Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-19 · Built: 2026-10-19 · 中文

← United States · Coverage record

US · SEC FORM 4

Beta Bionics, Inc.

BBNX · Nasdaq · CIK 0001674632 · Healthcare · Medical Devices

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

40 Form 4 transaction lines observed in the same window
30 sales · 10 option, withholding, award, gift or other lines

Last qualifying purchase2025-01-31 · Mensinger Mike · $567.0K

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesHigh
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Feider StephenChief Financial Officer
▼○○▼▼○○▼▼▼
Hopman MarkChief Commercial Officer
▼▼▼▼▼▼▼▼▼▼
Jones ChristyDirector
○▼▼▼▼
Saint SeanPresident & CEO
▼▼▼
Mensinger MikeChief Product Officer
▼▼▼
Lezack AdamDirector
○▼▼
● Purchase▼ Sale○ Other

Showing the six most active owners; 5 additional owner(s) remain in Form 4 evidence.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2025-01-31 · Mensinger Mike.

Recent Form 4 activity

0Purchases
54Sales
22Other Form 4 lines
55SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING30 sale line(s) · context only
OTHER10 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context provides additional background on recent price performance and risk. It does not affect the Insider Signal.

Price performance

1M
-22.0%
3M
+0.1%
6M
+42.1%
12M
-22.5%

Volatility & liquidity

Volatility
84.5%
Beta
—
Avg daily value
USD 22.3M

Valuation

Market cap
USD 778.8M
P/E
—

Fundamentals

Profit margin
-73.0%
ROE
-25.5%
Industry
Medical Devices

Market data

Price data up to: 2026-10-15 · Price source: OpenBB/yfinance; volume from price cache (yfinance) · From SEC filings: Market cap, Profit margin, ROE · Fiscal year ended: 2025-12-31 · Market cap is the shares outstanding stated on the filing cover multiplied by the latest close. Share count date: 2026-07-27 · Status: PASS

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
6,046,389
Previous report
10,617,768
Avg daily volume
1,859,712
Days to cover
3.2

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2025-01-31Wellington Hadley Harbor Aggregator IV, L.P.Purchase (P)Common Stock1,000,000USD 17.00USD 17,000,000SEC filing ↗
2025-01-31Mensinger MikePurchase (P)Common Stock33,350USD 17.00USD 566,950SEC filing ↗

Form 4 evidence

76 transaction lines in the latest 365-day window; 134 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-14Hopman MarkSale (S)Common Stock775USD 17.35USD 13,446SEC filing ↗
2026-10-01Hopman MarkSale (S)Common Stock370USD 18.96USD 7,015SEC filing ↗
2026-09-22Jones ChristySale (S)Common Stock6,430USD 23.00USD 147,890SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-14Hopman MarkSale (S)Common Stock775USD 17.35USD 13,446SEC filing ↗
2026-10-01Hopman MarkSale (S)Common Stock370USD 18.96USD 7,015SEC filing ↗
2026-09-22Jones ChristySale (S)Common Stock6,430USD 23.00USD 147,890SEC filing ↗
2026-09-16Mensinger MikeSale (S)Common Stock2,650USD 22.00USD 58,300SEC filing ↗
2026-09-16Hopman MarkSale (S)Common Stock30,779USD 20.13USD 619,581SEC filing ↗
2026-09-14Hopman MarkSale (S)Common Stock775USD 15.52USD 12,028SEC filing ↗
2026-09-09Hopman MarkSale (S)Common Stock35,994USD 18.46USD 664,449SEC filing ↗
2026-09-09Hopman MarkSale (S)Common Stock36,870USD 18.46USD 680,620SEC filing ↗
2026-09-03Saint SeanSale (S)Common Stock5,641USD 20.08USD 113,271SEC filing ↗
2026-09-02Saint SeanSale (S)Common Stock16,867USD 19.11USD 322,328SEC filing ↗
2026-09-02Russell Steven JonSale (S)Common Stock4,221USD 19.11USD 80,663SEC filing ↗
2026-09-02Mensinger MikeSale (S)Common Stock4,375USD 19.11USD 83,606SEC filing ↗
2026-09-02Hopman MarkSale (S)Common Stock5,327USD 19.11USD 101,799SEC filing ↗
2026-09-02Feider StephenSale (S)Common Stock6,675USD 19.11USD 127,559SEC filing ↗
2026-06-29Feider StephenSale (S)Common Stock4,896USD 17.03USD 83,379SEC filing ↗
2026-06-29Feider StephenOption exercise / conversion (M)Common Stock4,896USD 5.10USD 24,970SEC filing ↗
2026-06-29Feider StephenSale (S)Common Stock4,896USD 17.03USD 83,379SEC filing ↗
2026-06-29Feider StephenOption exercise / conversion (M)Common Stock4,896USD 5.10USD 24,970SEC filing ↗
2026-06-26Feider StephenSale (S)Common Stock5,104USD 17.05USD 87,023SEC filing ↗
2026-06-26Feider StephenOption exercise / conversion (M)Common Stock5,104USD 5.10USD 26,030SEC filing ↗
2026-06-26Feider StephenSale (S)Common Stock5,104USD 17.05USD 87,023SEC filing ↗
2026-06-26Feider StephenOption exercise / conversion (M)Common Stock4,982USD 5.10USD 25,408SEC filing ↗
2026-06-24Jones ChristySale (S)Common Stock1,406USD 15.00USD 21,090SEC filing ↗
2026-06-24Hopman MarkSale (S)Common Stock1,258USD 15.01USD 18,883SEC filing ↗
2026-06-04Jones ChristySale (S)Common Stock2,811USD 14.00USD 39,354SEC filing ↗
2026-06-04Hopman MarkSale (S)Common Stock275USD 12.31USD 3,385SEC filing ↗
2026-06-02Saint SeanSale (S)Common Stock16,872USD 12.61USD 212,756SEC filing ↗
2026-06-02Russell Steven JonSale (S)Common Stock4,222USD 12.61USD 53,239SEC filing ↗
2026-06-02Mensinger MikeSale (S)Common Stock4,378USD 12.61USD 55,207SEC filing ↗
2026-06-02Hopman MarkSale (S)Common Stock5,329USD 12.61USD 67,199SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-19
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerBBNX
CIK0001674632
SectorHealthcare
IndustryMedical Devices Yahoo Finance
SEC SIC3841 Surgical & Medical Instruments & Apparatus
ExchangeNasdaq

Data coverage

Local Form 4 history134 transaction lines from 2025-01-31 to 2026-10-14
2 P purchase lines · 86 S sale lines · 46 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.