# EDGAR Filing Document

**Accession Number:** 0001776738
**File Stem:** 9999999995-26-000940
**Filing Date:** 2026-3
**Character Count:** 1430
**Document Hash:** dd505e52ceabc4c017842caac6c3e53e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-000940.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 9999999995-26-000940

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260326

**DATE AS OF CHANGE**: 20260327

**EFFECTIVENESS DATE**: 20260326

**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:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-278472
- **FILM NUMBER:** 26800691

**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

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** March 26, 2026

**Accession Number:** 0001140361-26-011133

**Form Type:** POS AM

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**CIK:** 0001776738

**Company Name:** Cannabist Co Holdings Inc.

**File Number:** 333-278472