Company: WLTH
Filing Date: 2025-12-12
Form Type: 424B4
Source: 0001628280-25-056780
Chunk: 379

Company: WEALTHFRONT CORP
Filing Date: 2025-12-12
Form: 424B4
Chunk 379
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 in lieu of bifurcating certain features in the convertible note agreement. The primary reason for electing the fair value option is for simplification and cost benefit considerations of accounting for the convertible note at fair value. As a result of applying the fair value option, direct costs and fees related to the convertible note are expensed as incurred and are not deferred. The Company has elected not to present interest expense such as PIK Interest payment on the convertible note separately from the overall change in the fair value.

In accordance with ASC 825-10-45-5, the convertible n ote was initially measured at fair value with subsequent fair value changes recognized in other expense (income), net in the Company’s consolidated statements of operations every reporting period. The fair value change due to instrument-specific credit risk was immaterial for the fiscal years ended January 31, 2024 and 2025. As of January 31, 2024, the fair value of the convertible note was $47.0 million, comprising $29.4 million of debt and a $17.5 million call option. In March 2024, the convertible note was paid off in full.

<div align='center'>F-20</div>

### WEALTHFRONT CORPORATION
<div align='center'>Notes to Consolidated Financial Statements</div>

The fair value of the convertible n ote is estimated based on a bond plus call option method using Discounted Cash Flow and the BSM option-pricing model. The key inputs into the convertible n ote valuation model were as follows for the fiscal year ended January 31, 2024 :

|                                 |     | Fiscal Year Ended January 31, 
 2024                          |       |   |
|:--------------------------------|:----|:------------------------------|------:|:--|
| Dividend yield                  |     |                               |     — | % |
| Expected volatility             |     |                               | 38.30 | % |
| Contract term (in years)        |     |                               |  0.08 |   |
| Risk-free interest rate         |     |                               |  5.40 | % |
| Fair value of conversion shares |     | $                             | 14.01 |   |

#### Revolving Line of Credit
On October 31, 2024, the Company entered into a credit agreement (the “Credit Agreement”) with a third-party financial institution to provide a revolving line of up to $50.0 million (the “Revolver”) with