- Corporate Officers - K
- Kabakoff David S
Insider Trading History of Kabakoff David S
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Kabakoff David S since 2010.
This trader's CIK number is 1024008.
At the time of last reporting, Kabakoff David S was the Officer of Castle Biosciences Inc. (stock ticker symbol CSTL).
Also see all insider trading activities at Castle Biosciences Inc.
Note that in the past
KABAKOFF DAVID S also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Trius Therapeutics Inc (TSRX) by Kabakoff David S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | TSRX | 30,000 | $150,000 | 0 | $0 | 29,651 | $38,249 |
Yearly summary of insider trading at Intermune Inc (ITMN) by Kabakoff David S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2014 | ITMN | 0 | $0 | 5,000 | $197,800 | 6,000 | $59,940 |
| 2011 | ITMN | 0 | $0 | 2,000 | $72,820 | 52,002 | $724,751 |
Yearly summary of insider trading at Castle Biosciences Inc (CSTL) by Kabakoff David S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | CSTL | 0 | $0 | 380,000 | $26,201,199 | 0 | $0 |
| 2020 | CSTL | 0 | $0 | 950,000 | $38,197,350 | 0 | $0 |
| 2019 | CSTL | 62,500 | $1,000,000 | 9 | $144 | 0 | $0 |
Insider trading activities at 3 companies by Kabakoff David S:
1. Trius Therapeutics Inc (TSRX)
2. Intermune Inc (ITMN)
3. Castle Biosciences Inc (CSTL)
Table 1. Insider trading of Trius Therapeutics Inc (TSRX) by Kabakoff David S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-10-08 | TSRX | Option Ex | 29,651 | 1.29 | 38,249 |
| 2010-08-06 | TSRX | Buy | 30,000 | 5.00 | 150,000 |
Table 2. Insider trading of Intermune Inc (ITMN) by Kabakoff David S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2014-09-03 | ITMN | Option Ex | 6,000 | 9.99 | 59,940 |
| 2014-05-29 | ITMN | Sale | 5,000 | 39.56 | 197,800 |
| 2011-06-02 | ITMN | Sale | 2,000 | 36.41 | 72,820 |
| 2011-01-28 | ITMN | Option Ex | 52,002 | 13.94 | 724,751 |
Table 3. Insider trading of Castle Biosciences Inc (CSTL) by Kabakoff David S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-06-17 | CSTL | Sale | 30,000 | 75.07 | 2,252,100 |
| 2021-04-05 | CSTL | Sale | 70,000 | 72.51 | 5,075,490 |
| 2021-04-06 | CSTL | Sale | 40,000 | 73.99 | 2,959,720 |
| 2021-04-01 | CSTL | Sale | 60,000 | 70.40 | 4,224,120 |
| 2021-03-31 | CSTL | Sale | 30,000 | 67.86 | 2,035,769 |
| 2021-03-22 | CSTL | Sale | 10,000 | 67.12 | 671,210 |
| 2021-03-19 | CSTL | Sale | 10,000 | 66.17 | 661,700 |
| 2021-03-16 | CSTL | Sale | 120,000 | 63.83 | 7,659,720 |
| 2021-03-17 | CSTL | Sale | 10,000 | 66.14 | 661,370 |
| 2020-10-09 | CSTL | Sale | 25,000 | 54.16 | 1,354,075 |
| 2020-10-08 | CSTL | Sale | 25,000 | 54.23 | 1,355,775 |
| 2020-10-06 | CSTL | Sale | 50,000 | 53.09 | 2,654,650 |
| 2020-10-02 | CSTL | Sale | 25,000 | 52.07 | 1,301,675 |
| 2020-10-05 | CSTL | Sale | 25,000 | 52.09 | 1,302,250 |
| 2020-09-03 | CSTL | Sale | 25,000 | 46.05 | 1,151,325 |
| 2020-08-19 | CSTL | Sale | 75,000 | 44.78 | 3,358,500 |
| 2020-08-10 | CSTL | Sale | 25,000 | 42.01 | 1,050,300 |
| 2020-07-17 | CSTL | Sale | 25,000 | 43.04 | 1,075,900 |
| 2020-07-09 | CSTL | Sale | 50,000 | 43.60 | 2,180,200 |
| 2020-06-22 | CSTL | Sale | 175,000 | 40.81 | 7,141,400 |
| 2020-06-23 | CSTL | Sale | 25,000 | 42.13 | 1,053,375 |
| 2020-05-12 | CSTL | Sale | 250,000 | 34.26 | 8,563,750 |
| 2020-02-19 | CSTL | Sale | 25,000 | 32.03 | 800,750 |
| 2020-02-13 | CSTL | Sale | 25,000 | 32.01 | 800,250 |
| 2020-02-06 | CSTL | Sale | 25,000 | 31.03 | 775,750 |
| 2020-01-31 | CSTL | Sale | 25,000 | 30.02 | 750,400 |
| 2020-02-03 | CSTL | Sale | 25,000 | 31.06 | 776,525 |
| 2020-01-28 | CSTL | Sale | 25,000 | 30.02 | 750,500 |
| 2019-07-29 | CSTL | Buy | 62,500 | 16.00 | 1,000,000 |
| 2019-07-29 | CSTL | Sale | 9 | 16.00 | 144 |
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 Kabakoff David S
(Officer of Castle Biosciences Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.