Hyperion Defi, Inc.
HYPD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001682639
No open-market purchases or sales by Hyperion Defi, Inc. insiders were filed in the last 90 days; 33 institutions reported holding it in 13F filings for Q2 2026, worth $7.92M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Hyperion Defi, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Hyperion Defi, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Jung Hyunsu | See Remarks | 1,345,676 | Aug 18, 2026 | 4 |
| Walters Happy David | Director | 170,847 | Jul 1, 2026 | 2 |
| Strahlman Ellen R | Director | 150,078 | Jul 1, 2026 | 3 |
| Jacobson Rachel | Director | 115,218 | Jul 1, 2026 | 1 |
| Geltzeiler Michael S | Director | 146,932 | Jul 1, 2026 | 2 |
| Knox David R. | Chief Financial Officer | 307,119 | Apr 1, 2026 | 3 |
| Rubenstein Robert | General Counsel | 75,000 | Jan 12, 2026 | 1 |
| Rowe Michael M | Chief Executive Officer | 7,975 | Jul 9, 2025 | 0 |
| Lasry Marc | 10% Owner | – | Jun 3, 2025 | 0 |
| Avenue Capital Management II, L.P. | 10% Owner | – | Jun 3, 2025 | 0 |
| Avenue Venture Opportunities Fund, L.P. | 10% Owner | – | Jun 3, 2025 | 0 |
| Avenue Venture Opportunities Fund II, L.P. | 10% Owner | – | Jun 3, 2025 | 0 |
| Mather Charles E IV | Director | 9,950 | Apr 29, 2025 | 0 |
| Ianchulev Tsontcho | Director | 10,122 | Apr 29, 2025 | 0 |
| Palanki Ram | Director | 4,235 | Apr 29, 2025 | 0 |
| Kern Bren | Chief Operating Officer | 50,031 | Apr 23, 2025 | 0 |
| Jones Andrew D. | Chief Financial Officer | – | Sep 3, 2024 | 0 |
| Grant Stuart M. | 10% Owner | 10,914,153 | Jul 3, 2024 | 0 |
| Gandolfo John P | Chief Financial Officer | 8,000 | Feb 14, 2024 | 0 |
| Benjamin Stephen Keith | Director | 25,511 | Jun 29, 2022 | 0 |
| Lee Kenneth B Jr | Director | 64,544 | Jun 21, 2022 | 0 |
| Haller Julia A | Director | 30,408 | Jun 21, 2022 | 0 |
| Eshelman Fredric N | Director | 1,299,750 | Nov 22, 2021 | 0 |
| Mario Ernest | Director | 382,706 | Nov 22, 2021 | 0 |
| Sun Anthony Y | Director | 26,322 | Nov 22, 2021 | 0 |
| LaBelle Curt H | Director | 42,236 | Nov 22, 2021 | 0 |
| Clasby Jennifer G | VP, Regulatory and Clinical | 66,537 | Jul 21, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 2, 2026 (view filing) | Jun 1-2 | 1 day | Jung HyunsuSee Remarks | PPurchaseCommon Stock, par value $0.0001 | +8.00K | $3.70 | +$29.6K | +0.6%1.39M after | 4 lots |
| Jan 5, 2026 (view filing) | Dec 31, 2025 | 5 days | Knox David R.Chief Financial Officer | PPurchaseCommon Stock, par value $0.0001 | +27.9K | $3.59 | +$100.3K | +9.3%327.9K after | |
| Dec 30, 2025 (view filing) | Dec 26-29 | 4 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +15.7K | $3.66 | +$57.5K | +20.8%91.2K after | 2 lots |
| Dec 30, 2025 (view filing) | Dec 26-29 | 4 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +15.2K | $3.66 | +$55.6K | +77.0%34.9K after | 2 lots |
| Dec 22, 2025 (view filing) | Dec 18 | 4 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +18.7K | $3.14 | +$58.8K | +33.1%75.4K after | |
| Dec 22, 2025 (view filing) | Dec 18 | 4 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +19.7K | $3.14 | +$61.9K | +26.1%95.2K after | |
| Dec 19, 2025 (view filing) | Dec 17 | 2 days | Walters Happy DavidDirector | PPurchaseCommon Stock, par value $0.0001 | +61.9K | $3.02 | +$187.0K | +123.9%111.9K after | |
| Dec 19, 2025 (view filing) | Dec 17 | 2 days | Geltzeiler Michael SDirector | PPurchaseCommon Stock, par value $0.0001 | +30.0K | $3.01 | +$90.3K | +51.7%88.0K after | |
| Aug 28, 2024 (view filing) | Aug 28 | Same day | Rowe Michael MChief Executive Officer | PPurchaseCommon Stock, par value $0.0001 | +27.1K | $0.52 | +$14.1K | +32.6%110.0K after | |
| Aug 27, 2024 (view filing) | Aug 26 | 1 day | Rowe Michael MChief Executive Officer | PPurchaseCommon Stock, par value $0.0001 | +50.0K | $0.57 | +$28.5K | +151.9%82.9K after | |
| Jul 3, 2024 (view filing) | Jul 2 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +1.52M | $0.66 | +$1.00M | +16.1%10.9M after | |
| Mar 28, 2024 (view filing) | Mar 28 | Same day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +100.0K | $0.98 | +$98.0K | +1.9%5.43M after | |
| Mar 20, 2024 (view filing) | Mar 19 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +50.0K | $1.23 | +$61.5K | +0.9%5.33M after | |
| Mar 11, 2024 (view filing) | Mar 8 | 3 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +10.7K | $1.58 | +$16.9K | +0.2%5.28M after | |
| Dec 5, 2023 (view filing) | Dec 4 | 1 day | Rowe Michael MChief Executive Officer | PPurchaseCommon Stock, par value $.0001 | +4.89K | $1.36 | +$6.65K | +17.4%32.9K after | |
| Oct 2, 2023 (view filing) | Sep 29 | 3 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +4.82K | $1.68 | +$8.10K | +6.9%75.1K after | |
| Sep 19, 2023 (view filing) | Sep 15-19 | 4 days | Rowe Michael MChief Executive Officer | PPurchaseCommon Stock, par value $.0001 | +2.54K | $1.70 | +$4.31K | +9.9%28.0K after | 2 lots |
| Aug 17, 2023 (view filing) | Aug 16 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +45.0K | $1.91 | +$86.0K | +0.9%5.24M after | |
| Aug 17, 2023 (view filing) | Aug 17 | Same day | Grant Stuart M.10% Owner | PPurchaseCommon Stock, par value $0.0001 | +30.0K | $1.87 | +$56.1K | +0.6%5.27M after | |
| May 31, 2023 (view filing) | May 31 | Same day | Gandolfo John PChief Financial Officer | PPurchaseCommon Stock, par value $.0001 | +2.00K | $2.79 | +$5.58K | +33.3%8.00K after | |
| May 31, 2023 (view filing) | May 26 | 5 days | Kern BrenChief Operating Officer | PPurchaseCommon Stock, par value $.0001 | +2.50K | $2.73 | +$6.83K | New position2.50K after | |
| May 30, 2023 (view filing) | May 26 | 4 days | Mather Charles E IVDirector | PPurchaseCommon Stock, par value $.0001 | +3.00K | $2.49 | +$7.47K | +4.0%77.5K after | |
| May 26, 2023 (view filing) | May 25 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +88.2K | $2.65 | +$233.9K | +1.7%5.19M after | |
| May 25, 2023 (view filing) | May 23 | 2 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +10.0K | $3.10 | +$31.0K | +23.2%53.1K after | |
| May 16, 2023 (view filing) | May 15 | 1 day | Mather Charles E IVDirector | PPurchaseCommon Stock, par value $.0001 | +4.00K | $3.39 | +$13.6K | +5.7%74.5K after | Amended |
| May 2, 2023 (view filing) | May 1 | 1 day | Ianchulev TsontchoDirector | SSaleCommon Stock, par value $.0001 | −90.0K | $5.50 | −$495.0K | −21.4%331.2K after | 10b5-1 |
| May 1, 2023 (view filing) | Apr 27 | 4 days | Ianchulev TsontchoDirector | SSaleCommon Stock, par value $.0001 | −60.0K | $5.00 | −$300.0K | −12.5%421.2K after | 10b5-1 |
| Apr 17, 2023 (view filing) | Apr 14 | 3 days | Ianchulev TsontchoDirector | SSaleCommon Stock, par value $.0001 | −40.0K | $4.50 | −$180.0K | −7.7%481.2K after | 10b5-1 |
| Apr 12, 2023 (view filing) | Apr 11 | 1 day | Ianchulev TsontchoDirector | SSaleCommon Stock, par value $.0001 | −40.0K | $4.00 | −$160.0K | −7.1%521.2K after | 10b5-1 |
| Apr 3, 2023 (view filing) | Mar 31 | 3 days | Ianchulev TsontchoDirector | SSaleCommon Stock, par value $.0001 | −40.0K | $3.50 | −$140.0K | −6.7%561.2K after | 10b5-1 |
| Jan 3, 2023 (view filing) | Dec 30, 2022 | 4 days | Rowe Michael MCHIEF EXECUTIVE OFFICER | PPurchaseCommon Stock, par value $.0001 | +10.0K | $1.54 | +$15.4K | +181.8%15.5K after | |
| Jan 3, 2023 (view filing) | Dec 30, 2022 | 4 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +21.8K | $1.50 | +$32.6K | +0.4%5.11M after | |
| Aug 31, 2022 (view filing) | Aug 29-31 | 2 days | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +21.4K | $1.61 | +$34.5K | +98.5%43.1K after | 3 lots |
| Aug 25, 2022 (view filing) | Aug 24 | 1 day | Strahlman Ellen RDirector | PPurchaseCommon Stock, par value $.0001 | +1.50K | $1.59 | +$2.39K | +7.5%21.7K after | |
| Jun 23, 2022 (view filing) | Jun 21 | 2 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +100.0K | $1.65 | +$165.0K | +2.0%5.08M after | |
| May 23, 2022 (view filing) | May 19 | 4 days | Lee Kenneth B JrDirector | PPurchaseCommon Stock, par value $.0001 | +10.0K | $2.20 | +$22.0K | +30.9%42.3K after | |
| May 19, 2022 (view filing) | May 18 | 1 day | Mather Charles E IVDirector | PPurchaseCommon Stock, par value $.0001 | +7.00K | $2.03 | +$14.2K | +16.9%48.3K after | |
| May 12, 2022 (view filing) | May 10-11 | 2 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +75.0K | $1.97 | +$147.8K | +1.5%4.98M after | 2 lots |
| May 5, 2022 (view filing) | May 4-5 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +50.0K | $2.26 | +$113.0K | +1.0%4.94M after | 2 lots |
| Apr 25, 2022 (view filing) | Apr 21-22 | 4 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +58.8K | $2.58 | +$151.5K | +1.2%4.89M after | 2 lots |
| Mar 31, 2022 (view filing) | Mar 31 | Same day | Mather Charles E IVDirector | PPurchaseCommon Stock, par value $.0001 | +4.00K | $3.12 | +$12.5K | +10.7%41.3K after | |
| Feb 23, 2022 (view filing) | Feb 18-22 | 5 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +52.0K | $2.77 | +$144.0K | +1.1%4.83M after | 2 lots |
| Feb 8, 2022 (view filing) | Feb 7 | 1 day | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +36.0K | $2.97 | +$107.0K | +0.8%4.78M after | |
| Dec 17, 2021 (view filing) | Dec 15 | 2 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +100.0K | $3.45 | +$345.0K | +2.2%4.72M after | |
| Nov 17, 2021 (view filing) | Nov 15-16 | 2 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +100.0K | $3.61 | +$360.8K | +2.2%4.62M after | 4 lots |
| Nov 3, 2021 (view filing) | Nov 3 | Same day | Ianchulev TsontchoCHIEF EXECUTIVE OFFICER | PPurchaseCommon Stock, par value $.0001 | +30.0K | $4.04 | +$121.2K | +5.5%579.9K after | |
| Nov 2, 2021 (view filing) | Oct 29 | 4 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +15.5K | $3.75 | +$58.1K | +0.3%4.54M after | 2 lots |
| Nov 1, 2021 (view filing) | Nov 1 | Same day | Mather Charles E IVDirector | PPurchaseCommon Stock, par value $.0001 | +4.00K | $3.83 | +$15.3K | +15.2%30.4K after | |
| Oct 27, 2021 (view filing) | Oct 27 | Same day | Rowe Michael MCHIEF OPERATING OFFICER | PPurchaseCommon Stock, par value $.0001 | +1.20K | $4.14 | +$4.97K | +27.9%5.50K after | |
| Oct 27, 2021 (view filing) | Oct 25 | 2 days | Grant Stuart M.10% Owner | PPurchaseCommon stock, par value $0.0001 | +33.8K | $4.00 | +$135.2K | +0.8%4.42M after |