Lumentum Holdings Officer Files Form 144 to Sell 500 Shares Under 10b5-1 Plan

Transaction Summary

On September 18, 2026, Wupen Yuen, an Officer of Lumentum Holdings Inc. ($LITE), filed Form 144 indicating an intention to sell 500 shares of common stock through Morgan Stanley Smith Barney LLC. The estimated aggregate market value of the proposed transaction is $460,000.00, implying an average price per share of approximately $920.00.

Origin & 10b5-1 Plan

• Acquisition Details: The shares were acquired directly from the issuer on August 21, 2025, through a restricted stock award vest.
• Trading Plan: The planned sale is executed pursuant to a pre-established Rule 10b5-1 trading plan adopted on May 19, 2026.

Prior Sales in Past 3 Months

The reporting officer has executed steady, recurring sales of 500 shares per session (with an initial sale of 1,500 shares on August 20, 2026) throughout late August and September 2026, totaling 11,000 shares sold for gross proceeds exceeding $9.8 million.

Market Impact & Significance

The transaction represents an extremely minor fraction of Lumentum Holdings' 89,700,000 outstanding shares. Given the programmatic nature of the sales under a pre-established Rule 10b5-1 trading plan, this filing carries Low market significance.