144 0001603527 XXXXXXXX LIVE 0001404655 HUBSPOT INC 001-36680 2 CANAL PARK CAMBRIDGE MA 02141 (888) 482-7768 Halligan Brian Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

8500 1870000.00 51217740 05/19/2026 NYSE Common 10/15/2014 Founders Shares Issuer N 8500 10/15/2014 Compensation N Brian P. Halligan

Two Canal Park Cambridge MA 02141

Common 03/17/2026 8500 2233375.00 Brian P. Halligan

Two Canal Park Cambridge MA 02141

Common 04/21/2026 8292 1913130.24 05/19/2026 03/03/2025 /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian P. Halligan.