Company: IPCX
Filing Date: 2025-08-25
Form Type: 425
Source: 0001213900-25-080147
Chunk: 0

Company: Inflection Point Acquisition Corp. III
Filing Date: 2025-08-25
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 Section 15(d)
of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 20, 2025

INFLECTION POINT ACQUISITION CORP. III(Exact name of registrant as specified in its charter)</div>

| Cayman Islands                  |     | 001-42614               |     | N/A                |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -Commission File Number |     | -IRS Employer      
 Identification No. |

<div align='center'>167 Madison Avenue Suite 205 #1017

New York, New York 10016

(Address of registrant’s principal executive
offices, including zip code)

( 212) 476-6908

(Registrant’s telephone number, including
area code)</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:

| ☒ | 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 Symbols |     | Name of each exchange on    
 which registered            |
| Units, each consisting of one Class A ordinary share, $0.0001 par value, and one right to receive one-tenth (1/10) of one Class A ordinary share |     | IPCXU           |     | The Nasdaq Stock Market LLC |
| Class A ordinary shares, par value $0.0001 par value                                                                                             |     | IPCX            |     | The Nasdaq Stock Market LLC |
| Rights, each entitling the