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INBX
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Inhibrx Biosciences, Inc.

INBX · Healthcare · Inhibrx Biosciences, Inc., a clinical-stage biopharmaceutical company, engages in the development of biologic therapeutics for people with…

Inhibrx Biosciences, Inc. (INBX), in the Healthcare sector, has 5 disclosed filings on Paydirt over the trailing twelve months from 4 corporate insiders: 4 purchases and 1 sale. Filers took a median of 0 days from execution to disclosure, and the most recent trade was executed Sep 16 and filed Sep 17. The most active filer was Jon Faiz Kayyem with 3 filings.

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Filings, ttm
5
4 buys · 1 sell
Traders, ttm
4
4 insiders
Volume, ttmiDollar value disclosed in the window
$15.2M
estimated for Congress, as filed for insiders
Median delay
0d
execution to disclosure
Last traded
Sep 16
Filed Sep 17
ADViAverage daily dollar volume
$33.6M
market data
Share price · 12M
$112 (+313.1%)
$142$84.48$27.12Sep 22 2025Mar 23Sep 21

Adjusted for splits and dividends.

Volume by month
$11.3M$5.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · buys $100KNov 2024 · buys $1.5MOct 2025 · sells $11.3MSep 2026 · buys $3.9M
Buys $5.6M Sells $11.3M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
JK Jon Faiz Kayyem Director 3 filings DF Douglas Forsyth Director 1 filing ML Mark Lappe Chief Executive Officer 1 filing VL Viking Global Opportunities Parent GP LLC 10% owner 1 filing KV Kristiina MD Vuori Director 1 filing
Recent filings
Jon Faiz KayyemPURCHASE Director $500K
5,000 sh × $100.00
Exec Sep 16
Filed Sep 17 · 5:46 PM ET
Jon Faiz KayyemPURCHASE Director $568K
5,000 sh × $113.52
Exec Sep 8
Filed Sep 8 · 5:23 PM ET
Douglas ForsythPURCHASE Director $287K
2,500 sh × $114.65
Exec Sep 8
Filed Sep 8 · 4:26 PM ET
Mark LappePURCHASE Chief Executive Officer $2.6M
24,500 sh across 5 lots
Exec Sep 8
Filed Sep 8 · 4:04 PM ET
Viking Global Opportunities Parent GP LLCSALE 10% owner $11.3M
350,000 sh across 3 lots
Exec Oct 7 2025
Filed Oct 9 2025 · 5:30 PM ET
Jon Faiz KayyemPURCHASE Director $1.5M
107,186 sh across 4 lots
Exec Nov 19 2024
Filed Nov 22 2024 · 5:30 PM ET †
Kristiina MD VuoriPURCHASE Director $100K
6,667 sh × $15.00
Exec Oct 3 2024
Filed Oct 7 2024 · 5:30 PM ET
Mark LappePURCHASE Chief Executive Officer $629K
40,000 sh across 2 lots
Exec Sep 12 2024
Filed Sep 16 2024 · 5:30 PM ET
Mark LappePURCHASE Chief Executive Officer $671K
44,000 sh across 3 lots
Exec Sep 6 2024
Filed Sep 10 2024 · 5:30 PM ET