Form 485BXT RBB FUND, INC.

 

Filed with the Securities and Exchange Commission on January 29, 2026

 

1933 Act Registration File No. 033-20827

1940 Act Registration File No. 811-05518

 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM N-1A

 

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933			[	X	]
Pre-Effective Amendment No.			[		]
Post-Effective Amendment No.	384		[	X	]

 

and/or

 

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940			[	X	]
Amendment No.	389		[	X	]

 

(Check appropriate box or boxes.)

 

THE RBB FUND, INC.

(Exact Name of Registrant as Specified in Charter)

 

615 East Michigan Street

Milwaukee, Wisconsin 53202

 

(Address of Principal Executive Offices, including Zip Code)

 

Registrant’s Telephone Number, including Area Code: (609) 731-6256

Copies to:

 

STEVEN PLUMP		JILLIAN L. BOSMANN, ESQUIRE
The RBB Fund, Inc.		Faegre Drinker Biddle & Reath LLP
615 East Michigan Street		One Logan Square, Suite 2000
Milwaukee, Wisconsin 53202		Philadelphia, Pennsylvania 19103-6996

 

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

 

[		]	immediately upon filing pursuant to paragraph (b)
[	X	]	on February 27, 2026 pursuant to paragraph (b)
[		]	60 days after filing pursuant to paragraph (a)(1)
[		]	on (date) pursuant to paragraph (a)(1)
[		]	75 days after filing pursuant to paragraph (a)(2)
[		]	on (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

 

[

X

]

This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

 

 

 

EXPLANATORY NOTE

 

Designation of New Effective Date for Previously Filed Post-Effective Amendment

 

Post-Effective Amendment No. 353 (the “Amendment”) was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933, as amended (the “1933 Act”), on May 28, 2025 and pursuant to Rule 485(a)(2) would have become effective on August 11, 2025.

 

Post-Effective Amendment No. 361 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on August 8, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to September 10, 2025 with respect to F/m Compoundr Total Return Bond ETF, F/m Compoundr AAA CLO ETF, and F/m Compoundr Investment Grade Bond ETF (each a “Fund” and together, the “Funds”), each a series of the Registrant.

 

Post-Effective Amendment No. 364 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on September 9, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to October 10, 2025 with respect to the Funds.

 

Post-Effective Amendment No. 369 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on October 9, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to November 7, 2025 with respect to the Funds.

 

Post-Effective Amendment No. 372 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on November 6, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to December 5, 2025 with respect to the Funds.

 

Post-Effective Amendment No. 377 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on December 4, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to December 31, 2025 with respect to the Funds.

 

Post-Effective Amendment No. 380 was filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act on December 30, 2025 for the sole purpose of extending the date upon which the Amendment was to become effective to January 30, 2026 with respect to the Funds.

 

This Post-Effective Amendment No. 384 is being filed pursuant to Rule 485(b)(1)(iii) under the 1933 Act for the sole purpose of designating February 27, 2026 as the new date upon which the Amendment shall become effective with respect to the Funds.

 

This Post-Effective Amendment No. 384 incorporates by reference the information contained in Parts A, B and C of the Amendment with respect to the Funds.

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Act of 1933, as amended (the “1933 Act”), and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Post-Effective Amendment to its Registration Statement under Rule 485(b) under the 1933 Act and has duly caused this Post-Effective Amendment to its Registration Statement to be signed on its behalf by the undersigned, thereto duly authorized, in the City of Short Hills and State of New Jersey on the 29th day of January, 2026.

 

	THE RBB FUND, INC.
	By: /s/ Steven Plump
	Steven Plump
	President

 

Pursuant to the requirements of the 1933 Act, this Amendment to Registrant’s Registration Statement has been signed below by the following persons in the capacities and on the date indicated.

 

SIGNATURE		TITLE		DATE
/s/ Steven Plump		President (Principal Executive Officer)		January 29, 2026
Steven Plump
/s/ James G. Shaw		Chief Financial Officer (Principal Financial and Accounting Officer)		January 29, 2026
James G. Shaw
*Gregory P. Chandler		Director		January 29, 2026
Gregory P. Chandler
*Lisa A. Dolly		Director		January 29, 2026
Lisa A. Dolly
*Nicholas A. Giordano		Director		January 29, 2026
Nicholas A. Giordano
*Arnold M. Reichman		Director		January 29, 2026
Arnold M. Reichman
*Robert Sablowsky		Director		January 29, 2026
Robert Sablowsky
*Brian T. Shea		Director		January 29, 2026
Brian T. Shea
*Martha Tirinnanzi		Director		January 29, 2026
Martha Tirinnanzi

 

*By:	/s/ James G. Shaw
James G. Shaw
Attorney-in-Fact

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Gregory P. Chandler, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw his true and lawful attorneys, to execute in his name, place, and stead, in his capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in his name and on his behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as he might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Gregory P. Chandler
	Gregory P. Chandler

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Lisa A. Dolly, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw her true and lawful attorneys, to execute in her name, place, and stead, in her capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in her name and on her behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as she might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Lisa A. Dolly
	Lisa A. Dolly

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Nicholas A. Giordano, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw his true and lawful attorneys, to execute in his name, place, and stead, in his capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in his name and on his behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as he might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Nicholas A. Giordano
	Nicholas A. Giordano

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Arnold M. Reichman, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw his true and lawful attorneys, to execute in his name, place, and stead, in his capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in his name and on his behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as he might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Arnold M. Reichman
	Arnold M. Reichman

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Robert Sablowsky, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw his true and lawful attorneys, to execute in his name, place, and stead, in his capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in his name and on his behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as he might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Robert Sablowsky
	Robert Sablowsky

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Brian T. Shea, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw his true and lawful attorneys, to execute in his name, place, and stead, in his capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in his name and on his behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as he might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Brian T. Shea
	Brian T. Shea

 

 

 

 

THE RBB FUND, INC.

(the “Company”)

 

THE RBB FUND TRUST

(the “Trust”)

 

POWER OF ATTORNEY

 

Know All Men by These Presents, that the undersigned, Martha A. Tirinnanzi, hereby constitutes and appoints Jillian L. Bosmann, Edward Paz, Steven Plump, and James G. Shaw her true and lawful attorneys, to execute in her name, place, and stead, in her capacity as Director/Trustee or officer, or both, of the Company and of the Trust, the Registration Statement and any amendments thereto and all instruments necessary or incidental in connection therewith, and to file the same with the U.S. Securities and Exchange Commission; and said attorneys shall have full power and authority to do and perform in her name and on her behalf, in any and all capacities, every act whatsoever requisite or necessary to be done in the premises, as fully and to all intents and purposes as she might or could do in person, said acts of said attorneys being hereby ratified and approved.

 

DATED:	July 9, 2025
	/s/ Martha A. Tirinnanzi
	Martha A. Tirinnanzi

 

 

 

 

 

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