SEC FORM 4

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^*

Donnini David

(Last)

(First)

(Middle)

C/O SYNIVERSE HOLDINGS, INC.

8125 HIGHWOODS PALM WAY

(Street)

TAMPA

33647

(City)

(State)

(Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/07/2008

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)
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	03/07/2008		S⁽¹⁾		691	D	$16.66	116,628	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,975	D	$16.65	114,653	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		988	D	$16.63	113,665	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		297	D	$16.62	113,368	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		592	D	$16.61	112,776	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,185	D	$16.6	111,591	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		537	D	$16.59	111,054	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,482	D	$16.58	109,572	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,383	D	$16.57	108,189	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,680	D	$16.56	106,509	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		790	D	$16.55	105,719	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		2,722	D	$16.54	102,997	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,975	D	$16.53	101,022	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,482	D	$16.52	99,540	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,383	D	$16.51	98,157	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		6,479	D	$16.5	91,678	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		99	D	$16.49	91,579	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		99	D	$16.48	91,480	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		1,284	D	$16.47	90,196	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽¹⁾		198	D	$16.46	89,998	I	See footnotes⁽²⁾⁽³⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		1	D	$16.66	152	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		3	D	$16.65	149	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		1	D	$16.63	148	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		1	D	$16.61	147	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		2	D	$16.6	145	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		1	D	$16.59	144	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		2	D	$16.58	142	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		2	D	$16.57	140	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		2	D	$16.56	138	I	See footnotes⁽²⁾⁽⁵⁾
Common Stock, par value $0.001 per share	03/07/2008		S⁽⁴⁾		1	D	$16.55	137	I	See footnotes⁽²⁾⁽⁵⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares were received by GTCR Partners VII, L.P. ("GTCR Partners VII") on February 26, 2008 as a result of a pro rata distribution from GTCR Fund VII, L.P. and GTCR Fund VII/A, L.P. This transaction was exempt from Section 16 pursuant to Rule 16a-13.

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 Partners VII. GTCR Golder Rauner, L.L.C. ("GTCR") is the general partner of GTCR Partners VII. As such, GTCR may be deemed to be the beneficial owner of such shares. 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 Partners VII to the extent of the Reporting Person's indirect proportionate interest in GTCR Partners VII.

4. Shares were received by GTCR Mezzanine Partners, L.P. ("Mezzanine Partners") on February 26, 2008 as a result of a pro rata distribution from GTCR Capital Partners, L.P. This transaction was exempt from Section 16 pursuant to Rule 16a-13.

5. Reflects shares held directly by Mezzanine Partners. GTCR Partners VI, L.P. ("GTCR Partners VI") is the general partner of Mezzanine Partners. GTCR is the general partner of GTCR Partners VI. As such, GTCR may be deemed to be the beneficial owner of such shares. 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 Mezzanine Partners to the extent of the Reporting Person's indirect proportionate interest in Mezzanine Partners.

	/s/ Jody S. Gale under a Power of Attorney	03/11/2008
	** 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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