Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

Neuronetics, Inc.

STIM · Nasdaq · CIK 0001227636 · Healthcare · Medical Devices

INSIDER SIGNAL

51.9 / 100

1 buyers · 5 purchase transaction lines · $1.0M gross purchase

WHY THIS SIGNAL?

Buyer breadthLow
Purchase sizeModerate
RoleModerate
RecencyLow
ConvictionStrong
Score anatomy

Each bar shows the contribution to the current score; the weights and formula stay unchanged.

Cluster+7.0 / 35
Purchase size+17.5 / 25
Role+14.0 / 20
Recency+3.4 / 10
Conviction+10.0 / 10

What is holding the score back?

  • ⚠ Cluster breadth is moderate · 1 insider(s), not 4+
  • ⚠ Role scores low · most senior buyer: TenPercentOwner (CEO, chair and 10% owners score lowest)
  • ⚠ Purchase activity is becoming less recent

Purchase-size comments are relative to the model scale. Average daily volume is a separate market-context diagnostic.

US-v1.2 ranks qualifying equity purchases under the current 180-day rules. The score is a research priority, not a return forecast or probability. Backtests have not shown that a higher US score is followed by better returns.

Insider activity timeline

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

AprMayJunJulAugSepOct
Chernett JoreyTenPercentOwner
●●●●●
MADRYN HEALTH ADVISORS GP II, LLC; MADRYN HEALTH ADVISORS II, LP; MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP; Madryn Asset Management, LP; Madryn Health Partners II, LP; Madryn Select Opportunities, LPTenPercentOwner
○○
Amin AvinashDirector
○○
Naor NirEVP, CFO & Treasurer
○
Rosengarten MeganDirector
○
MUIR GLENN PDirector
○
● Purchase▼ Sale○ Other

Showing the six most active owners; 3 additional owner(s) remain in Form 4 evidence.

Purchase breadth & concentration

QUALIFYING BUYERS1
PURCHASE CONCENTRATION100%Largest buyer: Chernett Jorey · $1.0M
CLUSTER BUYING · 15D1 insiderPeak activity: 2026-04-21–2026-04-21

Roles in the peak window: TenPercentOwner. Concentration uses priced qualifying P lines only and does not change the saved score.

SIGNAL HISTORY

51.9 / 100

Latest recorded score

↓ -0.9 ptsversus the previous recorded snapshot
  1. 53.0
  2. 53.0
  3. 52.9
  4. 52.8
  5. 51.9

Only scores saved when a full US scoring run completed are shown; gaps are not reconstructed.

Recent Form 4 activity

14Purchases
10Sales
28Other Form 4 lines
42SEC filings · 365 days
BUYING5 qualifying P line(s) · 180 days
SELLING0 sale line(s) · context only
OTHER16 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
-29.2%
3M
+19.0%
6M
+57.8%
12M
-28.3%

Volatility & liquidity

Volatility
112.9%
Beta
—
Avg daily value
USD 4.4M

Valuation

Market cap
USD 162.3M
P/E
—

Fundamentals

Profit margin
-26.1%
ROE
-174.3%
Industry
Medical Devices

Market data

Price data up to: 2026-10-11 · 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: 2026-08-05 · Status: PASS

Short interest

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

Shares short
7,067,347
Previous report
6,209,774
Avg daily volume
887,720
Days to cover
8.0

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
2026-08-14Chernett JoreyPurchase (P)Common Stock14,000USD 3.16USD 44,240SEC filing ↗
2026-07-14Chernett JoreyPurchase (P)Common Stock35,000USD 1.78USD 62,300SEC filing ↗
2026-05-19Chernett JoreyPurchase (P)Common Stock100,000USD 1.17USD 117,000SEC filing ↗
2026-05-12Chernett JoreyPurchase (P)Common Stock475,000USD 1.34USD 636,500SEC filing ↗
2026-04-21Chernett JoreyPurchase (P)Common Stock100,000USD 1.51USD 151,000SEC filing ↗
2026-04-20Chernett JoreyPurchase (P)Common Stock100,000USD 1.58USD 158,000SEC filing ↗
2026-03-30Chernett JoreyPurchase (P)Common Stock385,442USD 1.25USD 481,802SEC filing ↗
2026-03-27Chernett JoreyPurchase (P)Common Stock500,000USD 1.35USD 675,000SEC filing ↗
2026-03-26Chernett JoreyPurchase (P)Common Stock25,000USD 1.44USD 36,000SEC filing ↗
2026-03-25Chernett JoreyPurchase (P)Common Stock125,000USD 1.40USD 175,000SEC filing ↗
2026-03-20Chernett JoreyPurchase (P)Common Stock169,472USD 1.41USD 238,956SEC filing ↗
2026-03-19Chernett JoreyPurchase (P)Common Stock450,000USD 1.33USD 598,500SEC filing ↗
2026-03-18Chernett JoreyPurchase (P)Common Stock607,400USD 1.35USD 819,990SEC filing ↗
2026-03-17Chernett JoreyPurchase (P)Common Stock531,000USD 1.16USD 615,960SEC filing ↗
2024-09-12CASCELLA ROBERTPurchase (P)Common Stock100,000USD 0.75USD 75,000SEC filing ↗

Form 4 evidence

52 transaction lines in the latest 365-day window; 318 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-14Chernett JoreyPurchase (P)Common Stock14,000USD 3.16USD 44,240SEC filing ↗
2026-07-23Naor NirAward / grant (A)Common Stock500,000USD 0.00USD 0SEC filing ↗
2026-07-14Chernett JoreyPurchase (P)Common Stock35,000USD 1.78USD 62,300SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-08-14Chernett JoreyPurchase (P)Common Stock14,000USD 3.16USD 44,240SEC filing ↗
2026-07-23Naor NirAward / grant (A)Common Stock500,000USD 0.00USD 0SEC filing ↗
2026-07-14Chernett JoreyPurchase (P)Common Stock35,000USD 1.78USD 62,300SEC filing ↗
2026-06-15MADRYN HEALTH ADVISORS GP II, LLC; MADRYN HEALTH ADVISORS II, LP; MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP; Madryn Asset Management, LP; Madryn Health Partners II, LP; Madryn Select Opportunities, LPJ (J)Common Stock42,500USD 0.00USD 0SEC filing ↗
2026-06-15Amin AvinashJ (J)Common Stock42,500USD 0.00USD 0SEC filing ↗
2026-05-28MADRYN HEALTH ADVISORS GP II, LLC; MADRYN HEALTH ADVISORS II, LP; MADRYN HEALTH PARTNERS II (CAYMAN MASTER), LP; Madryn Asset Management, LP; Madryn Health Partners II, LP; Madryn Select Opportunities, LPJ (J)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-28Rosengarten MeganAward / grant (A)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-28MUIR GLENN PAward / grant (A)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-28Cucuz SashaAward / grant (A)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-28CONLEY SHERYL LAward / grant (A)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-28CASCELLA ROBERTAward / grant (A)Common Stock36,250USD 0.00USD 0SEC filing ↗
2026-05-28Amin AvinashAward / grant (A)Common Stock30,000USD 0.00USD 0SEC filing ↗
2026-05-19Chernett JoreyPurchase (P)Common Stock100,000USD 1.17USD 117,000SEC filing ↗
2026-05-12Chernett JoreyPurchase (P)Common Stock475,000USD 1.34USD 636,500SEC filing ↗
2026-04-21Chernett JoreyPurchase (P)Common Stock100,000USD 1.51USD 151,000SEC filing ↗
2026-04-20Chernett JoreyPurchase (P)Common Stock100,000USD 1.58USD 158,000SEC filing ↗
2026-03-30Chernett JoreyPurchase (P)Common Stock385,442USD 1.25USD 481,802SEC filing ↗
2026-03-27Chernett JoreyPurchase (P)Common Stock500,000USD 1.35USD 675,000SEC filing ↗
2026-03-26Chernett JoreyPurchase (P)Common Stock25,000USD 1.44USD 36,000SEC filing ↗
2026-03-25Chernett JoreyPurchase (P)Common Stock125,000USD 1.40USD 175,000SEC filing ↗
2026-03-23REUVERS DANIEL L.Award / grant (A)Common Stock1,500,000USD 0.00USD 0SEC filing ↗
2026-03-20Chernett JoreyPurchase (P)Common Stock169,472USD 1.41USD 238,956SEC filing ↗
2026-03-19Sullivan Keith JSale (S)Common Stock46,289USD 1.34USD 62,027SEC filing ↗
2026-03-19Pfanstiel StevenSale (S)Common Stock16,431USD 1.34USD 22,018SEC filing ↗
2026-03-19MACAN WILLIAM ANDREWSale (S)Common Stock16,005USD 1.34USD 21,447SEC filing ↗
2026-03-19Chernett JoreyPurchase (P)Common Stock450,000USD 1.33USD 598,500SEC filing ↗
2026-03-18Chernett JoreyPurchase (P)Common Stock607,400USD 1.35USD 819,990SEC filing ↗
2026-03-17Sullivan Keith JAward / grant (A)Common Stock112,500USD 0.00USD 0SEC filing ↗
2026-03-17Pfanstiel StevenAward / grant (A)Common Stock25,000USD 0.00USD 0SEC filing ↗
2026-03-17MACAN WILLIAM ANDREWAward / grant (A)Common Stock33,750USD 0.00USD 0SEC 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 date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerSTIM
CIK0001227636
SectorHealthcare
IndustryMedical Devices Yahoo Finance
SEC SIC3841 Surgical & Medical Instruments & Apparatus
ExchangeNasdaq

Data coverage

Local Form 4 history318 transaction lines from 2020-01-02 to 2026-08-14
72 P purchase lines · 120 S sale lines · 126 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.