Company: FLDDW
Filing Date: 2025-05-28
Form Type: 424B3
Source: 0000950170-25-078327
Chunk: 1

Company: Fold Holdings, Inc.
Filing Date: 2025-05-28
Form: 424B3
Chunk 1
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 offense.

<div align='center'>The date of this prospectus supplement is May 28, 2025.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

(Amendment No. 2)</div>

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2025 Fold Holdings, Inc. (Exact name of registrant as specified in its charter)

| Delaware                     |     | 001-41168               |     | 86-2170416         |
| (State or other jurisdiction 
 of incorporation)            |     | -Commission File Number |     | -IRS Employer      
 Identification No. |

| 11201 North Tatum Blvd., Suite 300, Unit 42035 Phoenix, Arizona |     |     85028 |
| (Address of principal executive offices)                        |     | -Zip Code |

(866) 365-3277 Registrant’s telephone number, including area code Not Applicable (Former name or former address, if changed since last report) 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 Symbol(s) |     | Name of Each Exchange on Which 
 Registered                     |
| Common stock, par value $0.0001 per share                                                                       |     | FLD               |     | Nasdaq Capital Market          |
| Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share |     | FLDDW             |