Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 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 *
Martin Brian
   2. Issuer Name and Ticker or Trading Symbol
JUNIPER NETWORKS INC [JNPR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP General Counsel
(Last)
(First)
(Middle)
1133 INNOVATION WAY		 3. Date of Earliest Transaction (Month/Day/Year)
03/15/2019
(Street)

SUNNYVALE, CA 94089		 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
Common Stock 03/16/2019   M   9,520 A $ 0 90,205 D  
Common Stock 03/16/2019   F(1)   3,877 D $ 26.84 86,328 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Performance Stock Unit $ 0 03/15/2019   A   13,402   02/15/2020(2) 02/15/2021 Common Stock 13,402 $ 0 (3) 13,402 D  
Performance Stock Unit $ 0 03/15/2019   A   69,800   02/18/2022(4) 02/18/2022 Common Stock 69,800 $ 0 (3) 69,800 D  
RSU Award $ 0 03/16/2019   M     9,520 03/16/2019(5) 03/16/2021 Common Stock 9,520 $ 0 (3) 18,480 D  
RSU Award $ 0 03/15/2019   A   45,900   03/15/2020(5) 03/15/2022 Common Stock 45,900 $ 0 (3) 45,900 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Martin Brian
1133 INNOVATION WAY
SUNNYVALE, CA 94089		       SVP General Counsel  

Signatures

 By: Robert Mobassaly: Attorney in Fact For: Brian Michael Martin   03/19/2019
**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) Represents shares withheld from the released share award for the payment of applicable income and payroll withholding taxes due on release.
(2) Represents the maximum quantity of shares issuable. The exact number of shares issuable will be determined based on achievement of certain Company performance targets for the 2019 fiscal year, as determined by the Compensation Committee of the Board. The executive can earn either 0% or 100% of the target shares that will vest 50% each year over a two year period.
(3) Column 8 is not an applicable reportable field.
(4) Represents the maximum quantity of shares issuable. The exact number of shares issuable with respect to the performance award will be determined based on achievement of certain Company performance targets over 3 years. The executive can earn between 0% and 200% of the target shares. No shares vest or are issued until after the performance period.
(5) This awards vests from the original grant date as to thirty-four percent on the one year anniversary of the grant date and thirty-three percent annually on the second anniversary and third anniversary.

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