M Scot Roberts

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
2 Feb 25	ALT Altimmune	Common Stock, par value $0.0001	Payment of exercise	Dispose F	No	No	6.64	2,316	15.38 k	73,220
2 Feb 25	ALT Altimmune	Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	7,775	0.00	75,536
2 Feb 25	ALT Altimmune	RSU Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	7,775	0.00	7,775
1 Feb 25	ALT Altimmune	Common Stock, par value $0.0001	Payment of exercise	Dispose F	No	No	6.64	1,801	11.96 k	67,761
1 Feb 25	ALT Altimmune	Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	6,166	0.00	69,562
1 Feb 25	ALT Altimmune	RSU Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	6,166	0.00	0
31 Jan 25	ALT Altimmune	Common Stock, par value $0.0001	Grant	Acquire A	No	No	5.18	3,184	16.49 k	63,396
30 Jan 25	ALT Altimmune	Common Stock, par value $0.0001	Payment of exercise	Dispose F	No	No	7	2,709	18.96 k	60,212
30 Jan 25	ALT Altimmune	Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	9,275	0.00	62,921
30 Jan 25	ALT Altimmune	RSU Common Stock, par value $0.0001	Option exercise	Acquire M	No	No	0	9,275	0.00	18,550

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.