Lappe Mark bought INBX

September 8, 2026 · Form 4 insider transaction

Lappe Mark bought 1,219 shares of Inhibrx Biosciences, Inc. at $111.88 per share, a transaction worth $136.4K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 0 days after the transaction.

Direction
Acquired (buy-side)
Shares
1,219
Price
$111.88
Total value
$136.4K
InsiderLappe Mark
Role
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateSeptember 8, 2026
Filing dateSeptember 8, 2026
Shares owned after720,867
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The shares were purchased in multiple transactions at prices ranging from $111.15 to $112.07 inclusive. The reported price reflects the weighted-average purchase price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.; These securities are directly owned by the Lappe Family Trust. Mark P. Lappe is a trustee of the Lappe Family Trust and, in such capacity, may be deemed to indirectly beneficially own the securities owned by the Lappe Family Trust.

View the original Form 4 on SEC EDGAR