Exhibit 10.52

STOCK PURCHASE AGREEMENT

by and between

BIOMX INC.

and

WATER IO LTD.

Dated as of April 10, 2026

This STOCK PURCHASE AGREEMENT (this “Agreement”) is entered into and effective as of April 10, 2026 (the “Effective Date” and the “Closing Date”), by and between:

BiomX Inc., a Delaware corporation whose shares of common stock are listed on the New York Stock Exchange (“NYSE”) (“Buyer”); and

Water IO Ltd., a company organized under the laws of the State of Israel whose shares are listed on the Tel Aviv Stock Exchange (“Seller”).

Buyer and Seller are each a “Party” and collectively, the “Parties.”

RECITALS

WHEREAS, Seller is the record and beneficial owner of 100% of the issued and outstanding share capital of Zorro Net Ltd., a company organized under the laws of the State of Israel (“Company” or “ZorroNet”) (such shares, the “Company Shares”);

WHEREAS, the Company is engaged in the development and commercialization of proprietary visual artificial intelligence and computer vision technology platforms for defense, homeland security and critical infrastructure protection applications, including real-time autonomous threat detection, object recognition, event-triggered response systems and integration with unmanned aerial systems;

WHEREAS, Seller desires to sell, and Buyer desires to purchase, 100% of the Company Shares, and the Parties desire to simultaneously execute and close the transactions contemplated hereby; and

WHEREAS, in connection with the acquisition, Buyer has agreed to assume certain obligations of Seller with respect to the founders and former shareholders of the Company.

NOW, THEREFORE, in consideration of the mutual covenants herein contained, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

ARTICLE I DEFINITIONS

Capitalized terms used but not otherwise defined herein shall have the following meanings:

“Assumed Obligations” has the meaning set forth in Section 2.4.

“Closing” means the consummation of the transactions contemplated hereby, which shall occur simultaneously with the execution and delivery of this Agreement.

“Earnout Payment” has the meaning set forth in Section 2.4(a).

“Founder Beneficiaries” means the founders and former shareholders of the Company to whom Seller has outstanding obligations as set forth on Schedule 2.4.

“Key Employees” means those employees of the Company identified on Schedule 2.4(b).

“Note” means the non-convertible promissory note in the principal amount of $1,250,000 issued by Buyer to Seller at Closing in the form attached hereto as Exhibit A.

“Share Consideration” means 1,300,000 shares of Buyer’s common stock, par value $0.0001 per share.

ARTICLE II PURCHASE AND SALE; CLOSING

ARTICLE III CLOSING DELIVERABLES

(a) duly executed share transfer deeds transferring the Company Shares to Buyer;

(b) resignations of directors and officers of the Company designated by Buyer;

(c) corporate books, records and minute books of the Company;

(d) a certificate of good standing (or equivalent) from the Israeli Registrar of Companies; and

(e) such other documents as Buyer has reasonably requested.

(a) evidence of the issuance and book-entry credit of the Share Consideration;

(b) the duly executed Note;

(c) a duly executed assumption agreement evidencing the Assumed Obligations; and

(d) such other documents as Seller has reasonably requested.

ARTICLE IV REPRESENTATIONS AND WARRANTIES OF SELLER

Seller represents and warrants to Buyer as of the Closing Date as follows:

ARTICLE V REPRESENTATIONS AND WARRANTIES OF BUYER

Buyer represents and warrants to Seller as of the Closing Date as follows:

ARTICLE VI POST-CLOSING COVENANTS

ARTICLE VII MISCELLANEOUS

[Signature Page Follows]

IN WITNESS WHEREOF, the Parties have caused this Agreement to be duly executed and delivered, and the Closing to have occurred, as of the date first written above.

EXHIBIT A

FORM OF NON-CONVERTIBLE PROMISSORY NOTE

NON-CONVERTIBLE PROMISSORY NOTE

FOR VALUE RECEIVED, BiomX Inc., a Delaware corporation (“Maker”), promises to pay to the order of Water IO Ltd. (“Holder”), the principal sum of One Million Two Hundred Fifty Thousand United States Dollars ($1,250,000.00).

1. Maturity. The outstanding principal and accrued interest shall be due and payable in full three (3) months from the date hereof (the “Maturity Date”).

2. Interest. Interest accrues at the short-term Applicable Federal Rate in effect on the date hereof, compounded annually, on a 360-day year basis.

3. Payment. Payments in U.S. Dollars by wire transfer. Prepayment permitted without penalty.

4. Non-Convertible. This Note is not convertible into any equity securities of Maker.

5. Default. Events of Default: (a) failure to pay within five (5) business days when due; (b) bankruptcy filing or assignment for benefit of creditors; (c) appointment of a receiver for a substantial part of Maker’s assets. Upon default, the entire balance becomes immediately due at Holder’s election.

6. Governing Law. New York law governs.

7. Waiver. Maker waives presentment, demand, protest and all notices.