Thomas Cannell, Sesen Bio CEO

Sesen Bio reach­es deal with in­vestor group, paving way for Caris­ma merg­er

With a new deal, Sesen Bio’s merg­er with CAR-M play­er Caris­ma Ther­a­peu­tics is fi­nal­ly get­ting the sig­nal to move for­ward.

The deal, an­nounced Tues­day, was reached with an in­vestor group that cur­rent­ly con­trols 8.7% of Sesen Bio’s shares. The group, led by Bradley Rad­off and Michael Torok, had pre­vi­ous­ly called the merg­er “il­log­i­cal” and “val­ue-de­struc­tive.”

If the merg­er goes through, Sesen’s spot on Nas­daq would be tak­en over by Caris­ma and trade as $CARM. Caris­ma’s cur­rent man­age­ment team, in­clud­ing CEO Steven Kel­ly, would lead the com­bined biotech mov­ing for­ward. The merg­er with Caris­ma was an­nounced back in Sep­tem­ber af­ter Caris­ma beat out 41 oth­er com­pa­nies to merge with Sesen Bio. Sesen said in Jan­u­ary that it took four months for its board to eval­u­ate all its op­tions.

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