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$ALT
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$ALT SEC Filings

Filed On Filing
27 Oct 2026 8-K: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers; Regulation FD Disclosure

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

05 Oct 2026 Form 4: Arbet-Engels Christophe, Chief Medical Officer

Received 37,500 shares by exercise or conversion · Gave up 12,679 shares to cover exercise price or tax ($35K)

05 Oct 2026 Form 4: Weaver Gregory L, Chief Financial Officer

Received 14,475 shares by exercise or conversion · Gave up 4,379 shares to cover exercise price or tax ($12.1K)

02 Oct 2026 Form 4: Menziuso Richard Thomas, Principal Accounting Officer

Granted 84,546 Stock Options (option to buy) · Granted 36,234 Restricted Stock Units

02 Oct 2026 Form 3: Menziuso Richard Thomas, Principal Accounting Officer

No securities owned

29 Sep 2026 8-K: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

On September 24, 2026, the Board of Directors (the “Board”) of Altimmune, Inc. (the “Company”) appointed Richard Menziuso as the Company’s Vice President, Global Controller and Principal Accounting Officer effective as of September 29, 2...

17 Sep 2026 Form 4: Richardson Linda M, Chief Commercial Officer

Received 24,000 shares by exercise or conversion · Gave up 6,826 shares to cover exercise price or tax ($22.1K)

13 Aug 2026 Form 4: Durso Jerome Benedict, Director

Bought 15,000 shares ($44.3K)

12 Aug 2026 10-Q
12 Aug 2026 8-K: Results of Operations and Financial Condition
03 Aug 2026 Form 4: Weaver Gregory L, Chief Financial Officer

Received 1,753 shares as a grant or award ($4.23K)

03 Aug 2026 Form 4: Roberts M Scot, Chief Scientific Officer

Received 875 shares as a grant or award ($2.11K)

28 Jul 2026 8-K: Regulation FD Disclosure; Other Events
16 Jun 2026 8-K: Other Events
15 May 2026 SCHEDULE 13G/A
13 May 2026 S-8
13 May 2026 10-Q
13 May 2026 8-K: Results of Operations and Financial Condition
12 May 2026 SCHEDULE 13G
01 May 2026 SCHEDULE 13G

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