BioCardia (BCDA) filed a regulatory statement to register up to 549,392 common shares for resale by existing investors from time to time.
The securities consist of 274,696 shares and warrants for an identical number of shares, the company said Wednesday in a filing.
The company won't receive proceeds from the resale of common shares but may receive up to $535,657.20 if all warrants are exercised at $1.95 a share.
BioCardia shares fell 4.7% in recent after-hours trading.