** Shares of drug developer AnaptysBio ANAB.O fall 2.14% to $63.60
** Co says its board approved the spin-off of First Tracks Biotherapeutics, and the new company is expected to start regular trading on Nasdaq on April 20 under the ticker "TRAX"
** AnaptysBio shareholders will receive one First Tracks share for each AnaptysBio share they own, based on holdings as of April 6
** Co says First Tracks will start with $180 million in cash, including $80 million from a private placement, which it expects will fund the business for about two years
** First Tracks will focus on new antibody treatments for autoimmune and inflammatory diseases
** ANAB shares more than tripled in 2025
(Reporting by Kunal Das in Bengaluru)
((Kunal.Das2@thomsonreuters.com;))