Insider Trading History of Yu Calvin


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 Yu Calvin since year 2005. The trader's CIK number is 1757799. At the time of the last reporting, Yu Calvin was the Vice President, Finance of Alector, Inc. . (stock ticker symbol ALEC). See this page for all insider trading activities at Alector, Inc. .


Stock purchases, sales, and option exercises reported by insider Yu Calvin since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2020-02-07 ALEC Alector, Inc. Sale 24,033 35.02 841,635
2020-02-06 ALEC Alector, Inc. Sale 2,621 35.00 91,735
2020-02-07 ALEC Alector, Inc. Option Ex 10,225 9.15 93,558
2020-02-06 ALEC Alector, Inc. Option Ex 1,821 9.15 16,662
2020-02-04 ALEC Alector, Inc. Sale 63,541 30.04 1,908,771
2020-02-04 ALEC Alector, Inc. Option Ex 13,541 8.16 110,494
2019-12-03 ALEC Alector, Inc. Sale 1,315 18.31 24,077

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 Yu Calvin (Vice President, Finance of Alector, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.




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