Ahmed, 43, a graduate of the Indian Institute of Technology in New Delhi and Harvard Business School, was last month charged with insider trading in relation to the 2013 proposed acquisition of American company Cooper Tire and Rubber by India's Apollo Tyres.
In a separate complaint unsealed yesterday in US District Court in Connecticut, the SEC alleges that Ahmed illegally profited by having funds managed by the firm Oak Investment Partners pay inflated prices for e-commerce investments.
The Harvard Business School graduate had Oak funds pay USD 20 million for a USD 2 million stake in an Asian e-commerce joint venture in December 2014, pocketing the USD 18 million difference for himself.
In another investment in August 2014, an Oak fund overpaid for shares in a China-based e-commerce company, allowing Ahmed to pocket USD 2 million.
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The SEC's complaint charges Ahmed with violating federal antifraud laws and related SEC antifraud rules.
The emergency court order obtained by the SEC freezes up to USD 55 million of Ahmed's assets, prohibits him from destroying evidence and orders expedited discovery.
In charges filed against him last month in the Cooper Tire case, the SEC alleged that Ahmed's friend Amit Kanodia had tipped him and another friend prior to the acquisition announcement after learning of the deal from his wife, then the general counsel at Apollo who was intimately involved in Apollo's efforts to acquire Cooper Tire.