Stocks · Health care · Pharmaceutical Preparations

Altimmune, Inc.

ALT Clue Score41
United States Fiscal year ends December CIK 0001326190
$2.61 +0.38% Close, 9 Oct 2026

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
2.61 on 9 Oct 2026
6 4 3 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $4.00 14 Oct 2025 $3.97 15 Oct 2025 $4.00 16 Oct 2025 $3.89 17 Oct 2025 $3.83 20 Oct 2025 $4.00 21 Oct 2025 $4.04 22 Oct 2025 $3.90 23 Oct 2025 $3.96 24 Oct 2025 $3.95 27 Oct 2025 $4.14 28 Oct 2025 $4.06 29 Oct 2025 $4.00 30 Oct 2025 $4.07 31 Oct 2025 $4.05 3 Nov 2025 $3.96 4 Nov 2025 $3.76 5 Nov 2025 $3.75 6 Nov 2025 $3.94 7 Nov 2025 $4.11 10 Nov 2025 $4.26 11 Nov 2025 $4.28 12 Nov 2025 $4.23 13 Nov 2025 $4.06 14 Nov 2025 $4.17 17 Nov 2025 $4.19 18 Nov 2025 $4.65 19 Nov 2025 $4.59 20 Nov 2025 $4.47 21 Nov 2025 $4.81 24 Nov 2025 $5.10 25 Nov 2025 $5.14 26 Nov 2025 $5.17 28 Nov 2025 $5.26 1 Dec 2025 $4.93 2 Dec 2025 $4.76 3 Dec 2025 $5.11 4 Dec 2025 $5.31 5 Dec 2025 $5.24 8 Dec 2025 $5.61 9 Dec 2025 $5.52 10 Dec 2025 $5.43 11 Dec 2025 $5.34 12 Dec 2025 $5.27 15 Dec 2025 $5.28 16 Dec 2025 $5.03 17 Dec 2025 $5.09 18 Dec 2025 $5.05 19 Dec 2025 $3.90 22 Dec 2025 $4.14 23 Dec 2025 $4.00 24 Dec 2025 $3.98 26 Dec 2025 $3.86 29 Dec 2025 $3.68 30 Dec 2025 $3.61 31 Dec 2025 $3.61 2 Jan 2026 $3.51 5 Jan 2026 $4.09 6 Jan 2026 $3.96 7 Jan 2026 $4.19 8 Jan 2026 $4.08 9 Jan 2026 $4.02 12 Jan 2026 $4.05 13 Jan 2026 $4.01 14 Jan 2026 $4.18 15 Jan 2026 $4.24 16 Jan 2026 $4.24 20 Jan 2026 $4.23 21 Jan 2026 $4.62 22 Jan 2026 $5.38 23 Jan 2026 $5.50 26 Jan 2026 $5.66 27 Jan 2026 $6.18 28 Jan 2026 $5.12 29 Jan 2026 $5.10 30 Jan 2026 $5.60 2 Feb 2026 $5.55 3 Feb 2026 $5.47 4 Feb 2026 $5.13 5 Feb 2026 $4.92 6 Feb 2026 $4.87 9 Feb 2026 $4.69 10 Feb 2026 $4.65 11 Feb 2026 $4.63 12 Feb 2026 $4.57 13 Feb 2026 $4.53 17 Feb 2026 $4.50 18 Feb 2026 $4.46 19 Feb 2026 $4.49 20 Feb 2026 $4.38 23 Feb 2026 $4.52 24 Feb 2026 $4.57 25 Feb 2026 $4.56 26 Feb 2026 $4.46 27 Feb 2026 $4.31 2 Mar 2026 $4.16 3 Mar 2026 $4.16 4 Mar 2026 $4.27 5 Mar 2026 $3.51 6 Mar 2026 $3.54 9 Mar 2026 $3.88 10 Mar 2026 $3.86 11 Mar 2026 $3.80 12 Mar 2026 $3.60 13 Mar 2026 $3.50 16 Mar 2026 $3.62 17 Mar 2026 $3.53 18 Mar 2026 $3.42 19 Mar 2026 $3.42 20 Mar 2026 $3.34 23 Mar 2026 $3.44 24 Mar 2026 $3.24 25 Mar 2026 $3.31 26 Mar 2026 $3.20 27 Mar 2026 $3.02 30 Mar 2026 $2.88 31 Mar 2026 $3.08 1 Apr 2026 $3.12 2 Apr 2026 $3.34 6 Apr 2026 $3.33 7 Apr 2026 $3.38 8 Apr 2026 $3.37 9 Apr 2026 $3.38 10 Apr 2026 $3.24 13 Apr 2026 $3.23 14 Apr 2026 $3.29 15 Apr 2026 $3.40 16 Apr 2026 $3.51 17 Apr 2026 $3.50 20 Apr 2026 $3.56 21 Apr 2026 $3.41 22 Apr 2026 $3.47 23 Apr 2026 $2.89 24 Apr 2026 $2.85 27 Apr 2026 $2.80 28 Apr 2026 $2.74 29 Apr 2026 $2.63 30 Apr 2026 $2.60 1 May 2026 $2.82 4 May 2026 $3.02 5 May 2026 $3.06 6 May 2026 $3.26 7 May 2026 $3.04 8 May 2026 $3.09 11 May 2026 $3.09 12 May 2026 $3.08 13 May 2026 $3.02 14 May 2026 $2.92 15 May 2026 $2.85 18 May 2026 $2.80 19 May 2026 $2.74 20 May 2026 $2.82 21 May 2026 $2.93 22 May 2026 $2.90 26 May 2026 $2.93 27 May 2026 $2.98 28 May 2026 $3.07 29 May 2026 $3.05 1 Jun 2026 $3.01 2 Jun 2026 $2.90 3 Jun 2026 $2.87 4 Jun 2026 $2.92 5 Jun 2026 $2.71 8 Jun 2026 $2.73 9 Jun 2026 $2.66 10 Jun 2026 $2.61 11 Jun 2026 $2.59 12 Jun 2026 $2.61 15 Jun 2026 $2.64 16 Jun 2026 $2.62 17 Jun 2026 $2.64 18 Jun 2026 $2.70 22 Jun 2026 $2.93 23 Jun 2026 $2.91 24 Jun 2026 $2.95 25 Jun 2026 $2.87 26 Jun 2026 $2.82 29 Jun 2026 $2.94 30 Jun 2026 $3.04 1 Jul 2026 $3.15 2 Jul 2026 $3.16 6 Jul 2026 $3.08 7 Jul 2026 $3.02 8 Jul 2026 $3.11 9 Jul 2026 $3.12 10 Jul 2026 $3.05 13 Jul 2026 $2.99 14 Jul 2026 $2.93 15 Jul 2026 $2.98 16 Jul 2026 $2.85 17 Jul 2026 $2.87 20 Jul 2026 $2.81 21 Jul 2026 $2.82 22 Jul 2026 $2.81 23 Jul 2026 $2.84 24 Jul 2026 $2.77 27 Jul 2026 $2.96 28 Jul 2026 $2.99 29 Jul 2026 $2.92 30 Jul 2026 $2.98 31 Jul 2026 $2.84 3 Aug 2026 $3.00 4 Aug 2026 $3.07 5 Aug 2026 $3.03 6 Aug 2026 $3.01 7 Aug 2026 $3.08 10 Aug 2026 $3.05 11 Aug 2026 $3.00 12 Aug 2026 $2.93 13 Aug 2026 $2.88 14 Aug 2026 $2.94 17 Aug 2026 $3.00 18 Aug 2026 $2.97 19 Aug 2026 $3.12 20 Aug 2026 $2.95 21 Aug 2026 $3.11 24 Aug 2026 $3.11 25 Aug 2026 $3.20 26 Aug 2026 $3.15 27 Aug 2026 $3.24 28 Aug 2026 $3.11 31 Aug 2026 $3.11 1 Sep 2026 $3.09 2 Sep 2026 $3.28 3 Sep 2026 $3.23 4 Sep 2026 $3.42 8 Sep 2026 $3.36 9 Sep 2026 $3.35 10 Sep 2026 $3.29 11 Sep 2026 $3.27 14 Sep 2026 $3.30 15 Sep 2026 $3.23 16 Sep 2026 $3.24 17 Sep 2026 $3.24 18 Sep 2026 $3.25 21 Sep 2026 $3.27 22 Sep 2026 $3.41 23 Sep 2026 $3.19 24 Sep 2026 $3.04 25 Sep 2026 $3.06 28 Sep 2026 $2.96 29 Sep 2026 $2.97 30 Sep 2026 $2.86 1 Oct 2026 $2.76 2 Oct 2026 $2.74 5 Oct 2026 $2.67 6 Oct 2026 $2.67 7 Oct 2026 $2.66 8 Oct 2026 $2.60 9 Oct 2026 $2.61 Durso Jerome Benedict Director Bought $51.57K 22 Dec 2025 · at $4.13 GILL JOHN Director Bought $51.25K 23 Dec 2025 · at $4.10 Jorkasky Diane Director Bought $2.00K 29 Dec 2025 · at $3.80 Sohn Catherine A. Director Bought $2.12K 5 Jan 2026 · at $4.24 · 50.0% of stake Pisano Wayne Director Bought $20.41K 8 Jan 2026 · at $4.08 · 58.8% of stake WEAVER GREGORY L Chief Financial Officer Bought $17.70K 6 Mar 2026 · at $3.54 · 21.7% of stake Durso Jerome Benedict President and CEO Bought $70.79K 6 Mar 2026 · at $3.54 · 160% of stake WEAVER GREGORY L Chief Financial Officer Bought $31.50K 1 Apr 2026 · at $3.15 · 35.6% of stake Durso Jerome Benedict President and CEO Bought $47.10K 1 Apr 2026 · at $3.14 · 46.2% of stake GILL JOHN Director Bought $31.35K 6 Apr 2026 · at $3.41 · 73.6% of stake Durso Jerome Benedict President and CEO Bought $44.25K 13 Aug 2026 · at $2.95 · 31.6% of stake
11 buys0 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$41.00K
Net income
$88.09M
Free cash flow
$67.55M
Operating margin
-230,461.0%
Net margin
-214,861.0%
Return on equity
-39.2%
Return on capital
-28.8%
Debt to equity
0.15
Revenue growth, 1 yr
105.0%
Revenue growth, 5 yr
-65.3% a year

Revenue and profit

Fiscal years, as filed with the SEC · point at a year for the detail
Full statements →
8M -49M FY20 Fiscal year 2020 Revenue $8.19M Net income $49.04M Margin -599.2% 4M -97M FY21 Fiscal year 2021 Revenue $4.41M Net income $97.09M Margin -2,201.4% · growth -46.1% -68K -85M FY22 Fiscal year 2022 Revenue $68.00K Net income $84.71M Margin n/a · growth -101.5% 426K -88M FY23 Fiscal year 2023 Revenue $426.00K Net income $88.45M Margin -20,762.2% 20K -95M FY24 Fiscal year 2024 Revenue $20.00K Net income $95.06M Margin -475,295.0% · growth -95.3% 41K -88M FY25 Fiscal year 2025 Revenue $41.00K Net income $88.09M Margin -214,861.0% · growth +105.0%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
13 Aug 2026 Durso Jerome Benedict
President and CEO
Bought $44.25K 31.6%
6 Apr 2026 GILL JOHN
Director
Bought $31.35K 73.6%
1 Apr 2026 Durso Jerome Benedict
President and CEO
Bought $47.10K 46.2%
1 Apr 2026 WEAVER GREGORY L
Chief Financial Officer
Bought $31.50K 35.6%
6 Mar 2026 Durso Jerome Benedict
President and CEO
Bought $70.79K 160%
6 Mar 2026 WEAVER GREGORY L
Chief Financial Officer
Bought $17.70K 21.7%