Altimmune, Inc.

ALT

Altimmune, Inc.

ALT

Insider Sentiment (TTM):

Last Purchase:2026-04-06Last Sale:2024-08-19Shares Purchased (TTM):90,227Shares Sold (TTM):0

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:68,737,650Shares Outstanding:124,461,818Institutional Ownership Pct.:55.23%

Earnings Market Reaction:

Filing Date:2026-08-12Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	63	98	44	61	183	49	37	31	57	79	135	87
Restricted Cash Current	0	0	0	0	0	0	0	0	0	0	0	0
Short Term Investments	263	234	230	150	-	101	95	108	108	103	63	54
Accounts Receivable Gross Current	-	-	-	-	-	-	-	-	-	-	-	1
Accounts And Other Receivables Net Current	3	2	1	1	0	1	1	0	0	0	1	-
Prepaid Expense And Other Assets Current	5	1	3	4	4	3	2	3	3	3	7	8
Assets Current	335	335	278	217	188	155	137	146	171	188	210	153
Property Plant And Equipment Net	0	0	0	0	0	0	0	0	0	1	1	1
Indefinite Lived Intangible Assets Excluding Goodw…	-	-	-	-	-	-	-	-	-	-	-	12
Other Assets Noncurrent	0	1	1	1	2	2	2	2	2	0	0	0
Assets	527	336	280	218	190	157	139	148	173	188	211	167
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	1	2	3	5	1	1	0	1	3	4	2	3
Liabilities Current	13	11	15	13	9	10	10	9	15	11	12	12
Other Long Term Debt Noncurrent	-	-	-	-	-	-	-	-	-	-	-	4
Liabilities Noncurrent	-	-	-	-	-	5	5	6	6	4	4	-
Long Term Debt Noncurrent	35	35	34	14	14	-	-	-	-	-	-	-
Other Liabilities Noncurrent	6	6	6	6	5	-	5	-	-	-	-	-
Liabilities	53	52	55	33	29	15	16	14	21	15	17	16
Stockholders Equity
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital	1,175	961	879	813	770	728	690	676	673	669	665	590
Retained Earnings Accumulated Deficit	-695	-672	-649	-622	-603	-581	-561	-538	-515	-491	-466	-435
Accumulated Other Comprehensive Income Loss Net Of…	-6	-5	-5	-5	-5	-5	-5	-5	-5	-5	-5	-5
Stockholders Equity	474	284	225	186	161	142	124	133	153	173	194	150
Liabilities And Stockholders Equity	527	336	280	218	190	157	139	148	173	188	211	167
Common Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Shares Authorized	400	200	200	200	200	200	200	200	200	200	200	200
Common Stock Shares Issued	194	130	111	96	85	78	72	71	71	71	71	53
Shares Outstanding	194	130	111	96	85	78	72	71	71	71	71	53

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10‑Q10‑K

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Interactive Financial Visualizations

10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-10.26%	4.64%	-5.96%	-	-	-	-	-	-	-	-	-
2025	-2.43%	-17.36%	-37.33%	4.42%	8.01%	11.88%	33.50%	-2.03%	39.59%	-14.69%	-19.49%	-18.08%
2024	-2.72%	-13.86%	-12.56%	5.85%	2.21%	5.69%	-4.00%	-23.50%	-30.03%	-9.50%	-29.13%	-13.08%
2023	-	-	-	-	-	-	32.22%	316.67%	245.56%	-22.27%	-9.90%	-31.27%
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Performance and Valuation Metrics

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Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	26.78	29.56	18.55	17.18	20.44	15.85	13.11	16.87	11.30	16.55	17.26	12.89
Quick Ratio	26.37	29.43	18.35	16.83	19.96	15.55	12.90	16.53	11.08	16.29	16.69	12.24
Working Capital	322.31M	323.35M	263.20M	204.01M	179.20M	145.46M	126.79M	137.12M	156.03M	176.18M	197.48M	141.09M
Leverage & Debt
Debt to Equity	0.11	0.18	0.24	0.18	0.18	0.11	0.13	0.11	0.14	0.09	0.09	0.11
Interest Coverage TTM	-28.34	-35.86	-57.76	-118.87	-346.95	-10,910.33	-11,463.56	-11,192.90	-3,324.30	-2,969.53	-2,740.83	-395.37
Debt Ratio	0.10	0.15	0.20	0.15	0.15	0.10	0.11	0.10	0.12	0.08	0.08	0.10
Efficiency & Turnover
Asset Turnover TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Per Share Metrics
Diluted EPS TTM	-0.49	-0.73	-1.00	-0.94	-1.08	-1.19	-1.34	-1.46	-1.43	-1.31	-1.66	-1.46
Free Cash Flow Per Share TTM	-0.41	-0.58	-0.77	-0.74	-1.00	-1.06	-1.12	-1.10	-1.01	-1.03	-1.43	-1.43
Dividend Per Share TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Margin Metrics
Gross Profit Margin TTM	-	-	-	-	-	-	-	-	-	108.29%	108.22%	46.24%
Operating Profit Margin TTM	-323,306.45%	-269,216.67%	-230,460.98%	-452,310.00%	-471,850.00%	-490,965.00%	-515,860.00%	-215,248.08%	-26,822.00%	-24,625.37%	-22,518.54%	-30,609.32%
Net Profit Margin TTM	-296,000.00%	-253,002.78%	-214,860.98%	-419,575.00%	-438,730.00%	-451,200.00%	-475,295.00%	-199,076.92%	-24,778.97%	-22,626.10%	-20,762.21%	-28,124.01%
Growth Metrics
Net Revenue Growth (1Y)	55.00%	80.00%	105.00%	-61.54%	-95.11%	-95.12%	-95.31%	-81.36%	-604.94%	-618.99%	-726.47%	-91.59%
Net Income Growth (1Y)	4.57%	0.93%	-7.33%	-18.94%	-13.42%	-2.72%	7.48%	31.93%	24.64%	8.68%	4.41%	-9.75%
EPS Growth (1Y)	-54.05%	-38.73%	-25.32%	-35.56%	-24.63%	-8.84%	-19.40%	-0.46%	-10.92%	-23.06%	-7.99%	-17.06%
Valuation Metrics
P/E TTM	-6.14	-4.21	-3.61	-4.02	-3.59	-4.19	-5.39	-4.22	-4.65	-7.77	-6.77	-1.78
P/B TTM	1.19	1.35	1.41	1.82	1.95	2.66	4.14	3.27	3.09	4.17	3.09	0.93
P/S TTM	18,185.45	10,648.40	7,757.46	16,855.30	15,765.91	18,886.94	25,596.73	8,393.47	1,153.17	1,757.95	1,406.17	499.81
Market Cap	563.75M	383.34M	318.06M	337.11M	315.32M	377.74M	511.93M	436.46M	471.65M	720.76M	599.03M	139.45M
Enterprise Value	535.44M	320.20M	308.54M	290.27M	146.50M	328.63M	474.97M	404.99M	414.52M	641.74M	463.87M	52.55M
Calculated Values
Free Cash Flow TTM	-76.56M	-71.67M	-67.55M	-66.36M	-81.58M	-80.33M	-79.85M	-78.12M	-71.53M	-72.85M	-75.96M	-76.77M
Net Debt	-28.31M	-63.14M	-9.52M	-46.83M	-168.82M	-49.10M	-36.97M	-31.47M	-57.13M	-79.02M	-135.16M	-86.90M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
NCAV
NCAV Per Share TTM
Valuation Ratios
P/CF TTM
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-04-06Purchase

Owner: Gill, John

Title: -

Shares: 9,200

Price/Share: $3.41

Value: $31,372.00

Shares Owned: 21,700

Relationship: Director

Ownership: Direct

2026-04-01Purchase

Owner: Weaver, Gregory L

Title: Chief Financial Officer

Shares: 10,000

Price/Share: $3.15

Value: $31,500.00

Shares Owned: 38,078

Relationship: Officer

Ownership: Direct

2026-04-01Purchase

Owner: Durso, Jerome Benedict

Title: President and CEO

Shares: 15,000

Price/Share: $3.14

Value: $47,100.00

Shares Owned: 47,500

Relationship: Director,Officer

Ownership: Direct

2026-03-06Purchase

Owner: Weaver, Gregory L

Title: Chief Financial Officer

Shares: 5,000

Price/Share: $3.54

Value: $17,700.00

Shares Owned: 28,078

Relationship: Officer

Ownership: Direct

2026-03-06Purchase

Owner: Durso, Jerome Benedict

Title: President and CEO

Shares: 20,000

Price/Share: $3.54

Value: $70,800.00

Shares Owned: 32,500

Relationship: Director,Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-04-06	Gill, John	Director	-	Direct	Purchase	9,200	3.41	$31,372.00	21,700	4
2026-04-01	Weaver, Gregory L	Officer	Chief Financial Officer	Direct	Purchase	10,000	3.15	$31,500.00	38,078	4
2026-04-01	Durso, Jerome Benedict	Director,Officer	President and CEO	Direct	Purchase	15,000	3.14	$47,100.00	47,500	4
2026-03-06	Weaver, Gregory L	Officer	Chief Financial Officer	Direct	Purchase	5,000	3.54	$17,700.00	28,078	4
2026-03-06	Durso, Jerome Benedict	Director,Officer	President and CEO	Direct	Purchase	20,000	3.54	$70,800.00	32,500	4
2026-01-08	Pisano, Wayne	Director	-	Direct	Purchase	5,000	4.08	$20,400.00	13,498	4
2026-01-05	Sohn, Catherine A.	Director	-	Direct	Purchase	500	4.24	$2,120.00	1,500	4
2025-12-29	Jorkasky, Diane	Director	-	Direct	Purchase	527	3.80	$2,002.60	527	4
2025-12-23	Gill, John	Director	-	Direct	Purchase	12,500	4.10	$51,250.00	12,500	4
2025-12-22	Durso, Jerome Benedict	Director	-	Direct	Purchase	12,500	4.13	$51,625.00	12,500	4
2025-03-17	Sohn, Catherine A.	Director	-	Direct	Purchase	1,000	5.78	$5,780.00	1,000	4
2025-03-13	Weaver, Gregory L	Officer	Chief Financial Officer	Direct	Purchase	10,000	5.20	$52,000.00	10,000	4
2024-08-19	Drutz, David	Director	-	Indirect	Sale	16,011	6.90	$110,475.90	41,958	4
2023-08-15	Drutz, David	Director	-	Indirect	Purchase	300	2.88	$864.00	29,785	4
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Institutional Ownership

No data available for chart

2026-03-31

55.23%

Inst. Shares: 68,737,650

Shares Outstanding: 124,461,818

2025-12-31

61.78%

Inst. Shares: 54,426,881

Shares Outstanding: 88,104,132

2025-09-30

45.62%

Inst. Shares: 40,795,592

Shares Outstanding: 89,418,028

2025-06-30

44.73%

Inst. Shares: 36,441,191

Shares Outstanding: 81,477,548

2025-03-31

49.67%

Inst. Shares: 37,521,967

Shares Outstanding: 75,547,746

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	68,737,650	124,461,818	55.23%
2025-12-31	54,426,881	88,104,132	61.78%
2025-09-30	40,795,592	89,418,028	45.62%
2025-06-30	36,441,191	81,477,548	44.73%
2025-03-31	37,521,967	75,547,746	49.67%
2024-12-31	39,600,756	71,003,399	55.77%
2024-09-30	38,423,112	71,084,787	54.05%
2024-06-30	41,147,804	70,924,371	58.02%
2024-03-31	43,723,132	70,801,713	61.75%
2023-12-31	32,696,621	53,246,937	61.41%
2023-09-30	29,179,777	53,633,354	54.41%
2023-06-30	34,092,497	50,691,558	67.25%
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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. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), Altimmune, Inc. reported a 55.00% year-over-year revenue growth, a Gross Profit Margin of 108.29% (TTM), a Debt-to-Equity ratio of 0.11x, a Price-to-Sales (P/S) ratio of 18185.45x (TTM), a Price-to-Book (P/B) ratio of 1.19x (TTM), at a market cap of $563.75M. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: 55.00%
Gross Profit Margin TTM: 108.29%
Debt To Equity: 0.11x
P/S TTM: 18185.45x
P/B TTM: 1.19x
Market Cap: $563.75M

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 is ALT's market cap?

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

What exchange does ALT trade on?

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

Where is Altimmune, Inc. incorporated?

Altimmune, Inc. is incorporated in DE.

Altimmune, Inc.

Financial Statements

Custom Table

Interactive Financial Visualizations

Earnings Market Reaction

Performance and Valuation Metrics

Insider Transactions

Institutional Ownership

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

Frequently Asked Questions

Companies in Pharmaceutical Preparations

Wall Street's data.
Main Street's price.

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

Frequently Asked Questions

Companies in Pharmaceutical Preparations

Wall Street's data.Main Street's price.

Wall Street's data.
Main Street's price.