Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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 (MM/DD/YYYY) 5/9/2018
(Street) PALMOUTH, ME 04105 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	2/26/2019		M		7200	A	(1)	304130	I	See footnote (2)   (2)
Common Stock	2/26/2019		F		2727	D	$205.5	301403	I	See footnote (3)   (3)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)	5/9/2018		A		36000		(5)	(5)	Common Stock	36000	$0	36000	D
Restricted Stock Unit	(1)	2/26/2019		M		7200		(5)	(5)	Common Stock	7200	$0	28800	D

Explanation of Responses:
(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.)

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.		2/28/2019
** Signature of Reporting Person		Date

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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.