Salomon Azoulay - 12 Sep 2024 Form 3 Insider Report for MBX Biosciences, Inc. (MBX)

Signature
/s/ Richard Bartram, attorney-in-fact
Issuer symbol
MBX
Transactions as of
12 Sep 2024
Net transactions value
$0
Form type
3
Filing time
12 Sep 2024, 19:10:29 UTC
Next filing
05 Feb 2025

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding MBX Stock Option (right to buy) 12 Sep 2024 Common Stock 249,540 $10.46 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares underlying this option vest and become exercisable on August 2, 2025, with the remaining 75% vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney