Why does SQLite put the same value in for multiple records when using parameters?

Question

So I don't know the geek speak here, but I'm trying to do the following:

SQL:

BEGIN TRANSACTION;
   INSERT INTO Core_User (FirstName) VALUES (?);
   INSERT INTO Core_User (FirstName) VALUES (?);
   INSERT INTO Core_User (FirstName) VALUES (?);
COMMIT;

I've set the parameters:

For lngCount = 0 To cmdBatch.Parameters.Count - 1
    Debug.Print(cmdBatch.Parameters.Item(CInt(lngCount)).Value)
Next

This will output:

Jason
Kevin
Mark

However, when I execute the SQL, in the database I get three records with the following values for "FirstName:"

Jason
Kevin
Kevin

Any ideas?