JOHN HANCOCK BOND TRUST JOHN HANCOCK CALIFORNIA TAX-FREE INCOME FUND JOHN HANCOCK CAPITAL SERIES JOHN HANCOCK COLLATERAL TRUST JOHN HANCOCK CURRENT INTEREST JOHN HANCOCK FUNDS II JOHN HANCOCK FUNDS III JOHN HANCOCK INVESTMENT TRUST   JOHN HANCOCK INVESTMENT TRUST II JOHN HANCOCK INVESTORS TRUST JOHN HANCOCK MUNICIPAL SECURITIES TRUST JOHN HANCOCK SOVEREIGN BOND FUND JOHN HANCOCK STRATEGIC SERIES JOHN HANCOCK TAX-ADVANTAGED GLOBAL SHAREHOLDER YIELD FUND JOHN HANCOCK VARIABLE INSURANCE TRUST

Supplement dated August 31, 2019 to the current Statement of Additional Information, as may be supplemented (the “SAI”)

Effective August 31, 2019, Theron S. Hoffman retired as an Independent Trustee. Accordingly, all references to Mr. Hoffman as a current Independent Trustee are removed from the SAI.

In addition, certain information under “Duties of Trustees; Committee Structure” is amended and restated to reflect updated Committee membership and Chairpersons, as applicable, for the Committees shown below:

Audit Committee. The Board has a standing Audit Committee composed solely of Independent Trustees (Messrs. Bardelis, Burgess and Oates). Mr. Burgess serves as Chairperson of this Committee.

Contracts, Legal & Risk Committee. The Board also has a standing Contracts, Legal & Risk Committee (Messrs. Boyle, Pruchansky and Russo). Mr. Russo serves as Chairperson of this Committee.

Investment Committee. The Board also has an Investment Committee composed of all of the Trustees. The Investment Committee has five subcommittees with the Trustees divided among the five subcommittees (each an “Investment Sub-Committee”). Ms. Jackson and Messrs. Bardelis, Boyle, Cunningham and Oates serve as Chairpersons of the Investment Sub-Committees.

You should read this Supplement in conjunction with the SAI and retain it for future reference.