Rolling up BIIB

Wanted to write some puts on this but I’m being a lot more disciplined these days about position size. So I’m just rolling up to a higher strike (13 delta) for a 4.00 credit instead of adding risk.
Bought to close $BIIB Jan 18 2019 220 puts @ 1.20. Sold for 3.70 on 6/18.
Sold to open $BIIB Jan 18 2019 270 puts @ 5.20.