P. Kent Hawryluk - 03 Feb 2025 Form 4 Insider Report for MBX Biosciences, Inc. (MBX)

Signature
/s/ Richard Bartram, attorney-in-fact
Issuer symbol
MBX
Transactions as of
03 Feb 2025
Net transactions value
+$534,500
Form type
4
Filing time
05 Feb 2025, 16:17:07 UTC
Previous filing
17 Sep 2024
Next filing
21 Oct 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBX Common Stock Purchase $534,500 +50,000 +13% $10.69 448,277 04 Feb 2025 By Trust F1, F2
holding MBX Common Stock 481,397 03 Feb 2025 Direct

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 +243,000 $0.000000 243,000 03 Feb 2025 Common Stock 243,000 $10.49 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.60 to $10.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F2 Shares held by the P. Kent Hawryluk Revocable Trust dated January 25, 2011, of which the Reporting Person serves as trustee. The Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.
F3 25% of the shares underlying this option vest and become exercisable on February 3, 2026, with the remaining 75% vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service on such vesting date.