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
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Athreya Anand	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)
EVP Chief Development Officer	
(Last)         (First)         (Middle)

1133 INNOVATION WAY	3. Date of Earliest Transaction (MM/DD/YYYY)

2/18/2021		
(Street)

SUNNYVALE, CA 94089
(City)       (State)       (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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 	2/19/2021 	 	M(1)	  	18926 	A	$0.0 	112367 	D 	 	
Common Stock 	2/19/2021 	 	F(2)	  	6543 	D	$23.97 	105824 	D 	 	
Common Stock 	2/21/2021 	 	M	  	17170 	A	$0.0 	122994 	D 	 	
Common Stock 	2/21/2021 	 	F(3)	  	6086 	D	$23.97 	116908 	D 	 	

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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	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 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 	$0.0 	2/18/2021 	 	A 	  	10086  	  	 (4)	3/16/2021 (4)	Common Stock 	10086 	$0.0 (5)	18926 	D 	 	
Performance Stock Unit 	$0.0 	2/19/2021 	 	M (1)	  	  	18926  	2/19/2021 (1)	3/16/2021 (1)	Common Stock 	18926 	$0.0 (5)	0 	D 	 	
Performance Stock Unit 	$0.0 	2/18/2021 	 	A 	  	10274  	  	 (6)	3/19/2021 (6)	Common Stock 	10274 	$0.0 (5)	10274 	D 	 	
Performance Stock Unit 	$0.0 	2/18/2021 	 	A 	  	7369  	  	 (7)	2/18/2022 (7)	Common Stock 	7369 	$0.0 (5)	13827 	D 	 	
Performance Stock Unit 	$0.0 	2/18/2021 	 	A 	  	8988  	  	 (8)	2/17/2023 (8)	Common Stock 	8988 	$0.0 (5)	8988 	D 	 	
RSU Award 	$0.0 	2/19/2021 	 	A 	  	55100  	  	 (9)	2/19/2024 (9)	Common Stock 	55100 	$0.0 (5)	55100 	D 	 	
RSU Award 	$0.0 	2/21/2021 	 	M 	  	  	17170  	 (9)	 (9)	Common Stock 	17170 	$0.0 (5)	33330 	D 	 	

Explanation of Responses:	
(1) 	Represents the number of shares earned and vested under the previously reported performance award granted on 03/16/2018. The shares vested in full on 2/19/2021 following determination by the Compensation Committee on 2/18/2021 of the achievement of the final performance targets over the three-year performance period, upon the satisfaction of a continued service condition through the settlement date, which occurred on 2/19/2021.	
(2) 	Represents shares withheld from the performance share award for the payment of applicable income and payroll withholding taxes due on settlement.	
(3) 	Represents shares withheld from the released share award for the payment of applicable income and payroll withholding taxes due on release.	
(4) 	Represents one tranche of an award granted on 03/16/2018. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee, which certification occurred on 2/18/2021. This tranche vested on 2/19/2021 as described in footnote (1).	
(5) 	Column 8 is not an applicable reportable field.	
(6) 	This performance stock award was granted in the first quarter of 2020 and was earned based on attainment of certain performance conditions and certification thereof by the Compensation Committee, which certification occurred on 2/18/2021. The award will vest on March 19, 2021, subject to the reporting person's service through such vesting date.	
(7) 	Represents one tranche of an award granted in the first quarter of 2019. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee, which certification occurred on 2/18/2021. This tranche will vest in the first quarter of 2022 following certification by the Compensation Committee of the final tranche of the award, subject to the reporting person's service through the date of such certification and the settlement date.	
(8) 	Represents one tranche of an award granted in the first quarter of 2020. The amount earned was subject to attainment of certain performance conditions and certification thereof by the Compensation Committee, which certification occurred on 2/18/2021. This tranche will vest in the first quarter of 2023 following certification by the Compensation Committee of the final tranche of the award, subject to the reporting person's service through the date of such certification and the settlement date.	
(9) 	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.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Athreya Anand
1133 INNOVATION WAY
SUNNYVALE, CA 94089			EVP Chief Development Officer		

Signatures		
By: Robert Mobassaly - Attorney in Fact For: Anand S. Athreya		2/22/2021	
**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.	
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