Co-founder Michael Abbott exits The Cannabist Company (CBSTF) board role

Rhea-AI Filing Summary

The Cannabist Company Holdings Inc. reported that co-founder Michael Abbott has resigned from its Board of Directors. Abbott, who previously served as Executive Chairman and Chair of the Board, informed the Board of his decision on October 3, 2025, and his resignation was effective the same day. The company states that his departure is to pursue other personal and professional commitments and that it did not arise from any dispute or disagreement regarding the company’s operations, policies, or practices.

Insights

Corporate governance analyst

Co-founder Michael Abbott leaves The Cannabist Company board without reported dispute.

The Cannabist Company Holdings Inc. disclosed that co-founder and former Executive Chairman Michael Abbott resigned from its Board of Directors effective October 3, 2025. Leadership changes at the founder level can matter because founders often shape strategy, culture, and long-term vision, even after stepping back from executive roles.

The company explicitly notes that Abbott’s resignation was to pursue other personal and professional commitments and was not due to any dispute or disagreement over operations, policies, or practices. That language is important, as it aims to reassure stakeholders that there is no underlying governance conflict being reported in connection with his departure.

The filing does not describe any immediate replacement or board reorganization, so future disclosures may clarify how board responsibilities formerly associated with Abbott will be allocated. Investors tracking the company’s governance may pay particular attention to subsequent 8-Ks or proxy materials that describe board composition and leadership structure after October 3, 2025.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________

FORM 8-K

____________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): October 3, 2025

____________________

THE CANNABIST COMPANY HOLDINGS INC.

(Exact Name of Registrant as specified in its charter)

____________________

British Columbia			000-56294			98-1488978
(State or Other Jurisdiction of Incorporation)			(Commission File Number)			(IRS Employer Identification No.)

321 Billerica Road Chelmsford, Massachusetts			01824
(Address of principal executive offices)			(Zip Code)

(978) 910-1486

(Registrant’s telephone number, including area code)

Not Applicable

(Registrant’s name or former address, if change since last report)

____________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: None.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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 pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02.			Departure of Directors or Certain Officers; Election of Directors;
			Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On October 3, 2025, Michael Abbott, co-founder and formerly Executive Chairman and Chair of the Board of Directors (the “Board”) of The Cannabist Company Holdings Inc. (the “Company”), notified the Board of his intention to resign as a director of the Company, effective October 3, 2025, in order to pursue other personal and professional commitments. Mr. Abbott’s resignation was not the result of any dispute or disagreement with the Company or the Board on any matter relating to the Company including, without limitation, the operation, policies or practices of the Company.

SIGNATURE

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

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

Date: October 6, 2025

FAQ

What did The Cannabist Company Holdings Inc. (CBSTF) disclose in this 8-K?

The company disclosed that co-founder Michael Abbott resigned as a director of The Cannabist Company Holdings Inc., effective October 3, 2025, to pursue other personal and professional commitments.

Who is Michael Abbott in relation to The Cannabist Company Holdings Inc. (CBSTF)?

Michael Abbott is a co-founder of The Cannabist Company Holdings Inc. and formerly served as its Executive Chairman and Chair of the Board of Directors.

When did Michael Abbott’s resignation from The Cannabist Company (CBSTF) board become effective?

Michael Abbott’s resignation as a director of The Cannabist Company Holdings Inc. became effective on October 3, 2025, the same date he notified the Board.

Did Michael Abbott resign from The Cannabist Company (CBSTF) due to a dispute with the company or its board?

No. The company states that Michael Abbott’s resignation was not the result of any dispute or disagreement with the company or the Board regarding its operations, policies, or practices.

Does the filing mention any replacement for Michael Abbott on The Cannabist Company (CBSTF) board?

The filing only reports Michael Abbott’s resignation from the Board of Directors and does not identify a replacement or any changes to board composition in this disclosure.

What is the SEC form type for this The Cannabist Company (CBSTF) disclosure?

The disclosure is made on a Form 8-K under Item 5.02, which covers departures of directors or certain officers and related matters.