MATHIESEN JEFFREY S has filed 9 insider transactions across 2 companies since February 2023.
Most recent transaction: a grant/award of 26200 shares of Solana Co ($HSDT) on July 02, 2025.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 2, 2025 | Solana Co | $HSDT | MATHIESEN JEFFREY S | CFO and Treasurer | A | Stock Option (Right to Buy) | 26200 | $0.00 | 26,200.0000 | 123,335 | 9999.99% | 21.24% |
| June 23, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | MATHIESEN JEFFREY S | Director | A | Option to Purchase Common Stock | 50000 | $0.00 | 50,000.0000 | 31,111,786 | 9999.99% | 0.16% |
| Feb. 14, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | MATHIESEN JEFFREY S | Director | A | Option to Purchase Common Stock | 17025 | $0.00 | 17,025.0000 | 30,880,415 | 9999.99% | 0.06% |
| Feb. 14, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | MATHIESEN JEFFREY S | Director | A | Common Stock | 27778 | $0.00 | 114,414.0000 | 30,880,415 | 32.06% | 0.09% |
| Jan. 6, 2025 | Solana Co | $HSDT | MATHIESEN JEFFREY S | CFO and Treasurer | A | Stock Option (Right to Buy) | 139857 | $0.00 | 139,857.0000 | 2,709,781 | 9999.99% | 5.16% |
| July 2, 2024 | Solana Co | $HSDT | MATHIESEN JEFFREY S | CFO and Treasurer | A | Stock Option (Right to Buy) | 404000 | $0.00 | 404,000.0000 | 3,322 | 9999.99% | 100.00% |
| March 16, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | MATHIESEN JEFFREY S | Not found | A | Option to Purchase Common Stock | 18927 | $0.00 | 18,927.0000 | 16,230,997 | 9999.99% | 0.12% |
| March 16, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | MATHIESEN JEFFREY S | Not found | A | Common Stock | 20576 | $0.00 | 86,636.0000 | 16,230,997 | 31.15% | 0.13% |
| Feb. 14, 2023 | Solana Co | $HSDT | MATHIESEN JEFFREY S | CFO and Treasurer | A | Stock Option (Right to Buy) | 2693000 | $0.00 | 2,693,000.0000 | 269,929 | 9999.99% | 100.00% |