Fairmount Funds Management LLC bought ZBIO

October 7, 2025 · Form 4 insider transaction

Fairmount Funds Management LLC bought 316,219 shares of Zenas BioPharma, Inc. at $19.00 per share, a transaction worth $6.01M. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
316,219
Price
$19.00
Total value
$6.01M
Role
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateOctober 7, 2025
Filing dateOctober 9, 2025
Shares owned after2,209,025
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Fairmount Funds Management LLC ("Fairmount") is the investment manager for Fairmount Healthcare Fund II L.P. The managers of Fairmount are Peter Harwin and Tomas Kiselak. Fairmount, Mr. Harwin, and Mr. Kiselak disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

View the original Form 4 on SEC EDGAR