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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(Print or Type Responses)
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 (Month/Day/Year)
08/08/2014
(Street)

BETHPAGE, NY 11791
4. If Amendment, Date Original Filed(Month/Day/Year)
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 (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)
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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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, NY 11791
  X     President  
DOLAN-SWEENEY DEBORAH A
C/O DOLAN FAMILY OFFICE
340 CROSSWAYS PARK DRIVE
WOODBURY, NY 11797
  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:

* 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) 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.

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