OPB METHODOLOGY
ORR Pin Bridge (Explainer Rail)
ORR is the change-control rail for this Explainer — one FFIEC stack per cvr_cycle_id, one narrative pin per pre-close deal.
Deal teams should recognize these TRNSFM markings; OPB foots them at the Explainer cut plane for client-side audit.
Me = slice @ pin. Them = merged standalone @ pin. Post-close absorption is a lineage assumption only.
PRC bridge reads Smartmarkets LIBRARY at pin-replayed org_keys — same accretion instrument as forward minted DealCard, just with a past-tense exemplary cut.
See Prompt Chip for the production mint on your next deal. This Review Explainer trains the bridge — not production mint (you will not be able to mint this deal card; Them is already rolled under).
ORR STACK / CHANGE PLANE
Explainer Cut @ 2025-11-17
Pin 2025-11-17 · ORR-8150-bank-2026Q2-rev1 · Me org_key 811133286 · Them org_key 813043008 standalone @ pin.
Exclude transforms on or after 2025-11-18 (forward CVR).
Pre-pin stack changes (newest first):
2018-01-12 — First Wagoner Corporation → Bancfirst Corporation → Me stack change
2018-01-12 — First Chandler Corp. → Bancfirst Corporation → Me stack change
2015-10-08 — Csb Bancshares, Inc. → Bancfirst Corporation → Me stack change
2011-07-12 — Fbc Financial Corporation → Bancfirst Corporation → Me stack change
2010-12-15 — Ok Bancorporation, Inc. → Bancfirst Corporation → Me stack change
2010-12-10 — Exchange Bancshares Of Moore, Inc. → Bancfirst Corporation → Me stack change
2010-10-08 — Union National Bancshares, Inc. → Bancfirst Corporation → Me stack change
2009-12-09 — First Jones Bancorporation, Inc. → Bancfirst Corporation → Me stack change
2006-12-13 — Territory Holding Company → Ameribank Holding Company → Them stack change
2003-10-15 — Lincoln National Bancorporation → Bancfirst Corporation → Me stack change
2000-10-01 — First Southwest Corporation → Bancfirst Corporation → Me stack change
1998-12-01 — Kingfisher Bancorp, Inc. → Bancfirst Corporation → Me stack change
1998-10-01 — Amquest Financial Corp. → Bancfirst Corporation → Me stack change
1998-05-01 — Lawton Security Bancshares, Incorporated → Bancfirst Corporation → Me stack change
1996-10-25 — Commerce Bancorporation, Inc. → Bancfirst Corporation → Me stack change
1994-01-01 — First Stratford Bancorporation, Inc. → Bancfirst Corporation → Me stack change
1994-01-01 — Weatherford Bancorporation, Inc. → Bancfirst Corporation → Me stack change
1994-01-01 — Coweta Bancshares, Inc. → Bancfirst Corporation → Me stack change
1987-12-02 — First Prague Bancorporation, Inc. → Bancfirst Corporation → Me stack change
1987-12-01 — Arbuckle Bancorp, Inc. → Bancfirst Corporation → Me stack change
1987-12-01 — First Madill Bancorporation, Inc. → Bancfirst Corporation → Me stack change
1987-12-01 — Kiamichi Bancshares, Inc. → Bancfirst Corporation → Me stack change
1986-12-01 — Citibanc Holding Company, Inc. → Bancfirst Corporation → Me stack change
Post-close (excluded from geography):
2025-11-18 — RSSD 3043008 → RSSD 1133286 [after pin · TRNSFM_CD=1]
2025-11-18 — Ameribank Holding Company → Bancfirst Corporation [after pin · TRNSFM_CD=1]
Internal control: PRC @ 2025-11-17 = stack after scroll above, before post-close absorption.