booster Fund II, L.P. The primary business of each of Messrs. Hammad and Farha is serving as directors, managing members or the equivalent of Sumed Equity Ltd, BECO Booster Fund II GP, LLC and other affiliated entities related to investing.

None of the Reporting Persons has during the last five years been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

None of the Reporting Persons has during the last five years been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and, as a result of such proceeding, was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

See Item 2(a)-(b) above for citizenship or place of organization, as applicable, of each of the Reporting Persons.

The securities reported herein as beneficially owned were acquired pursuant to the Business Combination described below. Galata, a blank check company incorporated in the Cayman Islands and formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses, entered into a Business Combination Agreement, dated as of July 29, 2022 (as amended by Amendment No. 1 to the Business Combination Agreement, dated as of April 28, 2023, the Merger Agreement), by and among itself, Marti Technologies Inc., a Delaware Corporation ( Marti), and Galata Merger Sub Inc., a wholly owned direct subsidiary of Galata (Merger Sub). Pursuant to the Merger Agreement, and subject to the terms and conditions contained therein, the business combination was effected when the Merger Sub merged with and into Marti (the Merger), with Marti surviving the Merger as a direct wholly owned subsidiary of the Company. The Merger closed on July 10, 2023. Pursuant to the Merger, Sumed Equity Ltd received, in exchange for securities of Marti it previously held, 7,877,922 Class A Ordinary Shares. In connection with the Merger, Sumed Equity Ltd received an earn-out right to receive 1,459,637 Class A Ordinary Shares, subject to adjustment as described in the Business Combination Agreement. The earn-out right vests upon the Company's Class A Ordinary Shares achieving a daily average price per share which equals or exceeds $20.00 over at least 10 trading days out of a 20 consecutive trading day period prior to July 10, 2028. Concurrent with the closing of the Business Combination, Sumed Equity Ltd received, in exchange for a convertible note of Marti with a principal value of $1,000,000, a senior convertible note of the Company with a principal value of $1,286,572 governed by that certain Indenture by and between New Marti and U.S. Bank Trust Company, National Association dated as of July 10, 2023 (the Indenture). The above summary is qualified by reference to the full text of the Business Combination Agreement, which is filed as Exhibit 2.1(a) to this Amendment and is incorporated herein by reference. The above summary is qualified by reference to the full text of the Indenture, which is filed as Exhibit 2.1(b) to this Amendment and is incorporated herein by reference. On May 21, 2025, Sumed Equity Ltd and BECO Booster Fund II, L.P. distributed 710,408 Class A Ordinary Shares to their respective beneficial owners. The information in Item 6 of this Amendment is incorporated herein by reference.

The information in Item 6 of this Amendment is incorporated herein by reference. The Reporting Persons hold the Company securities reported herein for investment purposes, subject to the following: The Reporting Persons intend to review on a continuing basis their investments in the Company. The Reporting Persons may communicate with the board of directors of the Company (the Board), members of management and/or other stockholders from time to time with respect to operational, strategic, financial or governance matters or otherwise work with management and the Board with a view to maximizing stockholder value. Such discussions and actions may be preliminary and exploratory in nature, and may not rise to the level of a plan or proposal. The Reporting Persons may seek to acquire additional securities of the Company (which may include rights or securities exercisable or convertible into securities of the Company) from time to time, and/or may seek to sell or otherwise dispose of some or all of the Company's securities from time to time, in each case, in open market or private transactions, block sales or otherwise, including in connection with extraordinary corporate transactions, such as a tender offer, merger or consolidation that would result in the de-listing of the Class A Ordinary Shares, or through in-kind distributions. The Reporting Persons expect to continue to actively evaluate such transactions, and to take other actions intended to position the Reporting Persons to opportunistically engage in one or more of such transactions in the future. Subject to the agreements described herein, any transaction that any of the Reporting Persons may pursue may be made at any time and from time to time without prior notice and will depend on a variety of factors, including, without limitation, the price and availability of the Company's securities, subsequent developments affecting the Company, the Company's business and the Company's prospects, other investment and business opportunities available to such Reporting Persons, general industry and economic conditions, the securities markets in general, tax considerations and other factors deemed relevant by such Reporting Persons. Except as described in this Amendment, the Reporting Persons do not have any present plans or proposals that relate to or would result in any of the actions described in Item 4 of this Amendment, although, the Reporting Persons, at any time and from time to time, may review, reconsider and change their position and/or change their purpose and/or develop such plans and may seek to influence management of the Company or the Board with respect to the business and affairs of the Company and may from time to time consider pursuing or proposing such matters with advisors, the Company or other persons.

The information in Item 6 of this Amendment is incorporated herein by reference. Calculations of the percentage of Class A Ordinary Shares beneficially owned are calculated in accordance with Rule 13d-3 under the Exchange Act and is based on 48,574,596 Class A Ordinary Shares issued and outstanding on July 10, 2023, as reported in the Report. The aggregate number and percentage of the Class A Ordinary Shares beneficially owned by each Reporting Person and, for each Reporting Person, the number of shares as to which there is sole power to vote or to direct the vote, shared power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition are set forth on rows 7 through 11 and row 13 of the cover pages of this Amendment and are incorporated herein by reference.

As of the date hereof, Sumed Equity Ltd directly holds (x) 7,167,512 Class A Ordinary Shares and (y) a senior convertible note of the Company with a principal value of $1,193,901.00. BECO Booster Fund II, L.P. wholly owns Sumed Equity Ltd, and BECO Booster Fund II GP, LLC is the general partner of BECO Booster Fund II, L.P. BECO Booster Fund II GP, LLC directly holds 36,112 Class A Ordinary Shares. Messrs. Hammad and Farha are the directors of Sumed Equity Ltd and the managing members of BECO Booster Fund II GP, LLC. As the controlling persons of Sumed Equity Ltd and BECO Booster Fund II GP, LLC, Messrs. Hammad and Farha may be deemed to beneficially own the shares of Class A Ordinary Shares directly held by Sumed Equity Ltd. and BECO Booster Fund II GP, LLC.

Except as described in this Amendment, none of the Reporting Persons has effected any transactions in the Class A Ordinary Shares during the past 60 days.

To the best knowledge of the Reporting Persons, no one other than the Reporting Persons, or the partners, members, affiliates or shareholders of such persons, has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Class A Ordinary Shares reported herein as beneficially owned by the Reporting Persons.

Not applicable.

The information provided and incorporated by reference in Items 3, 4 and 5 is hereby incorporated into this Item 6 by reference herein. Yousef Hammad, in his capacity as a director of the Company, and along with the other directors of the Company, each entered into an indemnification agreement with the Company providing for indemnification to the fullest extent permitted by applicable law and the Company's articles of association, from and against all expenses, judgments, liabilities, fines, penalties and amounts paid in settlement incurred in connection with any litigation, suit or proceeding to which such director is or might be involved as a party or otherwise. This summary description does not purport to be complete, and is qualified in its entirety by the Form of Indemnity Agreement, which is filed as Exhibit 4.6 to this Amendment and is incorporated herein by reference.

Exhibit Number Description 1 Joint Filing Agreement 2.1(a) Business Combination Agreement, dated as of July 29, 2022, by and among the Company, Merger Sub and Marti (incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K (File No. 001-40588) filed with the SEC on August 1, 2022). 2.1(b) Form of Indenture (incorporated by reference to Exhibit 2.1 to the Company's Form 20-F (File No. 001-40588) filed on July 10, 2023 4.6 Form of Indemnity Agreement (incorporated by reference to Exhibit 4.6 to the Company's Form 20-F (File No. 001-40588) filed on July 10, 2023.