Mark Lappe

INBX

Mark Lappe serves as director, officer: Chief Executive Officer at Inhibrx Biosciences Inc. (INBX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

7 trades

$6.69M

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$6.69M

Companies Traded

INBX

Active Period

Aug 2024 – Oct 2026

7 total trades

Most Recent

Buy INBX

Oct 14, 2026 · $632.7K

Mark Lappe's Insider Trading at Inhibrx Biosciences Inc. (INBX)

Buys

7 · $6.69M

Sells

0 · $0.00

Total Shares Bought

206,470

Total Shares Sold

INBX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 14, 2026	Buy	7,470	$84.70	$632.7K	745,488
Sep 28, 2026	Buy	10,000	$99.88	$998.8K	740,548
Sep 8, 2026	Buy	25,000	$105.82	$2.65M	730,548
Sep 16, 2024	Buy	40,000	$15.73	$629.1K	705,548
Sep 10, 2024	Buy	44,000	$15.25	$671.1K	665,548
Sep 3, 2024	Buy	40,000	$14.92	$596.8K	165,000
Aug 22, 2024	Buy	40,000	$12.96	$518.3K	54,865

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