Lumentum Holdings Officer Files Form 144 to Sell $473K in Stock Under 10b5-1 Plan

Executive Summary

On September 23, 2026, Wupen Yuen, an Officer at Lumentum Holdings Inc. ($LITE), filed a Form 144 notifying the SEC of a proposed sale of 500 common shares with an aggregate market value of $473,280.00. The shares were originally acquired as restricted stock from the issuer on August 21, 2025.

Key Transaction Highlights

• Security: Common Stock
• Shares to be Sold: 500 shares
• Estimated Aggregate Market Value: $473,280.00
• Implied Price per Share: ~$946.56
• Plan Adoption: The transaction is executed pursuant to a Rule 10b5-1 trading plan adopted on May 19, 2026.
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services

Historical Selling Pattern

The filing discloses regular programmatic sales under the 10b5-1 plan over the preceding three months, typically consisting of daily increments of 500 shares. Total shares outstanding for Lumentum Holdings Inc. are reported at 89,700,000, rendering the proposed transaction of 500 shares de minimis in relation to the company's total float.

Market Significance

This filing carries Low trading significance given the small transaction volume, programmatic 10b5-1 execution structure, and negligible impact on the issuer's public float.