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BBNX · Beta Bionics, Inc.
> Ask across nine datasets ⌘K
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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475
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BBNX

Beta Bionics, Inc.
MEDICAL DEVICES · SURGICAL & MEDICAL INSTRUMENTS & APPARATUS · CIK 0001674632
FORM 144 · 10☆ WATCH
INSIDER NET · 180D
-$1.8M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
88
13F, latest reported quarter
REVENUE GROWTH
+53.9%
XBRL, annual
NET MARGIN
-73.0%
CONVERSIONS · 180D
4
codes C/M, not in net · $101.4K priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$1.8M over 180 days
-$1.2M over 90 days
below 64% of Medical Devices
CONGRESS
no member of Congress has reported trading it
FUNDS
88 funds added or opened last quarter
more than 55% of Medical Devices
REVENUE
+53.9% year over year
more than 90% of Medical Devices
MARGIN
-73.0% net margin
below 79% of Medical Devices
BUYBACKS
no share repurchases reported
SHORT
16.9% of shares outstanding short · 6.0 days to cover · settled 2026-07-31
more than 96% of Medical Devices
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$1.8M across 7 people in 180 days.
88 funds added or opened positions in the latest 13F quarter, of 137 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +2.1%
+2.1%12M
-53%-13%+28%+68%2025-092025-102025-122026-032026-052026-072026-09 2026-01-02 · Feider Stephen sold $590.6K2026-09-02 · Saint Sean sold $322.4K2025-10-01 · Feider Stephen sold $309.7K2025-09-05 · Hopman Mark sold $234.6K2026-01-02 · Mensinger Mike sold $212.8K2026-06-02 · Saint Sean sold $212.8K2025-09-08 · Feider Stephen sold $209.2K2025-09-04 · Hopman Mark sold $136.2K2026-09-02 · Feider Stephen sold $127.6K2026-09-03 · Saint Sean sold $113.3K2026-09-02 · Hopman Mark sold $101.8K2025-12-02 · Saint Sean sold $96.2K2026-06-26 · Feider Stephen sold $87.0K2026-06-26 · Feider Stephen sold $87.0K2026-06-02 · Feider Stephen sold $84.2K2026-09-02 · Mensinger Mike sold $83.6K2026-06-29 · Feider Stephen sold $83.4K2026-06-29 · Feider Stephen sold $83.4K2025-10-03 · Feider Stephen sold $82.4K2026-09-02 · Russell Steven Jon sold $80.7K2026-06-02 · Hopman Mark sold $67.2K2026-01-06 · Mensinger Mike sold $66.2K2025-09-02 · Saint Sean sold $63.4K2025-12-04 · Hopman Mark sold $63.2K2026-06-02 · Mensinger Mike sold $55.2K2026-06-02 · Russell Steven Jon sold $53.2K2025-12-02 · Feider Stephen sold $41.9K2026-03-02 · Saint Sean sold $41.8K2026-06-04 · Jones Christy sold $39.4K2025-10-31 · Lezack Adam sold $36.7K2025-10-31 · Palasis Maria sold $34.6K2025-12-02 · Mensinger Mike sold $31.2K2025-12-02 · Russell Steven Jon sold $30.1K2025-09-02 · Feider Stephen sold $27.6K2025-12-01 · Lezack Adam sold $26.6K2025-12-01 · Palasis Maria sold $26.6K2025-10-03 · Feider Stephen sold $25.7K2025-12-02 · Hopman Mark sold $25.1K2026-06-24 · Jones Christy sold $21.1K2025-09-02 · Mensinger Mike sold $20.5K2026-05-21 · Jones Christy sold $19.9K2025-09-02 · Russell Steven Jon sold $19.1K2026-09-03 · Sean Saint filed to sell $113.3K2026-09-03 · Mark Hopman filed to sell $103.4K2026-09-03 · Michael R. Mensinger filed to sell $84.9K2026-09-03 · Stephen Feider filed to sell $129.6K2026-09-03 · Sean Saint filed to sell $327.5K2026-09-03 · Steven Jon Russell filed to sell $82.0K2026-06-29 · Stephen Feider filed to sell $83.4K2026-06-26 · Stephen Feider filed to sell $87.0K2026-06-24 · Mark Hopman filed to sell $18.8K2026-06-24 · CHRISTINA JONES filed to sell $19.2K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $1.8M sold by insiders over 180 days, 88 funds added last quarter, $1.0M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
TMOPENROKBLFSMTDSIBNWRBYISRGTXGDXCMEWTMDX
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Beta Bionics, Inc. insiders sold a net $1.8M of stock across 80 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER
FILED
SHARES
VALUE
Saint Sean
President & CEO
SELL
2026-09-03
5,641.0
$113.3K
Hopman Mark
Chief Commercial Officer
SELL
2026-09-02
5,327.0
$101.8K
Russell Steven Jon
Chief Medical Officer
SELL
2026-09-02
4,221.0
$80.7K
Mensinger Mike
Chief Product Officer
SELL
2026-09-02
4,375.0
$83.6K
Feider Stephen
Chief Financial Officer
SELL
2026-09-02
6,675.0
$127.6K
80 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 75 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
EVENTIDE ASSET MANAGEMENT, LLC
6,253,673.0 sh
$98.1M
Soleus Capital Management, L.P.
4,393,714.0 sh
$68.8M
MORGAN STANLEY
4,266,822.0 sh
$66.9M
Sands Capital Alternatives, LLC
3,708,043.0 sh
$58.1M
BlackRock, Inc.
3,340,171.0 sh
$52.3M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Sean Saint
FILED 2026-09-03
$113.3K
Mark Hopman
FILED 2026-09-03
$103.4K
Michael R. Mensinger
FILED 2026-09-03
$84.9K
Stephen Feider
FILED 2026-09-03
$129.6K
Sean Saint
FILED 2026-09-03
$327.5K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
BRUCE FUND
$5.5M POSITION · AS OF 2026-03-31
1.5%
Eventide Gilead Fund
$37.6M POSITION · AS OF 2026-03-31
1.4%
Eventide Exponential Technologies Fund
$1.0M POSITION · AS OF 2026-03-31
1.3%
Eventide Healthcare & Life Sciences Fund
$20.6M POSITION · AS OF 2026-03-31
1.3%
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF
$1.5M POSITION · AS OF 2026-03-31
1.1%
ACUITAS US MICROCAP FUND
$341.7K POSITION · AS OF 2026-03-31
0.3%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Clinical pipeline
ClinicalTrials.gov · 1 registered trials, 1 still enrolling or running — a status change here is dated weeks before the press release
1
Not applicable
1 ACTIVE
TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-12
REVENUE$100.3M$65.1M$12.0M
GROSS PROFIT$55.5M$35.9M$6.3M
OPERATING INCOME$-71.7M$-45.3M$-35.9M
NET INCOME$-73.2M$-54.8M$-44.1M
EPS (DILUTED)-1.81-8.60-8.31
OPERATING CASH FLOW$-50.9M$-48.3M$-32.4M
CASH$31.6M$30.4M$26.6M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-06 ALL SYSTEMS LIVE FOR MACHINES →