Summary
Updated Aug 31, 2026
Jeff Clarke files SEC Form 4 reports at Cannabist Co Holdings Inc. (CBSTF). 2 SEC Form 4 filings on record, most recently on 1 October 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Jeff Clarke has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jeff Clarke go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Jeff Clarke's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Martin Roper - $23.98M of COCO open-market activity in the last 12 months
- Lawrence Erik Kurzius - $23.59M of MKC open-market activity in the last 12 months
- Matthew Ohayer - $23.19M of VITL open-market activity in the last 12 months
- Fred Burke - $19.93M of GRDN open-market activity in the last 12 months
- Bruno Pietracci - $19.20M of KO open-market activity in the last 12 months
- Jonathan Burth - $17.61M of COCO open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jeff Clarke?
Jeff Clarke is a corporate insider of Cannabist Co Holdings Inc. (CBSTF). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jeff Clarke last file a Form 4?
The most recent primary Form 4 on record is dated 1 October 2025, one of 2 filings going back to 2025.
Where can I see all of Jeff Clarke's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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