Jeff Leblanc - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Jeff Leblanc has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $245K.
Profile
Jeff Leblanc is a corporate insider at Greenland Mines Ltd (GRML). Leblanc has reported 4 insider filings with the SEC since 2025. The most recent filing was in July 2026.
| Role | Chief Financial Officer |
|---|---|
| Notability | 20/100 |
Board memberships
- Greenland Mines Ltd
Trading Pattern
InsiderAlpha's records for Jeff Leblanc go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $245K (1 buy totaling $245K). The largest single buy on record is $245K of GRML in 2026. 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 Jeff Leblanc 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.
- Chief Financial Officer at Greenland Mines Ltd (GRML) - 4 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-17 | GRML | Greenland Mines Ltd | P - Open-market purchase | 1.40M | $0.18 | $245K |
| 2026-03-06 | GRML | Greenland Mines Ltd | A - Grant or award | 2.50M | - | |
| 2025-08-25 | GRML | Greenland Mines Ltd | A - Grant or award | 200.0K | - | |
| 2025-08-05 | GRML | Greenland Mines Ltd | A - Grant or award | 156.2K | - |
Companies - Last 90 Days
- Greenland Mines Ltd (GRML) - 1 filing, last 2026-07-17
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Jeff Leblanc has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Jason David Sawyer - $56K of GRML open-market activity in the last 12 months
- Riad Hussein El-Dada - $41K of GRML open-market activity in the last 12 months
- Jon McGarity - $25K of GRML open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Arun Jeldi
- Jan Philipp Jenisch
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
Frequently Asked Questions
Who is Jeff Leblanc?
Jeff Leblanc is a corporate insider at Greenland Mines Ltd (GRML). Leblanc has reported 4 insider filings with the SEC since 2025. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Jeff Leblanc submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jeff Leblanc been buying or selling stock?
Recorded transactions: 1 open-market purchase ($245K) and 0 open-market sales across all tracked filings.
Where can I see all of Jeff Leblanc'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 Jeff Leblanc profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.