HYPD

HYPERION DEFI, INC.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

5

Buys

5

Sells

0

Largest Trade

$100K–$500K

Insiders

4

Institutional Funds

23

Inst. Value

$1M+

Activist Filings

18

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Knox David R.CFOBUY$100K–$500K28K$3.59Jan 5, 2026
Strahlman Ellen RDirectorBUY$100K–$500K31K$3.66Dec 30, 2025
Strahlman Ellen RDirectorBUY$100K–$500K38K$3.14Dec 22, 2025
Walters Happy DavidDirectorBUY$100K–$500K62K$3.02Dec 20, 2025
GELTZEILER MICHAEL SDirectorBUY$50K–$100K30K$3.01Dec 19, 2025
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Institutional Ownership

13F filings as of Dec 31, 2025 · 23 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

10.2%

863K shares

9.9%

842K shares

10.1%

857K shares

5.6%

321K shares

1.7%

96K shares

2.5%

142K shares

Hyunsu Jung

SC 13D · Jul 16, 2025

9.3%

500K shares

3.4%

174K shares

4.0%

174K shares

4.0%

174K shares

10.0%

2.4M shares

27.2%

2.4M shares

Stuart M. Grant

SC 13D/A · Dec 4, 2024

4.0%

3.9M shares

Armistice Capital, LLC

SC 13G/A · Nov 14, 2024

9.9%

8.6M shares

Tsontcho Ianchulev

SC 13D/A · Jul 18, 2024

3.2%

2.1M shares

Armistice Capital, LLC

SC 13G · Feb 14, 2024

9.7%

4.4M shares

Fred Eshelman

SC 13D/A · Feb 13, 2023

4.7%

1.7M shares

Tsontcho Ianchulev

SC 13D/A · Jan 24, 2023

6.3%

2.3M shares

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