HOOD WILLIAM K [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	5k	$42.00	$210k	12/15/2011
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	5k	$42.09	$210.4k	12/15/2011
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	5k	$42.10	$210.5k	12/15/2011
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	2.5k	$42.15	$105.4k	12/15/2011
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	2.5k	$42.11	$105.3k	12/15/2011
12/15/2011	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	2.9k	$42.04	$122.5k	12/15/2011
05/10/2010	SIRONA DENTAL SYSTEMS, INC.	SIRO	Grant	Common Stock	5k	$0.00	$0	05/10/2010
12/10/2009	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	2.2k	$35.00	$77.5k	12/08/2009
12/08/2009	SIRONA DENTAL SYSTEMS, INC.	SIRO	Sale	Common Stock	5k	$34.39	$172k	12/08/2009