As filed with the Securities and Exchange Commission on September 23, 2025
Securities Act File No. 333-57793
Investment Company Act of 1940 File No. 811-08839
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM N-1A
REGISTRATION STATEMENT
UNDER
| THE SECURITIES ACT OF 1933 | ☒ | |||
| Post-Effective Amendment No. 325 | ☒ |
And
REGISTRATION STATEMENT
UNDER
| THE INVESTMENT COMPANY ACT OF 1940 | ☒ | |||
| Amendment No. 326 | ☒ |
SPDR® SERIES TRUST
(Exact Name of Registrant as Specified in Charter)
One Congress Street
Boston, Massachusetts 02114
(Address of Principal Executive Offices)
Registrant’s Telephone Number: (617) 664-1465
Andrew J. DeLorme, Esq.
Chief Legal Officer
c/o SSGA Funds Management, Inc.
One Congress Street
Boston, Massachusetts 02114
(Name and Address of Agent for Service)
Copies to:
W. John McGuire, Esq.
Morgan, Lewis & Bockius LLP
1111 Pennsylvania Avenue, NW
Washington, DC 20004
It is proposed that this filing will become effective:
| ☐ | immediately upon filing pursuant to Rule 485, paragraph (b) |
| ☒ | on September 30, 2025 pursuant to Rule 485, paragraph (b) |
| ☐ | 60 days after filing pursuant to Rule 485, paragraph (a)(1) |
| ☐ | on _________________ pursuant to Rule 485, paragraph (a)(1) |
| ☐ | 75 days after filing pursuant to Rule 485, paragraph (a)(2) |
| ☐ | on _________________ pursuant to Rule 485, paragraph (a)(2) |
| ☒ | this post-effective amendment designates a new effective date for a previously filed post-effective amendment. |
NOTE: This Post-Effective Amendment No. 325 to the Registrant’s Registration Statement on Form N-1A is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act of 1933, as amended (the “Securities Act”), solely for the purpose of delaying, until September 30, 2025, the effectiveness of Post-Effective Amendment No. 322 to the Registrant’s Registration Statement on Form N-1A, with respect to the State Street® SPDR® Portfolio Ultra Short T-Bill ETF, which was filed pursuant to Rule 485(a) under the Securities Act on July 11, 2025 (the “Amendment”).
Part A. INFORMATION REQUIRED IN A PROSPECTUS
Part A is incorporated by reference to Part A of the Amendment.
Part B. INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION
Part B is incorporated by reference to Part B of the Amendment.
Part C. OTHER INFORMATION
Part C is incorporated by reference to Part C of the Amendment.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, SPDR® Series Trust, the Registrant, certifies that it meets all the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b)(1)(iii) under the Securities Act of 1933, as amended, and has duly caused this Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunder duly authorized, in the City of Boston and the Commonwealth of Massachusetts on the 23rd day of September, 2025.
| SPDR SERIES TRUST | ||
| By: | /s/ Ann M. Carpenter | |
| Ann M. Carpenter | ||
| President | ||
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, this Amendment to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated:
| SIGNATURES | TITLE | DATE | ||
| /s/ Carolyn M. Clancy* |
Trustee | September 23, 2025 | ||
| Carolyn M. Clancy | ||||
| /s/ Dwight D. Churchill* |
Trustee | September 23, 2025 | ||
| Dwight D. Churchill | ||||
| /s/ Clare S. Richer* |
Trustee | September 23, 2025 | ||
| Clare S. Richer | ||||
| /s/ Kristi L. Rowsell* Kristi L. Rowsell |
Trustee | September 23, 2025 | ||
| /s/ Sandra G. Sponem* |
Trustee | September 23, 2025 | ||
| Sandra G. Sponem | ||||
| /s/ Carl G. Verboncoeur* |
Trustee | September 23, 2025 | ||
| Carl G. Verboncoeur | ||||
| /s/ Jeanne LaPorta* |
Trustee | September 23, 2025 | ||
| Jeanne LaPorta | ||||
| /s/ James E. Ross* |
Trustee | September 23, 2025 | ||
| James E. Ross | ||||
| /s/ Ann M. Carpenter Ann M. Carpenter |
President and Principal Executive Officer | September 23, 2025 | ||
| /s/ Bruce S. Rosenberg Bruce S. Rosenberg |
Treasurer and Principal Financial Officer (fulfills the role of Principal Accounting Officer) | September 23, 2025 | ||
| *By: | /s/ Edmund Gerard Maiorana, Jr. | |
| Edmund Gerard Maiorana, Jr. | ||
| As Attorney-in-Fact Pursuant to Power of Attorney |