Company: ONCHW
Filing Date: 2025-06-11
Form Type: S-1
Source: 0001213900-25-053361
Chunk: 28

Company: 1RT Acquisition Corp.
Filing Date: 2025-06-11
Form: S-1
Chunk 28
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 these permitted transferees must enter into a written agreement agreeing to be bound by these transfer restrictions and the other restrictions contained in the letter agreements. |

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| Subject Securities                                                                                                                                                        |     | Expiration Date                                                  |     | Natural Persons             
 and Entities                
 Subject to                  
 Restrictions                |     | Exceptions to Transfer Restrictions                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Private Placement Warrants                                                                                                                                                |     | 30 days after the completion of our initial business combination |     | 1RT Acquisition Sponsor LLC |     | Same as above                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Any units, warrants, ordinary shares or any other securities convertible into, or exercisable or exchangeable for, any units, ordinary shares, founder shares or warrants |     | 180 days                                                         |     | 1RT Acquisition Sponsor LLC |     | The representative in its sole discretion may release any of the securities subject to these lock-up agreements at any time without notice, other than in the case of the officers and directors, which shall be with notice. Our sponsor, officers and directors are also subject to separate transfer restrictions on their founder shares and private placement warrants pursuant to the letter agreement described in the immediately preceding paragraphs. |

Up to 562,500 of the founder shares will be surrendered for no consideration depending on the extent to which the underwriters’ over -allotmentoption is exercised. In addition, in order to facilitate our initial business combination or for any other reason determined by our sponsor in its sole discretion, our sponsor may surrender or forfeit, transfer or exchange our founder shares, private placement warrants or any of our other securities, including for no consideration, as well as subject any such securities to earn -outsor other restrictions, or otherwise amend the terms of any such securities or enter into any other arrangements with respect to any such securities. We may also issue Class A ordinary shares upon conversion of the Class B ordinary shares at a ratio greater than one -to -oneat the time of our initial business combination as a result of the anti -dilutionprovisions as set forth therein. Corporate Information Our executive offices are located at 205 West 28 thStreet, 2 ndFloor Suite C, New York, New York 10001, and our telephone number is 315 -810-1230. We are a Cayman Islands exempted company. Exempted companies are Cayman Islands companies conducting business mainly outside the Cayman Islands and, as such, are exempted from complying with certain provisions of the Companies Act. As an exempted company,