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 *
MARR JOHN S JR
  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
__X__ Officer (give title below) _____ Other (specify below)
Executive Chairman
(Last)
(First)
(Middle)
370 US ROUTE 1
3. Date of Earliest Transaction (Month/Day/Year)
05/09/2018
(Street)

PALMOUTH, ME 04105
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 02/26/2019   M   7,200 A (1) 304,130 I See footnote (2) (2)
Common Stock 02/26/2019   F   2,727 D $ 205.5 301,403 I See footnote (3) (3)

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
Restricted Stock Unit (4) 05/09/2018   A   36,000     (5)   (5) Common Stock 36,000 $ 0 36,000 D  
Restricted Stock Unit (1) 02/26/2019   M   7,200     (5)   (5) Common Stock 7,200 $ 0 28,800 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MARR JOHN S JR
370 US ROUTE 1
PALMOUTH, ME 04105
  X     Executive Chairman  

Signatures

 John S. Marr, Jr.   02/28/2019
**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) Restricted stock units convert into common stock on a one-for-one basis.
(2) Includes shares owned both directly and indirectly by the reporting person, as follows: (a) 229,130 shares owned directly; (b) 15,500 shares owned indirectly, which are held in a descendant's trust in which Mr. Marr is deemed to have shared voting and/or dispositive power; and (c) 59,500 shares owned indirectly, which are held in a partnership in which Mr. Marr is the general partner (the partnership is owned 99% by a trust in which Mr. Marr's children are the beneficiaries and 1% by the general partner). The reporting person disclaims beneficial ownership of the securities identified as owned indirectly except to the extent of his pecuniary interest therein.
(3) Includes shares owned both directly and indirectly by the reporting person, as follows: (a) 226,403 shares owned directly; (b) 15,500 shares owned indirectly, which are held in a descendant's trust in which Mr. Marr is deemed to have shared voting and/or dispositive power; and (c) 59,500 shares owned indirectly, which are held in a partnership in which Mr. Marr is the general partner (the partnership is owned 99% by a trust in which Mr. Marr's children are the beneficiaries and 1% by the general partner). The reporting person disclaims beneficial ownership of the securities identified as owned indirectly except to the extent of this pecuniary interest therein.
(4) Each performance-based restricted stock unit represents a contingent right to receive one share of issuer common stock.
(5) On May 9, 2018, the reporting person was granted 36,000 restricted stock units, which vest in equal installments on the first, second, third, fourth and fifth anniversaries of the vesting commencement date of February 26, 2018m and which will be settled by the Issuer on the respective anniversary dates, subject to the terms and conditions of the Issuer's 2018 Stock Incentive Plan. (The grant was disclosed in the Issuer's Current Report on Form 8-K filed with the Commission on March 9, 2018 and in the Issuer's 2018 Proxy Statement, contingent upon the stockholders' adoption of the 2018 Stock Incentive Plan, which occurred on May 9, 2018.)

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