Edward T. Mathers - 12 Sep 2024 Form 4 Insider Report for MBX Biosciences, Inc. (MBX)

Signature
/s/ Zachary Bambach, attorney-in-fact
Issuer symbol
MBX
Transactions as of
12 Sep 2024
Transactions value $
$0
Form type
4
Date filed
13 Sep 2024, 17:11
Previous filing
12 Jul 2024
Next filing
17 Sep 2024

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
transaction MBX Stock Option (Right to Buy) Award $0 +16K $0.00 16K 12 Sep 2024 Common Stock 16K $16.00 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 September 12, 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.