Putnam Variable Trust

09/26/2024 | Press release | Distributed by Public on 09/26/2024 08:22

Summary Prospectus by Investment Company - Form 497K

VGOF- P17 09/24

SUPPLEMENT DATED SEPTEMBER 26, 2024

TO THE SUMMARY PROSPECTUS, PROSPECTUS AND

STATEMENT OF ADDITIONAL INFORMATION ("SAI")

OF EACH FUND LISTED IN SCHEDULE A

Effective September 30, 2024, the following changes are made to each Fund's Summary Prospectus, Prospectus and SAI:

1) The following replaces all references to Brett Kozlowski in the section titled "Your fund's management - Portfolio managers" in each Fund's Summary Prospectus and Prospectus:

Neil Dhruv
Portfolio Manager, portfolio manager of the fund since 2024.

Paul Varunok
Portfolio Manager, portfolio manager of the fund since 2024.

2) The following replaces all references to Brett Kozlowski in the section titled "Who oversees and manages the fund? - Portfolio managers" in each Fund's Prospectus:
Portfolio managers Joined fund Employer Positions over past five years
Neil Dhruv 2024

Franklin Advisers

2002 - Present

Portfolio Manager
Paul Varunok 2024

Franklin Advisers

2001 - Present

Portfolio Manager
3) The following replaces all references to Brett Kozlowski in the table in the section titled "PORTFOLIO MANAGERS - Other accounts managed" in each Fund's SAI:

Portfolio

managers

Other SEC-registered open-end and closed-end funds Other accounts that pool assets from more than one client Other accounts (including separate accounts, managed account programs and single-sponsor defined contribution plan offerings)
Number of accounts Assets Number of accounts Assets Number of accounts Assets
Neil Dhruv* 5 $3,542,800,000 2 $908,900,000 3** $3,454,300,000
Paul Varunok* 5 $3,542,800,000 3 $964,900,000 10*** $4,895,300,000

* Information is provided as of August 31, 2024.

** 1 account, with total assets of $2,297,100,000, pays an advisory fee based on account performance.
*** 2 accounts, with total assets of $3,523,900,000, pay an advisory fee based on account performance.

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4) The following replaces all references to Brett Kozlowski in the section titled "PORTFOLIO MANAGERS - Ownership of securities" in each Fund's SAI:
Portfolio manager(s) Dollar range of fund shares owned
Neil Dhruv* None
Paul Varunok* None
*Information is provided as of August 31, 2024.

Schedule A

Putnam Mortgage Opportunities Fund

Putnam Mortgage Securities Fund
Putnam VT Mortgage Securities Fund

Shareholders should retain this Supplement for future reference.

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