# EDGAR Filing Document

**Accession Number:** 0001756770
**File Stem:** 0001756770-26-000044
**Filing Date:** 2026-5
**Character Count:** 6098
**Document Hash:** 104fe792bf86639576e24a8a1688ba69
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001756770-26-000044.hdr.sgml**: 20260511

**ACCESSION NUMBER**: 0001756770-26-000044

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 7

**CONFORMED PERIOD OF REPORT**: 20260506

**FILED AS OF DATE**: 20260511

**DATE AS OF CHANGE**: 20260511

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Curaleaf Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001756770
- **STANDARD INDUSTRIAL CLASSIFICATION:** MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 333-249081
- **FILM NUMBER:** 26961650

**BUSINESS ADDRESS:**
- **STREET 1:** 420 LEXINGTON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10170
- **BUSINESS PHONE:** 781-451-0117

**MAIL ADDRESS:**
- **STREET 1:** 420 LEXINGTON AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10170

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LEAD VENTURES INC.
- **DATE OF NAME CHANGE:** 20181023

**UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION <br>Washington, D.C. 20549**

**FORM 6-K**

**REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER <br>THE SECURITIES EXCHANGE ACT OF 1934**

**For the month of May, 2026**

**Commission File Number: 333-249081**

**<u>Curaleaf Holdings, Inc.</u>**<br> (Name of Registrant)

**666 Burrard Street, Suite 1700,** 

**Vancouver, British Columbia V6C 2X8, Canada**<br>(Address of Principal Executive Office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☐&nbsp;&nbsp;&nbsp;&nbsp;Form 40-F ☒

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**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
| | | **CURALEAF HOLDINGS, INC.** | **CURALEAF HOLDINGS, INC.** |
| | | (Registrant) | (Registrant) |
| Date: | May 6, 2026 | By: | */s/ Peter Clateman* |
|  |  | Name: | Peter Clateman |
|  |  | Title: | Chief Legal Officer |

---

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**EXHIBIT INDEX**

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| | |
|:---|:---|
| **Exhibit Number** | **Description** |
| [99.1](cura-noticeofchangeofaud.htm) | [Notice of Change of Auditor](cura-noticeofchangeofaud.htm) |
| [99.2](cura-formerauditorletter.htm) | [Former Auditor Letter](cura-formerauditorletter.htm) |
| [99.3](curaleafholdingsinc2026s.htm) | [Successor Auditor Letter](curaleafholdingsinc2026s.htm) |

---

## Exhibit 99.1

![](cura-noticeofchangeofaud001.jpg)

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## Exhibit 99.2

![](cura-formerauditorletter001.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PKF O'CONNOR DAVIES, LLP 245 Park Avenue, New York, NY 10167 I Tel: 212.867.8000 or 212.286.2600 I Fax: 212.286.4080 I www.pkfod.com PKF O'Connor Davies, LLP is a member firm of the PKF International Limited network of legally independent firms and does not accept any responsibility or liability for the actions or inactions on the part of any other individual member firm or firms. May 6, 2026 British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers (Québec) Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Financial and Consumer Services Division (Prince Edward Island) Office of the Superintendent of Securities Service, Newfoundland and Labrador Office of the Yukon Superintendent of Securities Office of the Superintendent of Securities (Northwest Territories) Office of the Superintendent of Securities, Nunavut Dear Sirs/Mesdames: Re: Curaleaf Holdings, Inc. – Change of Auditor Pursuant to National Instrument 51-102 – Continuous Disclosure Obligations, we have reviewed the information contained in the Notice of Change of Auditor of Curaleaf Holdings, Inc. dated May 5, 2026 (the "Notice") and, based on our knowledge of such information at this time, we agree with the statements made in the Notice. Yours very truly, PKF O'Connor Davies, LLP New York, New York

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## Exhibit 99.3

![](curaleafholdingsinc2026s001.jpg)

BDO USA refers to BDO USA, P.C., a Virginia professional corporation, also doing business in certain jurisdictions with an alternative identifying abbreviation, such as Corp. or P.S.C. BDO USA, P.C. is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms. BDO is the brand name for the BDO network and for each of the BDO Member Firms. 109 Michigan St. NW, Suite 640 Grand Rapids, MI 49503 Tel: 616-774-7000 Fax: 616-776-3680 www.bdo.com May 6, 2026 British Columbia Securities Commission Alberta Securities Commission Financial and Consumer Affairs Authority of Saskatchewan The Manitoba Securities Commission Ontario Securities Commission Autorité des marchés financiers (Québec) Financial and Consumer Services Commission (New Brunswick) Nova Scotia Securities Commission Financial and Consumer Services Division (Prince Edward Island) Office of the Superintendent of Securities Service, Newfoundland and Labrador Office of the Yukon Superintendent of Securities Office of the Superintendent of Securities (Northwest Territories) Office of the Superintendent of Securities, Nunavut Dear Sirs/Mesdames: Re: Curaleaf Holdings, Inc. – Change of Auditor Pursuant to National Instrument 51-102 – Continuous Disclosure Obligations, we have reviewed the information contained in the Notice of Change of Auditor of Curaleaf Holdings, Inc. dated May 5, 2026 (the "Notice") and, based on our knowledge of such information at this time, we agree with the statements made in the Notice pertaining to our firm. Yours very truly, Grand Rapids, Michigan

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