Hi @bmadrigal85,
I appreciate the number of details you included in your post. In your situation, what you can do is manually upload those missing transactions to your QuickBooks Online (QBO) company.
The first thing you need to do is go to your bank's website and download a CSV file with the missing transactions. You can follow the steps in this article to complete the process: Manually upload transactions into QuickBooks Online.
To ensure the format of your CSV file is correct, you can keep this article for reference: Format CSV files in Excel to get bank transactions into QuickBooks.
In case you bump into any issues while uploading bank transactions, I've got you covered. You can open this article for the steps to resolve any upload issues: Fix bank upload errors in QuickBooks Online.
Utilize the comments sections below if you have any other questions about your online bank account in QBO. I'll be sure to get back to you.
