The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Yaffe Kristine since 2023.
This trader's CIK number is 1783895.
At the time of last reporting, Yaffe Kristine was the Officer 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 |
| 2025 | ALEC | 0 | $0 | 1,000 | $1,440 | 0 | $0 |
| 2024 | ALEC | 0 | $0 | 5,000 | $25,310 | 0 | $0 |
| 2021 | ALEC | 0 | $0 | 0 | $0 | 2,000 | $36,200 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-20 | ALEC | Sale | 1,000 | 1.44 | 1,440 |
| 2024-08-12 | ALEC | Sale | 5,000 | 5.06 | 25,310 |
| 2021-09-10 | ALEC | Option Ex | 2,000 | 18.10 | 36,200 |
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 Yaffe Kristine (Officer of Alector, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.