Post-Effective Amendment to Post-Effective Amendment by Investment Company (Form 485BXT)

As filed with the Securities and Exchange Commission on May 12, 2026

1933 Act Registration No. 333-240059

1940 Act File No. 811-03373

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

(Check appropriate box or boxes.)

SEGALL BRYANT & HAMILL TRUST

(Exact name of Registrant as Specified in Charter)

225 Pictoria Drive, Suite 450

Cincinnati, Ohio 45246

(Address of principal executive offices) (Zip Code)

Registrant's Telephone Number, including Area Code: (513) 587-3400

Maggie Bull, Secretary

Segall Bryant & Hamill Trust

225 Pictoria Drive, Suite 450

Cincinnati, Ohio 45246

(Name and Address of Agent of Service)

Copy to:

Peter H. Schwartz, Esq.

Davis Graham & Stubbs LLP

3400 Walnut Street, Suite 700

Denver, CO 80205

It is proposed that this filing will become effective (check appropriate box):

If appropriate, check the following box:

Explanatory Note

This Post-Effective Amendment No. 155 to the Registrant's Registration Statement on For N-1A is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 of the Securities Act of 1933, as amended (the "1933 Act"), solely for the purpose of delaying, until June 12, 2026, the effectiveness of the registration statement for the Segall Bryant & Hamill Intermediate Fixed Income ETF, filed in Post-Effective Amendment No. 151 on December 31, 2025 pursuant to paragraph (a) of Rule 485 of the 1933 Act. Parts A, B, and C of Registrant's Post-Effective Amendment No. 151 under the Securities Act of 1933 and Amendment No. 152 under the Investment Company Act of 1940 are incorporated by reference herein.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this registration statement under rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Denver and State of Colorado on the 12th day of May, 2026.

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment to Registrant's Registration Statement has been signed by the following persons in the capacities and on the dates indicated: