Stewart Grierson is CFO at ArcSight Inc (ARST). They have made 10 open-market trades across 3 companies since 2008, most recently 2023-05-12.
CIK 0001424704
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SUMO | SELL | 2023-03-15 | 2023-03-16 | $11.84 | $257K | +0.5% | +0.9% | N/A |
| SUMO | SELL | 2022-12-15 | 2022-12-19 | $8.30 | $921K | +0.1% | -5.6% | +47.1% |
| RKUS | SELL | 2015-02-27 | 2015-03-02 | $12.34 | $247K | -11.7% | -1.6% | -1.6% |
| ARST | SELL | 2010-03-25 | 2010-03-26 | $28.67 | $573K | N/A | N/A | N/A |
| ARST | SELL | 2009-12-16 | 2009-12-17 | $24.92 | $623K | N/A | N/A | N/A |
| ARST | SELL | 2009-09-29 | 2009-09-30 | $24.05 | $481K | N/A | N/A | N/A |
| ARST | SELL | 2009-09-09 | 2009-09-10 | $22.66 | $680K | N/A | N/A | N/A |
| ARST | SELL | 2009-06-26 | 2009-06-30 | $17.00 | $425K | N/A | N/A | N/A |
| ARST | SELL | 2009-03-10 | 2009-03-10 | $11.28 | $226K | N/A | N/A | N/A |
| ARST | SELL | 2008-12-12 | 2008-12-15 | $7.50 | $150K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.