CorMedix Inc. — Major Shareholding Notification 2011

Mar 23, 2011

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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

CORMEDIX INC.

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

21900C100

(CUSIP Number)

December 31, 2010

(Date of Event Which Requires Filing of this Statement)

David B. Clement, Esq. Smith, Anderson, Blount, Dorsett, Mitchell & Jernigan, L.L.P. 2500 Wachovia Capitol Center 150 Fayetteville Street Raleigh, North Carolina 27601 (919) 821-1220 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

o Rule 13d-1(c)

þ Rule 13d-1(d)

• 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 the disclosures provided in a prior cover page.

The information required in 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).

(Continued on following page(s))

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CUSIP No. 21900C100 Schedule 13G Page 2 of 3 Pages

| 1 | NAME OF REPORTING
PERSON PharmaBio Development Inc. | |
| --- | --- | --- |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | |
| | (a) o | |
| | (b) o | |
| 3 | SEC USE ONLY | |
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | |
| | North Carolina | |
| | 5 | SOLE VOTING POWER |
| NUMBER OF | | 1,184,344 (1) |
| SHARES | 6 | SHARED VOTING POWER |
| BENEFICIALLY | | |
| OWNED BY | | -0- |
| EACH | 7 | SOLE DISPOSITIVE POWER |
| REPORTING | | |
| PERSON | | 1,184,344 (1) |
| WITH | 8 | SHARED DISPOSITIVE POWER |
| | | -0- |
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,184,344 (1) | |
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | |
| | o | |
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 | |
| | 10.0% (2) | |
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

1 Includes 789,563 shares of common stock (the “Common Stock”) of CorMedix Inc. (the “Issuer”) beneficially owned by PharmaBio Development Inc. (“PharmaBio”) and warrants beneficially owned by PharmaBio that are exercisable for 394,781 shares of Common Stock. Therefore, the total shares of Common Stock of the Issuer beneficially owned by PharmaBio is 1,184,344.

2 Calculated based on 11,408,274 shares of outstanding Common Stock of the Issuer on March 10, 2011, as reported in the Issuer’s Annual Report on Form 10-K for the period ending December 31, 2010 and filed with the Securities and Exchange Commission on March 11, 2011.

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CUSIP No. 21900C100 Schedule 13G Page 3 of 3 Pages

Item 1
	(a) Name of Issuer
	CorMedix Inc. (the “Issuer”)
	(b) Address of Issuer’s Principal Executive Offices
	745 Rt. 202-206 Suite 303 Bridgewater, New Jersey 08807
Item 2
	(a) Name of Person Filing
	PharmaBio Development Inc.
	(b) Address of Principal Business Office or, if none, Residence
	4208 Six Forks Road Suite 920 Raleigh, NC 27609
	(c) Citizenship
	PharmaBio Development Inc. is a North Carolina corporation.
	(d) Title of Class of Securities
	Common stock, par value $0.001 per share (“Common Stock”).
	(e) CUSIP Number
	21900C100
Item 3
	Not Applicable
Item 4	Ownership
	(a) Amount Beneficially Owned
	Includes 789,563 shares of common stock of the Issuer beneficially owned by PharmaBio and
warrants beneficially owned by PharmaBio that are exercisable 394,781 shares of Common
Stock. Therefore, the total shares of common stock of the Issuer beneficially owned by
PharmaBio is 1,184,344.
	(b) Percent of Class :
	For PharmaBio, such 1,184,344 shares are 10.0% of the Issuer’s common stock based on the
11,408,174 shares of outstanding Common Stock of the Issuer on March 10, 2011, as reported
in the

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CUSIP No. 21900C100 Schedule 13G Page 4 of 3 Pages

| Issuer’s Annual Report on Form 10-K for the period ending December 31, 2010 and filed
with the Securities and Exchange Commission on March 11, 2011. |
| --- |
| (c) Number of Shares as to which such Person has : |
| PharmaBio: |

(i)	sole power to vote or to direct the vote: 1,184,344
(ii)	shared power to vote or to direct the vote: 0
(iii)	sole power to dispose or to direct the disposition of: 1,184,344
(iv)	shared power to dispose or to direct the disposition of: 0

Item 5	Ownership of Five Percent or Less of a Class
	If this statement is being filed to report the fact that as of the date hereof the
reporting person has ceased to be the beneficial owner of more than five percent of the
class of securities, check the following: [ ]
Item 6	Ownership of More than Five Percent on Behalf of Another Person
	Not Applicable
Item 7	Identification and Classification of the Subsidiary Which Acquired the Security Being
Reported on By the Parent Holding Company
	Not Applicable
Item 8	Identification and Classification of Members of the Group
	Not Applicable
Item 9	Notice of Dissolution of Group
	Not Applicable
Item 10	Certification
	By signing below I certify that, to the best of my knowledge and belief, the securities
referred to above were not acquired and are not held for the purpose of or with the effect
of changing or influencing the control of the Issuer of the securities and were not acquired
and are not held in connection with or as a participant in any transaction having that
purpose or effect.

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CUSIP No. 21900C100 Schedule 13G Page 5 of 3 Pages

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.

Date: March 23, 2011

/s/ Michael P. Troullis
Name:	Michael P. Troullis
Title:	President

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