Tubulin x CD228

This study will test the safety of a drug called PF-08046031 in participants with melanoma and other solid tumors that have no current approved treatment or have spread through the body. It will also study the side effects of this drug. A side effect is anything a drug does to the body besides treating the disease. The study will have 3 parts. Part A and B of the study will find out how much PF-08046031 should be given to participants. Part C will use the information from Parts A and B to see if PF-08046031 is safe and if it works to treat solid tumor cancers.

This trial will study SGN-CD228A to find out whether it is an effective treatment for different kinds of cancer. It will also look at what side effects (unwanted effects) may occur. The study will have two parts. Part 1 of the study will find out how much SGN-CD228A should be given for treatment and how often. Part 2 of the study will use the dose found in Part 1 and look at how safe and effective the treatment is.