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

1. Name and Address of Reporting Person *

DOLAN-SWEENEY DEBORAH A 		2. Issuer Name and Ticker or Trading Symbol

CABLEVISION SYSTEMS CORP /NY [ CVC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      __ X __ Other (specify below)
Member of 13D Group
(Last)          (First)          (Middle)

C/O DOLAN FAMILY OFFICE, 340 CROSSWAYS PARK DRIVE 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/21/2015
(Street)

WOODBURY, NY 11797
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

___ Form filed by One Reporting Person
_ X _ 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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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
Cablevision NY Group Class A Common Stock   5/21/2015     A    6088   (1) A $0.00   52106   (2) D   (3)  
Cablevision NY Group Class A Common Stock                  320043   (4) I   (5) By spouse  
Cablevision NY Group Class A Common Stock                  32050   I   (6) By trusts  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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

Explanation of Responses:
( 1)  Grant of restricted stock units under the 2006 Stock Plan for Non-Employee Directors, exempt pursuant to Rule 16b-3. All the units are fully vested on the date of grant and are settled in stock (one share of Class A common stock for each unit) 90 days after the termination of service on the Board of Directors.
( 2)  Includes restricted stock units.
( 3)  Securities held directly by Ms. Deborah Dolan-Sweeney, Mr. Brian G. Sweeney's spouse. Mr. Sweeney disclaims beneficial ownership of these securities and this report shall not be deemed an admission that he is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities.
( 4)  Includes restricted shares.
( 5)  Securities held directly by Ms. Deborah Dolan-Sweeney's spouse, Brian G. Sweeney. Ms. Dolan-Sweeney disclaims beneficial ownership of these securities and this report shall not be deemed to be an admission that she is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
( 6)  Securities held in trusts for which Mr. Sweeney serves as co-trustee. Both he and Ms. Dolan-Sweeney disclaim beneficial ownership of these securities and this report shall not be deemed an admission that they are the beneficial owners of such securities for purposes of Section 16 or for any other purpose.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
DOLAN-SWEENEY DEBORAH A
C/O DOLAN FAMILY OFFICE
340 CROSSWAYS PARK DRIVE
WOODBURY, NY 11797 		X

Member of 13D Group
Sweeney Brian
1111 STEWART AVENUE
BETHPAGE, NY 11714 		X
President and CFO

Signatures
/s/ Brian G. Sweeney, attorney-in-fact for Deborah A. Dolan-Sweeney 5/22/2015
** Signature of Reporting Person Date

/s/ Brian G. Sweeney 5/22/2015
** 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 control number.
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