Lumentum Holdings Inc. filed a Form 425 communication on November 2, 2026, disclosing that it has entered into a definitive agreement to be acquired by Marvell in an all-stock transaction valued at approximately $100 billion.

Key Highlights

  • Exchange ratio: Lumentum shareholders will receive 4.5 shares of Marvell common stock for each Lumentum share they own at closing.
  • Deal value: The all-stock transaction is valued at approximately $100 billion, according to the filing.
  • Ownership split: Following close, Marvell shareholders will own approximately 67% of the combined company and Lumentum shareholders will own 33%, on a fully diluted basis.
  • Expected timeline: The transaction is expected to close in approximately 12-18 months, subject to shareholder votes by both companies and required regulatory approvals.
  • Combined scale: The filing states the combined company would become the fifth-largest network semiconductor company in the world.
  • Total addressable market: According to the filing, the combination would "more than quadruple" Lumentum's total addressable market to over half a trillion dollars.
  • Communication source: The filing consists of an all-employee email from Lumentum CEO Michael Hurlston and an accompanying employee FAQ distributed internally on November 2, 2026.

Lumentum CEO Outlines Rationale and Terms of Marvell Combination

According to the Form 425 filing, Lumentum Holdings Inc. entered into a definitive agreement for Marvell to acquire all outstanding Lumentum shares in an all-stock transaction. Under the terms described in the filing, each Lumentum shareholder will receive 4.5 shares of Marvell common stock per Lumentum share held. The filing states the deal is valued at approximately $100 billion, and that upon closing, Lumentum shareholders will hold 33% of the combined company on a fully diluted basis, with Marvell shareholders retaining approximately 67%.

The filing, which takes the form of an internal employee communication from CEO Michael Hurlston, describes the strategic rationale as a response to what Hurlston characterizes as a fundamental shift in the industry toward tighter integration of optics and electronics, particularly in scale-up and scale-in computing environments. The communication states: "Together, we will create a category-defining company to address the market needs for AI infrastructure connectivity in next-generation data centers." Hurlston also notes that Marvell "recognizes the value that our wafer fabs and manufacturing bring to this merger."

On employee matters, the filing states that compensation and benefits will continue unchanged until the transaction closes, and that Lumentum equity awards will continue to vest on their existing schedules. The FAQ included in the filing notes that if an employee's role is eliminated because of the acquisition, they "will be eligible for severance consideration," while emphasizing that "there are no changes planned at this time in jobs, roles, or responsibilities." The filing does not disclose a decision regarding Lumentum's San Jose headquarters. The transaction remains subject to approval by shareholders of both companies and required regulatory approvals.

What Was Disclosed

Lumentum filed a Form 425 on November 2, 2026, containing an internal CEO email and employee FAQ announcing a definitive all-stock merger agreement with Marvell at a 4.5-share exchange ratio, valued at approximately $100 billion, with a closing timeline of approximately 12-18 months.