A contractor linked to Super Micro Computer (NASDAQ: SMCI) pleaded guilty on Thursday to federal charges arising from a Nvidia chip smuggling case that prosecutors say diverted advanced US technology to China. Ting-Wei “Willy” Sun entered the plea in US District Court in Manhattan, Reuters reported.
The alleged scheme involved diverting roughly $2.5bn worth of US AI servers fitted with Nvidia (NASDAQ: NVDA) chips to Chinese buyers, according to the original March 2026 indictment.
Four counts, one guilty plea

Sun admitted to four charges: conspiracy to violate US export controls, conspiracy to smuggle goods, conspiracy to defraud the United States, and obstruction of justice, Reuters reported, citing a court filing.
Prosecutors first charged Sun in March 2026 alongside two others connected to Super Micro, including company co-founder and former board member Yih-Shyan “Wally” Liaw and Ruei-Tsang “Steven” Chang, over the alleged diversion, according to the Department of Justice. The indictment accused the three of conspiring to route high-performance servers containing US AI technology to China beginning around 2024, without the required export licences.
Court filings allege the group used fabricated documents and staged bogus equipment during a Commerce Department inspection to conceal that servers had already shipped to China, Reuters reported. The FBI’s Assistant Director in Charge, James C. Barnacle Jr., said the defendants used a pass-through company to hide their client list and conduct, according to an Associated Press account carried by Barchart. Prosecutors allege more than $510m of servers moved to Chinese customers in a single three-week window between late April and mid-May 2025, part of the wider $2.5bn scheme, Cryptopolitan reported.
Super Micro itself not charged
Super Micro is not named as a defendant in the case, and the company has said the matter has not affected its operations, Reuters reported. The distinction matters: Liaw, the co-defendant with the closest ties to the company, co-founded Super Micro and sat on its board before his March arrest in California, when he was released on bail.
Liaw has pleaded not guilty and faces trial on 2 November 2026 in Manhattan federal court, meaning Sun’s admission is the first guilty plea among the three defendants, Startup Fortune reported. Chang remains at large. The timing — a guilty plea weeks before a co-defendant’s trial — typically signals cooperation with prosecutors, though neither Sun’s plea agreement nor any cooperation terms have been made public.
The case has a cross-border dimension. Taiwanese authorities separately detained several individuals, including Super Micro employees, in May and June 2026 as part of a related smuggling probe, two months after the US charges were unsealed, according to Forbes.
Market reaction muted this time

The March indictment hit Super Micro shares hard: the stock fell about 33% the day the charges became public, according to CNBC. This week’s guilty plea produced no repeat of that move. Super Micro shares closed at $41.75 on 9 October, up 1.32% on the day, within a 20-day trading range of $40.025 to $45.15.
The relatively contained reaction reflects the scale of Super Micro’s underlying business against the alleged diversion. The company reported revenue of $12.68bn and net income of $400.56m for its fiscal second quarter ended 31 December 2025, according to a 10-Q filed with the SEC. The $2.5bn alleged in the smuggling case represents a fraction of that quarterly turnover alone.
What happens next
Attention now turns to Liaw’s trial date of 2 November, where prosecutors are expected to draw on evidence built around Sun’s admissions. A sentencing date for Sun has not been disclosed. Whether Super Micro faces any separate regulatory scrutiny tied to the export-control allegations, beyond the criminal case against individuals, remains an open question for investors tracking the company’s compliance disclosures.
This article is for information only and is not investment advice or a recommendation to buy or sell any asset. Markets move quickly; figures are correct as sourced at the time of writing. Always do your own research before making financial decisions.
