Free Writing Prospectus to Preliminary Pricing Supplement No. 6,121

Registration Statement Nos. 333-275587; 333-275587-01

Dated February 3, 2025; Filed pursuant to Rule 433

Morgan Stanley

5-Year SPX Dual Directional Buffered PLUS

This document provides a summary of the terms of the Buffered PLUS. Investors must carefully review the accompanying preliminary pricing supplement referenced below, product supplement, index supplement and prospectus, and the “Risk Considerations” on the following page, prior to making an investment decision


Terms

Issuing entity:

Morgan Stanley Finance LLC

Guarantor:

Morgan Stanley

Underlying:

S&P 500® Index (SPX)

Leverage factor:

115%

Buffer amount:

20% of principal (80% maximum loss)1

Maximum upside payment at maturity:

159% to 164% of principal

Pricing date:

February 25, 2025

Valuation date:

February 25, 2030

Maturity date:

February 28, 2030

CUSIP:

61777RU68

Preliminary pricing supplement:

https://www.sec.gov/Archives/edgar/data/895421/000183988225005523/ms6121_424b2-02812.htm

1All payments are subject to our credit risk

 

Hypothetical Payout at Maturity1

 

 

Change in Underlying

Return on Buffered PLUS

+80.00%

59.00%*

+70.00%

59.00%*

+60.00%

59.00%*

+51.305%

59.00%

+50.00%

57.50%

+40.00%

46.00%

+30.00%

34.50%

+20.00%

23.00%

+10.00%

11.50%

0.00%

0.00%

-10.00%

5.00%

-20.00%

10.00%

-21.00%

-1.00%

-30.00%

-10.00%

-40.00%

-20.00%

-50.00%

-30.00%

-60.00%

-40.00%

-70.00%

-50.00%

-80.00%

-60.00%

*Assumes a maximum upside payment at maturity of 159% of principal