Form 424B3 RoboStrategy, Inc.

Filed Pursuant to Rule 424(b)(3)

Registration File No.  333-291400

RoboStrategy, Inc.

19,655,968 Shares of Common Stock

Supplement No. 5, dated July 8, 2026

to the

Prospectus and Statement of Additional Information dated May 5, 2026, as amended or supplemented as of the date hereof

This prospectus supplement modifies, amends and supplements certain information contained in the Prospectus of RoboStrategy, Inc. (the “Fund”) dated May 5, 2026, as amended or supplemented (the “Prospectus”) and the statement of additional information, dated May 5, 2026, as amended or supplemented (the “Statement of Additional Information”). Capitalized terms used in this prospectus supplement and not otherwise defined have the meaning specified in the Prospectus and/or Statement of Additional Information.

You should carefully consider the “Types of Investments and Related Risk Factors” section beginning on page 31 of the Prospectus.

The section “FEES AND EXPENSES” in the Prospectus is replaced in its entirety with the following:

The foregoing table is to assist you in understanding the various costs and expenses that an investor in our common stock will bear directly or indirectly. While the example assumes, as required by the SEC, a 5% annual return, our performance will vary and may result in a return greater or less than 5%. In addition, while the example assumes reinvestment of all dividends and distributions at NAV, if our Board authorizes and we declare a cash dividend, participants in our distribution reinvestment plan who have not otherwise elected to receive cash will receive a number of shares of our common stock, determined by dividing the total dollar amount of the distribution payable to a participant by the market price per share of our common stock at the close of trading on the valuation date for the distribution. See “Distribution Reinvestment Plan” for additional information regarding our distribution reinvestment plan.

This example and the expenses in the table above should not be considered a representation of our future expenses, and actual expenses (including the cost of debt, if any, and other expenses) may be greater or less than those shown.

Net Asset Value

In connection with our regular net asset value determination process, as provided in our valuation policies and procedures, our net asset value as of June 30, 2026, is $10.51 per share of our common stock.

Portfolio

The following table sets forth certain information as of June 30, 2026, for each portfolio company in which we are currently invested. Percentages of Net Assets are calculated based on the Fund's Net Assets Applicable to Common Shares of $248,861,200 as of June 30, 2026. The Fund intends to update this information on a monthly basis.

Current Portfolio - As of June 30, 2026

The portfolio information presented above is as of our latest monthly NAV, June 30, 2026, and reflects the Fund's holdings as of that date, including investments made after the close of the Fund's most recent semi-annual reporting period.

Fair values are determined in good faith in accordance with valuation procedures established by the Fund's Board of Directors and are inherently subjective. Fair value determinations involve significant unobservable inputs and reflect good faith judgments based on available information. Accordingly, there can be no assurance that the fair values reflected above would approximate the prices at which the Fund could sell these securities.