HYPERION DEFI, INC. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Jung Hyunsu | See Remarks | Tax Withholding | 82,324 | — | — | 1,417,676 | Dec 29, 2025 |
| Strahlman Ellen R | — | Purchase | 11,856 | $3.61 | $42,800 | 34,869 | Dec 26, 2025 |
| Strahlman Ellen R | — | Purchase | 19,702 | $3.14 | $61,864 | 95,150 | Dec 18, 2025 |
| Walters Happy David | — | Purchase | 61,930 | $3.02 | $187,029 | 111,930 | Dec 17, 2025 |
| GELTZEILER MICHAEL S | — | Purchase | 30,000 | $3.01 | $90,300 | 88,015 | Dec 17, 2025 |
| Knox David R. | Chief Financial Officer | Award / Grant | 200,000 | — | — | 300,000 | Sep 29, 2025 |
| Walters Happy David | — | Award / Grant | 50,000 | — | — | 50,000 | Sep 8, 2025 |
| Jung Hyunsu | Chief Investment Officer | Award / Grant | 1,000,000 | — | — | 1,500,000 | Aug 18, 2025 |
| JACOBSON RACHEL | — | Award / Grant | 50,000 | — | — | 56,301 | Aug 18, 2025 |
| Strahlman Ellen R | — | Award / Grant | 50,000 | — | — | 56,706 | Aug 18, 2025 |
| GELTZEILER MICHAEL S | — | Award / Grant | 50,000 | — | — | 58,015 | Aug 18, 2025 |
| Jung Hyunsu | Chief Investment Officer | Award / Grant | 500,000 | — | — | 500,000 | Jun 17, 2025 |
| JACOBSON RACHEL | — | Award / Grant | 5,000 | — | — | 6,301 | Jun 13, 2025 |
| Rowe Michael M | Chief Executive Officer | Award / Grant | 6,600 | — | — | 7,975 | Jun 13, 2025 |
| GELTZEILER MICHAEL S | — | Award / Grant | 7,000 | — | — | 8,015 | Jun 13, 2025 |
| Strahlman Ellen R | — | Award / Grant | 5,000 | — | — | 6,706 | Jun 13, 2025 |
| Strahlman Ellen R | — | Award / Grant | 3,000 | — | — | 4,706 | Apr 21, 2025 |
| Palanki Ram | — | Award / Grant | 3,000 | — | — | 4,235 | Apr 21, 2025 |
| MATHER CHARLES E IV | — | Award / Grant | 8,000 | — | — | 9,950 | Apr 21, 2025 |
| JACOBSON RACHEL | — | Award / Grant | 3,000 | — | — | 4,301 | Apr 21, 2025 |
| Ianchulev Tsontcho | — | Award / Grant | 5,000 | — | — | 10,122 | Apr 21, 2025 |
| GELTZEILER MICHAEL S | — | Award / Grant | 5,000 | — | — | 6,015 | Apr 21, 2025 |
| Strahlman Ellen R | — | Award / Grant | 3,000 | — | — | 4,707 | Apr 21, 2025 |
| Palanki Ram | — | Award / Grant | 3,000 | — | — | 4,236 | Apr 21, 2025 |
| MATHER CHARLES E IV | — | Award / Grant | 8,000 | — | — | 9,953 | Apr 21, 2025 |
| Kern Bren | Chief Operating Officer | Award / Grant | 50,000 | — | — | 50,031 | Apr 21, 2025 |
| JACOBSON RACHEL | — | Award / Grant | 3,000 | — | — | 4,302 | Apr 21, 2025 |
| Ianchulev Tsontcho | — | Award / Grant | 5,000 | — | — | 10,124 | Apr 21, 2025 |
| GELTZEILER MICHAEL S | — | Award / Grant | 5,000 | — | — | 6,016 | Apr 21, 2025 |
| Rowe Michael M | Chief Executive Officer | Purchase | 27,071 | $0.52 | $14,077 | 109,998 | Aug 28, 2024 |
| Rowe Michael M | Chief Executive Officer | Purchase | 50,000 | $0.57 | $28,500 | 82,927 | Aug 26, 2024 |
| Grant Stuart M. | — | Purchase | 1,515,151 | $0.66 | $1,000,000 | 10,914,153 | Jul 2, 2024 |
| Strahlman Ellen R | — | Award / Grant | 61,481 | — | — | 136,594 | Jun 12, 2024 |
| Palanki Ram | — | Award / Grant | 61,481 | — | — | 98,909 | Jun 12, 2024 |
| MATHER CHARLES E IV | — | Award / Grant | 61,481 | — | — | 156,266 | Jun 12, 2024 |
| JACOBSON RACHEL | — | Award / Grant | 61,481 | — | — | 104,233 | Jun 12, 2024 |
| Ianchulev Tsontcho | — | Award / Grant | 61,481 | — | — | 409,933 | Jun 12, 2024 |
| GELTZEILER MICHAEL S | — | Award / Grant | 61,481 | — | — | 81,295 | Jun 12, 2024 |
| Grant Stuart M. | — | Purchase | 100,000 | $0.98 | $98,000 | 5,430,715 | Mar 28, 2024 |
| Grant Stuart M. | — | Purchase | 50,000 | $1.23 | $61,500 | 5,330,715 | Mar 19, 2024 |
| Grant Stuart M. | — | Purchase | 10,717 | $1.58 | $16,933 | 5,280,715 | Mar 8, 2024 |
| Rowe Michael M | Chief Executive Officer | Purchase | 4,890 | $1.36 | $6,650 | 32,927 | Dec 4, 2023 |
| GELTZEILER MICHAEL S | — | Award / Grant | 19,814 | — | — | 19,814 | Nov 14, 2023 |
| Strahlman Ellen R | — | Purchase | 4,820 | $1.68 | $8,098 | 75,113 | Sep 29, 2023 |
| Rowe Michael M | Chief Executive Officer | Purchase | 1,400 | $1.66 | $2,324 | 28,037 | Sep 15, 2023 |
| Grant Stuart M. | — | Purchase | 30,000 | $1.87 | $56,100 | 5,269,998 | Aug 16, 2023 |
| Strahlman Ellen R | — | Award / Grant | 17,241 | — | — | 70,293 | Jun 27, 2023 |
| Palanki Ram | — | Award / Grant | 17,241 | — | — | 37,428 | Jun 27, 2023 |
| MATHER CHARLES E IV | — | Award / Grant | 17,241 | — | — | 94,785 | Jun 27, 2023 |
| JACOBSON RACHEL | — | Award / Grant | 17,241 | — | — | 42,752 | Jun 27, 2023 |