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MBX Biosciences, Inc.

For the period ended Sep 30, 2025. Filed Nov 6, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 6, 2025

MBX$51.35+6.0%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Condensed Balance Sheets

(in thousands, except share and per share amounts)

September 30,December 31,
20252024
(Unaudited)
Assets
Current assets:
Cash and cash equivalents$223,125$49,351
Marketable securities168,548212,798
Prepaid expenses and other current assets5,8295,137
Total current assets397,502267,286
Property and equipment, net2,0041,080
Right-of-use assets520119
Other assets5050
Total assets$400,076$268,535
Liabilities and Stockholders’ Equity (Deficit)
Current liabilities:
Accounts payable$3,768$5,335
Accrued expenses8,1405,545
Operating lease liability, current154171
Total current liabilities12,06211,051
Share repurchase liability742
Operating lease liability, net of current469—
Total liabilities12,53811,093
Commitments and contingencies (Note 9)
Stockholders’ equity (deficit)
Undesignated preferred stock, $0.0001 par value, 10,000,000 shares authorized and zero issued and outstanding as of September 30, 2025 and December 31, 2024——
Common stock, $0.0001 par value, 500,000,000 shares authorized and 44,715,498 issued and outstanding as of September 30, 2025 and 500,000,000 shares authorized and 33,421,525 issued and outstanding as of December 31, 202465
Additional paid-in-capital589,792394,887
Accumulated deficit(202,414)(137,505)
Accumulated other comprehensive income15455
Total stockholders’ equity387,538257,442
Total liabilities and stockholders’ equity$400,076$268,535
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.