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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

JACOBS DR DONALD P

(Last)

(First)

(Middle)

4545 AIRPORT WAY

(Street)

DENVER

80239

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
PROLOGIS [ PLD ]

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)
05/17/2011

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 Shares of Beneficial Interest, par value $.01⁽¹⁾	05/17/2011	05/17/2011	M		2,915	A	$0.00	21,022	D

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)
Options dividend equivalent units⁽²⁾	$0.00⁽²⁾	05/17/2011	05/17/2011	D			2,915	⁽²⁾	⁽²⁾	Common Shares of Beneficial Interest	2,915	$0.00	10,000	D
Deferred Share Units	$0.00⁽³⁾	05/18/2011	05/18/2011	A		6,341		⁽³⁾	⁽³⁾	Common Shares of Beneficial Interest	6,341	$0.00	33,382	D
Phantom Shares	$0.00⁽⁴⁾							⁽⁴⁾	⁽⁴⁾	Common Shares of Beneficial Interest	47,494		47,494	D

Explanation of Responses:

1. Reporting conversion into ProLogis common shares of dividend equivalent units (DEUs) earned on options that expired May 17, 2011.

2. Reporting conversion into ProLogis common shares of dividend equivalent units (DEUs) earned on 5,000 common share options that expired unexercised May 17, 2011. DEUs are paid in the form of ProLogis common shares at the rate of one common share per DEU upon exercise or at expiration of the related common share options. Balance in column 9 includes 5,000 fully vested non-qualified stock options with an exercise price of $24.47 expiring 6/12/2012, and 5,000 fully-vested non-qualified stock options with an exercise price of $27.56 expiring 5/20/2013.

3. Award of Deferred Share Units (DSUs). DSUs are fully vested at grant and are deferred until the reporting person ceases to be a trustee, at which time the units convert into ProLogis common shares on a 1-for-1 basis. DSUs have no exercisable or expiration date. Balance in column 9 includes DEUs earned through divided reinvestment related to the DSUs.

4. Reporting holdings of phantom shares. Represents trustee fees payable in ProLogis common shares that the reporting person has elected to defer into phantom shares. Phantom shares are generally payable when the reporting person ceases to be a trustee, at which time the phantom shares convert into ProLogis common shares on a 1-for-1 basis. Balance in column 9 includes phantom shares earned through dividend reinvestment related to the phantom shares.

Remarks:

	/s/ Kristi Oberson, attorney-in-fact for Donald Jacobs	05/19/2011
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.