Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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 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 * Siebert Kevin Christopher 2. Issuer Name and Ticker or Trading Symbol VIAVI SOLUTIONS INC. [VIAV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP Gen. Counsel & Secretary (Last) (First) (Middle) C/O VIAVI SOLUTIONS INC., 1445 SOUTH SPECTRUM BLVD, SUITE 102 3. Date of Earliest Transaction (Month/Day/Year) 09/23/2025 (Street) CHANDLER, AZ 85286 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 09/23/2025 M(1) 4,623 A $ 0 75,782 D Common Stock 09/23/2025 F(2) 1,392 D $12.41 74,390 D Common Stock 09/23/2025 M(1) 9,580 A $ 0 83,970 D Common Stock 09/23/2025 F(2) 2,884 D $12.41 81,086 D Common Stock 09/23/2025 M(1) 19,752 A $ 0 100,838 D Common Stock 09/23/2025 F(2) 6,313 D $12.41 94,525 D

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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

Market Stock Units

$ 0

09/23/2025

M(1)

4,623

(3)

(4)

Common Stock

4,623

$ 0

0

D

Market Stock Units

$ 0

09/23/2025

M(1)

9,580

(5)

(4)

Common Stock

9,580

$ 0

10,606

D

Market Stock Units

$ 0

09/23/2025

M(1)

19,752

(6)

(4)

Common Stock

19,752

$ 0

30,864

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Siebert Kevin Christopher C/O VIAVI SOLUTIONS INC. 1445 SOUTH SPECTRUM BLVD, SUITE 102 CHANDLER, AZ 85286			SVP Gen. Counsel & Secretary

Signatures

/s/ Donna T. Rossi, attorney-in-fact		09/25/2025
**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)	Each stock unit converts upon vesting into one share of common stock.
(2)	These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock award or performance stock award, as applicable. The amount retained by the Company was not in excess of the amount of the tax liability.
(3)	Shares reflect the vesting of the 3rd tranche of market-leveraged stock units granted on August 28, 2022 at 56.67% of target based on our total stockholder return during the performance periods as stated on the grant agreement.
(4)	There are no expiration dates on MSUs.
(5)	Shares reflect the vesting of the 2nd tranche of market-leveraged stock units granted on August 28, 2023 at 90.33% of target based on our total stockholder return during the performance periods as stated on the grant agreement.
(6)	Shares reflect the vesting of the 1st tranche of market-leveraged stock units granted on August 28, 2024 at 128.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

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