2026-02-11T11:51:26+00:00 2025-03-31 440160260 Forvis Mazars LLP 14221 Dallas Parkway Suite 400 Dallas TX 75254 990EZ 2024-04-01 731386765 OBI Holding Company OBIH 4052975700 1001 North Lincoln Blvd Oklahoma City OK 731043251 RANDALL STARK CFO/TREASURER 2026-02-11 true Andrew Gray P01517705 9727028262 2026-02-16 2024 2025-03-06 01:10:19Z X X N/A X X 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 X SUPPORT ITS WHOLLY-OWNED SUBSIDIARY, OKLAHOMA BLOOD INSTITUTE (OBI), AN OKLAHOMA NON-PROFIT CORPORATION, AND ANY OTHER WHOLLY-OWNED SUBSIDIARY WHICH MAY BE FORMED. SUPPORT ITS WHOLLY-OWNED SUBSIDIARY, OKLAHOMA BLOOD INSTITUTE (OBI), AN OKLAHOMA NON-PROFIT CORPORATION, AND ANY OTHER WHOLLY-OWNED SUBSIDIARY WHICH MAY BE FORMED. 0 0 0 John B Armitage MD President & CEO 1.000 0 0 0 Richard Boatsman MD Board Chairman 1.000 0 0 0 David R Carpenter Board Vice Chairman 1.000 0 0 0 Randall G Stark Treasurer & CFO 1.000 0 0 0 Larry Bookman MD DIRECTOR 1.000 0 0 0 Henry J Hood DIRECTOR 1.000 0 0 0 Randal C Juengel MD DIRECTOR 1.000 0 0 0 Evan Vincent DIRECTOR 1.000 0 0 0 false false false false false 0 false false 0 0 0 0 false false OK RANDALL STARK 1001 NORTH LINCOLN BLVD OKLAHOMA CITY OK 73104 4052975509 false false false false false true false false false false false true X X 1 OKLAHOMA BLOOD INSTITUTE 731008735 9 true 0 0 1 0 0 true false false false false false false false false false false false false false false false Schedule A, Part IV, Section C, Line 1 OBI HOLDING COMPANY IS THE SOLE CORPORATE MEMBER OF OKLAHOMA BLOOD INSTITUTE (OBI). AS SOLE CORPORATE MEMBER, OBI HOLDING COMPANY'S DUTIES INCLUDE (BUT ARE NOT LIMITED TO) ELECTION OF THE BOARD OF DIRECTORS AND PRESIDENT OF OBI. DIRECTORS OF OBI ARE LARGELY ELECTED AT THE ANNUAL MEETING OF THE CORPORATION. TWO DIRECTORS ARE APPOINTED BY TWO UNRELATED ASSOCIATIONS/SOCIETIES. ADDITIONALLY, OFFICERS AND MANAGEMENT OF THE ORGANIZATIONS ARE VESTED IN THE SAME INDIVIDUALS. Form 990-EZ, Part III, Exempt Purpose PRIMARY EXEMPT PURPOSE SUPPORT ITS WHOLLY-OWNED SUBSIDIARY, OKLAHOMA BLOOD INSTITUTE (OBI), AN OKLAHOMA NON-PROFIT CORPORATION, AND ANY OTHER WHOLLY-OWNED SUBSIDIARY WHICH MAY BE FORMED.