MBX

MBX Biosciences, Inc.
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Company Information

Company Name
MBX Biosciences, Inc.
CIK
CIK0001776111
Category
<br>Emerging growth company
Ticker: Exchange
MBX: Nasdaq
Fiscal Year End
December 31
Owner Organization
03 Life Sciences
SIC
2834
SIC Description
Pharmaceutical Preparations
Ticker
MBX

SEC filing data through

Insider Sentiment

Last purchase
2026-03-13
Last sale
2026-08-04
Shares purchased (TTM)
725,166
Shares sold (TTM)
71,211
Buy ratio (TTM)91.1%

Institutional Sentiment

As of
2026-06-30
Institutional shares owned
54,842,955
Shares outstanding
47,696,363
Ownership
114.98%
+9.06% Y/Y

Earnings Market Reaction

Filing date
2026-08-06
Price on filing date
—
1-month reaction
-6.12%
3-month reaction
…
Drift continued4/7 (57%)
Faded / reversed3/7 (43%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Assets
Series A Convertible Preferred Stock------04
Assets Current
Series B Convertible Preferred Stock------011
Cash And Cash Equivalents At Carrying Value544575223403049133
Marketable Securities Current364395298169185211213144
Prepaid Expense And Other Assets Current99864354
Assets Current428449382398229244267281
Property Plant And Equipment Net53322211
Operating Lease Right Of Use Asset30011000
Other Assets Noncurrent11000000
Assets436453385400232246269282
Liabilities Current
Accounts Payable Current47346455
Accrued Liabilities Current1971286666
Operating Lease Liability Current10000000
Liabilities Current2415151212101111
Operating Lease Liability Noncurrent30001-00
Liabilities2615161312111111
Stockholders Equity
Preferred Stock Value0000000-
Redeemable Noncontrolling Interest Equity Preferred Carrying Amount------00
Common Stock Value00000000
Additional Paid In Capital Common Stock696686593590400397395393
Retained Earnings Accumulated Deficit-285-248-224-202-181-161-138-122
Accumulated Other Comprehensive Income Loss Net Of Tax-1-1000000
Stockholders Equity410438369388219235257271
Liabilities And Stockholders Equity436453385400232246269282
Preferred Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.00
Temporary Equity Shares Authorized-------0
Temporary Equity Shares Issued-------0
Preferred Stock Shares Authorized1010101010101010
Preferred Stock Shares Issued00000000
Preferred Stock Shares Outstanding00000000
Common Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.00
Common Stock Shares Authorized500500500500500500500500
Common Stock Shares Issued4848454534333333
Shares Outstanding4848454534333333
Temporary Equity Shares Outstanding-00000-0

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Recent filings

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MBX Biosciences, Inc. (MBX) — SEC Financial Statements & Analysis

MBX Biosciences, Inc. (MBX) is a pharmaceutical preparations company, incorporated in DE. MBX Biosciences, Inc. trades on Nasdaq as: MBX. MBX Biosciences, Inc. (MBX)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06. Based on that filing, MBX Biosciences, Inc. carries a market cap of $2.63B, a P/E ratio of -25.24x, a P/B ratio of 6.43x, an enterprise value of $2.58B, and an EV/EBITDA multiple of -21.91x. On profitability, it posts a Return on Equity (ROE) of -33.17%, a Return on Assets (ROA) of -31.25%, and a Return on Invested Capital (ROIC) of -44.09%. Per share, it reports EPS of $-2.19, diluted EPS of $-2.19, free cash flow per share of $-1.79, and a dividend per share of $0.00. Over the trailing year, it posted net income growth of -0.88% year-over-year and EPS growth of -30.49% year-over-year. On the balance sheet, it maintains a current ratio of 18.08x, a quick ratio of 17.69x, working capital of $404.20M, a debt-to-equity ratio of 0.06x, a debt ratio of 0.06, free cash flow of $-85.20M (TTM), and net debt of $-54.12M. Figures sourced from SEC EDGAR.

Market Cap
$2.63B
P/E TTM
-25.24x
EPS TTM
$-2.19
P/B TTM
6.43x
ROE TTM
-33.17%
ROA TTM
-31.25%
Debt To Equity
0.06x
Free Cash Flow TTM
$-85.20M

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is MBX Biosciences, Inc. in?

MBX Biosciences, Inc. (MBX) operates in the Pharmaceutical Preparations industry.

What exchange does MBX trade on?

MBX Biosciences, Inc. (MBX) trades on the Nasdaq.

Where is MBX Biosciences, Inc. incorporated?

MBX Biosciences, Inc. is incorporated in DE.

When was MBX Biosciences, Inc. (MBX)'s most recent SEC filing?

MBX Biosciences, Inc. (MBX)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-06.

What is MBX's market cap?

MBX Biosciences, Inc. (MBX) has a market capitalization of $2.63B as of 2026-06-30.

What is MBX's EPS (earnings per share)?

MBX Biosciences, Inc. (MBX)'s trailing twelve month EPS is $-2.19 as of 2026-06-30.

What is MBX's ROE (return on equity)?

MBX Biosciences, Inc. (MBX)'s trailing twelve month Return on Equity (ROE) is -33.17% as of 2026-06-30.

What is MBX's ROA (return on assets)?

MBX Biosciences, Inc. (MBX)'s trailing twelve month Return on Assets (ROA) is -31.25% as of 2026-06-30.

What is MBX's ROIC (return on invested capital)?

MBX Biosciences, Inc. (MBX)'s trailing twelve month Return on Invested Capital (ROIC) is -44.09% as of 2026-06-30.

What is MBX's EV/EBITDA?

MBX Biosciences, Inc. (MBX)'s trailing twelve month EV/EBITDA is -21.91x as of 2026-06-30.

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