The information in this preliminary pricing supplement is not complete and may be changed. This preliminary pricing supplement and the accompanying prospectus, prospectus supplement and underlying supplement do not constitute an offer to sell these securities, and we are not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.
Filed Pursuant to Rule 424(b)(2)
Registration No. 333-287303
Subject to Completion. Dated... (continue reading...)
Preliminary Pricing Supplement No. 16,662
Registration Statement Nos. 333-293641; 333-293641-01
Dated June 11, 2026
Filed pursuant to Rule 424(b)(2)
Morgan Stanley Finance LLC
Structured Investments
Jump Securities with Auto-Callable Feature due June 20, 2031
Based on the Performance of the S&P®... (continue reading...)
Preliminary Pricing Supplement No. 16,651
Registration Statement Nos. 333-293641; 333-293641-01
Dated June 11, 2026
Filed pursuant to Rule 424(b)(2)
Morgan Stanley Finance LLC
Structured Investments
Dual Directional Buffered PLUS due June 22, 2029
Based on the Worst Performing of the EURO STOXX... (continue reading...)
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