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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallFormer TSMC account manager Manosha Karunatilaka pleaded guilty in Manhattan federal court on May 11, 2011, to conspiracy to commit securities fraud and wire fraud. Prosecutors said he shared nonpublic information about TSMC product sales and shipments through expert-network firm Primary Global Research, receiving more than $35,000 for consultation calls. The sources available here do not establish his eventual sentence.
Who was Manosha Karunatilaka?
Karunatilaka was an account manager at Taiwan Semiconductor Manufacturing Co. (TSMC), the semiconductor manufacturer. TSMC terminated him after his arrest in December 2010, saying his conduct violated multiple company policies, according to a contemporaneous EE Times report.
What did he admit, and what information was involved?
On May 11, 2011, Karunatilaka pleaded guilty to one count of conspiracy to commit securities fraud and wire fraud. Prosecutors said he admitted defrauding a public company to obtain inside information and providing it to members of the investment community for securities transactions, as reported by EE Times.
The alleged information-sharing took place from 2008 to 2010 and concerned TSMC product sales and shipping information that was material to TSMC and its customers. This was described as a securities- and wire-fraud conspiracy involving nonpublic business information—not as a trade-secret case.
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How did Primary Global Research fit into the case?
Primary Global Research LLC was an expert-network firm that arranged consultations for institutional investors. Prosecutors said Karunatilaka provided information through consultations associated with the firm and received more than $35,000 for consultation calls. That figure is the reported payment for calls; it should not be confused with the fine or with an eventual sentence.
Then-Manhattan U.S. Attorney Preet Bharara said: “Manosha Karunatilaka thought he could moonlight for an expert networking firm and sell out his employer in the process.”
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What penalties were reported, and was he sentenced?
The 2011 report said the conspiracy count carried a maximum of five years in prison and a maximum fine of $250,000 or twice the gross gain or loss from the offense, plus forfeiture of proceeds. Those were stated maximum penalties, not the sentence imposed.
Sentencing was scheduled before U.S. District Judge Jed S. Rakoff for September 15, 2011. The available sources do not establish whether that hearing occurred or what sentence, if any, was ultimately imposed, so the scheduled date cannot be treated as proof of a sentencing outcome.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsWhat TSMC’s insider-trading rules say
TSMC’s published rules prohibit covered persons from trading company securities while possessing material nonpublic information and from passing such information to others who trade. The rules describe material information as information that could affect the share price or that a reasonable investor would consider important. They state: “Any person who possesses Material Non-public Information regarding the Company is considered an ‘insider’ for so long as the information is not known publicly.”
The policy also says a knowing violation may lead to disciplinary action, including termination, and may expose a person to civil or criminal liability. See TSMC’s corporate governance disclosures.
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Separately, TSMC’s 2025 annual-report disclosure says the company received no reports related to money laundering or insider trading in 2025 and lists zero monetary sanctions for the reported compliance categories. That later disclosure concerns 2025 and does not establish the outcome of Karunatilaka’s 2011 case. See TSMC’s annual reports.
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