, merger, acquisition, exchange, distribution,. This form is required to be filed no later than ten (10) days after this occurrence.This Notification is required to be filed no later than ten calendar days after this occurrence. When does a company need to submit a Shares Outstanding Change Form? Identification Number 71. Using the tabular format below, please describe these events. Effective September 17, 2021, Nasdaq updated its Listing of Additional Shares (LAS) Form and the process for the review of such forms. The filing in question is called a Form 4, known as an insider trading report. Insiders must file a Form 4 when they buy or sell company shares.