Morgan Stanley Insight Fund reported its 2026 annual voting coverage for one series and no other included managers. Investors receive proxy voting disclosure only for the Morgan Stanley Insight Fund series for the year ended June 30, 2026.

Morgan Stanley Insight Fund confirmed that the prospectus and statement of additional information in Post-Effective Amendment No. 78 would not differ from the version filed on April 30, 2026.

Morgan Stanley Insight Fund Class IR updated its Summary Prospectus dated April 30, 2026, with a 0.85% net annual operating expense cap after fee waiver and reimbursement and 48% portfolio turnover. Investors can buy or sell shares directly on NYSE open days, subject to a $5 million minimum initial investment for most purchasers.

Morgan Stanley Insight Fund updated its Summary Prospectus for April 30, 2026, showing Class L shares remain suspended for sale while existing holders may still reinvest dividends and distributions. The change preserves existing Class L shareholder access only through reinvestment.

Morgan Stanley Insight Fund added a new Class IR share class for $5 million minimum initial investments, priced at NAV with no sales load and a 0.85% expense cap after waivers. Eligible investors in Class IR are subject to the same redemption and exchange procedures as the other Morgan Stanley share classes.

Morgan Stanley Insight Fund reported $173.2 million of sales and $450.0 million of redemptions or repurchases for the fiscal year ended December 31, 2025, resulting in $2.5 billion of redemption credits available. The filing indicates no registration fee is due and $2.4 billion of redemption credits remain available for future years.

Morgan Stanley Insight Fund and Morgan Stanley Long Duration Government Opportunities Fund updated Class A share right of accumulation calculations to include E*Trade No Fee Index Fund shares held in Related Accounts, effective February 27, 2026. This may affect how investors qualify for sales charge discounts under each Prospectus.

Morgan Stanley is using additional proxy solicitation materials to contact shareholders of several Morgan Stanley funds and encourage votes at upcoming shareholder meetings. The materials explain how voting will be recorded by phone and confirmed in writing.

Morgan Stanley Funds are asking shareholders to elect five Independent Directors, including Frances L. Cashman and Eddie A. Grier, with a teleconference meeting set for February 25, 2022. Approval would give each Board more flexibility to fill future vacancies by appointment without additional shareholder meetings.

Morgan Stanley Aggressive Equity Fund adjourned its Special Meeting of Shareholders to October 30, 2006 to solicit additional votes on the proposed Agreement and Plan of Reorganization. The Board of Trustees unanimously recommends approval.