# Altimmune (ALT.US)

Canonical: https://gigainvestors.com/s/ALT

Analysis as of: 2026-10-16T07:26:25.432Z. Financial observations: FY2018–FY2025.

Listing currency: USD. Reporting currency: USD.

## Verdict

Not a wonderful business

Quality tests for Buy: not passed (profit record: fail; earnings resilience is evidence only). Published buy qualification: no.

Share price: $2.36 per share; close as of 2026-10-15.

## Checklist

### understandable: fail

- 4 revenue declines in the last 10 years (informational)

- more than 2 net loss years

- negative average operating margin

- operating margin variation exceeds 0.35

- Financial history: 8 years

- Years with declining revenue: 4

- Years with a net loss: 8

- Operating margin variation: 1.66×

Chart: Operating margin; fiscal year observations.

- FY2018: -4.15×

- FY2019: -3.70×

- FY2020: -6.69×

- FY2021: -21.98×

- FY2023: -225.19×

- FY2024: -5,158.60×

- FY2025: -2,304.61×

### moat: fail

- Years with nonpositive invested capital use equity plus debt and leases; positive earnings with no positive capital are shown above 100%.

- ROIC median below threshold

- ROIC worst years below threshold (more than 1 bad year allowed)

- ROIC, median of available years: -183.9%

- ROIC, second-lowest year: -715.5%

- Years with nonpositive capital: 3

- Capital spending / revenue: 9.8%

- ROIC including acquisitions, ten-year median: -398.0%

- Typical minus recent gross margin: -204.7 pp

Chart: ROIC excluding acquisitions; fiscal year observations.

- FY2018: -204.9%

- FY2019: -163.0%

- FY2020: -356.7%

- FY2021: -715.5%

- FY2022: -4509.7%

- FY2023: -38.9%

- FY2024: -65.1%

- FY2025: -28.6%

### economics: fail

- owner earnings cash conversion below threshold

- incremental invested capital return below threshold

- Cash conversion uses consolidated totals: No

- Owner earnings, five-year total: -$464M

- Net income, five-year total: -$453M

- Return on incremental invested capital: -799.8%

- Working capital / revenue, annual change: 5149.4 pp

Chart: Owner earnings · five years; fiscal year observations.

- FY2021: -$109M

- FY2022: -$84M

- FY2023: -$88M

- FY2024: -$95M

- FY2025: -$88M

### management: fail

- Historical market-dollar context (not the management verdict): 2018 to 2025 (7 years)

- buybacks unrelated to price (informational)

- ROIC first 3 years vs last 3 years: -204.9% vs -38.9%

- Per-share earnings: -1.91 to -1.34 (three-year endpoint medians)

- per-share value declined or ends nonpositive

- Management verdict uses per-share economic progress: Yes

- Ordinary dilution, 5-year annual growth: 28.0%

- Market cap gain: $382M

- Cumulative retained earnings: -$533M

- Diluted shares, 5-year annual growth: 28.0%

- $1 test, starting fiscal year: FY2018

- $1 test, ending fiscal year: FY2025

- Per-share value change: $0.57

- Per-share value, starting three-year median: -$1.91

- Per-share value, ending three-year median: -$1.34

- Buybacks concentrated in cheaper years (correlation): -1.00

- Average buyback yield: 6.4%

- Buyback history: 2 years

- Debt-funded buybacks: No

- ROIC, first three-year median: -204.9%

- ROIC, last three-year median: -38.9%

Chart: Earnings per share; fiscal year observations.

- FY2018: -$4.13

- FY2019: -$1.56

- FY2020: -$1.91

- FY2021: -$2.35

- FY2022: -$1.81

- FY2023: -$1.66

- FY2024: -$1.34

- FY2025: -$1.00

### accounting: pass

- Sloan accruals: -7.3%

- Receivables to sales index (DSRI): 0.27×

- Restructuring years, last five: 1

- Earnings backed by cash: Yes

- Accounting red flags: 0

- Goodwill and intangibles / equity: 0.00×

Chart: Sloan accruals; fiscal year observations.

- FY2018: -54.4%

- FY2019: -20.2%

- FY2020: -6.0%

- FY2021: -8.6%

- FY2022: -10.7%

- FY2023: -6.0%

- FY2024: -10.9%

- FY2025: -7.3%

## Holders

- [Andreas Halvorsen](https://gigainvestors.com/vg): tracked 13F investor; follow the investor page for holding quarter and amounts.

## Price story

Down 89% since Aug 2022 · "Altimmune plunges after mid-stage trial data for MASH therapy" (seekingalpha.com, Jun 2025) · sales +105%

Story as of 2026-10-16T09:58:17.150Z; price observation 2026-10-15.

- 2025-06-26: Altimmune plunges after mid-stage trial data for MASH therapy ([seekingalpha.com](https://seekingalpha.com/news/4462688-altimmune-stock-plunges-mash-drug-trial-data?utm_source=feed_news_all&utm_medium=referral&feed_item_type=news))

- 2025-08-19: Altimmune wins FDA fast track status for alcohol use disorder therapy ([seekingalpha.com](https://seekingalpha.com/news/4486938-altimmune-wins-fda-fast-track-status-for-alcohol-use-disorder-therapy?utm_source=feed_news_all&utm_medium=referral&feed_item_type=news))

### Sales · FY2024–2025

sales +105%; source https://www.sec.gov/Archives/edgar/data/1326190/000132619026000018/alt-20251231x10k.htm; observed 2026-03-06.

- FY2018: $10M 

- FY2019: $5.8M 

- FY2020: $8.2M 

- FY2021: $4.4M 

- FY2022: -$68K 

- FY2023: $426K 

- FY2024: $20K 

- FY2025: $41K 

## Owner memo

Memo as of 2026-10-16T08:06:05.509Z.

### How it makes money

Operates in biotechnology; annual sales are USD 41000.

- Source: https://www.sec.gov/Archives/edgar/data/1326190/000132619026000018/alt-20251231x10k.htm (filed 2026-03-06); FY2025: revenue 41000; grossProfit 41000; margin = grossProfit / revenue.

### Why customers stay

Margins ranged from 100% to 100% during 2023–25.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-03-06); FY2023: grossProfit / revenue = 100%.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-03-06); FY2024: grossProfit / revenue = 100%.

- Source: https://www.sec.gov/Archives/edgar/data/1326190/000132619026000018/alt-20251231x10k.htm (filed 2026-03-06); FY2025: grossProfit / revenue = 100%.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-03-06); 8-year return on capital observations [[2018,-2.048684300064416],[2019,-1.6298202596632696],[2020,-3.566628778672632],[2021,-7.155414964115943],[2022,-45.09733246584255],[2023,-0.38909436771576733],[2024,-0.6510626332984527],[2025,-0.2864621613324123]]; median -1.8392522798638429. ROIC follows the displayed moat series; financial companies use return on tangible equity.

### Where the cash goes

Paid dividends in 3 of 8 years.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-03-06); Dividend observations: [[2018,22898],[2019,3791485000],[2020,135471000],[2021,0],[2022,0],[2023,0],[2024,0],[2025,0]]. Zero only counted when supported by a complete cash-flow statement.

### Are managers owners

Insiders own 0.4% of the company.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-10-05); ALT.US SharesStats.PercentInsiders = 0.416 percentage points; cache date 2026-10-05.

### What the price says

The price is 5071.4 times annual sales; cash earnings are negative.

- Source: https://eodhd.com/financial-apis/stock-etfs-fundamental-data-feeds/ (filed 2026-03-06); Closing price 2.36 USD; reporting-to-trading FX 1; FY2025 annual sales per share 0.0004653584238251164; price multiple 5071.359793170731. FY2025 cash earnings/share -0.9987272787614547. Closing-price date 2026-10-15.

## Monthly share-price history (USD per share)

- 2016-10: $0.00 per share

- 2016-11: $0.00 per share

- 2016-12: $0.00 per share

- 2017-01: $0.00 per share

- 2017-02: $0.00 per share

- 2017-03: $0.00 per share

- 2017-04: $0.00 per share

- 2017-05: $4.25 per share

- 2017-06: $3.20 per share

- 2017-07: $2.52 per share

- 2017-08: $2.52 per share

- 2017-09: $2.32 per share

- 2017-10: $2.40 per share

- 2017-11: $1.81 per share

- 2017-12: $1.99 per share

- 2018-01: $1.81 per share

- 2018-02: $1.58 per share

- 2018-03: $1.16 per share

- 2018-04: $0.73 per share

- 2018-05: $0.61 per share

- 2018-06: $0.45 per share

- 2018-07: $0.33 per share

- 2018-08: $0.32 per share

- 2018-09: $4.40 per share

- 2018-10: $3.81 per share

- 2018-11: $3.59 per share

- 2018-12: $2.06 per share

- 2019-01: $3.19 per share

- 2019-02: $2.69 per share

- 2019-03: $2.90 per share

- 2019-04: $2.86 per share

- 2019-05: $2.43 per share

- 2019-06: $2.38 per share

- 2019-07: $2.40 per share

- 2019-08: $2.11 per share

- 2019-09: $1.95 per share

- 2019-10: $1.91 per share

- 2019-11: $1.82 per share

- 2019-12: $1.89 per share

- 2020-01: $1.72 per share

- 2020-02: $3.70 per share

- 2020-03: $3.21 per share

- 2020-04: $3.05 per share

- 2020-05: $9.28 per share

- 2020-06: $10.71 per share

- 2020-07: $26.58 per share

- 2020-08: $16.87 per share

- 2020-09: $13.20 per share

- 2020-10: $11.45 per share

- 2020-11: $12.23 per share

- 2020-12: $11.28 per share

- 2021-01: $14.28 per share

- 2021-02: $15.94 per share

- 2021-03: $14.13 per share

- 2021-04: $14.47 per share

- 2021-05: $12.65 per share

- 2021-06: $9.85 per share

- 2021-07: $9.07 per share

- 2021-08: $14.99 per share

- 2021-09: $11.31 per share

- 2021-10: $10.80 per share

- 2021-11: $10.49 per share

- 2021-12: $9.16 per share

- 2022-01: $8.07 per share

- 2022-02: $7.41 per share

- 2022-03: $6.09 per share

- 2022-04: $4.52 per share

- 2022-05: $5.06 per share

- 2022-06: $11.70 per share

- 2022-07: $12.01 per share

- 2022-08: $22.08 per share

- 2022-09: $12.77 per share

- 2022-10: $12.54 per share

- 2022-11: $9.95 per share

- 2022-12: $16.45 per share

- 2023-01: $13.64 per share

- 2023-02: $12.59 per share

- 2023-03: $4.22 per share

- 2023-04: $5.05 per share

- 2023-05: $4.04 per share

- 2023-06: $3.53 per share

- 2023-07: $3.31 per share

- 2023-08: $2.53 per share

- 2023-09: $2.60 per share

- 2023-10: $2.41 per share

- 2023-11: $3.16 per share

- 2023-12: $11.25 per share

- 2024-01: $9.44 per share

- 2024-02: $12.10 per share

- 2024-03: $10.18 per share

- 2024-04: $6.55 per share

- 2024-05: $7.51 per share

- 2024-06: $6.65 per share

- 2024-07: $6.36 per share

- 2024-08: $6.70 per share

- 2024-09: $6.14 per share

- 2024-10: $6.74 per share

- 2024-11: $8.57 per share

- 2024-12: $7.21 per share

- 2025-01: $6.64 per share

- 2025-02: $6.65 per share

- 2025-03: $5.00 per share

- 2025-04: $5.25 per share

- 2025-05: $5.43 per share

- 2025-06: $3.87 per share

- 2025-07: $3.69 per share

- 2025-08: $3.83 per share

- 2025-09: $3.77 per share

- 2025-10: $4.05 per share

- 2025-11: $5.26 per share

- 2025-12: $3.61 per share

- 2026-01: $5.60 per share

- 2026-02: $4.31 per share

- 2026-03: $3.08 per share

- 2026-04: $2.60 per share

- 2026-05: $3.05 per share

- 2026-06: $3.04 per share

- 2026-07: $2.84 per share

- 2026-08: $3.11 per share

- 2026-09: $2.86 per share

- 2026-10: $2.36 per share

## Annual estimated value (USD per share)

Historical values use today's bond yield for every fiscal year

Historical values use today's FX rate into trading currency for every fiscal year

Historical values use current restated fundamentals and current commodity classification; they are not point-in-time estimates

Prior published observations retained from 2026-10-15T06:32:01.323Z where newer inputs omit a numeric field or fiscal period.

## Sources

[Original 10-K filing](https://www.sec.gov/Archives/edgar/data/1326190/000132619026000018/alt-20251231x10k.htm); period 2025-12-31, filed 2026-03-06.

Estimates depend on assumptions and are not guarantees or investment advice. Underlying data remains subject to its source licenses; public reading does not grant bulk redistribution rights.
← Companies

Altimmune

ALT · US

Not a wonderful business

4 quality tests fail. A lower price would not fix the business.

Share price
$2.36
Quality tests
Fail
Annual history
8 years
Market value
$532M

The business

How it makes money
Why customers stay
Where the cash goes
Are managers owners
What the price says

1. Is this a good business?

Evidence only; not required for Buy

8 loss years were recorded (limit 2), and average operating margin was negative (must be zero or higher), and margins varied 165.8% around their average (limit 35%).

7y median
-2197.6%
Worst year
-515860.0%
Latest · 2025
-230461.0%

Capital return excluding acquisitions: median -183.9% (minimum 15%), and the second-worst year -715.5% (minimum 10%).

8y median
-183.9%
Worst year
-4509.7%
Latest · 2025
-28.6%

Owners received -464 million over five years (must be positive), and new investment earned -799.8% (minimum 12%).

5y median
-$88M
Worst year
-$109M
Latest · 2025
-$88M

Per-share value rose from -1.91 to -1.34, comparing three-year medians at each end (must rise and stay positive).

8y median
-$1.73
Worst year
-$4.13
Latest · 2025
-$1.00

Profits were backed by cash: accruals were -7.3% of assets (limit 10%).

8y median
-9.7%
Worst year
-6.0%
Latest · 2025
-7.3%

Profit record · fail 8 loss years in 8 (at most 2), mean operating margin -110355.9%, three-year average owner earnings per share -1.33 USD. 8 loss years in the last 10; at most 2 allowed. Mean operating margin over the last ten years is negative. Three-year average owner earnings per share is not positive.

Revenue$41K
$10M-$68K20182025
FY2018 · Revenue: $10M; FY2019 · Revenue: $5.8M; FY2020 · Revenue: $8.2M; FY2021 · Revenue: $4.4M; FY2022 · Revenue: -$68K; FY2023 · Revenue: $426K; FY2024 · Revenue: $20K; FY2025 · Revenue: $41K
Revenue
Owner earnings-$88M
$1.00-$109M20182025
FY2018 · Owner earnings: -$40M; FY2019 · Owner earnings: -$20M; FY2020 · Owner earnings: -$49M; FY2021 · Owner earnings: -$109M; FY2022 · Owner earnings: -$84M; FY2023 · Owner earnings: -$88M; FY2024 · Owner earnings: -$95M; FY2025 · Owner earnings: -$88M
Owner earnings
Operating margin-230461.0%
10.0%-5.2e+5%20182025
FY2018 · Operating margin: -414.6%; FY2019 · Operating margin: -370.0%; FY2020 · Operating margin: -669.5%; FY2021 · Operating margin: -2197.6%; FY2023 · Operating margin: -2.3e+4%; FY2024 · Operating margin: -5.2e+5%; FY2025 · Operating margin: -2.3e+5%
Operating margin
Net cash / debt$238M
$238M$020182025
FY2018 · Net cash / debt: $32M; FY2019 · Net cash / debt: $35M; FY2020 · Net cash / debt: $214M; FY2021 · Net cash / debt: $188M; FY2022 · Net cash / debt: $184M; FY2023 · Net cash / debt: $197M; FY2024 · Net cash / debt: $130M; FY2025 · Net cash / debt: $238M
Net cash / debt
Diluted shares88M
88M020182025
FY2018 · Diluted shares: 9.5M; FY2019 · Diluted shares: 13M; FY2020 · Diluted shares: 26M; FY2021 · Diluted shares: 41M; FY2022 · Diluted shares: 47M; FY2023 · Diluted shares: 53M; FY2024 · Diluted shares: 71M; FY2025 · Diluted shares: 88M
Diluted shares
Prices 15 Oct 2026 · FY2025Original filing ↗ ·