New York, Jan 6, 2026, 12:25 p.m. ET — Regular session
Lumentum Holdings Inc (LITE.O) shares rose 5.2% to $375.69 in Nasdaq midday trade on Tuesday after a volatile morning that took the stock as low as $340.46. The shares hit a session high of $377.65 and about 3.1 million shares had changed hands.
On Monday, Lumentum disclosed in an 8-K — a form companies use to report major events — that Chief Accounting Officer Matthew Sepe plans to retire and will step down from that post on the later of Feb. 6 and the filing of its quarterly 10-Q report for the period ended Dec. 27, 2025. The board named Eric Chang as the next chief accounting officer effective on that date, while Sepe will remain senior vice president, finance until his retirement in fall 2026, the filing showed.
The chief accounting officer sits at the center of financial reporting, and changes in that role often draw attention when a company is nearing quarterly filings. Lumentum, based in San Jose, California, makes photonics products used in telecom and data-center networks and commercial lasers for manufacturing.
The company also set its next checkpoint for investors. Lumentum said it will release fiscal second-quarter results on Feb. 3 after the market closes and host an audio webcast at 5:00 p.m. ET.
Moves across the optical and data-center plumbing names were mixed. Ciena (CIEN.N) climbed 6.2%, Coherent (COHR.N) slipped 0.5% and Marvell Technology (MRVL.O) edged up 0.1%.
Tuesday’s wide range underscored how quickly sentiment can shift around the stock heading into the next round of disclosures. Traders will be watching whether the shares can hold above the day’s low near $340, a level that drew buyers earlier in the session.
A leadership transition in the accounting function can still be a pressure point if it slows filings or triggers questions about reporting controls, even when management calls it planned. Any sign of softer demand or margin pressure in the coming results could renew volatility.
Next up is Feb. 3, when Lumentum is set to report fiscal second-quarter results and take questions on its webcast.
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