DEERFIELD, Ill., April 27, 2020 (GLOBE NEWSWIRE) — RTI Surgical Holdings, Inc. (Nasdaq: RTIX), a global surgical implant company, today announces a second amendment to its definitive agreement for the sale of RTI Surgical Holdings’ OEM business to Montagu Private Equity LLP (‘Montagu’), a leading European private equity firm. Second Amendment Overview Reduces the cash …