FORM 5
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
[ ] Form 3 Holdings Reported
[ ] Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

                                                                                  

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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 *

MILLS WILLIAM KARL

2. Issuer Name and Ticker or Trading Symbol

VERTICAL COMPUTER SYSTEMS INC [VCSY]

5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Secretary

(Last)          (First)          (Middle)

101 WEST RENNER ROAD,  SUITE 300

3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY)
12/31/2017 
(Street)

RICHARDSON, TX 75082

(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)
Amount (A) or (D) Price
Common Stock                 5250000   D    
Common Stock                 1083333   I   Owned by Parker Mills, LLP  

Table II - Derivative Securities Acquired, Disposed of, or 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
(MM/DD/YYYY)
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 at End of Issuer's Fiscal Year
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrant (Right to Buy)   $0.10                 12/31/2015   12/31/2018   Common Stock   1000000     1000000   I   Owned by Parker Mills, LLP  

Explanation of Responses:

Remarks:
William Mills owns 5,250,000 shares of common stock of Vertical Computer Systems, Inc. (the "Company"). Parker Mills, LLP ("Parker Mills") owns 1,083,333 shares of common stock of Vertical Computer Systems, Inc. (the "Issuer") and a 3 year warrant to purchase 1,000,000 shares of the Company's stock at an exercise price of $0.10 per share. William Mills is a partner of Parker Mills and the Secretary and a Director of the Company.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MILLS WILLIAM KARL
101 WEST RENNER ROAD
SUITE 300
RICHARDSON, TX 75082
X
Secretary

Signatures
/s/ William Karl Mills 3/19/2018
** 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.