Lappe Mark bought INBX

September 28, 2026 · Form 4 insider transaction

Lappe Mark bought 1,500 shares of Inhibrx Biosciences, Inc. at $98.88 per share, a transaction worth $148.3K. 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
1,500
Price
$98.88
Total value
$148.3K
InsiderLappe Mark
Role—
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateSeptember 28, 2026
Filing dateSeptember 28, 2026
Shares owned after737,548
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The shares were purchased in multiple transactions at prices ranging from $98.69 to $99.21 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