Insider Stock Trading History of Webster Stephen W


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 Webster Stephen W since year 2005. The trader's CIK number is 1438421. At the time of this reporting, Webster Stephen W is the Chief Financial Officer of Spark Therapeutics, Inc. . (stock ticker symbol ONCE). See this page for all insider trading activities at Spark Therapeutics, Inc. .

Note that in the past Webster Stephen W also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Webster Stephen W since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-08-15 ONCE Spark Therapeutics, Inc. Option Ex 10,000 3.45 34,500
2017-08-15 ONCE Spark Therapeutics, Inc. Sale 10,000 79.38 793,800
2017-07-31 ONCE Spark Therapeutics, Inc. Option Ex 2,337 3.45 8,062
2017-07-31 ONCE Spark Therapeutics, Inc. Sale 2,337 71.12 166,207
2017-06-19 ONCE Spark Therapeutics, Inc. Sale 7,663 60.00 459,780
2017-06-19 ONCE Spark Therapeutics, Inc. Option Ex 7,663 3.45 26,437
2017-04-24 ONCE Spark Therapeutics, Inc. Option Ex 1,898 3.45 6,548
2017-04-25 ONCE Spark Therapeutics, Inc. Option Ex 8,102 3.45 27,951
2017-04-24 ONCE Spark Therapeutics, Inc. Sale 1,898 55.00 104,390
2017-04-25 ONCE Spark Therapeutics, Inc. Sale 8,102 55.22 447,392
2016-05-20 ONCE Spark Therapeutics, Inc. Option Ex 20,000 3.45 69,000
2016-05-20 ONCE Spark Therapeutics, Inc. Sale 20,000 50.39 1,007,800
2015-10-07 ONCE Spark Therapeutics, Inc. Option Ex 20,000 3.45 69,000
2015-10-07 ONCE Spark Therapeutics, Inc. Sale 20,000 48.86 977,200
2015-02-04 ONCE Spark Therapeutics, Inc. Buy 2,500 23.00 57,500
2011-12-12 ADLR Adolor Corp Option Ex 130,000 1.55 202,150
2011-06-27 ADLR Adolor Corp Buy 10,000 1.88 18,800

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 Webster Stephen W (Chief Financial Officer of Spark Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.