UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION
UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934
OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Commission File Number: 001-38280
STELLAR BANCORP, INC.
(PROSPERITY BANCSHARES, INC., AS SUCCESSOR BY MERGER TO STELLAR BANCORP, INC.)
(Exact name of registrant as specified in its charter)
c/o Prosperity Bancshares, Inc.
as successor by merger to Stellar Bancorp, Inc.
4295 San Felipe
Houston, Texas 77027
(281) 269-7199
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
Common Stock, par value $0.01 per share
(Title of each class of securities covered by this Form)
None
(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:
| Rule 12g-4(a)(1) |
☒ | |
| Rule 12g-4(a)(2) |
☐ | |
| Rule 12h-3(b)(1)(i) |
☒ | |
| Rule 12h-3(b)(1)(ii) |
☐ | |
| Rule 15d-6 |
☐ | |
| Rule 15d-22(b) |
☐ |
Approximate number of holders of record as of the certification or notice date: None*
| * | On July 1, 2026, Stellar Bancorp, Inc. merged with and into Prosperity Bancshares, Inc., at which time the separate corporate existence of Stellar Bancorp, Inc. ended. |
Pursuant to the requirements of the Securities Exchange Act of 1934, Prosperity Bancshares, Inc. (as successor by merger to Stellar Bancorp, Inc.) has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.
| Date: July 13, 2026 |
Prosperity Bancshares, Inc. | |||||
| By: | /s/ Charlotte M. Rasche | |||||
| Name: |
Charlotte M. Rasche | |||||
| Title: |
Executive Vice President and General Counsel | |||||