Sec Form 4/A Filing - BOUCK STEVEN F @ WASTE CONNECTIONS, INC. - 2012-12-07

FORM 4/A 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

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1. Name and Address of Reporting Person BOUCK STEVEN F 2. Issuer Name and Ticker or Trading Symbol WASTE CONNECTIONS, INC. [ WCN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President (Last) (First) (Middle) 10001 WOODLOCH FOREST DRIVE, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 12/07/2012 (Street) THE WOODLANDS, TX77380 4. If Amendment, Date Original Filed (MM/DD/YY) 12/11/2012 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 Common Stock 12/07/2012 M 15,000 A $ 15.45 250,373 D Common Stock 12/07/2012 S 15,000 D $ 33.3842 235,373 D Common Stock 12/10/2012 M 20,991 A $ 15.45 256,364 D Common Stock 12/10/2012 S 20,991 D $ 33.4538 235,373 D Common Stock 12/10/2012 S 30,000 D $ 33.4538 205,373 D Common Stock ( 3 ) 12/07/2012 S 15,000 D $ 33.3842 190,373 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 (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 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 Employee Stock Option (Right to Buy) $ 15.45 12/07/2012 M 15,000 ( 2 ) 10/27/2005 02/14/2016 Common Stock 15,000 ( 2 ) $ 0 ( 1 ) 20,991 D Employee Stock Option (Right to Buy) $ 15.45 12/10/2012 M 20,991 ( 2 ) 10/27/2005 02/14/2016 Common Stock 20,991 ( 2 ) $ 0 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BOUCK STEVEN F 10001 WOODLOCH FOREST DRIVE SUITE 400 THE WOODLANDS, TX77380 President Signatures Steve Bouck 12/11/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The zero in Table II, Column 8 is a placeholder only that is required by the EDGAR software and should be disregarded. ( 2 )This option was previously reported as an option for 15,996 shares of common stock at an exercise price of $34.76 per share, but was adjusted to reflect WCI's 3-for-2 stock splits in the form of 50% stock dividends effective June 24, 2004, March 13, 2007 and November 12, 2010. Accordingly, on November 12, 2010, the date the stock dividend was paid, the option became exercisable for 35,991 shares an an exercise price of $15.45 per share. ( 3 )Additional share sale on 12/7/12 not shown on originally filed form 4

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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