UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549s

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the month of August 2025

Commission file number: 001-41260

MARIS-TECHLTD.

(Translation of registrant’s name into English)

2 Yitzhak Modai Street

Rehovot, Israel 7608804

(Address of principal executive offices)

Indicate by check mark whether the registrant filesor will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒         Form40-F ☐

CONTENTS

On August 14, 2025, Maris-TechLtd. (the “Registrant”) issued a press release (the “Press Release”) titled “Maris-Tech to Showcase AI-PoweredVideo Intelligence and Edge Computing Solutions at DSEI 2025,” a copy of which is furnished as Exhibit 99.1 with this Report ofForeign Private Issuer on Form 6-K (this “Report”).

The first two and fourthparagraphs, and the section titled “Forward-Looking Statement disclaimer” in the Press Release are incorporated by referenceinto the Registrant’s Registration Statements on Form S-8 (Registration No. 333-262910 and 333-274826) and Registration Statementon Form F-3 (Registration No. 333-270330), filed with the Securities and Exchange Commission, to be a part thereof from the date on whichthis Report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.

SIGNATURES

Pursuant to the requirementsof the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereuntoduly authorized.

2

Exhibit 99.1

Maris-Tech to Showcase AI-Powered Video Intelligence and Edge ComputingSolutions at DSEI 2025

Visit us at Booth N11-110, September 9-12, 2025, Excel London

Rehovot, Israel, Aug. 14, 2025 (GLOBE NEWSWIRE) -- Maris-Tech Ltd. (Nasdaq: MTEK,MTEKW) (“Maris-Tech” or the “Company”), a global leader in video and artificial intelligence (“AI”)– based edge computing technology, today announced its participation at DSEI 2025, one of the world’s largest defense andsecurity exhibitions, taking place on September 9-12, 2025, at Excel London in London, U.K.. Maris-Tech will showcase its advanced AI-poweredvideo intelligence and edge computing solutions for the defense and homeland security markets at Booth N11-110.

Maris-Tech’s cutting-edge solutions deliver real-time situationalawareness, AI-based intelligence gathering, and video acquisition for aerial and ground domains. Visitors to the booth will experiencedemonstrations of key solutions, including:

“We believe that our solutions are designed to meet the demandingneeds of today’s defense forces, delivering actionable intelligence from the field in real time,” said Israel Bar, Chief ExecutiveOfficer of Maris-Tech. “At DSEI 2025, we will present our latest innovations that combine AI, edge computing, and advanced videotechnology to enhance mission success, whether for armored vehicles, drones, or tactical intelligence gathering.”

For more information about Maris-Tech’s products and solutions,visit www.maris-tech.com or stop by Booth N11-110 during DSEI 2025. Book a meetinghere.

About Maris-Tech Ltd.

Maris-Tech is a global leader in video and AI-based edge computingtechnology, pioneering intelligent video transmission solutions that conquer complex encoding-decoding challenges. Our miniature, lightweight,and low-power products deliver high-performance capabilities, including raw data processing, seamless transfer, advanced image processing,and AI-driven analytics. Founded by Israeli technology sector veterans, Maris-Tech serves leading manufacturers worldwide in defense,aerospace, Intelligence gathering, homeland security (HLS), and communication industries. We’re pushing the boundaries of videotransmission and edge computing, driving innovation in mission-critical applications across commercial and defense sectors.

For more information, visit https://www.maris-tech.com/

Forward-Looking Statement Disclaimer

This press release contains “forward-looking statements”within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, asamended, that are intended to be covered by the “safe harbor” created by those sections. Forward-looking statements, whichare based on certain assumptions and describe our future plans, strategies and expectations, can generally be identified by the use offorward-looking terms such as “believe,” “expect”,” “may”, “should,” “could,”“seek,” “intend,” “plan,” “goal,” “estimate,” “anticipate” orother comparable terms. For example, the Company is using forward-looking statements when it is discussing the Company’s presentationand demonstration of its new AI-based platform, Diamond Ultra, and additional solutions like Opal, Coral, and Jupiter Drones at DSEI 2025and future benefits of the Company’s products including that the Company’s solutions are designed to meet the demanding needsof today’s defense forces, delivering actionable intelligence from the field in real time. The Company’s actual results andfinancial condition may differ materially from those indicated in the forward-looking statements. Therefore, you should not rely on anyof these forward-looking statements. Important factors that could cause our actual results and financial condition to differ materiallyfrom those indicated in the forward-looking statements include, among others, the following: its ability to successfully market its productsand services, including in the United States; the acceptance of its products and services by customers; its continued ability to pay operatingcosts and ability to meet demand for its products and services; the amount and nature of competition from other security and telecom productsand services; the effects of changes in the cybersecurity and telecom markets; its ability to successfully develop new products and services;its success establishing and maintaining collaborative, strategic alliance agreements, licensing and supplier arrangements; its abilityto comply with applicable regulations; and the other risks and uncertainties described in the Annual Report on Form 20-F for the yearended December 31, 2024, filed with the SEC on March 28, 2025, and its other filings with the Securities and Exchange Commission. TheCompany undertakes no obligation to publicly update any forward-looking statement, whether written or oral, that may be made from timeto time, whether as a result of new information, future developments or otherwise.

Investor Relations:

Nir Bussy, CFO
Tel: +972-72-2424022
Nir@maris-tech.com