Company: WLTH
Filing Date: 2025-12-12
Form Type: 424B4
Source: 0001628280-25-056780
Chunk: 420

Company: WEALTHFRONT CORP
Filing Date: 2025-12-12
Form: 424B4
Chunk 420
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 grant. ISOs and NSOs generally vested at a rate of 25% on the first anniversary of the grant date and then ratably over the next three years. Upon

<div align='center'>F-52</div>

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

termination of employment, any unvested shares were automatically returned to the Company. Those shares were added back to the plan and made available for future grants. The 2008 Plan was terminated in 2017, but the awards granted previously still vest. At January 31, 2025 and July 31, 2025, no shares from the 2008 Plan remained available for future grants.

In December 2017, the Company adopted the 2017 Employee Incentive Plan (the “2017 Plan” and, together with 2008 Plan, the “Plans”). The 2017 Plan allows stock options to be granted to Company employees, officers, directors, advisors, consultants, and other service providers as either stock options, restricted stock awards, restricted stock units (“RSUs”), stock appreciation rights, and other equity awards. The 2017 Plan was initially adopted with substantively similar plan features as the 2008 Plan. In August 2018, the 2017 Plan was amended to extend the post-termination exercise period for vested awards, other than terminations for cause, to up to 10 years. At January 31, 2025 and July 31, 2025 , 5,795,839 and 3,564,272 shares respectively, from the 2017 Plan remained available for future grants.

In accordance with the Plans, the exercise price of an ISO and NSO shall not be less than 100% of the estimated fair value of the shares on the date of grant unless expressly determined in writing by the board of directors or its designated committee, and the exercise price of an ISO granted to a 10% stockholder shall not be less than 110% of the estimated fair value of the shares on the date of grant.

#### Stock Options
A summary of stock option activity as of and for the six months ended July 31, 2025 under the Plans is as follows:

|                                  |     | Number of Options Outstanding Under the Plans |            |     | Weighted Average Exercise Price |      |      |     | Weighted Average      
 Remaining Contractual 
 Term (Years)