
The Wall Street Journal reported yesterday (25 September) that while the daily deals company remained committed to floating, regulators have been investigating its IPO documents more aggressively, making it unclear when this would be.
Volatility in the stock market is also causing uncertainly over timing, according to the report.
In an amended securities filing published by the company last Friday (23 September) it reported revenues of $312.9m (£202.1m) for 2010, more than half its previously reported revenues of $713.4m.
On the same day, Groupon announced that its chief operating officer, Margo Georiadis, was leaving the company after five months, to return to her previous employer Google as president of the Americas region.
Groupon sells money-off coupons on behalf of local businesses around the world. It has 83 million consumer subscribers and operates in 43 countries. It was started three years ago and achieved revenues of $94m in its first year.
Last year, . The company subsequently managed to raise $1bn from institutional investors.
, looking to raise $750m in extra funding.