Company: FWRG
Filing Date: 2025-11-06
Form Type: 424B3
Source: 0001628280-25-050306
Chunk: 31

Company: First Watch Restaurant Group, Inc.
Filing Date: 2025-11-06
Form: 424B3
Chunk 31
---
 legislation of the purchaser’s province or territory. The purchaser should refer to any applicable provisions of the securities legislation of the purchaser’s province or territory for particulars of these rights or consult with a legal advisor.

Pursuant to section 3A.3 (or, in the case of securities issued or guaranteed by the government of a non-Canadian jurisdiction, section 3A.4) of National Instrument 33-105 Underwriting Conflicts (“NI 33-105”), the underwriter is not required to comply with the disclosure requirements of NI 33-105 regarding underwriter conflicts of interest in connection with this offering.

<div align='center'>S-23</div>

### LEGAL MATTERS
Weil, Gotshal & Manges LLP, New York, New York, will pass upon the validity of the common stock offered by this prospectus supplement and the accompanying prospectus.

### EXPERTS
The financial statements incorporated in this prospectus supplement by reference to the Annual Report on Form 10-K for the year ended December 29, 2024 have been so incorporated in reliance on the report of PricewaterhouseCoopers LLP, an independent registered public accounting firm, given on the authority of said firm as experts in auditing and accounting.

<div align='center'>S-24</div>

#### PROSPECTUS

#### First Watch Restaurant Group, Inc.
<div align='center'>5,289,784 Shares of Common Stock Offered by Selling Stockholders</div>

The selling stockholders named in this prospectus may offer and sell up to 5,289,784 shares in the aggregate of our common stock, par value $0.01 (the “common stock”), from time to time in amounts, at prices and on terms that will be determined at the time of any such offering. We will not receive any proceeds from the sale of our common stock by the selling stockholders. This prospectus describes some of the general terms that may apply to our common stock.

Each time any of the selling stockholders offer and sell shares of our common stock, such selling stockholders will provide a supplement to this prospectus that contains specific information about the offering and the selling stockholders, as well as the amounts and prices of the common stock to be offered and sold. The applicable prospectus supplement may also add, update or change information contained in this prospectus with respect to that offering. You should read this prospectus and the accompanying prospectus supplement, as well as the documents incorporated by reference herein or therein