Stephen Feider plan to sell securities of Beta Bionics, Inc. under Form 144

Stephen Feider filed Form 144 to notify SEC of plan to sell 4896 units of Beta Bionics, Inc. securities around 2026-06-29, with aggregate market value of $83,380.84. The total outstanding units is 44561695.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 06/26/2026, sold 5104 units for $87006.78; On 06/02/2026, sold 6676 units for $85386.04;