Post-Effective Amendment to Automatic Shelf Registration Statement (Form POSASR)

As filed with the Securities and Exchange Commission on September 12, 2025

Registration No. 333-285233

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

POST-EFFECTIVE AMENDMENT NO. 1

TO

FORM S-3

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

Olo Inc.

(Exact name of registrant as specified in its charter)

285 Fulton Street

One World Trade Center, 82nd Floor

New York, NY 10007

(212) 260-0895

(Address, including zip code, and telephone number, including area code of registrant's principal executive offices)

Noah H. Glass

Founder and Chief Executive Officer

Olo Inc.

285 Fulton Street

One World Trade Center, 82nd Floor

New York, NY 10007

(212) 260-0895

(Name, address, including zip code, and telephone number, including area code, of agent for service)

With copies to:

Approximate date of commencement of proposed sale to the public: Not applicable.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☐

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☒

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

EXPLANATORY NOTE

Deregistration of Unsold Securities

This Post-Effective Amendment No. 1 (this "Post-Effective Amendment") relates to the Registration Statement on Form S-3 (File No. 333-285233) (the "Registration Statement") originally filed with the Securities and Exchange Commission by Olo Inc., a Delaware corporation (the "Company"), on February 25, 2025 providing for the offer and sale, from time to time, in one or more offerings, of: (i) Class A common stock, (ii) preferred stock, (iii) warrants, (iv) units and (v) debt securities that may be sold under such Registration Statement.

Effective as of September 12, 2025, pursuant to that certain Agreement and Plan of Merger, dated as of July 3, 2025, by and among the Company, Olo Parent, Inc., a Delaware corporation ("Parent") (f/k/a Project Hospitality Parent, LLC), and Project Hospitality Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent ("Merger Sub"), Merger Sub merged with and into the Company, with the Company surviving as a wholly-owned subsidiary of Parent (the "Merger").

As a result of the Merger, the Company is terminating all offerings of its securities pursuant to the Registration Statement by filing this Post-Effective Amendment. In accordance with an undertaking made by the Company in the Registration Statement to remove from registration, by means of a post-effective amendment, any of the Company's securities registered under the Registration Statement which remain unsold at the termination of the offering, the Company hereby removes from registration any securities registered under the Registration Statement which remain unsold as of the date hereof, and the Registration Statement is hereby amended, as appropriate, to reflect the deregistration of such securities. After giving effect to this Post-Effective Amendment, there will be no remaining securities registered by the Company pursuant to the Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, New York, on the 12th day of September, 2025. No other person is required to sign this Post-Effective Amendment in reliance upon Rule 478 under the Securities Act of 1933, as amended.