Stewart Grierson serves as Executive at ArcSight Inc, where they oversee executive responsibilities. Since joining the company, Stewart Grierson has executed 27 insider transactions totaling $4.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 12, 2023 involved selling 413,678 shares valued at $0.
Stewart Grierson currently holds 413,678 shares of ArcSight Inc (ARST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stewart Grierson has been a net seller of ARST stock. They have purchased $0 and sold $4.0M worth of shares.
Stewart Grierson's most recent insider trade was on May 12, 2023, when they sold 413,678 shares at $0.00 per share.
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| $11.84 |
| Discretionary |
| Dec 15, 2022 | SUMO | $460.5K | Sale | 55,480 | $8.30 | Discretionary |
| Dec 31, 2021 | SUMO | $0 | Award | 480,000 | $N/A | Discretionary |
| Feb 27, 2015 | RKUS | $246.8K | Sale | 20,000 | $12.34 | Discretionary |
| Feb 27, 2015 | RKUS | $114.2K | Option Exercise | 20,000 | $5.71 | Discretionary |
| Oct 22, 2010 | ARST | $5.9M | Disposition | 134,570 | $43.50 | Discretionary |
| Oct 21, 2010 | ARST | $38.4K | Option Exercise | 80,000 | $0.48 | Discretionary |
| Oct 21, 2010 | ARST | $1.0M | Tender | 23,632 | $43.50 | Discretionary |
| Oct 21, 2010 | ARST | $100.0K | Option Exercise | 25,000 | $4.00 | Discretionary |
| Oct 21, 2010 | ARST | $58.2K | Option Exercise | 5,820 | $10.00 | Discretionary |
| Oct 21, 2010 | ARST | $144.4K | Option Exercise | 23,750 | $6.08 | Discretionary |
| Mar 25, 2010 | ARST | $573.4K | Sale | 20,000 | $28.67 | Discretionary |
| Mar 25, 2010 | ARST | $9.6K | Option Exercise | 20,000 | $0.48 | Discretionary |
| Dec 22, 2009 | ARST | $115.0K | Option Exercise | 11,500 | $10.00 | Discretionary |
| Dec 16, 2009 | ARST | $623.0K | Sale | 25,000 | $24.92 | Discretionary |
| Dec 16, 2009 | ARST | $12.0K | Option Exercise | 25,000 | $0.48 | Discretionary |
| Sep 29, 2009 | ARST | $481.0K | Sale | 20,000 | $24.05 | Discretionary |
| Sep 29, 2009 | ARST | $3.0K | Option Exercise | 6,250 | $0.48 | Discretionary |
| Sep 29, 2009 | ARST | $3.3K | Option Exercise | 13,750 | $0.24 | Discretionary |
| Sep 9, 2009 | ARST | $4.0K | Option Exercise | 25,000 | $0.16 | Discretionary |
| Sep 9, 2009 | ARST | $1.2K | Option Exercise | 5,000 | $0.24 | Discretionary |
| Sep 9, 2009 | ARST | $679.8K | Sale | 30,000 | $22.66 | Discretionary |
| Jun 26, 2009 | ARST | $425.0K | Sale | 25,000 | $17.00 | Discretionary |
| Jun 26, 2009 | ARST | $4.0K | Option Exercise | 25,000 | $0.16 | Discretionary |
| Mar 10, 2009 | ARST | $225.6K | Sale | 20,000 | $11.28 | Discretionary |
| Dec 12, 2008 | ARST | $150.0K | Sale | 20,000 | $7.50 | Discretionary |