# EDGAR Filing Document

**Accession Number:** 0001871321
**File Stem:** 0001213900-26-031129
**Filing Date:** 2026-3
**Character Count:** 5569
**Document Hash:** 4f78acb0141b35edfa11400ebe6b55d3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-031129.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001213900-26-031129

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260318

**DATE AS OF CHANGE**: 20260318

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Adler Alan
- **CENTRAL INDEX KEY:** 0001968054

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41316
- **FILM NUMBER:** 26771374

**MAIL ADDRESS:**
- **STREET 1:** C/O ALPHA TAU MEDICAL LTD.
- **STREET 2:** KIRYAT HAMADA STREET 5
- **CITY:** JERUSALEM
- **STATE:** L3
- **ZIP:** 9777605
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Alpha Tau Medical Ltd.
- **CENTRAL INDEX KEY:** 0001871321
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** L3
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** KIRYAT HAMADA 5
- **CITY:** JERUSALEM
- **STATE:** L3
- **ZIP:** 9777605
- **BUSINESS PHONE:** 972-3-577-4115

**MAIL ADDRESS:**
- **STREET 1:** KIRYAT HAMADA 5
- **CITY:** JERUSALEM
- **STATE:** L3
- **ZIP:** 9777605

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Adler Alan<br><sub>(Last) (First) (Middle)</sub><br>C/O ALPHA TAU MEDICAL<br>PO BOX 45044<br><sub>(Street)</sub><br>JERUSALEM,  9777605<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Alpha Tau Medical Ltd. [ DRTS ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Ordinary Shares | 54367 | D |  |
| Restricted Share Units<sup>(1)</sup> | 4680 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Options<sup>(2)</sup> | 2019-03-01 | 2028-11-26 | Ordinary Shares | 54318 | $4.42 | D |  |
| Options<sup>(2)</sup> | 2022-06-07 | 2031-08-08 | Ordinary Shares | 24727 | $11.50 | D |  |
| Options<sup>(2)</sup> | 2022-11-02 | 2032-03-21 | Ordinary Shares | 8945 | $10.92 | D |  |
| Options<sup>(2)</sup> | 2022-11-02 | 2032-06-02 | Ordinary Shares | 10657 | $7.19 | D |  |
| Options<sup>(2)</sup> | 2024-01-01 | 2033-03-09 | Ordinary Shares | 46905 | $3.28 | D |  |
| Options<sup>(2)</sup> | 2024-12-17 | 2034-03-07 | Ordinary Shares | 43257 | $2.98 | D |  |
| Options<sup>(2)</sup> | 2025-06-17 | 2035-01-22 | Ordinary Shares | 24460 | $4.05 | D |  |
| Options<sup>(3)</sup> | <sup>(3)</sup> | 2036-03-09 | Ordinary Shares | 15527 | $6.41 | D |  |

---

### Footnotes:

(1) These ordinary shares represent restricted share units, which will vest in their entirety upon the earlier of: one year commencing from March 9, 2026 or the next Annual General Meeting of Shareholders, subject to the Reporting Person's continued service.

(2) These are options to acquire ordinary shares, which have fully vested as of the date hereof.

(3) These are options to acquire ordinary shares, which options will vest in their entirety upon the earlier of: one year commencing from March 9, 2026 or the next Annual General Meeting of Shareholders, subject to the Reporting Person's continued service.

**Signature:** /s/ Alan Adler  
**Date:** 2026-03-18

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**