* Xtant Medical Holdings Inc - effective June 30, 2017 units entered into fifteenth amendment to amended and restated credit agreement - sec filing

* Xtant Medical Holdings - amendment further defers unit's accrued interest payment date for fiscal quarter ended on December 31, 2016 until July 15, 2017

* Xtant Medical Holdings - amendment also deferrs unit's accrued interest payment date for fiscal qtrs ended on march 31 and June 30 until July 15 Source text (bit.ly/2tRSrm7) Further company coverage: