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Insider

Mark Lappe

Chief Executive Officer

Mark Lappe (Chief Executive Officer) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in Inhibrx Biosciences, Inc. (INBX). The largest single filing was $2.6M of INBX (24,500 sh across 5 lots, as filed), executed Sep 8. The median gap between execution and disclosure was 0 days.

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Return, ttmiAverage return per filing, trailing twelve months
purchases not yet priced
Delay-adjustediThe same average, entered at disclosure dates
purchases not yet priced
Filings, ttm
1
1 buys · 0 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.6M
shares × price, as filed
Last traded
Sep 8
Filed Sep 8

Median ADV $33.6M across their filed names

100% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.

Open performance
Volume by month
$2.6M$1.3M$0Oct 2024Apr 2025Oct 2025Apr 2026Sep 2026 · buys $2.6M
Buys $2.6M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
INBX Inhibrx Biosciences, Inc. INBX · 1 buy · 0 sells 1 filing
Recent filings
INBXPURCHASE Inhibrx Biosciences, Inc. View filing → $2.6M
24,500 sh across 5 lots
Exec Sep 8
Filed Sep 8 · 4:04 PM ET
INBXPURCHASE Inhibrx Biosciences, Inc. View filing → $629K
40,000 sh across 2 lots
Exec Sep 12 2024
Filed Sep 16 2024 · 5:30 PM ET
INBXPURCHASE Inhibrx Biosciences, Inc. View filing → $671K
44,000 sh across 3 lots
Exec Sep 6 2024
Filed Sep 10 2024 · 5:30 PM ET