4972020-06-30SPDR SERIES TRUST0001064642falseN-1AThe Fund’s “Management fees” and “Total annual Fund operating expenses” have been restated to reflect a reduction in the Fund’s management fee. 0001064642 2020-10-31 2020-10-31 0001064642 spdrst:S000017334Member 2020-10-31 2020-10-31 0001064642 spdrst:S000031836Member 2020-10-31 2020-10-31 0001064642 spdrst:S000017334Member spdrst:C000047971Member 2020-10-31 2020-10-31 0001064642 spdrst:S000031836Member spdrst:C000099139Member 2020-10-31 2020-10-31 iso4217:USD xbrli:pure
SPDR Series Trust
SPDR
®
Portfolio Aggregate Bond ETF
(the “Fund”)
Supplement dated June 29, 2021 to the Prospectus and
Statement of Additional Information (“SAI”), each dated October 31, 2020,
as may be supplemented from time to time
Effective immediately, SSGA Funds Management, Inc., the investment adviser to the Fund, has agreed to reduce the Fund’s management fee from 0.04% to 0.03% of the Fund’s average daily net assets. Accordingly, effective immediately, the fee table and example table in the “FEES AND EXPENSES OF THE FUND” section on page 50 of the Prospectus are deleted and replaced with the following:
FEES AND EXPENSES OF THE FUND
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund (“Fund Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.​​​​​​​
ANNUAL FUND OPERATING EXPENSES
(expenses that you pay each year as a percentage of the value of your investment):
 
Management fees
1
     0.03
Distribution and service
(12b-1)
fees
     None  
Other expenses
     0.00
Total annual Fund operating expenses
1
     0.03
 
  1
The Fund’s “Management fees” and “Total annual Fund operating expenses” have been restated to reflect a reduction in the Fund’s management fee.
EXAMPLE:
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:​​​​​​​
 
Year 1
   
Year 3
   
Year 5
   
Year 10
 
$ 3     $ 10     $ 17     $ 39  
Effective immediately, all additional references in the Prospectus and SAI to the Fund’s management fee are revised as indicated above.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
62921SUPP1

SPDR Series Trust
SPDR
®
Portfolio Corporate Bond ETF
(the “Fund”)
Supplement dated June 29, 2021 to the Prospectus and
Statement of Additional Information (“SAI”), each dated October 31, 2020,
as may be supplemented from time to time
Effective immediately, SSGA Funds Management, Inc., the investment adviser to the Fund, has agreed to reduce the Fund’s management fee from 0.06% to 0.03% of the Fund’s average daily net assets. Accordingly, effective immediately, the fee table and example table in the “FEES AND EXPENSES OF THE FUND” section on page 56 of the Prospectus are deleted and replaced with the following:
FEES AND EXPENSES OF THE FUND
The table below describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund (“Fund Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.​​​​​​​
ANNUAL FUND OPERATING EXPENSES
(expenses that you pay each year as a percentage of the value of your investment):
 
Management fees
1
     0.03
Distribution and service
(12b-1)
fees
     None  
Other expenses
     0.00
Total annual Fund operating expenses
1
     0.03
 
  1
The Fund’s “Management fees” and “Total annual Fund operating expenses” have been restated to reflect a reduction in the Fund’s management fee.
EXAMPLE:
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated, and then sell all of your Fund Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
 
Year 1
   
Year 3
   
Year 5
   
Year 10
 
$ 3     $ 10     $ 17     $ 39  
Effective immediately, all additional references in the Prospectus and SAI to the Fund’s management fee are revised as indicated above.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
62921SUPP2