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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KATZ A. AKIVA
   2. Issuer Name and Ticker or Trading Symbol
MACK CALI REALTY CORP [CLI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O BOW STREET LLC, 595 MADISON AVENUE, 29TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
07/01/2020
(Street)

NEW YORK, NY 10022		 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, $0.01 par value 07/01/2020   A(1)   5,886 A $ 0 (1) 8,686 D  
Common Stock, $0.01 par value               2,527,473 I Bow Street Special Opportunities Fund XV, LP (2)
Common Stock, $0.01 par value               1,895,806 I Bow Street LLC (3)

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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
KATZ A. AKIVA
C/O BOW STREET LLC
595 MADISON AVENUE, 29TH FLOOR
NEW YORK, NY 10022		   X      

Signatures

 /s/ A. Akiva Katz   07/06/2020
**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 July 1, 2020, the Reporting person was granted 5,886 restricted shares of common stock, $0.01 par value (the "Common Stock"), pursuant to the 2013 Incentive Stock Plan of Mack-Cali Realty Corporation. The shares shall vest on the earlier to occur of (a) July 1, 2021, or (b) the date of the 2021 annual meeting of stockholders of Mack-Cali Realty Corporation.
(2) Shares of Common Stock owned directly by Bow Street Special Opportunities Fund XV, LP ("Bow Street Opportunities"). The Reporting Person, solely by virtue of his position as Managing Partner of Bow Street, LLC ("Bow Street"), the investment manager of Bow Street Opportunities, may be deemed to beneficially own the shares of Common Stock directly held by Bow Street Opportunities for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.
(3) Shares of Common Stock owned directly by Minayot Acquisition LLC ("Minayot"). The Reporting Person, solely by virtue of his position as Managing Partner of Bow Street, the investment manager of Bow Street Opportunities and certain other private investment funds, including, pursuant to an investment management agreement between Bow Street and Minayot, may be deemed to beneficially own the shares of Common Stock directly held by Minayot for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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