** B. Riley Securities initiates coverage of Checkpoint
Therapeutics Inc CKPT.O with "buy" rating and $18 PT
** PT represents an upside of 576.7% to stock's last close
** CKPT shares soar 33.5% to $3.55 in premarket trade -
highest since March 22
** Brokerage believes investors do not fully appreciate the
potential of co's lead drug candidate, cosibelimab, an antibody
designed to block the PD-L1 protein commonly expressed in
cancers
** Brokerage conservatively estimates that cosibelimab could
achieve $1.3 bln in peak risk-unadjusted net sales in the United
States, EU and UK
** Says cosibelimab data so far has been comparable to
approved PD-(L)1 therapies; recommends buying stock ahead of
pivotal top-line skin cancer data readout expected in H2
** Current avg recommendation of five analysts on stock is
"buy"; median PT is $17 - Refinitiv data
** CKPT had risen marginally in value YTD, as of last close
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com;))