Edgar Filing: SYNIVERSE HOLDINGS INC

Ownership Submission

FORM 4

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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3235-0287

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Donnini David

2. Issuer Name and Ticker or Trading Symbol
SYNIVERSE HOLDINGS INC [SVR]

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

__X__ Director	_____ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

C/O SYNIVERSE HOLDINGS, INC., 8125 HIGHWOODS PALM WAY

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2008

(Street)

TAMPA, FL 33647

4. If Amendment, Date 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

(City)

(State)

(Zip)

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.001 per share	08/18/2008		S		14 ⁽¹⁾	D	$ 17.25	6,533	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/18/2008		S		6 ⁽¹⁾	D	$ 17.08	6,527	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/18/2008		S		1 ⁽¹⁾	D	$ 17.06	6,526	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/18/2008		S		3 ⁽¹⁾	D	$ 17.04	6,523	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		6 ⁽¹⁾	D	$ 17.53	6,517	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		2 ⁽¹⁾	D	$ 17.52	6,515	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		47 ⁽¹⁾	D	$ 17.51	6,468	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		1 ⁽¹⁾	D	$ 17.5	6,467	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		27 ⁽¹⁾	D	$ 17.49	6,440	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		1 ⁽¹⁾	D	$ 17.48	6,439	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		16 ⁽¹⁾	D	$ 17.47	6,423	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		51 ⁽¹⁾	D	$ 17.46	6,372	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		148 ⁽¹⁾	D	$ 17.45	6,224	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		1 ⁽¹⁾	D	$ 17.42	6,223	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		19 ⁽¹⁾	D	$ 17.41	6,204	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		126 ⁽¹⁾	D	$ 17.4	6,078	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		56 ⁽¹⁾	D	$ 17.35	6,022	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		100 ⁽¹⁾	D	$ 17.3	5,922	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		10 ⁽¹⁾	D	$ 17.28	5,912	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		46 ⁽¹⁾	D	$ 17.25	5,866	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		133 ⁽¹⁾	D	$ 17.2	5,733	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		7 ⁽¹⁾	D	$ 17.19	5,726	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		22 ⁽¹⁾	D	$ 17.18	5,704	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		8 ⁽¹⁾	D	$ 17.17	5,696	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		1 ⁽¹⁾	D	$ 17.165	5,695	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		7 ⁽¹⁾	D	$ 17.16	5,688	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		2 ⁽¹⁾	D	$ 17.155	5,686	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		93 ⁽¹⁾	D	$ 17.15	5,593	I	See footnotes ⁽²⁾ ⁽³⁾
Common Stock, par value $0.001 per share	08/19/2008		S		1 ⁽¹⁾	D	$ 17.145	5,592	I	See footnotes ⁽²⁾ ⁽³⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Donnini David C/O SYNIVERSE HOLDINGS, INC. 8125 HIGHWOODS PALM WAY TAMPA, FL 33647	X

Signatures

/s/ Jody S. Gale under a Power of Attorney		08/20/2008
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Reflects shares received by GTCR Golder Rauner, L.L.C. ("GTCR") as a result of pro rata distributions from GTCR Co-Invest, L.P. that were exempt from Section 16 of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16a-13 promulgated thereunder.
(2)	The Reporting Person expressly disclaims beneficial ownership of the shares reported in Table I, except to the extent of his pecuniary interest therein. The filing of this form shall not be deemed an admission that the Reporting Person is, for Section 16 purposes or otherwise, the beneficial owner of such shares.
(3)	Reflects shares held directly by GTCR. GTCR is managed by its members. The Reporting Person is a member of GTCR and may be deemed to have an indirect pecuniary interest in the shares owned by GTCR to the extent of the Reporting Person's indirect proportionate interest in GTCR.
Remarks: This is 4 of 5 reports relating to sale transactions occurring on August 18, 2008 and August 19, 2008.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.