Place the chicken thighs in the bottom of the slow cooker.
Add the chopped cabbage, sliced onion, minced garlic, and grated ginger on top of the chicken.
In a bowl, whisk together the gochujang, soy sauce, honey, and chicken broth until smooth.
Pour the broth mixture over the ingredients in the slow cooker.
Cover and cook on low for 6 to 7 hours, until the chicken is tender and the cabbage has softened.
Remove the chicken, shred it with two forks, then return it to the slow cooker and stir to combine.
Serve the stew in bowls topped with sliced green onions and sesame seeds.