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ISSUER PROFILE · CIK 0002007919 · CUSIP 45720N103

Inhibrx Biosciences, Inc.INBX

2 13D/G filings 2 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
2
2 SCHEDULE
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
8.58
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2025-02-26 SCHEDULE Kayyem Jon Faiz 7.90% 1,149,046 view →
2025-02-26 SCHEDULE Lappe Mark 6.40% 925,413 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 2,119,421 8.58 +13.7%
2026-03-13 1,864,224 10.40 +7.9%
2026-02-27 1,727,284 11.23 -0.4%
2026-02-13 1,734,575 11.11 -0.2%
2026-01-30 1,737,927 7.15 +5.3%
2026-01-15 1,650,847 9.85 -3.6%
2025-12-31 1,712,725 6.17 +63.1%
2025-12-15 1,049,942 5.33 -20.5%

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