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^*

KRIENS SCOTT

(Last)

(First)

(Middle)

1194 NORTH MATHILDA AVENUE

(Street)

SUNNYVALE

94089

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
JUNIPER NETWORKS INC [ JNPR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chairman of the Board

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2010

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	02/02/2010		M		500,000	A	$10.31	553,466	D
Common Stock	02/02/2010		S		500,000⁽¹⁾	D	$25.0144⁽²⁾	53,466⁽³⁾	D
Common Stock	02/02/2010		M		133,667⁽⁴⁾	A	$0⁽⁵⁾	187,133	D
Common Stock								527,037	I	By Foundation⁽⁶⁾
Common Stock								7,761,672	I	by 1996 Kriens Trust⁽⁷⁾
Common Stock								384,750	I	by Partnership⁽⁸⁾

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)
Non-Qualified Stock Option (right to buy)	$10.31	02/02/2010		M			500,000	05/28/2002	05/28/2012	Common Stock	500,000	$0⁽⁹⁾	1,200,000	D
Performance Shares	$0	02/02/2010		M			133,667⁽⁴⁾	02/02/2010	03/09/2010	Common Stock	133,667	$0⁽⁹⁾	0⁽¹⁰⁾	D

Explanation of Responses:

1. Transaction pursuant to the Reporting Person's 10b5-1 Plan.

2. The sale price represents the weighted average sale price in the range of 24.90 to 25.10 per share. The Company can provide the full information regarding the number of shares sold at each separate price upon further request.

3. Amount of securities includes shares acquired by the reporting person under the Juniper Networks, Inc. 2008 Employee Stock Purchase Plan on 1/29/2010.

4. Represents the issuance of common stock pursuant to the vest of performance share award.

5. Represents the per share price for the award.

6. Held by the Kriens Family Foundation, over which the reporting person and his spouse exercise voting and investment control.

7. Held by the Kriens 1996 Trust U/T/A October 29, 1996 over which the Reporting Person and his spouse exercise investment and voting control.

8. Held by Saratoga Investments, LP over which the reporting person exercises voting and investment control.

9. Column 8 is not an applicable reportable field.

10. There are no remaining shares earnable from this award.

	By: Mitchell L. Gaynor, Attorney in Fact For: Scott G. Kriens	02/04/2010
	** 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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