0001104659-25-023724.txt : 20250314 0001104659-25-023724.hdr.sgml : 20250314 20250314072734 ACCESSION NUMBER: 0001104659-25-023724 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250313 FILED AS OF DATE: 20250314 DATE AS OF CHANGE: 20250314 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WEAVER GREGORY L CENTRAL INDEX KEY: 0001251779 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32587 FILM NUMBER: 25737655 MAIL ADDRESS: STREET 1: 185 BERRY STREET STREET 2: SUITE 6504 CITY: SAN FRANCISCO STATE: CA ZIP: 94107 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Altimmune, Inc. CENTRAL INDEX KEY: 0001326190 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 202726770 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 910 CLOPPER ROAD STREET 2: SUITE 201S CITY: GAITHERSBURG STATE: MD ZIP: 20878 BUSINESS PHONE: 2406541450 MAIL ADDRESS: STREET 1: 910 CLOPPER ROAD STREET 2: SUITE 201S CITY: GAITHERSBURG STATE: MD ZIP: 20878 FORMER COMPANY: FORMER CONFORMED NAME: PHARMATHENE, INC DATE OF NAME CHANGE: 20071016 FORMER COMPANY: FORMER CONFORMED NAME: HEALTHCARE ACQUISITION CORP DATE OF NAME CHANGE: 20050505 4 1 tm259169-1_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2025-03-13 0 0001326190 Altimmune, Inc. ALT 0001251779 WEAVER GREGORY L C/O ALTIMMUNE, INC. 910 CLOPPER ROAD, SUITE 201S GAITHERSBURG MD 20878 0 1 0 0 Chief Financial Officer 0 Common Stock, par value $0.0001 2025-03-13 4 P 0 10000 5.1996 A 10000 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.1950 to $5.1997, inclusive. The reporting person undertakes to provide to Altimmune, Inc., any security holder of Altimmune, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. /s/ Vipin Garg as Attorney-in Fact 2025-03-14