John A. Bremer - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
John A. Bremer is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
John A. Bremer is Director at Purebase Corp (PUBC). Bremer has reported 1 insider filing with the SEC since 2025. The most recent filing was in June 2025.
| Role | Director, 10% Owner |
|---|---|
| Notability | 36/100 |
Board memberships
- Purebase Corp
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for John A. Bremer go back to 2025: 1 primary Form 4 filing, an average of 0.5 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.
Career & Filing History
Every role John A. Bremer has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director, 10% Owner at Purebase Corp (PUBC) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-06-16 | PUBC | Purebase Corp | J - Other acquisition / disposition | 5.34M | $0.08 | $427K |
| 2025-06-16 | PUBC | Purebase Corp | J - Other acquisition / disposition | 13.45M | $0.08 | $1.08M |
| 2025-06-16 | PUBC | Purebase Corp | J - Other acquisition / disposition | 8.44M | $0.08 | $675K |
Most Active Insiders Right Now
John A. Bremer has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
Frequently Asked Questions
Who is John A. Bremer?
John A. Bremer is Director at Purebase Corp (PUBC). Bremer has reported 1 insider filing with the SEC since 2025. The most recent filing was in June 2025.…
Where can I see all of John A. Bremer'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.
Learn More
Open the live John A. Bremer profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.