ZENTMAN SAMUEL M has filed 15 insider transactions across 2 companies since January 2023.
Most recent transaction: a grant/award of 350000 shares of Greenland Mines Ltd ($GRML) on March 04, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | Greenland Mines Ltd | $GRML | ZENTMAN SAMUEL M | Not found | A | Common Stock | 350000 | $0.00 | 1,086,440.0000 | 59,416,539 | 47.53% | 0.59% |
| Feb. 5, 2026 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | stock options | 625 | $0.00 | 0.0000 | 2,554,000 | 100.00% | 0.02% |
| Feb. 5, 2026 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | common stock | 625 | $4.96 | 7,242.0000 | 2,554,000 | 9.45% | 0.02% |
| Jan. 19, 2026 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | A | stock options | 3125 | $0.00 | 3,125.0000 | 2,554,000 | 9999.99% | 0.12% |
| Dec. 10, 2025 | Greenland Mines Ltd | $GRML | ZENTMAN SAMUEL M | Not found | A | Non-Qualified Stock Option | 20000 | $0.41 | 60,000.0000 | 59,416,539 | 50.00% | 0.03% |
| Aug. 7, 2025 | Greenland Mines Ltd | $GRML | ZENTMAN SAMUEL M | Not found | A | Non-Qualified Stock Option | 10000 | $0.41 | 40,000.0000 | 33,952,418 | 33.33% | 0.03% |
| Aug. 5, 2025 | Greenland Mines Ltd | $GRML | ZENTMAN SAMUEL M | Not found | A | Common Stock | 153494 | $0.00 | 736,440.0000 | 33,952,418 | 26.33% | 0.45% |
| Jan. 1, 2025 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | A | stock options | 625 | $0.00 | 625.0000 | 2,512,000 | 9999.99% | 0.02% |
| Nov. 22, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | stock options | 625 | $0.00 | 0.0000 | 2,511,000 | 100.00% | 0.02% |
| Nov. 22, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | common stock | 625 | $3.68 | 6,617.0000 | 2,511,000 | 10.43% | 0.02% |
| Jan. 1, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | common stock | 625 | $2.88 | 91,240.0000 | 2,503,000 | 0.69% | 0.02% |
| Jan. 1, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | F | common stock | 296 | $6.09 | 90,944.0000 | 2,503,000 | 0.32% | 0.01% |
| Jan. 1, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | M | stock options | 625 | $0.00 | 0.0000 | 2,503,000 | 100.00% | 0.02% |
| Jan. 1, 2024 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | A | stock options | 625 | $0.00 | 625.0000 | 2,503,000 | 9999.99% | 0.02% |
| Jan. 3, 2023 | ACORN ENERGY, INC. | $ACFN | ZENTMAN SAMUEL M | Director | A | stock options | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |