** Shares of Poseida Therapeutics Inc PSTX.O down 18.2% at
$3.69 premarket after follow-on prices
** Genetic engineering platform sells 20 mln shares at
$3.50, raises $70 mln urn:newsml:reuters.com:*:nPn4vBYhMa
** Shares on Weds surged 85.6% to close at $4.51 after co
inked deal with Roche ROG.S to develop therapies for blood
tissue cancers urn:newsml:reuters.com:*:nL4N2ZF2ZM
** Offering represents about a third of co's shares
outstanding and roughly half of its public float, per Refinitiv
data
** Piper Sandler, William Blair, Cantor Fitzgerald and BTIG
acting as bookrunners
(Lance Tupper is a Reuters market analyst. The views expressed
are his own)
((lance.tupper@thomsonreuters.com
lance.tupper@tr.com 1-332-219-1430))