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

Reporting relationship: 10%+ Owner
Issuer ticker: MBX
Reported as of: 16 Sep 2024
Net transaction value: +$8,000,000
SEC form: 4
Accepted by SEC: 17 Sep 2024, 20:26:31 UTC
Prior SEC filing: 12 Sep 2024
Next SEC filing: 03 Oct 2024
Source filing: View source filing
Reporting owner signature: /s/ Zachary Bambach, attorney-in-fact

Key filing fact

Forest Baskett filed Form 4 for MBX Biosciences, Inc. (MBX) on 17 Sep 2024.

Key facts

This page summarizes Forest Baskett's Form 4 filing for MBX Biosciences, Inc. (MBX).
5 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 17 Sep 2024, 20:26.

Change

Previous filing in this sequence was filed on 12 Sep 2024.
Current net transaction value: +$8,000,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MBX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,023,103
Change %
Price
Shares after: 1,023,103
Date: 16 Sep 2024
Ownership: See Note 2
Footnotes: F1, F2

MBX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +2,091,383
Change %: +204%
Price
Shares after: 3,114,486
Date: 16 Sep 2024
Ownership: See Note 2
Footnotes: F1, F2

MBX transaction

Common Stock

Purchase

Transaction value: $8,000,000
Shares: +500,000
Change %: +16%
Price: $16.00
Shares after: 3,614,486
Date: 16 Sep 2024
Ownership: See Note 2
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MBX transaction Derivative

Series A Convertible Preferred Stock

Conversion of derivative security

Transaction value
Shares: -12,299,854
Change %: -100%
Price
Shares after: 0
Date: 16 Sep 2024
Ownership: See Note 2
Underlying class: Common Stock
Underlying amount: 1,023,103
Exercise price
Footnotes: F1, F2

MBX transaction Derivative

Series B Convertible Preferred Stock

Conversion of derivative security

Transaction value
Shares: -25,142,840
Change %: -100%
Price
Shares after: 0
Date: 16 Sep 2024
Ownership: See Note 2
Underlying class: Common Stock
Underlying amount: 2,091,383
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (collectively, 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.

Footnote F2

The Reporting Person is a manager of NEA 17 GP, LLC, which is the sole general partner of NEA Partners 17, L.P. ("NEA Partners 17"). NEA Partners 17 is the sole general partner of New Enterprise Associates 17, L.P. ("NEA 17"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by NEA 17 in which the Reporting Person has no pecuniary interest.