Beta Bionics, Inc. (BBNX) Insider Ownership

Historic Insider Ownership Trends

BBNX's three largest insider shareholders as of March 23, 2026 are Hadley Harbor Aggregator Iv, L.P. Wellington (TenPercentOwner, 3.90Mn shares), Sean Saint (President Ceo, 437.81K shares), Mike Mensinger (Chief Product Officer, 188.79K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Hadley Harbor Aggregator Iv, L.P. Wellington 3,901,599 0 03 Feb, 2025
Sean Saint President Ceo 437,809 0 03 Mar, 2026
Mike Mensinger Chief Product Officer 188,793 0 03 Mar, 2026
Steven Jon Russell Chief Medical Officer 179,096 0 03 Mar, 2026
Stephen Feider Chief Financial Officer 172,729 0 03 Mar, 2026
Mark Hopman Chief Commercial Officer 139,133 0 05 Mar, 2026
Gerard J Michel 16,544 0 14 Jan, 2026
Sean Carney 15,244 0 14 Jan, 2026
Christy Jones 15,244 0 14 Jan, 2026
Danny L. Dearen 15,244 0 14 Jan, 2026
Maria Palasis 12,432 0 14 Jan, 2026
Adam Lezack 12,432 0 14 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
27 Feb, 2026 Sean Saint Employee Stock Option (right to buy) A 287,944 $0.00 287,944 D A
27 Feb, 2026 Stephen Feider Employee Stock Option (right to buy) A 110,342 $0.00 110,342 D A
27 Feb, 2026 Mark Hopman Employee Stock Option (right to buy) A 91,520 $0.00 91,520 D A
27 Feb, 2026 Mike Mensinger Employee Stock Option (right to buy) A 91,520 $0.00 91,520 D A
27 Feb, 2026 Steven Jon Russell Employee Stock Option (right to buy) A 91,520 $0.00 91,520 D A
04 Mar, 2026 Mark Hopman Common Stock D 353 $11.57 139,133 D S
27 Feb, 2026 Stephen Feider Common Stock A 131,543 $0.00 174,157 D A
27 Feb, 2026 Mark Hopman Common Stock A 109,105 $0.00 140,320 D A
27 Feb, 2026 Steven Jon Russell Common Stock A 109,105 $0.00 180,122 D A
27 Feb, 2026 Sean Saint Common Stock A 343,269 $0.00 441,193 D A
27 Feb, 2026 Mike Mensinger Common Stock A 109,105 $0.00 189,857 D A
02 Mar, 2026 Sean Saint Common Stock D 3,384 $12.36 437,809 D S
02 Mar, 2026 Steven Jon Russell Common Stock D 1,026 $12.36 179,096 D S
02 Mar, 2026 Stephen Feider Common Stock D 1,428 $12.36 172,729 D S
02 Mar, 2026 Mark Hopman Common Stock D 834 $12.36 139,486 D S
02 Mar, 2026 Mike Mensinger Common Stock D 1,064 $12.36 188,793 D S
27 Feb, 2026 Mike Mensinger Employee Stock Option (right to buy) A 58,749 $0.00 58,749 D A
27 Feb, 2026 Sean Saint Employee Stock Option (right to buy) A 184,837 $0.00 184,837 D A
27 Feb, 2026 Mark Hopman Employee Stock Option (right to buy) A 58,749 $0.00 58,749 D A
27 Feb, 2026 Stephen Feider Employee Stock Option (right to buy) A 70,831 $0.00 70,831 D A