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 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Polar Asset Management Partners Inc.
   2. Issuer Name and Ticker or Trading Symbol
KBL MERGER CORP. IV [KBLM] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
401 BAY STREET, SUITE 1900, P.O. BOX 19		 3. Date of Earliest Transaction (Month/Day/Year)
03/06/2019
(Street)

TORONTO, A6 M5H 2Y4		 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, par value $0.0001 per share 03/06/2019   J(1)   1,743,550 D $ 10.3 0 I See footnote (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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
Polar Asset Management Partners Inc.
401 BAY STREET
SUITE 1900, P.O. BOX 19
TORONTO, A6 M5H 2Y4		     X    

Signatures

 /s/ POLAR ASSET MANAGEMENT PARTNERS INC., by Greg Lemaich, General Counsel   03/08/2019
**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) On March 5, 2019, KBL Merger Corp. IV (the "Issuer") held a special meeting of stockholders (the "Meeting"), as described in the Issuer's Current Report on 8-K filed with the SEC on March 8, 2019. At the Meeting, the stockholders approved an amendment to the Issuer's Charter, extending the date by which the Issuer must consummate its initial business combination and the date for cessation of the Issuer's operations if it has not completed an initial business combination (the "Extension Amendment Proposal"). In connection with the approval of the Extension Amendment Proposal, the Reporting Person (as defined below) redeemed all common shares of the Issuer held by the Polar Vehicles (as defined below).
(2) Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, (the "Reporting Person") serves as investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF") and certain managed accounts (together with PMSMF, the "Polar Vehicles") and has sole voting and investment discretion with respect to the securities reported herein which are held by the Polar Vehicles. The Reporting Person disclaims beneficial ownership of the securities reported herein, and this report shall not be deemed an admission that Reporting Person is the beneficial owner of the securities reported herein for the purpose of Section 16 of the Securities and Exchange Act of 1934, as amended, or for any other purpose, except to the extent of Reporting Person's pecuniary interest therein.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.