The Securities and Exchange Commission will require certain Forms 144 to transition from paper to electronic filing by April 13, 2023.
Find out more:
https://www.sec.gov/oit/announcement/form-144-electronic-filing-compliance-date
https://www.sec.gov/edgar/filer-information/form-144-resources-filing-electronically
www.onlineforms.edgarfiling.sec.gov