SEC Insider Transactions from Lappe Mark.

Last updated: 2026-03-14 10:18 UTC | Total transactions: 15

Lappe Mark has filed 15 insider transactions across 1 company since May 2024.

Most recent transaction: a purchase of 26963 shares of Inhibrx Biosciences, Inc. ($INBX) on September 12, 2024.

Activity breakdown: 11 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Sept. 12, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 26963 $15.05 912,376.0000 14,476,000 3.05% 0.19%
Sept. 16, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 13037 $17.13 925,413.0000 14,476,000 1.43% 0.09%
Sept. 6, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 26000 $15.29 867,413.0000 14,476,000 3.09% 0.18%
Sept. 9, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 9500 $15.21 876,913.0000 14,476,000 1.10% 0.07%
Sept. 10, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 8500 $15.19 885,413.0000 14,476,000 0.97% 0.06%
Aug. 29, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 10000 $14.03 811,413.0000 14,476,000 1.25% 0.07%
Aug. 30, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 10000 $14.02 821,413.0000 14,476,000 1.23% 0.07%
Sept. 3, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 15288 $15.66 836,701.0000 14,476,000 1.86% 0.11%
Sept. 3, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 4712 $16.31 841,413.0000 14,476,000 0.56% 0.03%
Aug. 20, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 27055 $12.97 788,468.0000 14,476,000 3.55% 0.19%
Aug. 21, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer P Common Stock 12945 $12.93 801,413.0000 14,476,000 1.64% 0.09%
May 29, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer A Common Stock 621548 $0.00 761,413.0000 49,234,000 444.39% 1.26%
May 29, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer A Common Stock 125000 $0.00 761,413.0000 49,234,000 19.64% 0.25%
May 29, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer A Common Stock 14865 $0.00 761,413.0000 49,234,000 1.99% 0.03%
May 30, 2024 Inhibrx Biosciences, Inc. $INBX Lappe Mark Chief Executive Officer A Stock Option (right to buy) 300000 $0.00 300,000.0000 14,475,904 9999.99% 2.07%