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Beta Bionics, Inc.

BBNX
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001674632

In the last 90 days, Beta Bionics, Inc. insiders filed 0 open-market purchases and 12 sales; 133 institutions reported holding it in 13F filings for Q2 2026, worth $752.4M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Beta Bionics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
12 filings
6 insiders, $2.50M in total
Insiders trading
6
Net value
−$2.50M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Beta Bionics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Beta Bionics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Jones ChristyDirector19,564Sep 23, 20265
Hopman MarkChief Commercial Officer88,033Sep 18, 202610
Mensinger MikeChief Product Officer177,390Sep 17, 20267
Saint SeanPresident & CEO398,429Sep 4, 20265
Russell Steven JonChief Medical Officer169,628Sep 3, 20264
Feider StephenChief Financial Officer159,378Sep 3, 20268
Michel Gerard JDirector33,509May 26, 20262
Carney SeanDirector32,209May 26, 20262
Dearen Danny L.Director32,209May 26, 20262
Palasis MariaDirector29,397May 26, 20264
Lezack AdamDirector27,399May 26, 20264
Wellington Hadley Harbor Aggregator IV, L.P.10% Owner3,901,599Feb 3, 20250

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 3, 2025 (view filing)Jan 313 daysWellington Hadley Harbor Aggregator IV, L.P.10% OwnerPPurchase+1.00M$17.00+$17.0M+34.5%3.90M after
Feb 3, 2025 (view filing)8:30 PM ETJan 313 daysMensinger MikeChief Product OfficerSSale−13$17.00−$221−0.1%25.7K after
Feb 3, 2025 (view filing)8:30 PM ETJan 313 daysMensinger MikeChief Product OfficerPPurchase+33.4K$17.00+$567.0K+129.9%59.0K after
Jun 4, 2025 (view filing)Jun 22 daysSaint SeanPresident & CEOSSale−3.44K$17.89−$61.5K−3.2%104.6K after3 lots
Jun 4, 2025 (view filing)Jun 22 daysFeider StephenChief Financial OfficerSSale−1.50K$17.89−$26.8K−3.2%45.5K after3 lots
Jun 4, 2025 (view filing)Jun 22 daysMensinger MikeChief Product OfficerSSale−1.11K$17.89−$19.9K−1.2%92.9K after3 lots
Jun 4, 2025 (view filing)Jun 22 daysRussell Steven JonChief Medical OfficerSSale−1.04K$17.89−$18.6K−1.4%72.0K after3 lots
Jun 4, 2025 (view filing)Jun 22 daysHopman MarkChief Commercial OfficerSSale−868$17.89−$15.5K−2.5%34.1K after3 lots
Aug 20, 2025 (view filing)Aug 191 dayFeider StephenChief Financial OfficerSSale−5.59K$17.03−$95.1K−10.9%45.5K after10b5-1
Aug 20, 2025 (view filing)Aug 191 dayHopman MarkChief Commercial OfficerSSale−16.2K$16.61−$268.4K−32.1%34.1K after10b5-1
Aug 26, 2025 (view filing)Aug 224 daysFeider StephenChief Financial OfficerSSale−4.41K$17.01−$75.1K−8.8%45.5K after10b5-1
Sep 4, 2025 (view filing)Sep 22 daysFeider StephenChief Financial OfficerSSale−1.46K$18.86−$27.6K−3.2%44.0K after
Sep 4, 2025 (view filing)Sep 22 daysHopman MarkChief Commercial OfficerSSale−848$18.86−$16.0K−2.5%33.3K after
Sep 4, 2025 (view filing)Sep 22 daysMensinger MikeChief Product OfficerSSale−1.09K$18.86−$20.5K−1.2%91.8K after
Sep 4, 2025 (view filing)Sep 22 daysRussell Steven JonChief Medical OfficerSSale−1.01K$18.86−$19.1K−1.4%71.0K after
Sep 4, 2025 (view filing)Sep 22 daysSaint SeanPresident & CEOSSale−3.36K$18.86−$63.4K−3.2%101.2K after
Sep 8, 2025 (view filing)Sep 53 daysFeider StephenChief Financial OfficerSSale−100$21.00−$2.10K−0.2%44.0K after10b5-1
Sep 8, 2025 (view filing)Sep 4-54 daysHopman MarkChief Commercial OfficerSSale−18.2K$20.34−$370.8K−36.9%31.2K after2 lots10b5-1
Sep 9, 2025 (view filing)Sep 81 dayFeider StephenChief Financial OfficerSSale−9.90K$21.13−$209.2K−18.4%44.0K after10b5-1
Oct 3, 2025 (view filing)Oct 12 daysFeider StephenChief Financial OfficerSSale−15.0K$20.76−$311.8K−25.4%44.0K after2 lots10b5-1
Oct 7, 2025 (view filing)Oct 34 daysFeider StephenChief Financial OfficerSSale−4.98K$21.70−$108.1K−10.2%44.0K after2 lots10b5-1
Nov 5, 2025 (view filing)Oct 315 daysLatePalasis MariaDirectorSSale−1.41K$26.91−$37.8K−12.5%9.84K after2 lots10b5-1
Nov 5, 2025 (view filing)Oct 315 daysLateLezack AdamDirectorSSale−1.41K$26.87−$37.8K−12.5%9.84K after2 lots10b5-1
Dec 2, 2025 (view filing)Dec 11 dayPalasis MariaDirectorSSale−1.41K$29.55−$41.6K−14.3%8.44K after2 lots10b5-1
Dec 2, 2025 (view filing)Dec 11 dayLezack AdamDirectorSSale−1.41K$29.55−$41.5K−14.3%8.44K after2 lots10b5-1
Dec 4, 2025 (view filing)Dec 22 daysMensinger MikeChief Product OfficerSSale−1.06K$29.34−$31.2K−1.2%90.8K after
Dec 4, 2025 (view filing)Dec 22 daysFeider StephenChief Financial OfficerSSale−1.43K$29.34−$41.9K−3.2%42.6K after
Dec 4, 2025 (view filing)Dec 22 daysSaint SeanPresident & CEOSSale−3.28K$29.34−$96.2K−3.2%97.9K after
Jan 5, 2026 (view filing)Jan 23 daysMensinger MikeChief Product OfficerSSale−7.80K$29.61−$231.0K−8.6%83.0K after2 lots10b5-1
Jan 5, 2026 (view filing)Jan 23 daysFeider StephenChief Financial OfficerSSale−20.0K$29.53−$590.6K−31.9%42.6K after10b5-1
Jan 7, 2026 (view filing)Jan 61 dayMensinger MikeChief Product OfficerSSale−2.20K$30.10−$66.2K−2.7%80.8K after10b5-1
Mar 3, 2026 (view filing)Mar 21 dayHopman MarkChief Commercial OfficerSSale−834$12.36−$10.3K−0.6%139.5K afterFrom original
Mar 3, 2026 (view filing)Mar 21 dayMensinger MikeChief Product OfficerSSale−1.06K$12.36−$13.2K−0.6%188.8K afterFrom original
Mar 3, 2026 (view filing)Mar 21 dayFeider StephenChief Financial OfficerSSale−1.43K$12.36−$17.7K−0.8%172.7K afterFrom original
Mar 3, 2026 (view filing)Mar 21 daySaint SeanPresident & CEOSSale−3.38K$12.36−$41.8K−0.8%437.8K afterFrom original
Mar 3, 2026 (view filing)Mar 21 dayRussell Steven JonChief Medical OfficerSSale−1.03K$12.36−$12.7K−0.6%179.1K afterFrom original
Mar 5, 2026 (view filing)Mar 41 dayHopman MarkChief Commercial OfficerSSale−353$11.57−$4.08K−0.3%139.1K after10b5-1
Mar 16, 2026 (view filing)Dec 2-4, 2025104 daysLateHopman MarkChief Commercial OfficerSSale−2.92K$30.27−$88.3K−2.1%136.2K after2 lots10b5-1
Mar 16, 2026 (view filing)Dec 2, 2025104 daysLateRussell Steven JonChief Medical OfficerSSale−1.02K$29.34−$30.1K−0.6%178.1K after
May 26, 2026 (view filing)May 215 daysLezack AdamDirectorSSale−1.00K$9.95−$9.95K−8.0%11.4K after10b5-1
May 26, 2026 (view filing)May 224 daysLezack AdamDirectorSSaleComon Stock−998$11.21−$11.2K−3.5%27.4K after10b5-1
May 26, 2026 (view filing)May 215 daysJones ChristyDirectorSSale−2.00K$9.95−$19.9K−13.1%13.2K after10b5-1
Jun 3, 2026 (view filing)Jun 21 dayHopman MarkChief Commercial OfficerSSale−5.33K$12.61−$67.2K−3.9%130.9K after
Jun 3, 2026 (view filing)Jun 21 dayMensinger MikeChief Product OfficerSSale−4.38K$12.61−$55.2K−2.3%184.4K after
Jun 3, 2026 (view filing)Jun 21 dayFeider StephenChief Financial OfficerSSale−6.68K$12.61−$84.2K−3.9%166.1K after
Jun 3, 2026 (view filing)Jun 21 daySaint SeanPresident & CEOSSale−16.9K$12.61−$212.8K−3.9%420.9K after
Jun 3, 2026 (view filing)Jun 21 dayRussell Steven JonChief Medical OfficerSSale−4.22K$12.61−$53.2K−2.4%173.8K after
Jun 5, 2026 (view filing)Jun 41 dayJones ChristyDirectorSSale−2.81K$14.00−$39.4K−9.3%27.4K after10b5-1
Jun 5, 2026 (view filing)Jun 41 dayHopman MarkChief Commercial OfficerSSale−275$12.31−$3.39K−0.2%130.6K after10b5-1
Jun 25, 2026 (view filing)Jun 241 dayJones ChristyDirectorSSale−1.41K$15.00−$21.1K−5.1%26.0K after10b5-1