SCHEDULE 13D

AMENDMENT NO. 1

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.‘

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP NO. 21640C105

1	NAMES OF REPORTING PERSONS
	S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
	Carlos Felipe Rezk
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	PF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			768,722 common shares
		8	SHARED VOTING POWER
			0
		9	SOLE DISPOSITIVE POWER
			768,722 common shares
		10	SHARED DISPOSITIVE POWER
			0
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	768,722 common shares, which includes 361,018 unexercised warrants
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	8.26%* * The percentages used herein are calculated based upon 8,948,769 outstanding shares of the Issuer as of August 14, 2019, plus 361,018 common shares in aggregate underlying warrants which are beneficially owned by the Reporting Person and included pursuant to Rule 13d-3(d)(1)(i) of the Securities Exchange Act of 1934, as amended.
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

SCHEDULE 13D

 

CUSIP NO. 21640C105

Introductory Note

This Amendment No. 1 (“Amendment No. 1”) amends and supplements the Schedule 13D of Carlos Felipe Rezk (the “Reporting Person”) filed with the Securities and Exchange Commission on July 8, 2019 (“Original Schedule 13D”).  Except as specifically provided herein, this Amendment No. 1 does not modify any of the information previously reported in the Original Schedule 13D.  Capitalized terms used but not defined in this Amendment No. 1 shall have the meanings described in the Original Schedule 13D.

Item 5.  Interest in Securities of the Issuer. Between September 10, 2019, and September 16, 2019, the Reporting Person disposed of 370,000 common shares of the Issuer.  The Reporting Person’s holdings as of September 16, 2019 are set forth below:

-    250,000 common shares 
-    157,704 common shares held indirectly through ICFR LLC, a Florida limited liability company
-    Warrants held indirectly through ICFR LLC, exercisable for 361,018 common shares
 
Total:  768,722 common shares

As of September 16, 2019, the Reporting Person holds 8.26% of the Issuer’s outstanding shares, based on 8,948,769 shares outstanding as of August 14, 2019, together with 361,018 warrants held by the Reporting Person and included pursuant to Rule 13d-3(d)(1). SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

		/s/ Carlos Felipe Rezk
		Carlos Felipe Rezk