Summary
Updated Aug 31, 2026
Brien Daniel B. O. is Chief Executive Officer, Director, 10% Owner of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI). 3 SEC Form 4 filings on record, most recently on 10 February 2026. Most recent open-market trade: sold $95K of FSI on 10 February 2026. Lifetime open-market sales: $765K.
Recent Transactions
4Every recent SEC Form 4 transaction Brien Daniel B. O. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Brien Daniel B. O. go back to 2026: 3 primary Form 4 filings, an average of 3.0 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.
Most Active Insiders Right Now
Brien Daniel B. O. has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- John G. Danhakl - $410.21M of LTH open-market activity in the last 90 days
- John Kristofer Galashan - $410.21M of LTH open-market activity in the last 90 days
- Green LTF Holdings II LP - $410.21M of LTH open-market activity in the last 90 days
- Mark A. Stevens - $407.10M of NVDA open-market activity in the last 90 days
- Xuning Wang - $401.19M of SN open-market activity in the last 90 days
- Fairmount Funds Management LLC - $399.66M of SYRE open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Brien Daniel B. O.?
Brien Daniel B. O. is a corporate insider, tracked as Chief Executive Officer, Director, 10% Owner of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Brien Daniel B. O. last file a Form 4?
The most recent primary Form 4 on record is dated 10 February 2026, one of 3 filings going back to 2026.
Has Brien Daniel B. O. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($765K) across all tracked filings.
Where can I see all of Brien Daniel B. O.'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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