| Oct 18, 2024 | First NB of Lindsay | Lindsay | $107.8M | First Bank & Trust Co. |
| Jun 27, 2014 | The Freedom State Bank | Freedom | $22.8M | Alva State Bank & Trust Company |
| Jan 24, 2014 | The Bank of Union | El Reno | $317.2M | BancFirst |
| Jun 8, 2012 | First Capital Bank | Kingfisher | $44.4M | F & M Bank |
| Mar 11, 2011 | The First National Bank of Davis | Davis | $90.2M | The Pauls Valley Natiional Bank |
| Jan 28, 2011 | The First State Bank | Camargo | $44.5M | Bank 7 |
| Jul 9, 2010 | Home National Bank | Blackwell | $585.4M | RCB Bank |
| Jul 31, 2009 | First State Bank of Altus | Altus | $90.9M | Herring Bank |
| Mar 26, 1992 | American Bank of Commerce | Oklahoma City | $13.5M | Rockwell Bank National a |
| Mar 19, 1992 | Farmers & Merchants Bank | Tryon | $4.3M | Union NB of Chandler |
| Aug 29, 1991 | First National Bank and Trust Co | Blackwell | $33.5M | Central National Bank & Tru |
| Jul 19, 1991 | Clinton S & La | Clinton | $22.2M | Local Federal Bank, FSB |
| Apr 26, 1991 | Red River FS & La | Lawton | $422.2M | Branch sale |
| Apr 19, 1991 | Cimarron Federal Savings | Muskogee | $782.0M | Branch sale |
| Apr 19, 1991 | Chisholm FS & La | Kingfisher | $154.4M | Branch sale |
| Mar 22, 1991 | First FSA of Chickasha | Chickasha | $161.4M | Branch sale |
| Mar 22, 1991 | American Federal Bank | Ada | $110.2M | Home FS&LA of Ada |
| Mar 8, 1991 | First FSA of Wewoka | Wewoka | $32.9M | First State Bank |
| Dec 13, 1990 | First State Bank | Lexington | $7.5M | The McClain County National |
| Aug 24, 1990 | Broken Arrow Savings Assoc. | Broken Arrow | $26.9M | Metro Bank of Broken Arrow |
| Aug 16, 1990 | Capitol Bank & Trust | Oklahoma City | $33.1M | First Fidelity Bank, Nation |
| Jul 26, 1990 | Bank of Wilson | Wilson | $13.0M | American National Bank |
| Jul 26, 1990 | First National Bank | Purcell | $10.9M | McClain County National Ban |
| Jun 28, 1990 | Brookwood National Bank | Oklahoma City | $26.9M | The Liberty National Bank a |
| Jun 28, 1990 | American National Bank | Elk City | $14.8M | First Community Bank |
| Jun 14, 1990 | Exchange National Bank of Del City | Del City | $43.2M | First National Bank of Midw |
| Mar 15, 1990 | Bank of Meeker | Meeker | $15.5M | First State Bank |
| Mar 9, 1990 | Peoples FS & La | Bartlesville | $105.5M | WestStar Bank N.A. |
| Feb 16, 1990 | State FS & La | Tulsa | $526.3M | Branch sale |
| Feb 8, 1990 | The First National Bank of Colbert | Colbert | $17.9M | The Durant Bank & Trust Com |
| Dec 14, 1989 | North Side State Bank | Tulsa | $20.4M | Bank of Tulsa |
| Dec 13, 1989 | City National Bank of Sayre | Sayre | $21.0M | First State Bank and Trust |
| Nov 16, 1989 | Sooner Federal Savings Assoc. | Tulsa | $1.53B | First Gibraltar Bank, FSB |
| Oct 26, 1989 | Great Plains Savings | Weatherford | $99.8M | Local Federal Bank, FSB |
| Oct 19, 1989 | Park Avenue Bank, National Assoc | Oklahoma City | $17.9M | Founders Bank & Trust Compa |
| Oct 12, 1989 | North Bank, N.A. | Oklahoma City | $12.4M | The Liberty National Bank a |
| Oct 5, 1989 | American Home S & L | Edmond | $96.7M | Founders B&TC |
| Oct 5, 1989 | Family Savings Bank, FSB | Sapulpa | $50.9M | American NB&T |
| Aug 3, 1989 | First Bank and Trust Company | Yale | $28.5M | Mannford State Bank |
| Jul 20, 1989 | Utica National Bank & Trust Comp | Tulsa | $165.0M | The F & M Bank & Trust Comp |
| Jul 13, 1989 | Cross Roads S & La | Checotah | $16.8M | Peoples NB |
| May 31, 1989 | The First State Bank | Forgan | $11.7M | The Bank of Beaver City |
| May 18, 1989 | The Bank of Edmond, National Assoc | Edmond | $8.1M | First Interstate of Oklahom |
| Apr 13, 1989 | Allied Oklahoma Bank, National Assoc | Oklahoma City | $58.3M | Central Bank of Oklahoma Ci |
| Mar 30, 1989 | Harvard Bank | Tulsa | $23.1M | Southern National Bank |
| Mar 16, 1989 | Continental FS & La | Oklahoma City | $645.1M | Branch sale |
| Mar 16, 1989 | The Duncan S & L Assoc. | Duncan | $148.6M | Local FB, FSB |
| Mar 16, 1989 | First FED. S & La of Seminole | Seminole | $33.3M | First NB&TC of Holdenville |
| Jan 27, 1989 | Oakwood National Bank | Enid | $23.0M | National BK of Com of AL |
| Jan 12, 1989 | Rolling Hills State Bank | Piedmont | $13.2M | Farmers & Merchants Bank of |