Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001326190-26-000018
Filing Date
2026-03-06
Accepted
2026-03-06 07:56:28
Documents
96
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K alt-20251231x10k.htm   iXBRL 10-K 2155539
2 EX-4.1 alt-20251231xex4d1.htm EX-4.1 44014
3 EX-10.14 alt-20251231xex10d14.htm EX-10.14 123029
4 EX-21 alt-20251231xex21.htm EX-21 6975
5 EX-23.1 alt-20251231xex23d1.htm EX-23.1 14527
6 EX-31.1 alt-20251231xex31d1.htm EX-31.1 13122
7 EX-31.2 alt-20251231xex31d2.htm EX-31.2 13009
8 EX-32.1 alt-20251231xex32d1.htm EX-32.1 7708
9 EX-32.2 alt-20251231xex32d2.htm EX-32.2 7729
10 GRAPHIC alt-20251231x10k002.jpg GRAPHIC 6731
11 GRAPHIC alt-20251231x10k004.jpg GRAPHIC 61829
12 GRAPHIC alt-20251231x10k005.jpg GRAPHIC 42393
13 GRAPHIC alt-20251231x10k006.jpg GRAPHIC 68069
14 GRAPHIC alt-20251231x10k007.jpg GRAPHIC 60468
15 GRAPHIC alt-20251231x10k008.jpg GRAPHIC 18337
  Complete submission text file 0001326190-26-000018.txt   9873295

Data Files

Seq Description Document Type Size
16 EX-101.SCH alt-20251231.xsd EX-101.SCH 58924
17 EX-101.CAL alt-20251231_cal.xml EX-101.CAL 74121
18 EX-101.DEF alt-20251231_def.xml EX-101.DEF 217159
19 EX-101.LAB alt-20251231_lab.xml EX-101.LAB 590101
20 EX-101.PRE alt-20251231_pre.xml EX-101.PRE 419612
99 EXTRACTED XBRL INSTANCE DOCUMENT alt-20251231x10k_htm.xml XML 1406764
Mailing Address 910 CLOPPER ROAD SUITE 201S GAITHERSBURG MD 20878
Business Address 910 CLOPPER ROAD SUITE 201S GAITHERSBURG MD 20878 2406541450
Altimmune, Inc. (Filer) CIK: 0001326190 (see all company filings)

EIN.: 202726770 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-32587 | Film No.: 26728482
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)