When REF insiders can sell

…curities, including the selling stockholders and the stockholders participating in the Synthetic Secondary, are subject to lock-up agreements with the underwriters that will, subject to certain customary exceptions, restrict the sale of the shares of our common stock and certain other securities held by them for up to 180 days following the date of this prospectus. See "Underwriters (Conflicts of Interest)" for a description of these lock-up agreements. 66 TABLE OF CONTENTS Upon the expiration of the lock-up agreements described above, all of such 45,013,708 shares will be eligible for resale in a public market, subject, in the case of shares held by our affiliates, to volume, manner of sale and other limitations under Rule 144. In addition, pursuant to the Registration Rights Agreement, certain of our existing stockholders have the right, subject to certain conditions, to require us to……

Common stock to be outstanding immediately after this offering 59,076,208 shares. Use of proceeds We estimate the net proceeds from the sale of shares by us in this offering will be approximately $125.7 million, after deducting underwriting discounts and commissions and estimated offering expenses payable by us. The principal purposes of this offering are to increase our capitalization and financial flexibility and to create a public market for our common stock. We intend to use approximately $117.2 million of the…

…expected to retain at least 50% of the total number of shares acquired by them following the grant, exercise, or settlement of any equity award, as applicable, on a net basis, and excluding any shares held subject to a 10b5-1 sales plan in existence prior to the effective date of the stock ownership guidelines. 160 TABLE OF CONTENTS CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS In addition to the director and executive officer compensation arrangements discussed above under "Executive and Director Compensation," the following is a description of transactions since the beginning of 2023 and any currently proposed transactions…

The restrictions described in this paragraph are subject to limited exceptions, including for certain transfers by gift or to a charitable organization, estate planning transfers, transfers to affiliates, family members or trusts, transfers to nominees or custodians of persons or entities to whom such 178 TABLE OF CONTENTS transfers would otherwise be permitted, distributions to equityholders, transfers by operation of law, transactions relating to securities acquired in the public offering or in open market transactions after the completion…

…ions, to which we have been a party in which the amount involved exceeded or will exceed $120,000 and in which any of our directors, executive officers, beneficial holders of more than 5.0% of our common stock, or their immediate family members or entities affiliated with them, had or will have a direct or indirect material interest. Stockholders' Agreement In connection with the completion of this offering, we have entered into the Stockholders' Agreement with Permira and certain other stockholders. The Stockholders' Agreement governs matters related to our corporate governance and certain nomination rights with respect to our board of directors following this offering.

See "Underwriters (Conflicts of Interest)—Directed Share Program" for additional information. The underwriters expect to deliver the shares against payment in New York, New York, on or about July 31, 2026. J.P. Morgan Morgan Stanley Citigroup RBC Capital Markets Guggenheim Securities Baird William Blair BTIG Telsey Advisory Group The date of this prospectus is July 29, 2026. TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CON…

…on 49,597,387 shares of common stock outstanding as of March 28, 2026 (after giving effect to the Synthetic Secondary (as defined below)) and excludes: an aggregate of 5,023,979 shares of our common stock issuable upon exercise of outstanding stock options outstanding under our 2019 Plan as of March 28, 2026 (after giving effect to the Synthetic Secondary), at a weighted average exercise price of $7.19 per share; an aggregate of 371,010 shares of our common stock issuable upon the vesting and settlement of RSUs outstanding under the RSU Agreements as of March 28, 2026, 361,164 (after giving effect to the Synthetic Secondary) of whi…