Greenland Mines's three largest insider shareholders as of September 09, 2026 are Joseph Sinkule (Chief Executive Officer, 6.35Mn shares), Capital Llc Redwoods (TenPercentOwner, 3.12Mn shares), Capital Markets Llc Chardan (TenPercentOwner, 1.28Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Joseph Sinkule | Chief Executive Officer | 6,346,700 | 0 | 6,346,700 | 53.0% | 06 Mar, 2026 |
| 2 | Capital Llc Redwoods | TenPercentOwner | 3,115,000 | 0 | 3,115,000 | 26.0% | 11 Apr, 2022 |
| 3 | Capital Markets Llc Chardan | TenPercentOwner | 1,284,364 | 0 | 1,284,364 | 10.7% | 02 Jul, 2024 |
| 4 | Samuel M Zentman | Director | 1,086,440 | 0 | 1,086,440 | 9.1% | 06 Mar, 2026 |
| 5 | Jeff Leblanc | Chief Financial Officer | 110,406 | 0 | 110,406 | 0.9% | 25 Aug, 2026 |
| 6 | Shalom Hirschman | Director | 18,177 | 0 | 18,177 | 0.2% | 04 Mar, 2026 |
| 7 | Jon Mcgarity | Director | 11,026 | 0 | 11,026 | 0.1% | 20 Jul, 2026 |
| 8 | Jason David Sawyer | Director | 4,800 | 0 | 4,800 | 0.0% | 23 Jul, 2026 |
| 9 | Riad Hussein El-Dada | Director | 3,500 | 0 | 3,500 | 0.0% | 25 Jun, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 25 Aug, 2026 | Jeff Leblanc | Chief Financial Officer | Acquired P | 14,000 | $9.72 | $136.08K | 110,406 | Direct |
| 22 Jul, 2026 | Jason David Sawyer | Director | Acquired P | 240,000 | $11.66 | $2.80Mn | 4,800 | Direct |
| 20 Jul, 2026 | Jon Mcgarity | Director | Acquired P | 140,000 | $8.87 | $1.24Mn | 11,026 | Direct |
| 16 Jul, 2026 | Jeff Leblanc | Chief Financial Officer | Acquired P | 1,400,000 | $8.76 | $12.26Mn | 96,407 | Direct |
| 25 Jun, 2026 | Riad Hussein El-Dada | Director | Disposed S | 175,000 | $11.59 | $2.03Mn | 3,500 | Direct |
| 04 Mar, 2026 | Samuel M Zentman | Director | Acquired A | 350,000 | — | — | 1,086,440 | Direct |
| 04 Mar, 2026 | Joseph Sinkule | Chief Executive Officer | Acquired A | 2,500,000 | — | — | 6,346,700 | Direct |
| 04 Mar, 2026 | Riad Hussein El-Dada | Director | Acquired A | 350,000 | — | — | 7,000 | Direct |
| 04 Mar, 2026 | Samuel M Zentman | Director | Acquired A | 350,000 | — | — | 1,086,440 | Direct |
| 04 Mar, 2026 | Joseph Sinkule | Chief Executive Officer | Acquired A | 2,500,000 | — | — | 6,346,700 | Direct |
| 04 Mar, 2026 | Samuel M Zentman | Director | Acquired A | 350,000 | — | — | 21,729 | Direct |
| 04 Mar, 2026 | Samuel M Zentman | Director | Acquired A | 350,000 | — | — | 1,086,440 | Direct |
| 04 Mar, 2026 | Joseph Sinkule | Chief Executive Officer | Acquired A | 2,500,000 | — | — | 6,346,700 | Direct |
| 04 Mar, 2026 | Jeff Leblanc | Chief Financial Officer | Acquired A | 2,500,000 | — | — | 68,407 | Direct |
| 04 Mar, 2026 | Joseph Sinkule | Chief Executive Officer | Acquired A | 2,500,000 | — | — | 126,934 | Direct |
| 04 Mar, 2026 | Jon Mcgarity | Director | Acquired A | 350,000 | — | — | 8,226 | Direct |
| 04 Mar, 2026 | Jon Mcgarity | Director | Acquired A | 350,000 | — | — | 411,277 | Direct |
| 04 Mar, 2026 | Jon Mcgarity | Director | Acquired A | 350,000 | — | — | 411,277 | Direct |
| 04 Mar, 2026 | Jon Mcgarity | Director | Acquired A | 350,000 | — | — | 411,277 | Direct |
| 04 Mar, 2026 | Shalom Hirschman | Director | Acquired A | 350,000 | — | — | 18,177 | Direct |