Sec Form 4 Filing - Sweeney Brian @ CABLEVISION SYSTEMS CORP /NY - 2014-08-08

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 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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Sweeney Brian 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 X __ Officer (give title below) _____ Other (specify below) President (Last) (First) (Middle) 1111 STEWART AVENUE, 3. Date of Earliest Transaction (MM/DD/YY) 08/08/2014 (Street) BETHPAGE, NY11791 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Cablevision NY Group Class A Common Stock 08/08/2014 M 7,500 A $ 6.37 255,186 ( 1 ) D ( 2 ) Cablevision NY Group Class A Common Stock 08/08/2014 S 7,500 D $ 17.94 ( 3 ) 247,686 ( 1 ) D ( 2 ) Cablevision NY Group Class A Common Stock 46,018 ( 4 ) I ( 5 ) By spouse Cablevision NY Group Class A Common Stock 32,050 I ( 6 ) By trusts

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owne d 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 Options (Rights to Buy) $ 6.37 ( 7 ) 08/08/2014 M 7,500 ( 8 ) 10/27/2004( 9 ) 10/01/2014 Cablevision NY Group Class A Common Stock 7,500 $ 0 0 D ( 2 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Sweeney Brian 1111 STEWART AVENUE BETHPAGE, NY11791 X President DOLAN-SWEENEY DEBORAH A C/O DOLAN FAMILY OFFICE 340 CROSSWAYS PARK DRIVE WOODBURY, NY11797 X Member of 13D Group Signatures /s/ Brian G. Sweeney 08/11/2014 Signature of Reporting Person Date /s/ Brian G. Sweeney, Attorney-in-Fact for Deborah A. Dolan-Sweeney 08/11/2014 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes restricted shares. ( 2 )Securities owned directly by Mr. Brian G. Sweeney and indirectly by his spouse, Deborah A. Dolan-Sweeney. Ms. Dolan-Sweeney disclaims beneficial ownership of these securities and this report shall not be deemed an admission that she is, for the purposes of Section 16 or for any other purpose, the beneficial owner of such securities. ( 3 )This transaction was executed in multiple trades at prices ranging from $17.94 to $17.95 per share. The price reported above reflects the weighted average sale price. Mr. Sweeney hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. ( 4 )Includes restricted stock units. ( 5 )Securities owned directly by Ms. Deborah A. Dolan-Sweeney and indirectly by her spouse, Mr. Brian G. Sweeney. 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. ( 6 )Securities held by trusts for which Mr. Brian G. Sweeney serves as co-trustee. Both he and Ms. Deborah A. Dolan-Sweeney disclaim beneficial ownership of these securities and this report shall not be deemed to be an admission that they are, for the purposes of Section 16 or for any other purpose, the beneficial owners of such securities. ( 7 )Each stock option was previously reported at an exercise price of $20.46, but has been adjusted to reflect extraordinary dividends, The Madison Square Garden Company distribution and the AMC Networks, Inc. distribution. ( 8 )Exercise of options under the Company's Employee Stock Plan, exempt under Rule 16b-3. ( 9 )Options vested in three equal annual installments beginning on the date indicated.

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.