M. Scot Roberts

Companies

• Altimmune, Inc.Chief Scientific Officer May 8, 2017 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• AAltimmune, Inc. ALT113,714 shares²$264.1K at $2.32Jul 31, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 31, 2026Granted 875 shares at $2.41 of Altimmune, Inc.²
• Feb 2, 2026Shares withheld for tax 2,329 shares at $5.55 of Altimmune, Inc.³
• Feb 2, 2026Exercised options 7,775 shares of Altimmune, Inc.³
• Jan 31, 2026Granted 5,567 shares at $3.07 of Altimmune, Inc.³
• Jan 30, 2026Shares withheld for tax 2,859 shares at $5.60 of Altimmune, Inc.³
• Jan 30, 2026Exercised options 9,275 shares of Altimmune, Inc.³
• Jan 27, 2026Shares withheld for tax 4,748 shares at $6.18 of Altimmune, Inc.⁴
• Jan 27, 2026Exercised options 15,850 shares of Altimmune, Inc.⁴
• Jan 25, 2026Shares withheld for tax 4,373 shares at $5.50 of Altimmune, Inc.⁵
• Jan 25, 2026Exercised options 14,600 shares of Altimmune, Inc.⁵
• Jul 31, 2025Granted 846 shares at $3.14 of Altimmune, Inc.⁶
• Feb 2, 2025Shares withheld for tax 2,316 shares at $6.64 of Altimmune, Inc.⁷
• Feb 2, 2025Exercised options 7,775 shares of Altimmune, Inc.⁷
• Feb 1, 2025Shares withheld for tax 1,801 shares at $6.64 of Altimmune, Inc.⁷
• Feb 1, 2025Exercised options 6,166 shares of Altimmune, Inc.⁷
• Jan 31, 2025Granted 3,184 shares at $5.18 of Altimmune, Inc.⁷
• Jan 30, 2025Shares withheld for tax 2,709 shares at $7.00 of Altimmune, Inc.⁷
• Jan 30, 2025Exercised options 9,275 shares of Altimmune, Inc.⁷
• Jan 25, 2025Shares withheld for tax 4,264 shares at $6.98 of Altimmune, Inc.⁸
• Jan 25, 2025Exercised options 14,600 shares of Altimmune, Inc.⁸
• Jul 31, 2024Granted 650 shares at $5.41 of Altimmune, Inc.⁹
• Feb 2, 2024Shares withheld for tax 2,330 shares at $9.32 of Altimmune, Inc.¹⁰
• Feb 2, 2024Exercised options 7,775 shares of Altimmune, Inc.¹⁰
• Feb 1, 2024Shares withheld for tax 1,801 shares at $9.88 of Altimmune, Inc.¹⁰
• Feb 1, 2024Exercised options 6,166 shares of Altimmune, Inc.¹⁰