Company: MACIW
Filing Date: 2025-08-05
Form Type: 425
Source: 0001104659-25-074244
Chunk: 0

Company: Melar Acquisition Corp. I/Cayman
Filing Date: 2025-08-05
Form: 425
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported):
July 30, 2025

Melar Acquisition Corp. I

(Exact name of registrant as specified in its charter)</div>

| Cayman Islands               |     | 001-42134               |     | 87-1634103         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission File Number |     | -IRS Employer      
 Identification No. |

| 143 West 72nd Street, 4th Floor, New York, NY |     |     10023 |
| (Address of principal executive offices)      |     | -Zip Code |

<div align='center'>Registrant’s telephone number, including
area code: ( 702) 781-1120

Not Applicable

(Former name or former address, if changed since
last report)</div>

Check the appropriate box below if the Form 8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| x | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |

| ¨ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |

| ¨ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |

| ¨ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b)
of the Act:

| Title of each class                                                                                              |     | Trading Symbol(s) |     | Name of each exchange on which 
 registered                     |
| Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant                      |     | MACIU             |     | The Nasdaq Stock Market LLC    |
| Class A ordinary shares, par value $0.0001 per share                                                             |     | MACI              |     | The Nasdaq Stock Market LLC    |