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 *
DeBari Giovanni M
   2. Issuer Name and Ticker or Trading Symbol
MACK CALI REALTY CORP [CLI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Accounting Officer
(Last)
(First)
(Middle)
C/O MACK-CALI REALTY CORPORATION, HARBORSIDE 3, 210 HUDSON ST., STE. 400		 3. Date of Earliest Transaction (Month/Day/Year)
03/22/2019
(Street)

JERSEY CITY, NJ 07311		 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

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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
Class H 2019 LTIP Units $ 0 (1) 03/22/2019   A(1)   4,468     (2)   (2) Common Stock 4,468 $ 0 (1) 4,468 (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DeBari Giovanni M
C/O MACK-CALI REALTY CORPORATION
HARBORSIDE 3, 210 HUDSON ST., STE. 400
JERSEY CITY, NJ 07311		       Chief Accounting Officer  

Signatures

 /s/ Giovanni M. DeBari   03/26/2019
**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 22, 2019, the reporting person received a grant of Class H 2019 LTIP Units (the "Class H Units") of Mack-Cali Realty, L.P. (the "Operating Partnership"). The Class H Units are a class of units of the Operating Partnership that, following the occurrence of certain events and upon vesting are convertible by the holder into an equivalent number of Common Units. Common Units of the Operating Partnership are redeemable by the holder for cash or, at the election of Mack-Cali Realty Corporation (the "Company"), shares of common stock of the Company on a one-for-one basis or the cash value of such shares.
(2) The Class H Units vest on March 22, 2022 and are not subject to expiration.
(3) Reported amounts exclude the following securities directly beneficially owned by the reporting person: (i) 1,844 Class B 2016 LTIP Units of the Operating Partnership, (ii) 2,246 Class C 2017 LTIP Units of the Operating Partnership, (iii) 742 Class D 2017 LTIP Units of the Operating Partnership, and (iv) 5,900 Class F 2018 LTIP Units of the Operating Partnership. Subject to certain vesting conditions, all of these other classes of LTIP Units of the Operating Partnership may be converted to Common Units on a one-for-one basis.

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