* Deerfield Management Company L.P. reports 6.97 percent stake in Proteon Therapeutics Inc as of June 22 - SEC filing

* Anticipate Jonathan Leff, partner at Deerfield Management, to be named to board of directors of Proteon Therapeutics Inc Source text: (bit.ly/2tqhY58) Further company coverage: (Bengaluru Newsroom: +91 806 749 1136)