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^*

Wood River Trust

(Last)

(First)

(Middle)

1007 ORANGE STREET, SUITE 1410

NEMOURS BUILDING

(Street)

WILMINGTON

19801

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
PLURISTEM LIFE SYSTEMS INC [ PLRS.OB ]

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)
06/13/2007

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)
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, par value $0.00001 per share	06/13/2007		X		100,000,000	A	$0.025	200,000,000	D⁽¹⁾
Common Stock	06/13/2007		J⁽²⁾		26,693,227	D	$0.0937	173,306,773	D⁽¹⁾

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)
Warrants (right to buy)	$0.025	06/13/2007		X			100,000,000	06/13/2007	05/14/2012	Common Stock	100,000,000	⁽³⁾	0	D⁽¹⁾

1. Name and Address of Reporting Person^*

Wood River Trust

(Last)

(First)

(Middle)

1007 ORANGE STREET, SUITE 1410

NEMOURS BUILDING

(Street)

WILMINGTON

19801

(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^*

Doyle Michael C.

(Last)

(First)

(Middle)

1007 ORANGE STREET, SUITE 1410

NEMOURS BUILDING

(Street)

WILMINGTON

19801

(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. These securities are owned directly by Wood River Trust. Michael C. Doyle is the sole Trustee of Wood River Trust and, in such capacity, may be deemed indirectly to beneficially own the securities owned by the Wood River Trust.

2. Wood River Trust consummated a cashless exercise of the Warrants, pursuant to which 26,693,227 shares of Common Stock otherwise issuable upon exercise of such Warrants were forfeited in lieu of paying the cash exercise price.

3. These Warrants were included in Units consisting of 1 share of Common Stock and 1 Warrant that were purchased for $0.0125 per Unit.

	Wood River Trust By: /s/ Michael C. Doyle, Trustee	08/03/2007
	/s/ Michael C. Doyle	08/03/2007
	** 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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