Boston-based currency trading social network Currensee inc. has bumped up its last funding round by $2 million, federal documents show. the Series C financing started in April 2011 with a $4 million from North Bridge Venture Partners, Egan-Managed Capital and Vernon & Park Capital LP. the new tranche of the round, according to documents filed with the U.S. Securities and Exchange Commission, saw the number of investors climb from four to five, although thy are not named. the only non-Currensee people listed as related persons in this filing are the same as in the first tranche – James Moran of North Bridge and Travis Connors of Egan-Managed Capital. at the time of the first tranche, Currensee officials said that the company would use the funds for product development, to expand overseas, growing staff levels at its offices in the United Kingdom and Europe, as well as looking for new partnership deals in Asia and Europe. the new funding tranche round brings the total financing for Currensee to date to $14.8 million. In April 2010, Currensee closed out its Series B round by bringing on new investor Vernon & Park, which brought the round to $8.8 million.  In October 2009, Currensee closed a Series A round at $6 million, which it began raising in 2008. Launched in 2008 as Tradual inc., Currensee says it is the first social network for trading on the foreign exchange market (Forex). Currensee’s primary products are Currensee Market Watch, a tool to track trader activity; its Currensee Trade Leaders program, an automated Forex social trade service; and the Currensee Intelligent Trade Replication Technology, a trade automation engine that manages the timing and round-turn execution of trades. A call to CEO David Lemont for comment was not immediately returned.