144/A 0001628280-26-030012 0001782533 XXXXXXXX LIVE 0001506293 Pinterest 651 BRANNAN STREET San Francisco CA 94107 4157627100 Paul Sciarra co-Founder Common Merrill Lynch 1499 Post Road Fairfield CT 06824 3200000 65568563.9 585458698 05/04/2026 NASDAQ Common 07/14/2009 Founder Shares Issuer N 3200000 05/04/2026 Conversion Y Updated sign 05/05/2026 Paul Sciarra