** Shares of drugmaker Alkermes ALKS.O rise 6.38% to $34
** Co posts Q4 sales of $430 million, beating analysts' estimate of $379 million - LSEG
** Sees 2025 revenue between $1.3 billion and $1.4 billion vs est $1.4 billion
** Expects mid-stage study data of neurological disorder drug in H2 2025
** Plans to begin early-stage study of drugs to treat sleep disorders
** In the last 12 months, ALKS rose 7.6%
(Reporting by Siddhi Mahatole)
((Siddhiprabhanjan.mahatole@thomsonreuters.com))