Insider Stock Trading History of Breum Casper

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Breum Casper since year 2005. The trader's CIK number is 1630850. At the time of this reporting, Breum Casper is the Director of Spero Therapeutics, Inc. . (stock ticker symbol SPRO). See this page for all insider trading activities at Spero Therapeutics, Inc. .

Stock purchases, sales, and option exercises reported by insider Breum Casper since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-06 SPRO Spero Therapeutics, Inc. Buy 214,285 14.00 2,999,990

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Breum Casper (Director of Spero Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.