DEERFIELD, Ill., March 20, 2020 (GLOBE NEWSWIRE) — As announced on March 16, 2020, RTI Surgical Holdings, Inc. (Nasdaq: RTIX), a global surgical implant company, filed a Notification of Late Filing on Form 12b-25, indicating that the filing of its Annual Report on Form 10-K for the fiscal year ended December 31, 2019 (the “Form …