Diamond Offshore Drilling Inc COM 25271C201 BBG010JCFCD4 10288669 700863 SH SOLE 700863 0 0 Nuveen Preferred & Income Oppo COM 67073B106 BBG000BD4GK6 2785200 440000 SH SOLE 440000 0 0 Summit Midstream Partners LP COM UNIT LTD 866142409 BBG003B91XR8 170986 12350 SH SOLE 12350 0 0