Company: NCEL
Filing Date: 2025-09-10
Form Type: 424B3
Source: 0001213900-25-086600
Chunk: 548

Company: NewcelX Ltd.
Filing Date: 2025-09-10
Form: 424B3
Chunk 548
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imastem. Information provided by one entity does not constitute any representation, estimate or projection of the other entity. If you would like additional copies of this document or if you have questions about the Merger, you should contact via phone or in writing: NLS Pharmaceutics Ltd.
The Circle 6
8058 Zurich, Switzerland
Tel: +41.44.512.2150
Attn: Alexander Zwyer, acz@nls -pharma.com If you are a shareholder of NLS and would like to request documents, please do so by September15, 2025 to receive them before the NLS Meeting. If you request any documents from NLS, NLS will mail them to you by first class mail, or another equally prompt means. Neither NLS, nor Kadimastem has authorized anyone to give any information or make any representation about the Merger or their companies that is different from, or in addition to, that contained in this proxy statement/prospectus or in any of the materials that have been incorporated in this proxy statement/prospectus. Therefore, if anyone does give you information of this sort, you should not rely on it. If you are in a jurisdiction where offers to exchange or sell, or solicitations of offers to exchange or purchase, the securities offered by this proxy statement/prospectus or the solicitation of proxies is unlawful, or if you are a person to whom it is unlawful to direct these types of activities, then the offer presented in this proxy statement/prospectus does not extend to you. The information contained in this proxy statement/prospectus speaks only as of the date of this proxy statement/prospectus unless the information specifically indicates that another date applies. 319 Annex A AGREEMENT OF MERGER AND PLAN OF REORGANIZATION BY AND AMONG NLS Pharmaceutics LTD. NLS PHARMACEUTICS (ISRAEL) LTD. and KADIMASTEM LTD. DATED AS OF NOVEMBER 4, 2024

CONTENTS

|                                                        |     |                                                              |     | Annex A   
 Page Nos. |
| Article I                                              
 THE MERGER                                             |     |                                                              |     |           |
| 1.1                                                    |     | The Merger                                                   |     | A-2       |
| 1.2                                                    |     | Closing                                                      |     | A-2       |
| 1.3                                                    |     | Effective Time                                               |     | A-2       |