Skip to main content

MBX Biosciences, Inc.

For the period ended Jun 30, 2025. Filed Aug 7, 2025.

View on SEC.gov

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.

Jun 30, 2025 · Filed Aug 7, 2025

MBX$56.33+4.2%Stored close · as of Nov 10, 2026

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

See the whole filing, with its images and exhibits

Condensed Statements of Cash Flows

(Unaudited - in thousands)

Six months endedJune 30,
20252024
Cash flows from operating activities:
Net loss$(43,291)$(28,194)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense3,7762,542
Non cash operating lease expense6952
Accretion and amortization of marketable securities, net(2,322)(944)
Depreciation expense138111
Changes in operating assets and liabilities:
Prepaid expenses and other current assets853(750)
Accounts payable4471,053
Accrued expenses3052,225
Operating lease right-of-use asset(566)—
Operating lease liability479(75)
Net cash used in operating activities(40,112)(23,980)
Cash flows from investing activities:
Purchases of property and equipment(737)(725)
Purchases of marketable securities(106,323)(24,237)
Maturities of marketable securities130,27232,500
Call redemptions of marketable securities6,000—
Net cash provided by investing activities29,2127,538
Cash flows from financing activities:
Proceeds from exercise of common stock options1,330239
Payments related to offering costs—(1,817)
Net cash provided by (used in) financing activities1,330(1,578)
Net decrease in cash and cash equivalents(9,570)(18,020)
Cash and cash equivalents, beginning of period49,35130,523
Cash and cash equivalents, end of period$39,781$12,503
Supplemental disclosure of non-cash investing and financing activities:
Vesting of early exercised stock options$27$174
Property and equipment in accounts payable and accrued liabilities770
Tenant allowance leasehold improvement included in operating lease right-of-use asset65—
Deferred initial public offering costs included in accounts payable and accrued expenses—934
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.