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AI brief of an SEC Form 8-K · Lumentum (LITE)

Lumentum names Eric Chang chief accounting officer as Matthew Sepe retires

Neutral Impact 3 of 5 leadership Written later

Lumentum Holdings said Chief Accounting Officer Matthew Sepe plans to retire, and the board appointed Eric Chang, who recently joined as Senior Vice President, Finance, to succeed him as CAO. Sepe remains Senior Vice President, Finance until his retirement in fall 2026, and the CAO change takes effect on the later of February 6, 2026 and the filing of the 10-Q for the quarter ended December 27, 2025. The filing says Chang's compensation is not expected to change.

Key points

  • Matthew Sepe informed the company of his planned retirement on December 29, 2025.
  • Sepe steps down as CAO on the later of February 6, 2026 and the 10-Q filing date for the quarter ended December 27, 2025.
  • Eric Chang, 52, previously was CFO of Digilens, Inc. (July to November 2025) and CAO of Edgio, Inc. (October 2022 to June 2025).
  • Chang's compensation is not expected to change in connection with the appointment.

The filing

CompanyLumentum (LITE)
Form8-K, current report
Filed with the SECJan 5, 2026, 4:45 PM ET
Accession number0001193125-26-002602

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:42 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 05, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.