This seems like a defensive move to insulate Lending Club in case the current court ruling goes against eBay.
This is from eBay's most recent 10Q:
In May 2010, a lawsuit was filed against Bill Me Later, PayPal and eBay in California state court, alleging that in its relationship with the chartered financial institution, Bill Me Later is acting as the true lender to customers and violating various California laws, including the state’s usury law. That suit was later removed to the U.S. District Court for the Central District of California. In September 2011, WebBank requested to intervene in the action and was added as a party to the action. In October 2011, the court transferred the case to the U.S. District Court for the District of Utah. Following the transfer, the Utah Court allowed plaintiffs the opportunity to amend the complaint and plaintiffs filed an amended complaint in February 2012. We and WebBank filed a motion to dismiss all claims in the amended complaint in March 2012. A hearing on the motion was held by the court in September 2012 and the matter is still before the Court.
If the court rules against Bill Me Later and considers them the true lender then I think other similar customers of WebBank, like Lending Club, may also be considered true lender. Obviously, this would require an entirely new regulatory regime for Lending Club, which would likely be very detrimental to its business.
By allowing WebBank to "season and sell" the loans, even if it is just for a few days, I believe that it strengthens Lending Club's case that WebBank is the true lender.
Smart move by Lending Club to clean up a loose end before their IPO.