Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.55
-0.08 (-2.20%)
At close: Aug 18, 2025, 3:59 PM
3.53
-0.63%
After-hours: Aug 18, 2025, 07:55 PM EDT
No unusual options trading activity with a premium of at least $1 million was found.