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 *
Dorsey Jack
   2. Issuer Name and Ticker or Trading Symbol
Square, Inc. [SQ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, CEO & Chairman
(Last)
(First)
(Middle)
1455 MARKET STREET, SUITE 600		 3. Date of Earliest Transaction (Month/Day/Year)
10/17/2018
(Street)

SAN FRANCISCO, CA 94103		 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
Class A Common Stock 10/17/2018   C(1)   103,035 A $ 0 103,035 I See Footnote (2)
Class A Common Stock 10/17/2018   S(3)   40,033 D $ 76.64 (4) 63,002 I See Footnote (2)
Class A Common Stock 10/17/2018   S(3)   50,699 D $ 77.46 (5) 12,303 I See Footnote (2)
Class A Common Stock 10/17/2018   S(3)   7,803 D $ 78.22 (6) 4,500 I See Footnote (2)
Class A Common Stock 10/17/2018   S(3)   2,000 D $ 79.4 (7) 2,500 I See Footnote (2)
Class A Common Stock 10/17/2018   S(3)   2,500 D $ 80.08 (8) 0 I See Footnote (2)

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
Class B Common Stock (9) (9) 10/17/2018   C(1)     103,035   (9)   (9) Class A Common Stock 103,035 $ 0 54,406,096 I See Footnote (2)
Class B Common Stock (9) (9)               (9)   (9) Class A Common Stock 7,752,826   7,752,826 I See Footnote (10)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Dorsey Jack
1455 MARKET STREET
SUITE 600
SAN FRANCISCO, CA 94103		   X   X   President, CEO & Chairman  

Signatures

 /s/ Shahzia Rahman, Attorney-in-Fact   10/19/2018
**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) Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Jack Dorsey Revocable Trust u/a/d 12/8/10 (Dorsey Revocable Trust), for which the Reporting Person serves as Trustee.
(2) The shares are held of record by the Dorsey Revocable Trust.
(3) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Dorsey Revocable Trust.
(4) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $75.99 to $76.97 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(5) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $76.99 to $77.98 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(6) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $77.99 to $78.89 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(7) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $78.99 to $79.94 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(8) The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.26 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(9) Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.
(10) The shares are held of record by the Jack Dorsey Remainder Trust u/a/d 6/23/10, for which the Reporting Person serves as Trustee.

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