# EDGAR Filing Document

**Accession Number:** 0001776738
**File Stem:** 0001140361-26-011147
**Filing Date:** 2026-3
**Character Count:** 6520
**Document Hash:** f3279263419657e232eb9ea71604f858
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-011147.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0001140361-26-011147

**CONFORMED SUBMISSION TYPE**: S-8 POS

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**EFFECTIVENESS DATE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Cannabist Co Holdings Inc.
- **CENTRAL INDEX KEY:** 0001776738
- **STANDARD INDUSTRIAL CLASSIFICATION:** AGRICULTURE PRODUCTION - CROPS [0100]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 981488978
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-278077
- **FILM NUMBER:** 26793466

**BUSINESS ADDRESS:**
- **STREET 1:** 321 BILLERICA ROAD
- **CITY:** CHELMSFORD
- **STATE:** MA
- **ZIP:** 01824
- **BUSINESS PHONE:** 2125543424

**MAIL ADDRESS:**
- **STREET 1:** 321 BILLERICA ROAD
- **CITY:** CHELMSFORD
- **STATE:** MA
- **ZIP:** 01824

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Columbia Care Inc.
- **DATE OF NAME CHANGE:** 20190514

#### As filed with the Securities and Exchange Commission on March 25, 2026

#### Registration No. 333-264008

#### Registration No. 333-278077

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### Post-Effective Amendment No. 1 to

#### Form S-8 Registration Statement File No. 333-264008 Form S-8 Registration Statement File No. 333-278077
*Under*<br>

*The Securities Act of 1933*

## THE CANNABIST COMPANY HOLDINGS INC.
(Exact name of the registrant as specified in its charter)

The Cannabist Company Holdings Inc. Amended and Restated Omnibus Long-Term Incentive Plan

(Full title of plans)

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| | | |
|:---|:---|:---|
| British Columbia<br> (State or other jurisdiction of<br> incorporation or organization) |  | 98-1488978<br> (I.R.S. Employer<br> Identification No.) |
|  | **321 Billerica Road**<br> **Chelmsford, MA 01824**<br> (978) 910-1486<br> (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) |  |
|  | **David Sirolly**<br> **Chief Legal Officer & General Counsel**<br> **The Cannabist Company Holdings Inc.**<br> **321 Billerica Road**<br> **Chelmsford, MA 01824**<br> (978) 910-1486<br> (Name and address agent for service) |  |
|  | *Copies to:*<br> Weil, Gotshal & Manges LLP<br> 767 5th Ave<br> New York, NY 10153<br> (212) 310-8000 |  |

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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 ☐ <br> Non-accelerated filer ☒ Smaller reporting company ☐ <br> 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 the Securities Act. ☐

#### <br>

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#### DEREGISTRATION OF UNSOLD SECURITIES

These Post-Effective Amendments (the "Post-Effective Amendments"), filed by The Cannabist Company Holdings Inc., a British Columbia, Canada corporation (the "Registrant"), relate to the following Registration Statements on Form S-8 and any amendments previously filed by the Registrant with the Securities and Exchange Commission (the "SEC"):

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| | | | |
|:---|:---|:---|:---|
| **<u>Registration<br> No.</u>** | **<u>Date Filed With the</u>** <br> **<u>SEC</u>** | **<u>Name of Equity Plan</u>** | **<u>Number of Common Shares</u>** <br> **<u>Originally Registered</u>** |
| 333-264008 | March 31, 2022 | Columbia Care Inc. Amended and Restated Omnibus Long-Term Incentive Plan | 35000000 |
| 333-278077 | March 19, 2024 | The Cannabist Company Holdings Inc. (formerly known as Columbia Care Inc.) Amended and Restated Omnibus Long-Term Incentive Plan | 25000000 |

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On March 24, 2026, the Registrant and its debtor affiliate, the Cannabist Company Holdings (Canada) Inc. (together, the "Debtors"), commenced a proceeding under the jurisdiction of the Ontario Superior Court of Justice (Commercial List) pursuant to the Companies' Creditors Arrangement Act (the "CCAA") (the "Canadian Proceeding"). On March 25, 2026, the Debtors filed voluntary petitions for relief under chapter 15 of title 11 of the United States Code (such cases, the "Chapter 15 Cases") in the United States Bankruptcy Court for the District of Delaware. In connection with the Canadian Proceeding and the filing of the Chapter 15 Cases, the Registrant is terminating all offerings of its securities pursuant to the existing registration statements under the Securities Act of 1933, including the Registration Statements.

Pursuant to the undertaking made by the Registrant in the Registration Statement 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 is filing these Post-Effective Amendments to terminate the effectiveness of the Registration Statement and to deregister, as of the effectiveness of these Post-Effective Amendments, any and all common shares of the Registrant registered thereunder that remain unsold as of the effective date. As a result of this deregistration and upon the effectiveness of these Post-Effective Amendments, no securities will remain registered pursuant to the Registration Statements.

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#### SIGNATURE
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused these Post-Effective Amendments to the Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized in the City of Chelmsford, State of Massachusetts, on March 25, 2026.

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| |
|:---|
| **THE CANNABIST COMPANY HOLDINGS INC.** |
| By: /s/ David Sirolly |
| Name: David Sirolly |
| Title: Chief Legal Officer & General Counsel |

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Note: No other person is required to sign these Post-Effective Amendments in reliance upon Rule 478 under the Securities Act of 1933.

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