I'm not from Moneydance support, but yes. There are "General Reminders" and "Transaction Reminders". It sounds like you may have set up a General Reminder. Here is a link to the subject matter from the IK Knowledge base that should be helpful:
I just re-read your post and see that you "entered the same transactions under reminders". So, perhaps you created a transaction reminder that hasn't occurred yet? The articles describe the "Auto Commit" box. Please make certain that it is checked.