In a large measuring cup or bowl, whisk together soy sauce, rice vinegar, sesame oil, ketchup, green onions, garlic, and ginger.
¼ cup less sodium soy sauce, 3 tablespoons rice vinegar, 2 tablespoons Sriracha ketchup, 2 tablespoons sliced green onions, 1 tablespoon sesame oil, 1 tablespoon minced or smashed garlic, 1 teaspoon grated fresh ginger