No. It locks header as well because the row count has to be updated.

>Thank you for the feedback. Question, will using APPEND BLANK instead fix this?
>
>>The INSERT INTO command briefly locks the table header. If 2 inserts happen at the same time, you'll get error 108. Also some commands, like DELETE FOR/WHILE, REPLACE FOR/WHILE look the table whick could cause a similar result.
>>
>>>