Carbon Black Inc. priced its initial public offering at the high end of its recently hike range late Thursday. Shares are expected to trade on the Nasdaq under the ticker "CBLK" on Friday. The company priced its shares at $19 apiece and is offering 8 million shares with an added 1.2 million shares to underwriters like Morgan Stanley and J.P. Morgan and others to cover overallotments, valuing the company at up to $1.27 billion. On Wednesday, Waltham, Mass.-based Carbon Black hiked its IPO pricing to a range of $17 to $19, up from its previous range of $15 to $17 a share.