SIRONA DENTAL SYSTEMS, INC.

Q: Dec 31 2015

FY: Sep 30 2015

FY: Sep 30 2015

Q: Jun 30 2015

Q: Mar 31 2015

Q: Dec 31 2014

FY: Sep 30 2014

Q: Jun 30 2014

Q: Mar 31 2014

Q: Dec 31 2013

FY: Sep 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

Q: Dec 31 2012

FY: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

Q: Dec 31 2011

FY: Sep 30 2011

Q: Jun 30 2011

2.01,3.01,3.03,5.01,5.02,5.03,8.01,9.01

2.02,9.01

5.07,8.01,9.01

5.02,9.01

8.01,9.01

2.02,9.01

1.01,5.02,5.03,9.01

Other Events

2.02,9.01

2.02,9.01

5.07

2.02,9.01

2.02,9.01

2.02,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

2.02,9.01

2.02,9.01

2.02,9.01

Certification of termination of registration of a class of securities (Section 12(g))

Notice of Effectiveness

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Post-effective amendment to a registration statement

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

No description available

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Mitsdoerffer Stephan

SULLIVAN TIMOTHY P

SLOVIN JEFFREY

Michel Ulrich

Petersohn Walter

Berthan Rainer

Augins Michael

Friedman Jonathan I

BEECKEN DAVID

HOOD WILLIAM K

KRAEMER HARRY M JANSEN JR

Jetter Thomas

Kowaloff Arthur D

Michel Ulrich

Mitsdoerffer Stephan

SLOVIN JEFFREY

GENERATION INVESTMENT MANAGEMENT LLP

RUANE, CUNNIFF & GOLDFARB INC

VANGUARD GROUP INC

none

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Annual Report Scanned (Paper)

No description available

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC