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^*

PAGLIA LOUIS J

(Last)

(First)

(Middle)

C/O UIL HOLDINGS CORPORATION

157 CHURCH STREET

(Street)

NEW HAVEN

06510

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
UIL HOLDINGS CORP [ UIL ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Exec VP & Chief Fincl Officer

3. Date of Earliest Transaction (Month/Day/Year)
05/31/2005

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								696.457	I	KSOP
Common Stock								3,000	D
Common Stock	05/31/2005		M		16,667	A	$36.125	19,667	D
Common Stock	05/31/2005		S		4,100	D	$52.1	15,567	D
Common Stock	05/31/2005		S		3,800	D	$52	11,767	D
Common Stock	05/31/2005		S		100	D	$52.22	11,667	D
Common Stock	05/31/2005		S		300	D	$52.36	11,367	D
Common Stock	05/31/2005		S		4,100	D	$52.2	7,267	D
Common Stock	05/31/2005		S		800	D	$52.25	6,467	D
Common Stock	05/31/2005		S		2,700	D	$52.21	3,767	D
Common Stock	05/31/2005		S		767	D	$52.31	3,000	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)
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)
Stock Options (right to buy)	$57.6							04/22/2003	04/22/2012	Common Stock	6,667		6,667	D
Stock Options (right to buy)	$57.6							04/22/2004	04/22/2012	Common Stock	6,667		6,667	D
Stock Options (right to buy)	$57.6							04/22/2005	04/22/2012	Common Stock	6,666		6,666	D
Stock Options (right to buy)	$36.125	05/31/2005		M			8,334	05/02/2004	05/02/2013	Common Stock	0	$36.125	0	D
Stock Options (right to buy)	$36.125	05/31/2005		M			8,333	05/02/2005	05/02/2013	Common Stock	0	$36.125	0	D
Stock Options (right to buy)	$36.125							05/02/2006	05/02/2013	Common Stock	8,333		8,333	D

Explanation of Responses:

	Susan E. Allen (attorney-in-fact)	06/02/2005
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.