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 * Rinat Zack   2. Issuer Name and Ticker or Trading Symbol MODEL N, INC. [MODN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and Chairman (Last) (First) (Middle) C/O MODEL N, INC., 777 MARINERS ISLAND BLVD, SUITE 300 3. Date of Earliest Transaction (Month/Day/Year) 03/10/2018 (Street) SAN MATEO, CA 94404 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 03/10/2018   A   155,903 (1) A $ 0 2,682,208 (2) D   Common Stock               26,907 I By GADD, Inc. Common Stock               666,666 I By the Danielle Rinat Family Heritage Trust dated December 12, 2005 Common Stock               666,666 I By the Gahl Rinat Family Heritage Trust Dated December 12, 2005 Common Stock               36,310 I By the Gahl Rinat Trust Common Stock               36,311 I By the Danielle Rinat Trust Common Stock               1,666,666 I By the Rinat Family Trust Dated December 13, 2006

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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
Rinat Zack C/O MODEL N, INC. 777 MARINERS ISLAND BLVD, SUITE 300 SAN MATEO, CA 94404	X	X	CEO and Chairman

Signatures

Zack Rinat by Errol Hunter, Attorney-in-Fact		03/13/2018
**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)	Issuable upon vesting and satisfaction of certain performance criteria of Performance-Based Restricted Stock Units ("PB-RSUs"). Subject to the achievement of certain minimum performance criteria based upon total stockholder return, between a minimum of 0% and a maximum of 200%, the PB-RSUs will vest as to 50% on each of the second and third anniversary of the vesting commencement date until such time as the PB-RSUs are 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting if the performance criteria have been met.
(2)	Includes an additional 38,686 and 18,000 shares of common stock issued upon vesting of Performance-Based RSUs ("PB-RSUs") in connection with the achievement of 123% and 136%, respectively, of certain performance criteria related to the Reporting Person's PB-RSUs.

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