Altimmune, Inc. - ALT

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Apr 06, 2026 P A 9,200.0 3.4076 31,349.92 21,700.0 View
Apr 01, 2026 President and CEO P A 15,000.0 3.14 47,100.0 47,500.0 View
Apr 01, 2026 Chief Financial Officer P A 10,000.0 3.1499 31,499.0 38,078.0 View
Mar 09, 2026 President and CEO P A 20,000.0 3.5395 70,790.0 32,500.0 View
Mar 09, 2026 Chief Financial Officer P A 5,000.0 3.54 17,700.0 28,078.0 View
Feb 27, 2026 Chief Scientific Officer A A 95,430.0 0.0 0.0 95,430.0 View
Feb 27, 2026 Chief Scientific Officer A A 222,670.0 0.0 0.0 222,670.0 View
Feb 27, 2026 Chief Financial Officer A A 111,000.0 0.0 0.0 111,000.0 View
Feb 27, 2026 Chief Financial Officer A A 259,000.0 0.0 0.0 259,000.0 View
Feb 03, 2026 Chief Scientific Officer M D 7,775.0 0.0 0.0 0.0 View
Feb 03, 2026 Chief Scientific Officer M D 9,275.0 0.0 0.0 9,275.0 View
Feb 03, 2026 Chief Scientific Officer F D 2,329.0 5.55 12,925.95 112,824.0 View
Feb 03, 2026 Chief Scientific Officer M A 7,775.0 0.0 0.0 115,153.0 View
Feb 03, 2026 Chief Scientific Officer A A 5,567.0 3.07 17,090.69 107,378.0 View
Feb 03, 2026 Chief Scientific Officer F D 2,859.0 5.6 16,010.4 101,811.0 View
Feb 03, 2026 Chief Scientific Officer M A 9,275.0 0.0 0.0 104,670.0 View
Feb 02, 2026 M D 26,775.0 0.0 0.0 26,775.0 View
Feb 02, 2026 A A 6,926.0 3.07 21,262.82 424,519.0 View
Feb 02, 2026 F D 11,632.0 5.6 65,139.2 417,593.0 View
Feb 02, 2026 M A 26,775.0 0.0 0.0 429,225.0 View
Feb 02, 2026 Chief Business Officer A A 4,571.0 3.07 14,032.97 70,107.0 View
Jan 29, 2026 Chief Scientific Officer M D 15,850.0 0.0 0.0 47,550.0 View
Jan 29, 2026 Chief Scientific Officer F D 4,748.0 6.18 29,342.64 95,395.0 View
Jan 29, 2026 Chief Scientific Officer M A 15,850.0 0.0 0.0 100,143.0 View
Jan 29, 2026 M D 41,200.0 0.0 0.0 123,600.0 View
Jan 29, 2026 F D 17,898.0 6.18 110,609.64 402,450.0 View
Jan 29, 2026 M A 41,200.0 0.0 0.0 420,348.0 View
Jan 29, 2026 Chief Business Officer M D 15,850.0 0.0 0.0 47,550.0 View
Jan 29, 2026 Chief Business Officer F D 4,229.0 6.18 26,135.22 65,536.0 View
Jan 29, 2026 Chief Business Officer M A 15,850.0 0.0 0.0 69,765.0 View
Jan 27, 2026 M D 42,050.0 0.0 0.0 84,100.0 View
Jan 27, 2026 F D 17,984.0 5.5 98,912.0 379,148.0 View
Jan 27, 2026 M A 42,050.0 0.0 0.0 397,132.0 View
Jan 27, 2026 Chief Business Officer M D 14,600.0 0.0 0.0 29,200.0 View
Jan 27, 2026 Chief Business Officer F D 3,855.0 5.5 21,202.5 53,915.0 View
Jan 27, 2026 Chief Business Officer M A 14,600.0 0.0 0.0 57,770.0 View
Jan 27, 2026 Chief Scientific Officer M D 14,600.0 0.0 0.0 29,200.0 View
Jan 27, 2026 Chief Scientific Officer F D 4,373.0 5.5 24,051.5 84,293.0 View
Jan 27, 2026 Chief Scientific Officer M A 14,600.0 0.0 0.0 88,666.0 View
Jan 09, 2026 P A 5,000.0 4.082 20,410.0 13,498.0 View
Jan 05, 2026 Chief Business Officer M D 9,375.0 0.0 0.0 9,375.0 View
Jan 05, 2026 Chief Business Officer F D 2,475.0 3.61 8,934.75 43,170.0 View
Jan 05, 2026 Chief Business Officer M A 9,375.0 0.0 0.0 45,645.0 View
Jan 05, 2026 P A 500.0 4.2351 2,117.55 1,500.0 View
Dec 29, 2025 P A 527.0 3.8 2,002.6 527.0 View
Dec 23, 2025 P A 12,500.0 4.1 51,250.0 12,500.0 View
Dec 22, 2025 P A 12,500.0 4.1255 51,568.75 12,500.0 View
Dec 01, 2025 CEO-elect A A 633,700.0 0.0 0.0 633,700.0 View
Dec 01, 2025 CEO-elect A A 1,824,400.0 0.0 0.0 1,824,400.0 View
Nov 12, 2025 Chief Financial Officer M D 18,750.0 0.0 0.0 56,250.0 View
Nov 12, 2025 Chief Financial Officer F D 5,672.0 4.28 24,276.16 23,078.0 View
Nov 12, 2025 Chief Financial Officer M A 18,750.0 0.0 0.0 28,750.0 View