Hi there! Sorry for the late reply, this comment was hidden due to itchio's auto-pending feature!
There are only 3 endings so far, and they are more of the minor endings you can get depending on choices. They are: Close Call, One Day At A Time, and Same As It Ever Was. If you have those 3, then congrats, you have all the endings you can get at this time. More endings will be added as the game updates and the story progresses!
Lemme know if you have any other questions, happy to help!