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 * LEINWEBER LARRY D   2. Issuer Name and Ticker or Trading Symbol TYLER TECHNOLOGIES INC [TYL] 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) NEW WORLD SYSTEMS, INC, 888 WEST BIG BEAVER, SUITE 600 3. Date of Earliest Transaction (Month/Day/Year) 10/30/2017 (Street) TROY, MI 48084 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 10/30/2017   S   42,004 D $ 177.3896 (1) 1,151,684 I As Trustee (2) Common Stock 10/30/2017   S   7,996 D $ 177.3896 (3) 1,143,688 I As Trustee (4)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LEINWEBER LARRY D NEW WORLD SYSTEMS, INC 888 WEST BIG BEAVER, SUITE 600 TROY, MI 48084	X

Signatures

Larry D. Leinweber		10/31/2017
**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)	Reflects the average sales price for the reported transactions ($177.389631). The shares were sold in multiple transactions at prices ranging from $175.86 to $179.24 inclusive. The reporting person will provide the SEC staff, the Issuer, or any security holder of the Issuer, upon request for same, with the full information regarding the number of shares sold at each separate price within the range specified.
(2)	Includes shares owned directly by the reporting person as trustee for: (a) the Larry D. Leinweber Trust (33,612 shares); and (b) the Leinweber Foundation (8,392 shares). The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(3)	Reflects the average sales price for the reported transactions ($177.389631). The shares were sold in multiple transactions at prices ranging from $175.86 to $179.24 inclusive. The reporting person will provide the SEC staff, the Issuer, or any security holder of the Issuer, upon request for same, with the full information regarding the number of shares sold at each separate price within the range specified.
(4)	Includes shares owned indirectly by the reporting person's wife, Claudia Babiarz, as trustee for: (a) the Larry D. Leinweber Irrevocable Trust FBO Ashley Leinweber (2,900 shares); (b) the Leinweber Trust FBO Ashley Leinweber (1,098 shares); (c) the Larry D. Leinweber Irrevocable Trust FBO David Leinweber (2,900 shares); and (d) the Leinweber Trust FBO David Leinweber (1,098 shares). The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

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