Updated Jul 16, 2026 · Last SEC filing 2026-07-01
HYPERION DEFI, INC. (HYPD) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 5 Form 8-K material event filings were reported by HYPD in the last 90 days. InsiderAlpha tracks every HYPD SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Pharmaceutical Preparations (SIC 2834) |
|---|---|
| SEC CIK | 0001682639 |
| Form 4 filings (90d) | 6 |
|---|---|
| Form 8-K filings (90d) | 5 |
| Latest Form 4 filing | 2026-07-01 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| GELTZEILER MICHAEL S | Director | A — Grant or award | 58.9K | $0.00 | — | SEC | |
| JACOBSON RACHEL | Director | A — Grant or award | 58.9K | $0.00 | — | SEC | |
| Strahlman Ellen R | Director | A — Grant or award | 58.9K | $0.00 | — | SEC | |
| Walters Happy David | Director | A — Grant or award | 58.9K | $0.00 | — | SEC | |
| Jung Hyunsu | See Remarks | P — Open-market purchase | 500 | $3.68 | $2K | SEC | |
| Jung Hyunsu | See Remarks | P — Open-market purchase | 500 | $3.64 | $2K | SEC | |
| Jung Hyunsu | See Remarks | P — Open-market purchase | 5.0K | $3.66 | $18K | SEC | |
| Jung Hyunsu | See Remarks | P — Open-market purchase | 2.0K | $3.81 | $8K | SEC | |
| Jung Hyunsu | See Remarks | F — Tax withholding / forfeiture | 40.0K | $0.00 | — | SEC | |
| Knox David R. | Chief Financial Officer | F — Tax withholding / forfeiture | 20.8K | $0.00 | — | SEC | |
| Knox David R. | Chief Financial Officer | A — Grant or award | 100.0K | $0.00 | — | SEC | |
| Knox David R. | Chief Financial Officer | A — Grant or award | 200.0K | $0.00 | — | SEC | |
| Walters Happy David | Director | A — Grant or award | 50.0K | $0.00 | — | SEC | |
| JACOBSON RACHEL | Director | A — Grant or award | 50.0K | $0.00 | — | SEC | |
| Strahlman Ellen R | Director | A — Grant or award | 50.0K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for HYPERION DEFI, INC. (HYPD). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Jung Hyunsu | 5 | $30K |
| GELTZEILER MICHAEL S | 1 | — |
| Strahlman Ellen R | 1 | — |
| JACOBSON RACHEL | 1 | — |
| Walters Happy David | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in HYPD insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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