** Online pet products retailer Chewy's CHWY.N shares rise 4.2% to $34.98 premarket
** CHWY posts Q4 adj profit of 28 cents per share, beating analysts' estimates of 5 cents per share, according to data compiled by LSEG
** Reports Q4 net sales of $3.25 billion vs estimates of $3.19 billion
** Up to last close, CHWY has more than doubled in the past 12 months
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))