LITELumentum

On May 28, 2026, Michael Hurlston, our President and Chief Executive Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 1,096 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until May 28, 2027, or earlier if all transactions under the trading arrangement are completed.

On May 26, 2026, Wajid Ali, our Executive Vice President and Chief Financial Officer, adopted a modification of his Rule 10b5-1 trading arrangement entered into on November 28, 2025. The modified plan provides for the sale from time to time of an aggregate of up to 61,936 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs and RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until May 26, 2027, or earlier if all transactions under the trading arrangement are completed.

On May 19, 2026, Wupen Yuen, our President, Global Business Units, adopted a modification of his Rule 10b5-1 trading arrangement entered into on November 5, 2025, providing for the sale from time to time of an aggregate of up to 18,422 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs and RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until May 19, 2027, or earlier if all transactions under the trading arrangement are completed.

On February 27, 2026, Issac Harris, a member of our board of directors and our Interim Chief Procurement Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 5,416 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 27, 2027, or earlier if all transactions under the trading arrangement are completed.

On February 26, 2026, Jae Kim, our Senior Vice President, General Counsel and Secretary, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 38,594 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, depend on shares acquired through employee stock purchase plan (“ESPP”) subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs, RSUs and ESPP shares subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 8, 2027, or earlier if all transactions under the trading arrangement are completed.

On February 23, 2026, Paul Lundstrom, a member of our board of directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 1,000 shares of our common stock. The actual number of shares sold under the trading arrangement will be subject to vesting of the RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 23, 2027, or earlier if all transactions under the trading arrangement are completed.

On February 12, 2026, Pamela Fletcher, our director, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 3,155 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 12, 2027, or earlier if all transactions under the trading arrangement are completed.

On February 6, 2026, Brian Lillie, a member of our board of directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 12,000 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 6, 2027, or earlier if all transactions under the trading arrangement are completed.

On November 28, 2025, Wajid Ali, our Chief Financial Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 66,265 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs and RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until November 30, 2026, or earlier if all transactions under the trading arrangement are completed.

On November 13, 2025, Vince Retort, our President, Modules R&D and New Product Design and Development, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate up to 105,445 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs and RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until November 20, 2026, or earlier if all transactions under the trading arrangement are completed.

On November 5, 2025, Wupen Yuen, our President, Global Business Units, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 28,522 shares of our common stock (based on PSUs vesting at target). The actual number of shares sold under the trading arrangement will depend on achievement of performance targets applicable to the PSUs subject to the trading arrangement, be subject to vesting of the PSUs and RSUs subject to the trading arrangement, and be net of shares withheld for taxes upon vesting and settlement of the PSUs and RSUs subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until December 31, 2026, or earlier if all transactions under the trading arrangement are completed.

On February 11, 2025, Jae Kim, our Senior Vice President, General Counsel, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 20,352 shares of our common stock. The actual number of shares sold under the trading arrangement will depend on restricted stock units (“RSUs”) and shares acquired through employee stock purchase plan (the “ESPP”) subject to the trading arrangement and be net of shares withheld for taxes upon vesting and settlement of the RSUs and the ESPP subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 11, 2026, or earlier if all transactions under the trading arrangement are completed.

On February 11, 2025, Wupen Yuen, our President, Cloud & Networking, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time, for an aggregate of up to 28,299 shares of our common stock. The actual number of shares sold under the trading arrangement will depend on RSUs and shares acquired through the ESPP subject to the trading arrangement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until February 11, 2026, or earlier if all transactions under the trading arrangement are completed.