Follow-on roundup: Array, Marinus, T2

Cancer company Array BioPharma Inc. (NASDAQ:ARRY), neurology company Marinus Pharmaceuticals Inc. (NASDAQ:MRNS), and diagnostics play T2 Biosystems Inc. (NASDAQ:TTOO) each priced follow-on offerings, raising more than $270 million.

Array raised $258.8 million through the sale of 24.1 million shares at $10.75 in a bumped-up follow-on underwritten by JPMorgan, Cowen, Piper Jaffray, Stifel, Wells Fargo and SunTrust Robinson Humphrey. The price is a 2% increase to Array's close of $10.53 on Sept. 13 when it proposed the offering after trading hours. The figures include the sale of a 3.1 million share overallotment on Sept. 19...