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Beta Bionics, Inc. planned insider sales

In the last twelve months insiders at Beta Bionics, Inc. filed 36 Form 144 notices of planned sales, 235,337 shares worth $4.6 million at the time of filing, from 10 sellers. The latest, filed 1 October 2026: Mark Hopman (officer), 2,660 shares worth $50,487, planned for around 1 October 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
1 October 2026Mark HopmanOfficer2,660$50,4871 October 20261,966 shares from 1 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
22 September 2026Christina JonesDirector8,942$197,08222 September 20266,430 shares from 22 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
16 September 2026Michael MensingerOfficer5,300$101,91916 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesExercised of Warrants; Series D PurchaseForm 144
16 September 2026Mark HopmanOfficer28,119$540,72816 September 202630,779 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
9 September 2026Mark HopmanOfficer40,305$779,0969 September 202637,645 shares from 9 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
3 September 2026Steven Jon RussellOfficer4,221$81,9512 September 20264,221 shares from 2 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 September 2026Michael R. MensingerOfficer4,375$84,9412 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 September 2026Mark HopmanOfficer5,327$103,4242 September 20265,327 shares from 2 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 September 2026Sean SaintOfficer5,641$113,2593 September 2026None on Form 4 yetMerrill LynchEquity AwardForm 144
3 September 2026Stephen FeiderOfficer6,675$129,5952 September 20266,675 shares from 2 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 September 2026Sean SaintOfficer, Director16,867$327,4732 September 202622,508 shares from 2 September 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
29 June 2026Stephen FeiderOfficer4,896$83,38129 June 20264,896 shares from 29 June 2026Merrill LynchStock OptionsForm 144
26 June 2026Stephen FeiderOfficer5,104$87,00726 June 20265,104 shares from 26 June 2026Merrill LynchStock OptionsForm 144
24 June 2026Mark HopmanOfficer1,258$18,82724 June 20261,258 shares from 24 June 2026Merrill LynchEquity AwardForm 144
24 June 2026Christina JonesDirector1,406$19,22024 June 20261,406 shares from 24 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
4 June 2026Mark HopmanOfficer275$3,3854 June 2026275 shares from 4 June 2026Merrill LynchEquity AwardForm 144
4 June 2026Christina JonesDirector2,811$34,9974 June 20262,811 shares from 4 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
3 June 2026Steven Jon RussellOfficer4,222$53,9992 June 20264,222 shares from 2 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 June 2026Michael R. MensingerOfficer4,378$55,9952 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 June 2026Mark HopmanOfficer5,329$68,1582 June 20265,329 shares from 2 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 June 2026Stephen FeiderOfficer6,676$85,3862 June 20266,676 shares from 2 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
3 June 2026Sean SaintOfficer, Director16,872$215,7932 June 202616,872 shares from 2 June 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
21 May 2026Christina JonesDirector1,998$20,20021 May 20261,998 shares from 21 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
21 May 2026Adam LezackDirector1,998$20,20021 May 20261,998 shares from 21 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
4 March 2026Mark HopmanOfficer353$4,0844 March 2026353 shares from 4 March 2026Merrill LynchEquity AwardForm 144
4 March 2026Michael R. MensingerOfficer1,064$13,3212 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
4 March 2026Stephen FeiderOfficer1,428$17,8792 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
4 March 2026Sean SaintOfficer, Director3,384$42,3682 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
2 January 2026Michael MensingerOfficer10,000$304,7002 January 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesSeries D PurchaseForm 144
2 January 2026Stephen FeiderOfficer20,000$590,6802 January 202621,428 shares from 2 January 2026Merrill LynchStock OptionsForm 144
4 December 2025Michael R. MensingerOfficer1,063$31,1842 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
4 December 2025Stephen FeiderOfficer1,427$41,8622 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
4 December 2025Mark HopmanOfficer2,061$63,1924 December 20252,895 shares from 4 December 2025Merrill LynchEquity AwardForm 144
4 December 2025Sean SaintOfficer, Director3,278$96,1632 December 20253,384 shares from 2 March 2026Morgan Stanley Smith Barney LLCRestricted Stock Units vesting under registered planForm 144
31 October 2025Adam LezackDirector2,812$75,30531 October 20252,812 shares from 31 October 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
31 October 2025Maria PalasisDirector2,812$75,30531 October 20252,812 shares from 31 October 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?