SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Essetifin SPA

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
REGENERX BIOPHARMACEUTICALS INC [ RGRX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/27/2018
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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. 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 09/27/2018 C 3,133,681(1) A $0.06(1) 34,989,080 D(1)(2)
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 Securities Underlying Derivative Security (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: 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
Convertible Promissory Note (right to buy) $0.06(1) 09/27/2018 C $150,000(1) 09/12/2013 (1) Common Stock 3,133,681(1) $150,000(1) 0 D(1)
1. Name and Address of Reporting Person*
Essetifin SPA

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
CAVAZZA PAOLO

(Last) (First) (Middle)
VIA TESSERETE, 10

(Street)
LUGANO V8 00000

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Cavazza Enrico

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Cavazza Francesca

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Cavazza Silvia

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Cavazza Preta Martina

(Last) (First) (Middle)
VIA SUDAFRICA, 20

(Street)
ROME L6 00144

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. On September 27, 2018, Essetifin S.p.A., an Italian corporation ("Essetifin"), exercised its option to convert the Convertible Promissory Note, originally issued on September 11, 2013 and reissued on March 13, 2018, in an initial principal amount of $150,000 (the "Note"), including all accrued but unpaid interest thereon, into shares of common stock, $0.001 par value per share (the "Common Stock"), of RegeneRx Biopharmaceuticals, Inc. (the "Company"). The Company issued a total of 3,133,681 shares of Common Stock to Essetifin upon conversion of the Note, including 633,681 shares of Common Stock issued in respect of the accrued but unpaid interest on the Note. As a result of the conversion and as of September 27, 2018, Essetifin directly owns 34,989,080 shares of Common Stock, which includes 3,133,681 shares of Common Stock that were issued upon conversion the Note.
2. Dispositive power over the shares of Common Stock owned by Essetifin is shared by Enrico Cavazza, Silvia Cavazza, Francesca Cavazza, Martina Cavazza Preta and Paolo Cavazza. Each of Enrico Cavazza, Silvia Cavazza, Francesca Cavazza, Martina Cavazza Preta and Paolo Cavazza disclaims beneficial ownership of all shares of Common Stock held by Essetifin except to the extent of any pecuniary interest therein.
Remarks:
Exhibit List: Exhibit 99.1 - Joint Filers' Signatures
Essetifin S.p.A. By: /s/ Marino Zigrossi 09/28/2018
/s/ Marino Zigrossi for Enrico Cavazza by power of attorney 09/28/2018
/s/ Marino Zigrossi for Francesca Cavazza by power of attorney 09/28/2018
/s/ Marino Zigrossi for Silvia Cavazza by power of attorney 09/28/2018
/s/ Marino Zigrossi for Martina Cavazza Preta by power of attorney 09/28/2018
/s/ Nicola Wullschleger for Paolo Cavazza by power of attorney 09/28/2018
** 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).
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