- Corporate Officers - G
- Grierson Stewart
Insider Trading History of Grierson Stewart
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Grierson Stewart since 2008.
This trader's CIK number is 1424704.
At the time of last reporting, Grierson Stewart was the Chief Financial Officer of Sumo Logic, Inc.. (stock ticker symbol SUMO).
Also see all insider trading activities at Sumo Logic, Inc..
Note that in the past
Grierson Stewart also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Arcsight Inc (ARST) by Grierson Stewart
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | ARST | 0 | $0 | 20,000 | $573,360 | 154,570 | $701,289 |
| 2009 | ARST | 0 | $0 | 120,000 | $2,434,649 | 111,500 | $144,200 |
| 2008 | ARST | 0 | $0 | 20,000 | $149,920 | 0 | $0 |
Yearly summary of insider trading at Ruckus Wireless Inc (RKUS) by Grierson Stewart
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | RKUS | 0 | $0 | 20,000 | $246,740 | 20,000 | $114,200 |
Yearly summary of insider trading at Sumo Logic, Inc. (SUMO) by Grierson Stewart
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SUMO | 0 | $0 | 10,842 | $128,401 | 0 | $0 |
Insider trading activities at 3 companies by Grierson Stewart:
1. Arcsight Inc (ARST)
2. Ruckus Wireless Inc (RKUS)
3. Sumo Logic, Inc. (SUMO)
Table 1. Insider trading of Arcsight Inc (ARST) by Grierson Stewart
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-10-21 | ARST | Option Ex | 134,570 | 5.14 | 691,689 |
| 2010-03-25 | ARST | Option Ex | 20,000 | .48 | 9,600 |
| 2010-03-25 | ARST | Sale | 20,000 | 28.67 | 573,360 |
| 2009-12-22 | ARST | Option Ex | 11,500 | 10.00 | 115,000 |
| 2009-12-16 | ARST | Option Ex | 25,000 | .48 | 12,000 |
| 2009-12-16 | ARST | Sale | 25,000 | 24.92 | 623,100 |
| 2009-09-29 | ARST | Sale | 20,000 | 24.05 | 480,959 |
| 2009-09-29 | ARST | Option Ex | 20,000 | .36 | 7,200 |
| 2009-09-09 | ARST | Option Ex | 30,000 | .20 | 6,000 |
| 2009-09-09 | ARST | Sale | 30,000 | 22.66 | 679,860 |
| 2009-06-26 | ARST | Sale | 25,000 | 17.00 | 425,050 |
| 2009-06-26 | ARST | Option Ex | 25,000 | .16 | 4,000 |
| 2009-03-10 | ARST | Sale | 20,000 | 11.28 | 225,680 |
| 2008-12-12 | ARST | Sale | 20,000 | 7.50 | 149,920 |
Table 2. Insider trading of Ruckus Wireless Inc (RKUS) by Grierson Stewart
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-02-27 | RKUS | Sale | 20,000 | 12.34 | 246,740 |
| 2015-02-27 | RKUS | Option Ex | 20,000 | 5.71 | 114,200 |
Table 3. Insider trading of Sumo Logic, Inc. (SUMO) by Grierson Stewart
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-03-15 | SUMO | Sale | 10,842 | 11.84 | 128,401 |
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 Grierson Stewart
(Chief Financial Officer of Sumo Logic, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.