# EDGAR Filing Document

**Accession Number:** 0001195734
**File Stem:** 0001193125-25-248638
**Filing Date:** 2025-10
**Character Count:** 9046
**Document Hash:** 16cf7f7bc63e7b49b41befc912adfab8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-248638.hdr.sgml**: 20251023

**ACCESSION NUMBER**: 0001193125-25-248638

**CONFORMED SUBMISSION TYPE**: POS AM

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251023

**DATE AS OF CHANGE**: 20251023

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** POTBELLY CORP
- **CENTRAL INDEX KEY:** 0001195734
- **STANDARD INDUSTRIAL CLASSIFICATION:** RETAIL-EATING PLACES [5812]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 364466837
- **FISCAL YEAR END:** 1228

**FILING VALUES:**
- **FORM TYPE:** POS AM
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-254284
- **FILM NUMBER:** 251412889

**BUSINESS ADDRESS:**
- **STREET 1:** 680 NORTH LAKE SHORE DR.
- **STREET 2:** SUITE 110 #100
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60611
- **BUSINESS PHONE:** 3129510600

**MAIL ADDRESS:**
- **STREET 1:** 680 NORTH LAKE SHORE DR.
- **STREET 2:** SUITE 110 #100
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60611

**As filed with the Securities and Exchange Commission on October 23, 2025** 

**Registration No. 333-279213** 

**Registration No. 333-255845** 

**Registration No. 333-254284** 

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3** 

**REGISTRATION STATEMENT NO. 333-279213** 

**REGISTRATION STATEMENT NO. 333-255845** 

**REGISTRATION STATEMENT NO. 333-254284** 

***UNDER***

***THE SECURITIES ACT OF 1933***

## POTBELLY CORPORATION
**(Exact name of registrant as specified in its charter)** 

---

| | |
|:---|:---|
| **Delaware** | **36-4466837** |
| **(State or other jurisdiction of**<br> **incorporation or organization)** | **(I.R.S. Employer**<br> **Identification No.)** |

---

**500 W Madison St. Suite 1000** 

**Chicago, Illinois 60661** 

**(312) 951-0600** 

**(Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Executive Offices)** 

**Adam Noyes** 

**President** 

**Potbelly Corporation** 

**500 W Madison St. Suite 1000** 

**Chicago, Illinois 60661** 

**(312) 951-0600** 

**(Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent for Service)** 

***With copies to:***

**W. Benjamin Barkley** 

**David M. Eaton** 

**Kilpatrick Townsend & Stockton LLP** 

**1100 Peachtree St. NE, 2800** 

**Atlanta, GA 30309** 

**Telephone: (404) 815-6500** 

**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.

---

| | | | |
|:---|:---|:---|:---|
| Large accelerated filer | ☐ | Accelerated filer | ☒ |
| Non-accelerated filer | ☐ | Smaller reporting company | ☐ |
|  |  | Emerging growth company | ☐ |

---

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 Securities Act. ☐

------

**EXPLANATORY NOTE** 

On October 23, 2025, pursuant to the terms of the Agreement and Plan of Merger, dated as of September 9, 2025, by and among Potbelly Corporation, a Delaware corporation (the "Registrant"), RaceTrac, Inc., a Georgia Corporation ("Parent") and Hero Sub Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Purchaser"), Purchaser was merged with and into the Registrant (the "Merger"), with the Registrant surviving the Merger as a wholly owned subsidiary of Parent.

------

**DEREGISTRATION OF UNSOLD SECURITIES** 

This post-effective amendment (this "Post-Effective Amendment") filed by the Registrant relates to the following Registration Statements on Form S-3 (each, a "Registration Statement" and collectively, the "Registration Statements"), previously filed with the Securities and Exchange Commission (the "SEC") by the Registrant:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. [333-279213](http://www.sec.gov/Archives/edgar/data/1195734/000119573424000096/pbpb-sx3.htm) , filed with the SEC on May 8, 2024, providing for the offer and sale, from time to time, in one or more offerings and series, together or separately, of: (i) shares of the Registrant's
common stock, par value $0.01 per share ("Common Stock"); (ii) shares of the Registrant's preferred stock, par value $0.01 per share ("Preferred Stock"); (iii) debt securities; and (iv) warrants or units
representing rights to purchase any of the other securities that may be sold under such Registration Statement;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. [333-255845](http://www.sec.gov/Archives/edgar/data/1195734/000119312521153459/d408140ds3.htm) , filed with the SEC on May 6, 2021, providing for the offer and sale, from time to time, in one or more offerings and series, together or separately, of: (i) shares of the Registrant's Common Stock; (ii) shares of the
Registrant's Preferred Stock; (iii) debt securities; and (iv) warrants or units representing rights to purchase any of the other securities that may be sold under such Registration Statement; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. [333-254284](http://www.sec.gov/Archives/edgar/data/1195734/000119312521081374/d140773ds3.htm) , filed with the SEC on March 15, 2021, providing for the offer and sale, from time to time by the selling stockholders named therein, of an aggregate of up to 4,549,529 shares of the
Registrant's Common Stock.

As a result of the Merger, the Registrant has terminated any and all offerings and sales of the Registrant's securities pursuant to the Registration Statements. In accordance with the undertakings made by the Registrant in the Registration Statements to remove from registration, by means of a post-effective amendment, any of the securities that had been registered for issuance that remain unsold at the termination of the offering, the Registrant hereby removes from registration all of such securities of the Registrant registered but not sold or otherwise issued under the Registration Statements, if any, as of the date hereof. The Registration Statements are 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 Registrant, and the Registrant hereby terminates the effectiveness of the Registration Statements.

------

**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 Chicago, State of Illinois, on October 23, 2025.

---

| | |
|:---|:---|
| **POTBELLY CORPORATION** | **POTBELLY CORPORATION** |
| By: | /s/ Robert D. Wright |
| Name: | Robert D. Wright |
| Title: | Chief Executive Officer |

---

Pursuant to Rule 478 of the Securities Act of 1933, as amended, no other person is required to sign this Post-Effective Amendment.