自社株取引日	役員・従業員名	役員・従業員の役職	株式の種類	売却／購入	株数	株価
2004-02-26	RATHGEBER, JOHN F	Officer of subsidiary	普通株式	売却	195	$42.00
2004-02-26	RATHGEBER, JOHN F	Officer of subsidiary	普通株式	購入	2,387	$
2004-02-26	JONES, RALPH E III	Pres&CEO Arch Ins. Group Inc.	譲渡制限付株式ユニット	購入	3,571	$
2004-02-26	IORDANOU, CONSTANTINE	Director, President & CEO	普通株式	購入	17,857	$
2004-02-26	EVANS, DWIGHT R	Officer of subsidiary	普通株式	購入	4,024	$
2004-02-26	RATHGEBER, JOHN F	Officer of subsidiary	普通株式	売却	195	$41.08
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	1,800	$41.15
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	1,000	$41.40
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	400	$41.39
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	500	$41.39
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	400	$41.45
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	200	$41.43
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	100	$41.24
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	100	$41.23
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	100	$41.22
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	200	$41.22
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	600	$41.21
2004-02-23	CLEMENTS, ROBERT	Director, Chairman of the Board of Direc	普通株式	売却	1,600	$41.20