Altimmune, Inc. — Director's Dealing 2020

May 28, 2020

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Altimmune, Inc. (ALT)
CIK: 0001326190
Period of Report: 2020-05-22

Reporting Person: Venrock Healthcare Capital Partners III, L.P. (10% Owner)
Reporting Person: VHCP Co-Investment Holdings III, LLC (10% Owner)
Reporting Person: VHCP Management III, LLC (10% Owner)
Reporting Person: Venrock Healthcare Capital Partners II, L.P. (10% Owner)
Reporting Person: VHCP Co-Investment Holdings II, LLC (10% Owner)
Reporting Person: VHCP Management II, LLC (10% Owner)
Reporting Person: Koh Bong Y (10% Owner)
Reporting Person: Shah Nimish P (10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1696364	Indirect

Footnotes

F1: Represents (a) 969,473 shares of common stock held by Venrock Healthcare Capital Partners III, L.P. ("VHCP III"), (b) 96,862 shares of common stock held by VHCP Co-Investment Holdings III, LLC ("VHCP III Co"), (c) 448,349 shares of common stock held by Venrock Healthcare Capital Partners II, L.P. ("VHCP II"), and (d) 181,680 shares of common stock held by VHCP Co-Investment Holdings II, LLC ("VHCP II Co"). VHCP Management III, LLC ("VHCPM III") is the sole general partner of VHCP III and the sole manager of VHCP III Co. VHCP Management II, LLC ("VHCPM II") is the sole general partner of VHCP II and the sole manager of VHCP II Co. Dr. Bong Koh and Nimish Shah are the voting members of VHCPM III and VHCPM II. Dr. Koh, Mr. Shah, VHCPM III and VHCPM II disclaim beneficial ownership over all shares held by VHCP III, VHCP III Co, VHCP II and VHCP II Co, except to the extent of their respective indirect pecuniary interests therein.