Tiba Aynechi - Sep 16, 2024 Form 4 Insider Report for MBX Biosciences, Inc. (MBX)

Role
Director
Signature
/s/ Richard Bartram, attorney-in-fact
Stock symbol
MBX
Transactions as of
Sep 16, 2024
Transactions value $
$12,000,000
Form type
4
Date filed
9/17/2024, 08:05 PM
Previous filing
Sep 12, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBX Common Stock Conversion of derivative security +1.39M 1.39M Sep 16, 2024 By Norwest Venture Partners XVI, LP F1, F2
transaction MBX Common Stock Purchase $12M +750K +54.1% $16.00 2.14M Sep 16, 2024 By Norwest Venture Partners XVI, LP F2, F3

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 Series B Convertible Preferred Stock Conversion of derivative security -16.7M -100% 0 Sep 16, 2024 Common Stock 1.39M By Norwest Venture Partners XVI, LP F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each share of Series B Convertible Preferred Stock (the "Preferred Stock") was convertible into Common Stock on a one-for-12.0221 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 immediately prior to the closing of the Issuer's initial public offering on September 16, 2024. The Preferred Stock had no expiration date.
F2 The securities are directly held by Norwest Venture Partners XVI, LP ("NVP XVI"). Genesis VC Partners XVI, LLC ("Genesis XVI") is the general partner of NVP XVI and NVP Associates, LLC ("NVP Associates") is the managing member of Genesis XVI. The Reporting Person, as an officer of NVP Associates and director of the Issuer, may be deemed to share voting and dispositive power over the shares held by NVP XVI and disclaims beneficial ownership of such securities except to the extent of her pecuniary interest therein.
F3 Reflects shares purchased in the Issuer's initial public offering.