Insider Trading History of Cheung Chiyue


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 Cheung Chiyue since year 2005. The trader's CIK number is 1489294. At the time of the last reporting, Cheung Chiyue was the Chief Operating Officer of Neophotonics Corp . (stock ticker symbol NPTN). See this page for all insider trading activities at Neophotonics Corp .


Stock purchases, sales, and option exercises reported by insider Cheung Chiyue since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2019-05-13 NPTN Neophotonics Corp Option Ex 12,000 3.50 42,000
2019-05-13 NPTN Neophotonics Corp Sale 12,000 5.79 69,468
2018-10-29 NPTN Neophotonics Corp Option Ex 5,500 .00 0
2018-09-10 NPTN Neophotonics Corp Option Ex 10,000 3.50 35,000
2018-09-10 NPTN Neophotonics Corp Sale 10,000 8.11 81,090
2018-08-02 NPTN Neophotonics Corp Option Ex 4,800 .00 0
2018-07-31 NPTN Neophotonics Corp Option Ex 5,620 .00 0
2018-04-27 NPTN Neophotonics Corp Option Ex 5,500 .00 0
2017-08-02 NPTN Neophotonics Corp Option Ex 4,800 .00 0
2017-07-03 NPTN Neophotonics Corp Option Ex 10,000 3.50 35,000
2017-07-03 NPTN Neophotonics Corp Sale 10,000 7.66 76,620
2017-04-27 NPTN Neophotonics Corp Option Ex 11,000 .00 0
2016-08-15 NPTN Neophotonics Corp Option Ex 17,500 3.50 61,250
2016-08-15 NPTN Neophotonics Corp Sale 17,500 14.80 259,000
2016-08-05 NPTN Neophotonics Corp Option Ex 15,000 3.50 52,500
2016-08-05 NPTN Neophotonics Corp Sale 15,000 13.80 207,000
2016-08-01 NPTN Neophotonics Corp Option Ex 5,833 .00 0
2016-07-25 NPTN Neophotonics Corp Option Ex 18,000 3.50 63,000
2016-07-25 NPTN Neophotonics Corp Sale 18,000 12.82 230,706
2016-05-02 NPTN Neophotonics Corp Option Ex 20,000 3.50 70,000
2016-05-02 NPTN Neophotonics Corp Sale 20,000 11.86 237,100
2016-03-09 NPTN Neophotonics Corp Option Ex 25,000 3.30 82,500
2016-03-09 NPTN Neophotonics Corp Sale 25,000 11.08 276,950
2015-07-31 NPTN Neophotonics Corp Option Ex 8,033 .00 0
2015-05-13 NPTN Neophotonics Corp Sale 13,420 6.89 92,463
2015-05-12 NPTN Neophotonics Corp Option Ex 13,420 .00 0
2014-08-27 NPTN Neophotonics Corp Option Ex 12,034 .00 0
2013-08-09 NPTN Neophotonics Corp Sale 6,200 6.85 42,494
2013-07-31 NPTN Neophotonics Corp Option Ex 6,200 .00 0
2012-08-10 NPTN Neophotonics Corp Sale 4,000 4.89 19,560
2012-08-02 NPTN Neophotonics Corp Option Ex 4,000 .00 0

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 Cheung Chiyue (Chief Operating Officer of Neophotonics Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.