- Corporate Officers - B
- Block Stephen A
Insider Trading History of Block Stephen A
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Block Stephen A since 2010.
This trader's CIK number is 1183721.
At the time of last reporting, Block Stephen A was the Officer of Chromadex Corp.. (stock ticker symbol CDXC).
Also see all insider trading activities at Chromadex Corp..
Note that in the past
BLOCK STEPHEN A also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Senomyx Inc (SNMX) by Block Stephen A
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2014 | SNMX | 0 | $0 | 28,750 | $236,176 | 28,750 | $64,269 |
| 2011 | SNMX | 0 | $0 | 21,911 | $122,372 | 21,911 | $77,345 |
| 2010 | SNMX | 0 | $0 | 15,000 | $79,950 | 15,000 | $23,700 |
Yearly summary of insider trading at Chromadex Corp. (CDXC) by Block Stephen A
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | CDXC | 0 | $0 | 52,500 | $625,775 | 52,500 | $114,500 |
| 2019 | CDXC | 0 | $0 | 10,000 | $35,200 | 10,000 | $15,000 |
Insider trading activities at 2 companies by Block Stephen A:
1. Senomyx Inc (SNMX)
2. Chromadex Corp. (CDXC)
Table 1. Insider trading of Senomyx Inc (SNMX) by Block Stephen A
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2014-06-09 | SNMX | Option Ex | 100 | 2.37 | 237 |
| 2014-06-10 | SNMX | Option Ex | 28,650 | 2.23 | 64,032 |
| 2014-06-09 | SNMX | Sale | 100 | 8.17 | 817 |
| 2014-06-10 | SNMX | Sale | 28,650 | 8.21 | 235,359 |
| 2011-05-06 | SNMX | Sale | 21,911 | 5.58 | 122,372 |
| 2011-05-06 | SNMX | Option Ex | 21,911 | 3.53 | 77,345 |
| 2010-11-09 | SNMX | Sale | 15,000 | 5.33 | 79,950 |
| 2010-11-09 | SNMX | Option Ex | 15,000 | 1.58 | 23,700 |
Table 2. Insider trading of Chromadex Corp. (CDXC) by Block Stephen A
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-03-15 | CDXC | Option Ex | 32,500 | 1.92 | 62,400 |
| 2021-03-16 | CDXC | Option Ex | 20,000 | 2.60 | 52,100 |
| 2021-03-15 | CDXC | Sale | 32,500 | 11.15 | 362,375 |
| 2021-03-16 | CDXC | Sale | 20,000 | 13.17 | 263,400 |
| 2019-03-11 | CDXC.OB | Option Ex | 10,000 | 1.50 | 15,000 |
| 2019-03-11 | CDXC.OB | Sale | 10,000 | 3.52 | 35,200 |
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 Block Stephen A
(Officer of Chromadex Corp. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.