Sirona Dental Systems (SIRO) Form 4 SIRONA DENTAL SYSTEMS / Stephan Mitsdoerffer ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Mitsdoerffer Stephan

(Last) (First) (Middle)

SIRONA DENTAL SYSTEMS, INC.

30-30 47TH AVENUE, SUITE 500

(Street)

LONG ISLAND CITY NY 11101

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SIRONA DENTAL SYSTEMS, INC. [ SIRO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/22/2016

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/22/2016		M		307	A	$86	11,956	D
Common Stock	02/22/2016		S		307	D	$103	11,649	D
Common Stock	02/23/2016		M		250	A	$62.2	11,899	D
Common Stock	02/23/2016		M		300	A	$67.59	12,199	D
Common Stock	02/23/2016		M		136	A	$86	12,335	D
Common Stock	02/23/2016		S		1,800	D	$103	10,535	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (right to buy)	$86	02/22/2016		M			307	(1)	11/25/2024	Common Stock	307	$0.00	1,465	D
Option (right to buy)	$62.2	02/23/2016		M			250	(2)	11/20/2022	Common Stock	250	$0.00	250	D
Option (right to buy)	$67.59	02/23/2016		M			300	(3)	11/26/2023	Common Stock	300	$0.00	600	D
Option (right to buy)	$86	02/23/2016		M			136	(1)	11/25/2024	Common Stock	136	$0.00	1,329	D

Explanation of Responses:

1. The aggregate 1,772 options originally granted vest as follows: 25% on 11/25/2015, 25% on 11/25/2016, 20% on 11/25/2017, 20% on 11/25/2018 and the final 10% on 11/25/2019.

2. The aggregate 1,000 options originally granted vest as follows: 25% on 11/20/2013, 25% on 11/20/2014, 25% on 11/20/2015 and the final 25% on 11/20/2016.

3. The aggregate 1,200 options originally granted vest as follows: 25% on 11/26/2014, 25% on 11/26/2015, 25% on 11/26/2016 and the final 25% on 11/26/2017.

Remarks:

	Stephan Mitsdoerffer, by Michael Friedlander, Attorney-In-Fact	02/24/2016
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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