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 *
MILLER LLOYD I III
   2. Issuer Name and Ticker or Trading Symbol
STAMPS.COM INC [STMP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3300 SOUTH DIXIE HIGHWAY, SUITE 1-365		 3. Date of Earliest Transaction (Month/Day/Year)
08/07/2015
(Street)

WEST PALM BEACH, FL 33405		 4. If Amendment, Date 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
(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
Common Stock 08/07/2015   S(1)   4,647 D $ 82.5275 (2) 46,839 (3) I By Milfam I L.P.
Common Stock 08/07/2015   S(1)   12,877 D $ 82.5275 (2) 129,785 (3) I By Trust A-4 - Lloyd I. Miller
Common Stock 08/07/2015   S(1)   24,926 D $ 82.5275 (2) 251,212 (3) I By Milfam II L.P.
Common Stock 08/07/2015   S(1)   9,002 D $ 82.5275 (2) 90,730 (3) I By Trust Account
Common Stock 08/07/2015   S(1)   15,048 D $ 82.5275 (2) 208,658 D  
Common Stock               34,539 (3) I By Milgrat (Z9)
Common Stock               9,381 (3) I By Trust C - Lloyd I. Miller
Common Stock               1,000 (3) I By Lloyd I. Miller, IV brokerage account
Common Stock               1,000 (3) I By AMIL of Ohio, LLC

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
Stock Option (Common Stock) $ 23.38             06/07/2006 06/07/2016 Common Stock 5,000   5,000 D  
Stock Option (Common Stock) $ 13.1             06/06/2007 06/06/2017 Common Stock 5,000   10,000 D  
Stock Option (Common Stock) $ 13.1             05/22/2008 05/22/2018 Common Stock 5,000   15,000 D  
Stock Option (Common Stock) $ 10.55             06/16/2010 06/16/2020 Common Stock 5,000   20,000 D  
Stock Option (Common Stock) $ 12.33             06/15/2011 06/15/2021 Common Stock 5,000   25,000 D  
Stock Option (Common Stock) $ 23.18             06/13/2012 06/13/2022 Common Stock 5,000   30,000 D  
Stock Option (Common Stock) $ 37.19             06/12/2013 06/12/2023 Common Stock 5,000   35,000 D  
Stock Option (Common Stock) $ 34.03             06/11/2014 06/11/2024 Common Stock 5,000   40,000 D  
Stock Option (Common Stock) $ 70.77             06/17/2015 06/17/2025 Common Stock 5,000   45,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MILLER LLOYD I III
3300 SOUTH DIXIE HIGHWAY
SUITE 1-365
WEST PALM BEACH, FL 33405		   X      

Signatures

 /s/ David J. Hoyt Attorney-in-fact   08/11/2015
**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) This sale was executed pursuant to a pre-arranged trading plan compliant with Rule 10b5-1.
(2) The price in Column 4 is a weighted average price. The prices actually paid ranged from $80.00 to $85.24 per share. The reporting person will provide the Issuer, any security holder of the Issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price within the range.
(3) The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. This filing shall not be deemed an admission that the reporting person is, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this filing.

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