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Siebert Kevin Christopher

Disclosed activity across 1 company

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18505
SEC CIK
0001634069

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
VIAVI SOLUTIONS INC.VIAV · Entity 3595SVP Gen. Counsel & SecretarySeptember 22, 2026September 23, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

VIAVI SOLUTIONS INC.

Report date September 22, 2026 · Filed September 23, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect71,654 Ending reported balance After 2026-09-22 transaction · row 6
6 source rows · reconciled sequence

Row 1 · 2026-09-22 · Exercise / conversion · Acquired 15,909 · Balance 56,648

F1: Each stock unit converts upon vesting into one share of common stock.

Row 2 · 2026-09-22 · Tax withholding · Disposed 7,175 · Balance 49,473

F2: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Row 3 · 2026-09-22 · Exercise / conversion · Acquired 23,148 · Balance 72,621

F1: Each stock unit converts upon vesting into one share of common stock.

Row 4 · 2026-09-22 · Tax withholding · Disposed 10,440 · Balance 62,181

F2: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Row 5 · 2026-09-22 · Exercise / conversion · Acquired 17,256 · Balance 79,437

F1: Each stock unit converts upon vesting into one share of common stock.

Row 6 · 2026-09-22 · Tax withholding · Disposed 7,783 · Balance 71,654

F2: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Market Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct0 Reported balance After 2026-09-22 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-09-22 · Exercise / conversion · Disposed 15,909 · Balance 0

F1: Each stock unit converts upon vesting into one share of common stock.

F3: Shares reflect the vesting of the 3rd tranche of market-leveraged stock units granted on August 28, 2023 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4: There are no expiration dates on MSUs.

Market Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct15,432 Reported balance After 2026-09-22 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-09-22 · Exercise / conversion · Disposed 23,148 · Balance 15,432

F1: Each stock unit converts upon vesting into one share of common stock.

F5: Shares reflect the vesting of the 2nd tranche of market-leveraged stock units granted on August 28, 2024 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4: There are no expiration dates on MSUs.

Market Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct23,012 Reported balance After 2026-09-22 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-09-22 · Exercise / conversion · Disposed 17,256 · Balance 23,012

F1: Each stock unit converts upon vesting into one share of common stock.

F6: Shares reflect the vesting of the 1st tranche of market-leveraged stock units granted on August 28, 2025 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4: There are no expiration dates on MSUs.

Filing footnotes · ownership attribution and instrument terms

F1: Each stock unit converts upon vesting into one share of common stock.

F2: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

F3: Shares reflect the vesting of the 3rd tranche of market-leveraged stock units granted on August 28, 2023 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4: There are no expiration dates on MSUs.

F5: Shares reflect the vesting of the 2nd tranche of market-leveraged stock units granted on August 28, 2024 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F6: Shares reflect the vesting of the 1st tranche of market-leveraged stock units granted on August 28, 2025 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 17,256 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · derivative · entry 9

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,012

Underlying: Common Stock · 17,256 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F6 · derivative.exercise_date: Shares reflect the vesting of the 1st tranche of market-leveraged stock units granted on August 28, 2025 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 23,148 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · derivative · entry 8

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,432

Underlying: Common Stock · 23,148 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F5 · derivative.exercise_date: Shares reflect the vesting of the 2nd tranche of market-leveraged stock units granted on August 28, 2024 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 15,909 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · derivative · entry 7

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,909 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Shares reflect the vesting of the 3rd tranche of market-leveraged stock units granted on August 28, 2023 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 7,783 $36.40 $283,301.20
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 6

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,654

F2 · kind: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 17,256 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 5

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,437

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 10,440 $36.40 $380,016.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 4

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,181

F2 · kind: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 23,148 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 3

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,621

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 7,175 $36.40 $261,170.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 2

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,473

F2 · kind: 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 market stock award. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
September 22, 2026 Filed Sep 23, 2026 19:42 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 15,909 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000092 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,648

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 GrantMarket Stock Units · Derivative 9,296 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · derivative · entry 11

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,296

Underlying: Common Stock · 9,296 shares

Expires not disclosed

F5 · derivative.exercise_date: See Exhibit 99 - FY27 MSU for vesting schedule and terms.

F6 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 GrantRestricted Stock Units · Derivative 9,296 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · derivative · entry 10

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,296

Underlying: Common Stock · 9,296 shares

Expires not disclosed

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 11,506 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · derivative · entry 9

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,010

Underlying: Common Stock · 11,506 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 15,432 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · derivative · entry 8

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,432

Underlying: Common Stock · 15,432 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 10,606 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · derivative · entry 7

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,606 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 5,190 $36.54 $189,642.60
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 6

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,739

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 11,506 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 5

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,929

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 6,960 $36.54 $254,318.40
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 4

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,423

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 15,432 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 3

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,383

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 4,784 $36.54 $174,807.36
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 2

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,951

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
August 28, 2026 Filed Aug 31, 2026 18:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 10,606 $0.00 $0.00
Disclosure

SEC source: 0000912093-26-000070 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,735

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
May 04, 2026 Filed May 4, 2026 19:38 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 8,255 $54.02 $445,935.10
Disclosure

SEC source: 0000912093-26-000040 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,129

F1 · price: This transaction was executed in multiple trades at prices ranging from $53.97 to $54.03. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
March 02, 2026 Filed Mar 2, 2026 21:50 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 7,264 $34.78 $252,641.92
Disclosure

SEC source: 0000912093-26-000034 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,384

Read SEC document
February 02, 2026 Filed Feb 3, 2026 13:47 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 13,577 $25.72 $349,200.44
Disclosure

SEC source: 0000912093-26-000002 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,648

F1 · price: This transaction was executed in multiple trades at prices ranging from $25.72 to $25.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 08, 2025 Filed Dec 8, 2025 19:32 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 24,225 $18.26 $442,348.50
Disclosure

SEC source: 0000912093-25-000219 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,225

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 Stock Trading Plan dated September 8, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $18.07 to $18.41. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
November 03, 2025 Filed Nov 4, 2025 19:34 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 11,148 $17.29 $192,748.92
Disclosure

SEC source: 0000912093-25-000155 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,450

F1 · price: This transaction was executed in multiple trades at prices ranging from $17.29 to $17.32. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
September 25, 2025 Filed Sep 25, 2025 21:03 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 9,927 $12.17 $120,811.59
Disclosure

SEC source: 0000912093-25-000141 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,598

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 Stock Trading Plan dated September 10, 2024.

F2 · price: This transaction was executed in multiple trades at prices ranging from $12.08 to $12.27. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 19,752 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · derivative · entry 9

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,864

Underlying: Common Stock · 19,752 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F6 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 9,580 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · derivative · entry 8

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,606

Underlying: Common Stock · 9,580 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F5 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionMarket Stock Units · Derivative 4,623 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · derivative · entry 7

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,623 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: There are no expiration dates on MSUs.

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September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 6,313 $12.41 $78,344.33
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 6

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,525

F2 · kind: 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.

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September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 19,752 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 5

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,838

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

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September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 2,884 $12.41 $35,790.44
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 4

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,086

F2 · kind: 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.

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September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 9,580 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 3

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,970

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 1,392 $12.41 $17,274.72
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 2

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,390

F2 · kind: 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.

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September 23, 2025 Filed Sep 25, 2025 20:05 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 4,623 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000137 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,782

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 29, 2025 Filed Sep 2, 2025 20:59 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 13,115 $11.18 $146,625.70
Disclosure

SEC source: 0000912093-25-000116 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 71,159

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 Stock Trading Plan dated September 10, 2024.

F2 · price: This transaction was executed in multiple trades at prices ranging from $11.10 to $11.27. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 GrantMarket Stock Units · Derivative 34,516 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · derivative · entry 11

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,516

Underlying: Common Stock · 34,516 shares

Expires not disclosed

F5 · derivative.exercise_date: See Exhibit 99 - FY26 MSU for vesting schedule and terms.

F6 · derivative.expiration_date: There are no expiration dates on MSUs.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 GrantRestricted Stock Unit · Derivative 34,516 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · derivative · entry 10

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,516

Underlying: Common Stock · 34,516 shares

Expires not disclosed

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 15,432 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · derivative · entry 9

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,864

Underlying: Common Stock · 15,432 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 10,606 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · derivative · entry 8

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,606

Underlying: Common Stock · 10,606 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Unit · Derivative 8,158 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · derivative · entry 7

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,158 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

F3 · derivative.exercise_date: Units subject to the Award shall vest annually in three equal installments.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

Read SEC document
August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 4,646 $11.27 $52,360.42
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 6

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,274

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 15,432 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 5

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,920

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 3,193 $11.27 $35,985.11
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 4

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,488

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

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August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 10,606 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 3

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,681

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 2,456 $11.27 $27,679.12
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 2

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,075

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

Read SEC document
August 28, 2025 Filed Sep 2, 2025 15:10 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionCommon Stock 8,158 $0.00 $0.00
Disclosure

SEC source: 0000912093-25-000112 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,531

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each stock unit converts upon vesting into one share of common stock.

Read SEC document
March 03, 2025 Filed Mar 5, 2025 21:58 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 SaleCommon Stock 13,499 $11.24 $151,728.76
Disclosure

SEC source: 0001127602-25-008335 · form4.xml · nonDerivative · entry 1

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,373

F1 · kind: Shares were sold pursuant to a Rule 10b5-1 Stock Trading Plan dated September 10, 2024.

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February 28, 2025 Filed Mar 4, 2025 20:39 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Exercise / conversionRestricted Stock Units · Derivative 20,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001127602-25-007821 · form4.xml · derivative · entry 3

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Units subject to the Award shall vest on the four year anniversary of the grant date.

F4 · derivative.expiration_date: There are no expiration dates on RSUs.

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February 28, 2025 Filed Mar 4, 2025 20:39 UTC VIAVI SOLUTIONS INC. VIAV · Entity 3595 Tax withholdingCommon Stock 6,501 $11.18 $72,681.18
Disclosure

SEC source: 0001127602-25-007821 · form4.xml · nonDerivative · entry 2

Siebert Kevin Christopher · CIK 0001634069 · SVP Gen. Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,872

F2 · shares: 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. The amount retained by the Company was not in excess of the amount of the tax liability.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.