ALT

Altimmune, Inc.
$3.27previous close on: 9/11/2026

Company Information

Company Name
Altimmune, Inc.
CIK
CIK0001326190
Category
Non-accelerated filer<br>Smaller reporting company
Ticker: Exchange
ALT: Nasdaq
Fiscal Year End
December 31
Owner Organization
03 Life Sciences
SIC
2834
SIC Description
Pharmaceutical Preparations
Ticker
ALT

SEC filing data through

Insider Sentiment

Last purchase
2026-04-06
Last sale
2024-08-19
Shares purchased (TTM)
90,227
Shares sold (TTM)
0
Buy ratio (TTM)100.0%

Institutional Sentiment

As of
2026-03-31
Institutional shares owned
68,737,650
Shares outstanding
124,461,818
Ownership
55.23%
+5.56% Y/Y

Earnings Market Reaction

Filing date
2026-08-12
Price on filing date
1-month reaction
16.72%
3-month reaction
Pending
Drift continued9/11 (82%)
Faded / reversed2/11 (18%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-302024-06-302024-03-312023-12-312023-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Assets Current
Cash And Cash Equivalents At Carrying Value63984461183493731577913587
Restricted Cash Current000000000000
Short Term Investments263234230150-101951081081036354
Accounts Receivable Gross Current-----------1
Accounts And Other Receivables Net Current32110110001-
Prepaid Expense And Other Assets Current513443233378
Assets Current335335278217188155137146171188210153
Available For Sale Securities Debt Securities Noncurrent192-----------
Property Plant And Equipment Net000000000111
Indefinite Lived Intangible Assets Excluding Goodwill-----------12
Other Assets Noncurrent011122222000
Assets527336280218190157139148173188211167
Liabilities Current
Accounts Payable Current123511013423
Liabilities Current1311151391010915111212
Other Long Term Debt Noncurrent-----------4
Liabilities Noncurrent-----556644-
Long Term Debt Noncurrent3535341414-------
Other Liabilities Noncurrent66665-5-----
Liabilities535255332915161421151716
Stockholders Equity
Common Stock Value000000000000
Additional Paid In Capital1,175961879813770728690676673669665590
Retained Earnings Accumulated Deficit-695-672-649-622-603-581-561-538-515-491-466-435
Accumulated Other Comprehensive Income Loss Net Of Tax-6-5-5-5-5-5-5-5-5-5-5-5
Stockholders Equity474284225186161142124133153173194150
Liabilities And Stockholders Equity527336280218190157139148173188211167
Common Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.000.000.000.000.00
Common Stock Shares Authorized400200200200200200200200200200200200
Common Stock Shares Issued194130111968578727171717153
Shares Outstanding194130111968578727171717153

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Altimmune, Inc. (ALT) — SEC Financial Statements & Analysis

Altimmune, Inc. (ALT) is a pharmaceutical preparations company, incorporated in DE. Altimmune, Inc. trades on Nasdaq as: ALT. Altimmune, Inc. (ALT)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-12. Based on that filing, Altimmune, Inc. carries a market cap of $563.75M, a P/E ratio of -6.14x, a P/B ratio of 1.19x, a P/S ratio of 18185.45x, an enterprise value of $535.44M, and an EV/EBITDA multiple of -5.35x. On profitability, it posts a gross margin of 108.29%, an operating margin of -323306.45%, a net margin of -296000.00%, a Return on Equity (ROE) of -28.87%, a Return on Assets (ROA) of -25.58%, and a Return on Invested Capital (ROIC) of -45.38%. Per share, it reports EPS of $-0.49, diluted EPS of $-0.49, free cash flow per share of $-0.41, and a dividend per share of $0.00. Over the trailing year, it posted revenue growth of 55.00% year-over-year, net income growth of 4.57% year-over-year, and EPS growth of -54.05% year-over-year. On the balance sheet, it maintains a current ratio of 26.78x, a quick ratio of 26.37x, working capital of $322.31M, a debt-to-equity ratio of 0.11x, a debt ratio of 0.1, an interest coverage ratio of -28.34x, free cash flow of $-76.56M (TTM), and net debt of $-28.31M. Figures sourced from SEC EDGAR.

Market Cap
$563.75M
P/E TTM
-6.14x
EPS TTM
$-0.49
P/B TTM
1.19x
ROE TTM
-28.87%
ROA TTM
-25.58%
Debt To Equity
0.11x
Free Cash Flow TTM
$-76.56M
Net Revenue TTM Growth 1Y
55.00%

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

Frequently Asked Questions

What industry is Altimmune, Inc. in?

Altimmune, Inc. (ALT) operates in the Pharmaceutical Preparations industry.

What exchange does ALT trade on?

Altimmune, Inc. (ALT) trades on the Nasdaq.

Where is Altimmune, Inc. incorporated?

Altimmune, Inc. is incorporated in DE.

When was Altimmune, Inc. (ALT)'s most recent SEC filing?

Altimmune, Inc. (ALT)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-12.

What is ALT's market cap?

Altimmune, Inc. (ALT) has a market capitalization of $563.75M as of 2026-06-30.

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

Altimmune, Inc. (ALT)'s trailing twelve month EPS is $-0.49 as of 2026-06-30.

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

Altimmune, Inc. (ALT)'s trailing twelve month Return on Equity (ROE) is -28.87% as of 2026-06-30.

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

Altimmune, Inc. (ALT)'s trailing twelve month Return on Assets (ROA) is -25.58% as of 2026-06-30.

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

Altimmune, Inc. (ALT)'s trailing twelve month Return on Invested Capital (ROIC) is -45.38% as of 2026-06-30.

What is ALT's EV/EBITDA?

Altimmune, Inc. (ALT)'s trailing twelve month EV/EBITDA is -5.35x as of 2026-06-30.

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