SEC Filing Document

Company: DUKE Robotics Corp.
Ticker: DUKR
CIK: 1638911
Filing Type: S-1
Document Type: EX-4.1
Date Filed: 2026-04-01
Accession Number: 0001213900-26-037765
Exchange: OTC
SIC Code: 3721
SIC Description: Aircraft
URL: https://www.sec.gov/Archives/edgar/data/1638911/000121390026037765/ea028409601ex4-1.htm

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Exhibit 4.1

FORM OF COMMON STOCK PURCHASE WARRANT

DUKE ROBOTICS CORP.

Warrant Shares: [_] Initial
Exercise Date: [_], 2026

THIS COMMON STOCK PURCHASE
WARRANT (this “Warrant”) certifies that, for value received, [_] or its assigns (the “Holder”)
is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after
the date hereof (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on [___], 20311
(the “Termination Date”) but not thereafter, to subscribe for and purchase from DUKE Robotics Corp., a company incorporated
under the laws of the State of Nevada (the “Company”), up to [_] shares (as subject to adjustment hereunder, the “Warrant
Shares”) of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise
Price, as defined in Section 2(b). This Warrant shall initially be issued and maintained in the form of a security held in book-entry
form and the Depository Trust Company or its nominee (“DTC”) shall initially be the sole registered holder of this
Warrant, subject to a Holder’s right to elect to receive a Warrant in certificated form pursuant to the terms of the Warrant Agency
Agreement, in which case this sentence shall not apply.

Section 1. Definitions.
In addition to the terms defined elsewhere in this Warrant, the following terms have the meanings indicated in this Section 1:

“Affiliate”
means any Person that, directly or indirectly through one or more intermediaries, controls or is controlled by or is under common control
with a Person, as such terms are used in and construed under Rule 405 under the Securities Act.

“Bid Price”
means, for any date, the price determined by the first of the following clauses that applies: (a) if the Common Stock is then listed or
quoted on a Trading Market, the bid price of the Common Stock for the time in question (or the nearest preceding date) on the Trading
Market on which the Common Stock is then listed or quoted as reported by Bloomberg L.P. (based on a Trading Day from 9:30 a.m. (New York
City time) to 4:02 p.m. (New York City time)), (b) if OTCQB or OTCQX is not a Trading Market, the volume weighted average price of the
Common Stock for such date (or the nearest preceding date) on OTCQB or OTCQX as applicable, (c) if the Common Stock is not then listed
or quoted for trading on OTCQB or OTCQX and if prices for the Common Stock are then reported on the Pink Open Market (or a similar organization
or agency succeeding to its functions of reporting prices), the most recent bid price per share of the Common Stock so reported, or (d)
in all other cases, the fair market value of a share of Common Stock as determined by an independent appraiser selected in good faith
by the Holders of a majority in interest of the Warrants then outstanding and reasonably acceptable to the Company, the fees and expenses
of which shall be paid by the Company.

1	Note to Draft: Insert the date that is the 5 th year
anniversary of the Initial Exercise Date; provided, however, that, if such date is not a Trading Day, insert the immediately following
Trading Day.

“Board of Directors”
means the board of directors of the Company.

“Business Day”
means any day except any Saturday, any Sunday, any day which is a federal legal holiday in the United States or any day on which banking
institutions in the State of New York are authorized or required by law or other governmental action to close.

“Commission”
means the United States Securities and Exchange Commission.

“Common Stock”
means the common stock of the Company, par value $0.0001 per share, and any other class of securities into which such securities may hereafter
be reclassified or changed.

“Common Stock Equivalents”
means any securities of the Company or the Subsidiaries which would entitle the holder thereof to acquire at any time Common Stock, including,
without limitation, any debt, preferred stock, right, option, warrant or other instrument that is at any time convertible into or exercisable
or exchangeable for, or otherwise entitles the holder thereof to receive, Common Stock.

“Exchange Act”
means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder.

“Person”
means an individual or corporation, partnership, trust, incorporated or unincorporated association, joint venture, limited liability company,
joint stock company, government (or an agency or subdivision thereof) or other entity of any kind.

“Registration Statement”
means the effective Registration Statement on Form S-1, including all information, documents and exhibits filed with or incorporated by
reference into such registration statement, as amended (File No. 333-[_]) which registers the sale of the Units, shares of Common Stock,
the Warrants, and the Warrant Shares, among others, and includes any Rule 462(b) Registration Statement.

“Securities Act”
means the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder.

“Subsidiary”
means any subsidiary of the Company and shall, where applicable, also include any direct or indirect subsidiary of the Company formed
or acquired after the date hereof.

“Trading Day”
means a day on which the Common Stock is traded on a Trading Market.

“Trading Market”
means any of the following markets or exchanges on which the Common Stock is listed or quoted for trading on the date in question: the
NYSE American; the Nasdaq Capital Market; the Nasdaq Global Market; the Nasdaq Global Select Market; or the New York Stock Exchange (or
any successors to any of the foregoing).

“Transaction Documents”
means this Warrant, the Underwriting Agreement, the Warrant Agency Agreement, the Lock-Up Agreements (as defined in the Underwriting Agreement),
the Representative’s Warrant Agreement (as defined in the Underwriting Agreement) and any other documents or agreements executed
in connection with the transactions contemplated by the Underwriting Agreement.

“Transfer Agent”
means Equiniti Trust Company, the current transfer agent of the Company, with a mailing address of 28 Liberty Street, 53rd Floor, New
York, NY 10005, and any successor transfer agent of the Company.

“Underwriting Agreement”
means the underwriting agreement, dated as of [_________], 2026, between the Company and Maxim Group LLC as representative of the several
underwriters named therein, as amended, modified or supplemented from time to time in accordance with its terms.

“VWAP”
means, for any date, the price determined by the first of the following clauses that applies: (a) if the Common Stock is then listed or
quoted on a Trading Market, the daily volume weighted average price of the Common Stock for such date (or the nearest preceding date)
on the Trading Market on which the Common Stock is then listed or quoted as reported by Bloomberg L.P. (based on a Trading Day from 9:30
a.m. (New York City time) to 4:02 p.m. (New York City time)), (b) if the Common Stock is then listed or quoted on the OTCQB or OTCQX and
if OTCQB or OTCQX is not a Trading Market, the volume weighted average price of the Common Stock for such date (or the nearest preceding
date) on OTCQB or OTCQX as applicable, (c) if the Common Stock is not then listed or quoted for trading on OTCQB or OTCQX and if prices
for the Common Stock are then reported on the Pink Open Market (or a similar organization or agency succeeding to its functions of reporting
prices), the most recent bid price per share of the Common Stock so reported, or (d) in all other cases, the fair market value of a share
of Common Stock as determined by an independent appraiser selected in good faith by the holders of a majority in interest of the Warrants
then outstanding and reasonably acceptable to the Company, the fees and expenses of which shall be paid by the Company.

“Warrant Agency Agreement”
means that certain warrant agency agreement, dated on or about the Initial Exercise Date, between the Company and the Warrant Agent.

“Warrant Agent”
means the Transfer Agent and any successor warrant agent of the Company.

“Warrants”
means this Warrant and other Common Stock purchase warrants issued by the Company pursuant to the Registration Statement.

Section 2. Exercise.