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 June 2025 (Report No. 3)

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 June 26, 2025, Maris-TechLtd. (the “Registrant”) issued a press release (the “Press Release”) titled “Maris-Tech Secures New PurchaseOrder for Innovative AI-Powered Surveillance Solution for the Defense Industry,” a copy of which is furnished as Exhibit 99.1 withthis Report of Foreign Private Issuer on Form 6-K (this “Report”).

The first two paragraphs andthe section titled “Forward-Looking Statement disclaimer” in the Press Release are incorporated by reference into the Registrant’sRegistration Statements on Form S-8 (Registration No. 333-262910and 333-274826) and RegistrationStatement on Form F-3 (Registration No. 333-270330),filed with the Securities and Exchange Commission, to be a part thereof from the date on which this Report is submitted, to the extentnot superseded by documents or reports subsequently filed or furnished.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.

Exhibit 99.1

Maris-TechSecures New Purchase Order for Innovative AI-Powered Surveillance Solution for the Defense Industry

MarksEntry into a New Market Segment with Advanced Threat Detection Capabilities

Rehovot, Israel, June 26, 2025 (GLOBE NEWSWIRE)—Maris-Tech Ltd. (Nasdaq: MTEK, MTEKW) (“Maris-Tech” or the “Company”), a global leaderin video and artificial intelligence (“AI”) - based edge computing technology, today announced that it has received a $100,000purchase order for a new surveillance solution to be designed for the defense sector.

Thisinnovative solution will be based on the Company’s Jupiter-AI edge solution and will be integrated into an advanced military surveillancesystem to allow real-time threat detection and monitoring. This order marks the Company’s entry into a new field, extending itstechnology to new market segments.

“Webelieve that this order is a strong indication of the market’s growing confidence in our ability to address a wide variety of operationalneeds,” said Israel Bar, Chief Executive Officer of Maris-Tech. “It also represents an important step into a new segmentfor us, which broadens the scope of our video and AI-powered edge computing solutions, as well as our presence in the defense industry.”

AboutMaris-Tech Ltd.

Maris-Techis a global leader in video and AI-based edge computing technology, pioneering intelligent video transmission solutions that conquercomplex encoding-decoding challenges. Our miniature, lightweight, and low-power products deliver high-performance capabilities, includingraw 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 communicationindustries. We’re pushing the boundaries of video transmission and edge computing, driving innovation in mission-critical applicationsacross commercial and defense sectors.

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

Forward-LookingStatement Disclaimer

Thispress 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, as amended, that are intended to be covered by the “safe harbor”created by those sections. Forward-looking statements, which are based on certain assumptions and describe our future plans, strategiesand expectations, can generally be identified by the use of forward-looking terms such as “believe,” “expect”,”“may”, “should,” “could,” “seek,” “intend,” “plan,” “goal,”“estimate,” “anticipate” or other comparable terms. For example, the Company is using forward-looking statementswhen it is discussing the innovative solution to be developed pursuant to the purchase order and integration of the solution into anadvanced military surveillance system to allow real-time threat detection and monitoring and the timing of delivery thereof; the Company’sexpansion of its technology to new market segments; the Company’s ability to address a wide variety of operational needs; and thebroadening of the scope of the Company’s video and AI-powered edge computing solutions, as well as its future presence in the defenseindustry. The Company’s actual results and financial condition may differ materially from those indicated in the forward-lookingstatements. Therefore, you should not rely on any of these forward-looking statements. Important factors that could cause our actualresults and financial condition to differ materially from those indicated in the forward-looking statements include, among others, thefollowing: its ability to successfully market its products and services, including in the United States; the acceptance of its productsand services by customers; its continued ability to pay operating costs and ability to meet demand for its products and services; theamount and nature of competition from other security and telecom products and services; the effects of changes in the cybersecurity andtelecom markets; its ability to successfully develop new products and services; its success establishing and maintaining collaborative,strategic alliance agreements, licensing and supplier arrangements; its ability to comply with applicable regulations; and the otherrisks and uncertainties described in the Annual Report on Form 20-F for the year ended December 31, 2024, filed with the SEC on March28, 2025, and its other filings with the Securities and Exchange Commission. The Company undertakes no obligation to publicly updateany forward-looking statement, whether written or oral, that may be made from time to time, whether as a result of new information, futuredevelopments or otherwise.

InvestorRelations:

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