Company: DRTSW
Filing Date: 2025-12-02
Form Type: 6-K
Source: 0001213900-25-116980
Chunk: 0

Company: Alpha Tau Medical Ltd.
Filing Date: 2025-12-02
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO SECTION 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2025

Commission File Number: 001-41316

Alpha Tau Medical Ltd.

(Exact Name of Registrant as Specified in Its Charter)

Kiryat HaMada St. 5

Jerusalem, Israel 9777605

+972 (3) 577-4115

(Address of principal executive offices)</div>

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

<div align='center'>Form 20-F ☒
Form 40-F ☐

CONTENTS</div>

On December 2, 2025, Alpha Tau Medical Ltd. (the “Company”)
issued a press release titled “Alpha Tau Receives FDA Approval to Initiate a Trial for Patients with Locally Recurrent Prostate
Cancer.” A copy of this press release is attached to this Form 6-K as Exhibit 99.1.

The information in this Report on Form 6-K, including
Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities
Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall
it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange
Act, except as otherwise set forth herein or as shall be expressly set forth by specific reference in such a filing.

<div align='center'>1

EXHIBIT INDEX</div>

<div align='center'>2

SIGNATURES</div>

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

| Date: December 2, 2025 | Alpha Tau Medical Ltd. 
 By:                    | /s/ Uzi Sofer           |
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