Ascendant is a trilogy, and there are three books, so, no. However, my wife loves Ascendant and when she read the last line of the third book, she looked at me and said ‘You son of a bitch’.
When she asked if there would be a fourth book in the trilogy I said something like ‘Duh, no’ (the ‘Duh’ was implied). She pointed out that:
1) It’s my series and I can do what I want
2) I left a whole lot of stuff unexplained
3) She can easily smother me while I sleep
Her argument was very persuasive. So, I thought about it and, darn it, my brain started imagining what the continued story would be like and now I can’t wait to write it. When I will have time to squeeze another 150,000-word book in my schedule is a good question