Company: AFRM
Filing Date: 2025-02-28
Form Type: 424B7
Source: 0001820953-25-000029
Chunk: 0

Company: Affirm Holdings, Inc.
Filing Date: 2025-02-28
Form: 424B7
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| PROSPECTUS SUPPLEMENT                   |     |                             |     | Filed pursuant to Rule 424(b)(7) |
| (to Prospectus dated February 28, 2025) |     | Registration No. 333-285421 |     |                                  |

#### AFFIRM HOLDINGS, INC.
<div align='center'>22,000,000 Shares of Class A Common Stock Offered by the Selling Securityholder

________________________</div>

The selling securityholder of Affirm Holdings, Inc. (“Affirm,” “we,” “us” or the “Company”) listed under the heading “Selling Securityholder” may offer and resell up to 22,000,000 shares of our Class A common stock, par value $0. 0000 1 per share (“Class A common stock”), under this prospectus supplement. The shares of Class A common stock being offered by the selling securityholder are those that may be acquired upon exercise of the Warrants (as defined below) issued to the selling securityholder pursuant to the Transaction Agreement (as defined below).

We will not receive any proceeds from the sale of the shares by the selling securityholder.

Our Class A common stock is listed on The Nasdaq Global Select Market (“Nasdaq”) under the trading symbol “AFRM.” On February 27, 2025, the last reported sale price for our Class A common stock on Nasdaq was $61.71 per share.

Investing in our securities involves a number of risks. See “Risk Factors” on page

#### 8
of the accompanying prospectus, as well as the other information contained or incorporated by reference in this prospectus supplement, the accompanying prospectus and any applicable free writing prospectus, before you make your investment decision.

The selling securityholder may offer securities through underwriting syndicates managed or co-managed by one or more underwriters or dealers, through agents or directly to purchasers. For general information about the distribution of securities offered, please see “Plan of Distribution” in this prospectus supplement.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>__________________

This prospectus supplement is dated February 28, 2025</div>

If you are in a jurisdiction where offers to sell, or solicitations of offers to purchase, the securities offered by this document are unlawful, or if