SEC FORM 4

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^*

MACK DAVID S

(Last)

(First)

(Middle)

C/O MACK-CALI REALTY CORPORATION

343 THORNALL STREET

(Street)

EDISON

08837

(City)

(State)

(Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2009

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	09/16/2009		S		2,301	D	$36.3	72,699⁽¹⁾	I	By Charitable Foundation
Common Stock	09/16/2009		S		299	D	$36.31	72,400⁽¹⁾	I	By Charitable Foundation
Common Stock	09/16/2009		S		100	D	$36.3105	72,300⁽¹⁾	I	By Charitable Foundation
Common Stock	09/16/2009		S		2,300	D	$36.311	70,000⁽¹⁾	I	By Charitable Foundation
Common Stock	09/16/2009		S		5,000	D	$36.35	65,000⁽¹⁾	I	By Charitable Foundation
Common Stock	09/16/2009		S		5,000	D	$36.4	60,000⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		2,400	D	$36.75	57,600⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		800	D	$36.76	56,800⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		400	D	$36.77	56,400⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		300	D	$36.78	56,100⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		600	D	$36.79	55,500⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		100	D	$36.7905	55,400⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		5,100	D	$36.8	50,300⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		200	D	$36.81	50,100⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		100	D	$36.82	50,000⁽¹⁾	I	By Charitable Foundation
Common Stock	09/17/2009		S		4,708	D	$37.1	45,292⁽¹⁾	I	By Charitable Foundation

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Units of Limited Partnership Interest	$0⁽²⁾	08/06/2009		J⁽³⁾	V		25,000	08/08/1988⁽⁴⁾	08/08/1988⁽⁴⁾	Common Stock	25,000	$0	1,831,947⁽⁵⁾	D
Units of Limited Partnership Interest	$0⁽²⁾	08/06/2009		J⁽³⁾	V	25,000		08/08/1988⁽⁴⁾	08/08/1988⁽⁴⁾	Common Stock	25,000	$0	200,000⁽⁶⁾	I	By Charitable Foundation

Explanation of Responses:

1. Reported amount excludes 5,520 shares of common stock directly beneficially owned by the reporting person. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of all of the shares of common stock beneficially owned by the Foundation.

2. Units of Limited Partnership Interest ("Common Units") of Mack-Cali Realty, L.P. (the "Operating Partnership") are redeemable by the holders of Common Units, subject to certain restrictions, on the basis of one Common Unit for either one share of Mack-Cali Realty Corporation (the "Corporation") common stock, or cash equal to the fair market value of a share of common stock at the time of the redemption. The Corporation has the option to deliver shares of common stock in exchange for all or any portion of the cash requested.

3. On August 6, 2009, the reporting person donated 25,000 Common Units to the David and Sondra Mack Foundation, Inc. (the "Foundation"), a charitable foundation of which the reporting person is a trustee. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of all of the Common Units beneficially owned by the Foundation.

4. The right to convert Common Units is not subject to expiration.

5. Reported amount excludes the following securities directly beneficially owned by the reporting person: (i) 5,525.955 phantom stock units and (ii) options to purchase 5,000 shares of common stock. Also excludes the Common Units beneficially owned by the Foundation. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of all of the Common Units beneficially owned by the Foundation.

6. Reported amount excludes the following securities directly beneficially owned by the reporting person: (i) 1,831,947 Common Units; (ii) 5,525.955 phantom stock units; and (iii) options to purchase 5,000 shares of Common Stock.

	/s/ David S. Mack	09/18/2009
	** 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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