• At least 18 years of age.
• Histologically or cytologically confirmed advanced solid tumors
• Arm #1 (Monotherapy): HRAS-mutant and/or amplified tumors (any solid tumor type); HRAS overexpression (only for HNSCC tumors); KRAS and/or NRAS, and/or HRAS-mutant and/or amplified NSCLC or CRC; KRAS-mutant and/or amplified PDAC
• Arm #2 (Combination): Must have received at least 1 prior systemic therapy with IO-based treatment for locally advanced or metastatic RCC with predominantly clear cell subtype
• Arm #3 (Combination): Must have KRAS G12C-mutant locally advanced or metastatic NSCLC and have received at least 1 prior systemic therapy for advanced or metastatic NSCLC
• Measurable disease by Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.
• Karnofsky Performance Status of 70 or higher with no clinically significant deterioration over the previous 2 weeks.
• Acceptable liver, renal, endocrine, and hematologic function.
• Other protocol-defined inclusion criteria may apply.
• Ongoing treatment with certain anticancer agents.
• Prior treatment with an FTI or HRAS inhibitor.
• Major surgery, other than local procedures, within 28 days prior to Cycle 1 Day 1, without complete recovery.
• Spinal cord compression, leptomeningeal disease, or clinically active CNS metastases.
• Toxicity (excluding alopecia) from prior therapy that has not been completely resolved to baseline at the time of consent.
• Active or prior documented autoimmune or inflammatory disorders within the past 5 years prior to Cycle 1 Day 1 (with exceptions).
• Active, uncontrolled bacterial, viral, or fungal infections requiring systemic therapy.
• Inability to swallow, impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of the trial drugs.
• Inadequate cardiac and/or vascular function, including receipt of treatment for unstable angina, myocardial infarction, and/or cerebro-vascular attack within the prior 6 months, mean QTcF ≥470 ms, or Class II or greater congestive heart failure.
• Other invasive malignancy within 2 years.
• Other protocol-defined exclusion criteria may apply.

Key
• Life expectancy of ≥ 12 weeks
• Measurable or non-measurable disease for Dose Escalation; measurable disease using RECIST v1.1 is required for Dose Expansion
• Recovered from prior therapy to Grade ≤ 1 or return to baseline status (except for alopecia)
• Eastern Cooperative Oncology Group (ECOG) performance status 0-1
• Patients with adequate bone marrow, kidney and liver function
• Last dose of previous anticancer therapy ≥ 4 weeks prior to first dose of NDI-101150; includes prior anti-PD-1 or anti-PD-L1 therapy, other anticancer therapy, radiotherapy, or surgical intervention
• For Dose Escalation Phase Only (Dose Escalation, Monotherapy and Combination Therapy): Histologically or cytologically confirmed advanced or metastatic solid tumors for whom no standard therapies are available or refractory to standard therapy
• For Dose Expansion Phase (Dose Expansion, Monotherapy and Combination Therapy): Willing to consent to required tumor biopsy(ies). Histologically or cytologically confirmed advanced or metastatic G/GEJ, NSCLC or RCC for which no standard therapy is available or are refractory to standard therapy Key
• Previous solid organ or hematopoietic cell transplant
• Central nervous system (CNS) malignant disease not previously treated, active leptomeningeal disease, uncontrolled symptomatic CNS involvement, or CNS malignant disease requiring steroid or other therapeutic intervention
• Prior anticancer therapy within 2-6 weeks of trial start (depending on nature of therapy).
• Clinically significant cardiovascular disease
• History of severe hypersensitivity reaction to treatment with monoclonal antibody(ies) (for combination therapy cohorts only)
• History of interstitial lung disease, idiopathic pulmonary fibrosis, pneumonitis (including drug induced), organizing pneumonia (i.e., bronchiolitis obliterans, cryptogenic organizing pneumonia, etc.), or evidence of history of pneumonitis on chest computed tomography scan in the last 6 months
• Known additional malignancy that is active and/or in progression requiring treatment
• Unstable or severe uncontrolled medical condition (e.g., unstable cardiac function, unstable pulmonary condition, uncontrolled diabetes, thromboembolic event within the past 3 months) or any important medical or psychiatric illness or abnormal laboratory finding
• Unable to discontinue medications that are strong inducers or inhibitors of CYP3A4 and/or CYP2C8
• History of severe irAE that led to permanent discontinuation of prior immunotherapy
• History of recent Grade >/= 3 irAE or any Grade 4 life-threatening irAE, neurologic or ocular AE of any grade while receiving prior immunotherapy NOTE: Other protocol defined Inclusion and Exclusion criteria may apply.

Key
• Availability of tumor tissue (archived and fresh tumor biopsy, if medically feasible)
• Select advanced or metastatic solid tumor that is likely to express CLDN18.2 such as gastric/GEJ, pancreatic and esophageal cancer
• ≥ 18 years of age
• ECOG performance status (PS) 0 or 1 at Screening
• Progressed on or after standard therapy, or are intolerable for available standard therapy, or there is no available standard therapy
• Have at least one measurable extra-cranial lesion as defined by RECIST v1.1
• Adequate organ function
• Life expectancy > 12 weeks
• Ability to understand the nature of this study, comply with protocol requirements, and give written informed consent
• Willingness of men and women of reproductive potential to observe conventional and effective birth control for the duration of treatment and for 3 months following study completion Key
• Pregnant or breastfeeding
• Symptomatic or untreated brain metastases
• Have previously received CLDN18.2 antibody drug conjugates (ADCs) or any ADC containing an auristatin payload (prior monoclonal antibody against CLDN18.2 may be eligible)
• Have peripheral neuropathy Grade ≥2
• Have history of non-infectious pneumonitis/interstitial lung disease
• Have diagnosis of another malignancy, or history of systemic treatment for invasive cancer within last 3 years. Note: Patients with Stage I cancer who have received definitive local treatment and are considered unlikely to recur are eligible. Diagnosis of non-melanoma skin cancer, carcinoma in situ of the cervix or breast, or noninvasive tumor does not affect eligibility
• Have active ocular surface disease at baseline (based on screening ophthalmic examination)
• Have serious concurrent illness or clinically relevant active bacterial, fungal or viral infection
• Have previous hypersensitivity to any known components of EO-3021 or history of severe infusion reaction or hypersensitivity (CTCAE Grade 3 or higher) with monoclonal antibody treatment
• Clinically significant cardiac disease, including but not limited to symptomatic congestive heart failure, unstable angina, acute myocardial infarction within 6 months of planned first dose, or unstable cardiac arrhythmia requiring therapy (including torsades de pointes)
• Have history of allogenic hematopoietic stem cell transplantation or solid organ transplantation with ongoing systemic immunosuppressive therapy
• Patients who are not appropriate candidates for participation in this clinical study for any other reason as deemed by the Investigator

1. Adult participants must be 18 years of age or older 2. Advanced or metastatic solid tumors excluding primary central nervous system (CNS) tumors 3. Have documented evidence of genetic alterations conferring homologous recombination deficiency 4. Participant must have progressed on at least one prior line of therapy in the advanced or metastatic setting that is considered an appropriate standard of care, or for which the participant has documented intolerance 1. Known primary CNS malignancy 2. Impairment of GI function or GI disease that may significantly alter the absorption of IDE161 3. Have active, uncontrolled infection 4. Clinically significant cardiac abnormalities 5. Major surgery within 4 weeks prior to enrollment 6. Radiation therapy within 2 weeks prior to enrollment 7. Systemic cytotoxic chemotherapy within 4 weeks prior to enrollment 8. Radioimmunotherapy within 6 weeks of enrollment 9. Treatment with a therapeutic antibody within 4 weeks prior to enrollment 10. Treatment with an anti-cancer small molecule within 5 half-lives (t1/2), or 2 weeks, whichever is shorter

• Alive (per medical record)
• Diagnosed with cancer in the past 3 years
• Received care from a participating oncology clinic in the past year
• Has a current tobacco use status
• Does not have a preferred language other than English (missing language preference will be included).
• Valid address that is not a correctional facility or residential treatment/care facility.
• No flag for patient cognitive impairment, activated health care power of attorney, or other health care agent (e.g., legally authorized representative) in the EHR. The following additional inclusion criteria must be met for inclusion in the CET
• Smoked combustible cigarettes in the past month.
• Able to speak and understand English.
• Willing to set a date to quit smoking in the next 60 days.
• Willing to receive smoking treatment information.
• Willing to complete study activities.
• No current suicidal ideation.
• Suicide attempt in the past year.
• Currently receiving treatment for bipolar disorder, schizophrenia, schizoaffective disorder, or psychotic disorder.
• Incarceration.
• Unable to provide informed consent to treatment (i.e., cannot answer questions about study procedures or risks after hearing about the study).

1. Male or female participants ≥18 years of age 2. Dose Escalation Phase (Part 1): 1. Participants must have a pathologically confirmed diagnosis of an advanced or metastatic solid tumor with a documented RAS, NF1, or RAF mutations. A molecular pathology report documenting mutational status of RAS, NF1, or RAF must be available. 2. Progressed despite standard therapies, and received at least 1 prior line of anticancer therapy.
• Participants with a documented mutation in BRAF V600E or V600K must have received approved treatments known to provide clinical benefit prior to study entry. 3. Participants enrolled in the DCC-3116 and sotorasib cohort (Cohort D) must have a KRAS G12C mutation. 3. Dose Expansion Phase (Part 2): 1. Cohort 1: Patients with Pancreatic Ductal Adenocarcinoma (PDAC).
• Pathologically confirmed PDAC with a documented mutation in KRAS.
• Received only 1 prior line of systemic therapy in the advanced or metastatic setting. 2. Cohort 2: Patients with Non-Small Cell Lung Cancer (NSCLC)
• Pathologically confirmed NSCLC with a documented mutation in KRAS, NRAS, NF1, or BRAF.
• Received at least 2 prior lines but no more than 4 prior lines of systemic therapy in the advanced or metastatic setting. 3. Cohort 3: Patients with Colorectal Cancer (CRC)
• Pathologically confirmed CRC with a documented mutation in KRAS, NRAS, NF1, or BRAF.
• Received at least 2 prior lines of systemic therapy in the advanced or metastatic setting. 4. Cohort 4: Patients with Melanoma
• Pathologically confirmed melanoma with a documented mutation in NRAS.
• Received at least 1 but not more than 2 prior lines of systemic therapy in the advanced or metastatic setting that included T-cell checkpoint inhibitor-based therapy.
• Have not received prior MEK inhibitor therapy. 5. Cohort 5: Patients with KRAS G12C mutant NSCLC
• Pathologically confirmed NSCLC with a documented mutation in KRAS G12C.
• Received at least 1 prior line but no more than 3 prior lines of systemic therapy in the advanced or metastatic setting.
• Have not received prior sotorasib or other KRAS G12C inhibitor therapy. 4. Must provide a fresh tumor biopsy from a primary or metastatic cancer lesion that can be biopsied with acceptable risk as determined by the Investigator, and an archival tumor tissue sample, if available. If a fresh tumor biopsy is not possible, then an archival tumor tissue sample must be provided. 5. Eastern Cooperative Oncology Group (ECOG) score of 0 to 2 (Dose Escalation) or 0 to 1 (Dose Expansion) at Screening 6. Adequate organ function and bone marrow function. 7. If a female of childbearing potential must have a negative pregnancy test prior to enrollment and agree to follow the contraception requirements. 8. Male participants must agree to follow contraception requirements. 9. Must provide signed consent to participate in the study and is willing to comply with study-specific procedures. 1. Must not have received the following within the specified time periods prior to the first dose of study drug: 1. Prior therapies (anticancer or therapies given for other reasons) that are known strong or moderate inhibitors or inducers of CYP3A4 or P-gp including certain herbal medications (eg, St. John's Wort): 14 days or 5× the half-life of the medication (whichever is longer) 2. All other prior anticancer therapies or any therapy that is investigational for the participant's condition with a known safety and PK profile: 14 days or 5× the half-life of the medication (whichever is shorter) 3. Investigational therapies with unknown safety and PK profile: 28 days. If there is enough data on the investigational therapy to assess the risk for drug.-drug interactions and late toxicities of prior therapy as low, the Sponsor's Medical Monitor may approve a shorter washout of 14 days 4. Grapefruit or grapefruit juice: 14 days 2. Have not recovered from all toxicities from prior therapy according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE). 3. Presence or history of central nervous system (CNS) metastases or leptomeningeal disease, with some exceptions 4. New York Heart Association Class III or IV heart disease, active ischemia, or any other uncontrolled cardiac condition such as angina pectoris, clinically significant cardiac arrhythmia requiring therapy, uncontrolled hypertension, congestive heart failure, or myocardial infarction within 6 months prior to the first dose of study drug. 5. Prolongation of the QT interval corrected by Fridericia's formula (QTcF) based on repeated demonstration of QTcF >450 ms in males or >470 ms in females at screening, or history of long QT syndrome. 6. Left ventricular ejection fraction (LVEF) <50% at Screening 7. Systemic arterial thrombotic or embolic events 8. Systemic venous thrombotic events 9. Malabsorption syndrome 10. Bone disease that requires ongoing treatment or has required treatment. 11. Major surgery within 4 weeks of the first dose of study drug. All surgical wounds must be healed and free of infection or dehiscence before the first dose of the study drug. 12. Any other clinically significant comorbidities. 13. For participants receiving DCC-3116 and trametinib combination or DCC-3116 and binimetinib combination: previous treatment with trametinib or binimetinib that resulted in treatment discontinuation due to intolerability as a result of an adverse event (AE) that was considered related to trametinib or binimetinib. 14. For participants receiving DCC-3116 and sotorasib combination in Dose Escalation Part 1: previous treatment with sotorasib that resulted in treatment discontinuation due to intolerability as a result of an adverse event (AE) that was considered related to sotorasib. 15. For participants receiving DCC-3116 and sotorasib combination: Use of proton pump inhibitors (PPIs) and H2 receptor antagonists that cannot be discontinued 3 days prior to the start of study drug administration. 16. Known allergy or hypersensitivity to any component of the investigational drug products. 17. Known human immunodeficiency virus unless the following requirements are met: 1. CD4 count >350/µL 2. No AIDS-defining opportunistic infection in the last 12 months 3. Stable anti-retroviral regimen with medications that are not prohibited by the protocol for at least 4 weeks with HIV viral load less than 400 copies/mL prior to enrollment. 18. Known active hepatitis B, active hepatitis C infection or if the participant is taking medications that are prohibited per protocol. 19. If female, the participant is pregnant or lactating. 20. Ongoing participation in an interventional study. 21. For participants receiving DCC-3116 and binimetinib combination: Known Gilbert's syndrome