The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Yu Calvin since 2019.
This trader's CIK number is 1757799.
At the time of last reporting, Yu Calvin was the Vice President, Finance of Alector, Inc.. (stock ticker symbol ALEC).
Also see all insider trading activities at Alector, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2021 | ALEC | 0 | $0 | 114,174 | $4,058,988 | 64,174 | $758,343 |
| 2020 | ALEC | 0 | $0 | 91,538 | $2,884,485 | 25,587 | $220,714 |
| 2019 | ALEC | 0 | $0 | 1,315 | $24,077 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2021-07-02 | ALEC | Option Ex | 60,840 | 11.82 | 718,946 |
| 2021-07-02 | ALEC | Sale | 110,840 | 35.58 | 3,943,465 |
| 2021-07-06 | ALEC | Option Ex | 3,334 | 11.82 | 39,397 |
| 2021-07-06 | ALEC | Sale | 3,334 | 34.65 | 115,523 |
| 2020-06-03 | ALEC | Sale | 1,343 | 31.53 | 42,344 |
| 2020-02-06 | ALEC | Option Ex | 1,821 | 9.15 | 16,662 |
| 2020-02-07 | ALEC | Option Ex | 10,225 | 9.15 | 93,558 |
| 2020-02-06 | ALEC | Sale | 2,621 | 35.00 | 91,735 |
| 2020-02-07 | ALEC | Sale | 24,033 | 35.02 | 841,635 |
| 2020-02-04 | ALEC | Option Ex | 13,541 | 8.16 | 110,494 |
| 2020-02-04 | ALEC | Sale | 63,541 | 30.04 | 1,908,771 |
| 2019-12-03 | ALEC | 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.