Company: BANFP
Filing Date: 2025-08-05
Form Type: S-3ASR
Source: 0000950170-25-102928
Chunk: 1

Company: BANCFIRST CORP /OK/
Filing Date: 2025-08-05
Form: S-3ASR
Chunk 1
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) under the Securities Act, check the following box.  If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.  Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “small reporting company” in Rule 12b-2 of the Exchange Act.

| Large accelerated filer | ☒ | Accelerated filer         | ☐ |
| Non-accelerated filer   | ☐ | Smaller reporting company | ☐ |
| Emerging growth company | ☐ |                           |   |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transaction period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  _______________________

PROSPECTUS

<div align='center'>BANCFIRST CORPORATION

Common Stock</div>

By this prospectus, we may offer and sell from time to time, in one or more offerings, shares of our common stock.

We will provide specific terms of each issuance of these securities in supplements to this prospectus. We may offer and sell these securities to or through one or more underwriters, dealers and agents, or directly to purchasers, on a continuous or delayed basis. If any underwriters, dealers or agents are involved in the sale of securities, the prospectus supplement will set forth any applicable commission or discounts. See “Plan of Distribution” for a general description of the manner in which we may sell the securities described in this prospectus. You should carefully read this prospectus and the applicable prospectus supplement, together with the documents incorporated by reference, before you decide to invest in the securities described in the applicable prospectus supplement.

Each time that we sell securities using this prospectus; we may provide a prospectus supplement and attach it to this prospectus. Any such prospectus supplement will contain more specific information about the offering and the securities being offered, including the prices and our net proceeds from the sales of those securities. The prospectus supplement may also add, update or change information contained in this prospectus.

Our common stock is