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Lappe Mark insider trades
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Lappe Mark insider trades

Lappe Mark has filed 13 Form 4s with the SEC that we hold, for Inhibrx Biosciences, Inc. (INBX) (Chief Executive Officer, Director) and INBX (Chief Executive Officer, Director). Across all of them we count 21 purchases worth $6.1M and 14 sales worth $2.2M reported on Form 4. In the last 12 months: 10 purchases ($3.6M) and 0 sales ($0). The largest single trade was a purchase of 9,681 shares of Inhibrx Biosciences, Inc. worth $1.1M, dated 2026-09-08. The first filing on our record is dated 2022-10-18 and the latest 2026-09-28.

Inhibrx Biosciences, Inc. (INBX)

Chief Executive Officer, Director · 7 filings · 21 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-08-20P, purchase reported on Form 427,055$350.9K2024-08-22
2024-08-21P, purchase reported on Form 412,945$167.4K2024-08-22
2024-08-29P, purchase reported on Form 410,000$140.3K2024-09-03
2024-08-30P, purchase reported on Form 410,000$140.2K2024-09-03
2024-09-03P, purchase reported on Form 44,712$76.9K2024-09-03
2024-09-03P, purchase reported on Form 415,288$239.4K2024-09-03
2024-09-06P, purchase reported on Form 426,000$397.5K2024-09-10
2024-09-09P, purchase reported on Form 49,500$144.5K2024-09-10
2024-09-10P, purchase reported on Form 48,500$129.1K2024-09-10
2024-09-12P, purchase reported on Form 426,963$405.8K2024-09-16
2024-09-16P, purchase reported on Form 413,037$223.3K2024-09-16
2026-09-08P, purchase reported on Form 45,895$585.3K2026-09-08
2026-09-08P, purchase reported on Form 46,605$664.7K2026-09-08
2026-09-08P, purchase reported on Form 41,100$117.8K2026-09-08
2026-09-08P, purchase reported on Form 4500$54.1K2026-09-08
2026-09-08P, purchase reported on Form 41,219$136.4K2026-09-08
2026-09-08P, purchase reported on Form 49,681$1.1M2026-09-08
2026-09-25P, purchase reported on Form 43,324$328.6K2026-09-28
2026-09-25P, purchase reported on Form 42,176$216.7K2026-09-28
2026-09-28P, purchase reported on Form 41,500$148.3K2026-09-28
2026-09-28P, purchase reported on Form 43,000$305.1K2026-09-28

INBX (INBX)

Chief Executive Officer, Director · 6 filings · 14 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-10-17S, sale reported on Form 414,006$419.1K2022-10-18
2022-10-17S, sale reported on Form 4121$3.8K2022-10-18
2022-10-17S, sale reported on Form 48,981$257.4K2022-10-18
2022-10-17S, sale reported on Form 42,892$89.1K2022-10-18
2022-11-17S, sale reported on Form 46,959$176.5K2022-11-18
2022-11-17S, sale reported on Form 46,773$204.2K2022-11-18
2022-11-17S, sale reported on Form 44,106$109.1K2022-11-18
2022-11-17S, sale reported on Form 41,150$37.2K2022-11-18
2022-11-17S, sale reported on Form 4912$28.0K2022-11-18
2022-11-17S, sale reported on Form 41,767$51.0K2022-11-18
2022-11-17S, sale reported on Form 44,333$118.9K2022-11-18
2022-12-19S, sale reported on Form 4754$19.8K2022-12-20
2022-12-19S, sale reported on Form 425,246$644.5K2022-12-20
2023-02-28S, sale reported on Form 460$1.5K2023-03-01
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1366074) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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