Stelzer Laurie bought MBX
January 20, 2026 · Form 4 insider transaction
Stelzer Laurie bought 32,000 shares of MBX Biosciences, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
32,000
Price
$0.00
Total value
N/A
InsiderStelzer Laurie
RoleDirector
CompanyMBX Biosciences, Inc. (MBX)
SecurityStock option (right to buy)
Transaction codeA: Grant or award
Transaction dateJanuary 20, 2026
Filing dateJanuary 22, 2026
Shares owned after32,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
One-third of the shares underlying this option will vest and become exercisable on January 20, 2027, the anniversary of the date of grant, with the remainder vesting monthly over the subsequent two year period, subject to the Reporting Person's continued service on each such vesting date.