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ISSUER PROFILE · CIK 0001682639 · CUSIP 30234E203

HYPERION DEFI, INC.HYPD

14 13D/G filings 4 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
14
2 SCHEDULE · 12 SC
Distinct filers
4
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.27
as of 2026-05-29

13D/G Filings Timeline · 14 total

FiledFormFilerStakeSharesIntent
2025-09-17 SCHEDULE Avenue Venture Opportunities Fund, L.P. 6.20% 354,291 view →
2025-06-20 SCHEDULE Avenue Venture Opportunities Fund, L.P. 9.99% 435,438 view →
2023-01-24 SC Ianchulev Tsontcho view →
2022-02-08 SC Grant Stuart M. view →
2021-12-27 SC Grant Stuart M. view →
2021-06-10 SC Grant Stuart M. view →
2020-11-25 SC Ianchulev Tsontcho view →
2020-11-13 SC Grant Stuart M. view →
2020-08-24 SC Grant Stuart M. view →
2020-08-14 SC ESHELMAN FREDRIC N view →
2020-08-14 SC Ianchulev Tsontcho view →
2019-08-20 SC ESHELMAN FREDRIC N view →
2019-07-18 SC Ianchulev Tsontcho view →
2019-01-11 SC Ianchulev Tsontcho view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 769,646 1.27 -18.1%
2026-05-15 940,085 1.50 -9.7%
2026-04-30 1,040,944 2.72 -7.3%
2026-04-15 1,123,186 3.74 -7.3%
2026-03-31 1,211,749 2.73 -40.9%
2026-03-13 2,051,296 6.93 +7.1%
2026-02-27 1,915,352 7.90 +1.5%
2026-02-13 1,887,759 3.66 -5.4%
2026-01-30 1,996,179 4.40 +10.2%
2026-01-15 1,811,076 7.46 -2.7%
2025-12-31 1,861,745 6.78 -3.8%
2025-12-15 1,935,712 6.42 +15.6%

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