Marc Grandisson is CEO & President at ARCH CAPITAL GROUP LTD. (ACGL). They have made 25 open-market trades across 2 companies since 2011, most recently 2026-09-23.
CIK 0001286007
2 open-market purchases totalling $2.2M since 2020, against 23 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| ACGL | 275,784 | $27.9M |
| HHH | 96,943 | $6.7M |
| Total | $34.6M |
Shares reported on the most recent Form 4, priced at the 2026-09-24 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| HHH | BUY | 2026-09-23 | 2026-09-24 | $64.12 | $1.6M | +10.3% | — | — |
| ACGL | SELL | 2023-11-03 | 2023-11-07 | $85.44 | $59.8M | -2.0% | -8.2% | -1.9% |
| ACGL | SELL | 2023-05-19 | 2023-05-23 | $76.10 | $30.4M | -1.9% | -0.1% | +3.1% |
| ACGL | BUY | 2020-05-18 | 2020-05-20 | $24.50 | $576K | +14.5% | +10.5% | +19.0% |
| ACGL | SELL | 2019-08-19 | 2019-08-21 | $40.05 | $3.1M | +0.8% | +3.0% | +4.2% |
| ACGL | SELL | 2019-05-14 | 2019-05-15 | $33.92 | $2.5M | -0.5% | +4.2% | +15.7% |
| ACGL | SELL | 2019-05-06 | 2019-05-06 | $33.86 | $3.8M | +1.5% | +4.1% | +11.1% |
| ACGL | SELL | 2017-02-28 | 2017-03-02 | $94.54 | $4.4M | +0.5% | -0.4% | +2.8% |
| ACGL | SELL | 2016-02-18 | 2016-02-22 | $68.62 | $4.1M | +1.9% | +3.5% | +3.8% |
| ACGL | SELL | 2015-11-12 | 2015-11-16 | $73.81 | $1.3M | -2.8% | +0.0% | -0.3% |
| ACGL | SELL | 2015-11-09 | 2015-11-12 | $74.41 | $1.9M | -2.8% | +0.0% | +0.1% |
| ACGL | SELL | 2015-10-30 | 2015-11-03 | $74.95 | $750K | -2.8% | +0.0% | -1.2% |
| ACGL | SELL | 2015-05-19 | 2015-05-21 | $64.82 | $2.4M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-06-02 | 2014-06-04 | $57.05 | $856K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-03-12 | 2014-03-14 | $57.25 | $246K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-03-10 | 2014-03-12 | $57.16 | $3.2M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-03-06 | 2014-03-10 | $56.67 | $374K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-03-04 | 2014-03-06 | $56.27 | $1.3M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2014-02-28 | 2014-03-03 | $56.19 | $1.7M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2013-08-16 | 2013-08-19 | $53.51 | $386K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2012-06-06 | 2012-06-08 | $38.00 | $2.9M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2012-06-01 | 2012-06-05 | $38.00 | $22K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2012-05-31 | 2012-06-01 | $38.01 | $760K | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2011-09-14 | 2011-09-15 | $33.29 | $1.7M | -2.8% | +0.0% | +0.0% |
| ACGL | SELL | 2011-04-27 | 2011-04-29 | $102.50 | $2.0M | -2.8% | +0.0% | +0.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.