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

FUELCELL ENERGY INC

FCEL · Nasdaq; OTC · CIK 0000886128 · Industrials · Electrical Equipment & Parts

INSIDER SIGNAL

56.6 / 100

1 buyers · 2 purchase transaction lines · $741.9K gross purchase

WHY THIS SIGNAL?

Buyer breadthLow
Purchase sizeModerate
RoleStrong
RecencyModerate
ConvictionStrong
Score anatomy

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

Cluster+7.0 / 35
Purchase size+15.5 / 25
Role+20.0 / 20
Recency+5.7 / 10
Conviction+8.4 / 10

What is holding the score back?

  • ⚠ Cluster breadth is moderate · 1 insider(s), not 4+
  • ✓ Role scores high · most senior buyer: Director

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
Achanta ShankarEVP, Chf. Product &Tech Ofc.
○○▼▼
Livingston III Homer JohnDirector
●●
von Althann NaticaDirector
○
Bingham Betsy BDirector
○
● Purchase▼ Sale○ Other

—

Purchase breadth & concentration

QUALIFYING BUYERS1
PURCHASE CONCENTRATION100%Largest buyer: Livingston III Homer John · $741.9K
CLUSTER BUYING · 15D1 insiderPeak activity: 2026-07-16–2026-07-16

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

SIGNAL HISTORY

56.6 / 100

Latest recorded score

↑ +0.2 ptsversus the previous recorded snapshot
  1. 56.8
  2. 56.6
  3. 56.5
  4. 56.4
  5. 56.6

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

Recent Form 4 activity

2Purchases
4Sales
30Other Form 4 lines
19SEC filings · 365 days
BUYING2 qualifying P line(s) · 180 days
SELLING2 sale line(s) · context only
OTHER4 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot detected in parsed evidence

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
+15.7%
3M
-5.5%
6M
+171.1%
12M
+76.2%

Volatility & liquidity

Volatility
124.1%
Beta
—
Avg daily value
USD 145.0M

Valuation

Market cap
USD 1.4B
P/E
—

Fundamentals

Profit margin
-118.8%
ROE
-28.4%
Industry
Electrical Equipment & Parts

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: 2025-10-31 · Market cap is the shares outstanding stated on the filing cover multiplied by the latest close. Share count date: 2026-08-27 · Status: PASS

Short interest

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

Shares short
24,465,442
Previous report
24,900,440
Avg daily volume
5,369,590
Days to cover
4.6

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
2026-09-14Livingston III Homer JohnPurchase (P)Common Stock16,404USD 15.05USD 246,883SEC filing ↗
2026-07-16Livingston III Homer JohnPurchase (P)Common Stock26,343USD 18.79USD 494,985SEC filing ↗
2021-01-25Few JasonPurchase (P)Common Stock11,000USD 17.99USD 197,890SEC filing ↗

Form 4 evidence

36 transaction lines in the latest 365-day window; 290 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-06Achanta ShankarSale (S)Common Stock2,500USD 18.50USD 46,250SEC filing ↗
2026-09-14Livingston III Homer JohnPurchase (P)Common Stock16,404USD 15.05USD 246,883SEC filing ↗
2026-07-16Livingston III Homer JohnPurchase (P)Common Stock26,343USD 18.79USD 494,985SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-10-06Achanta ShankarSale (S)Common Stock2,500USD 18.50USD 46,250SEC filing ↗
2026-09-14Livingston III Homer JohnPurchase (P)Common Stock16,404USD 15.05USD 246,883SEC filing ↗
2026-07-16Livingston III Homer JohnPurchase (P)Common Stock26,343USD 18.79USD 494,985SEC filing ↗
2026-07-06Achanta ShankarSale (S)Common Stock2,500USD 28.71USD 71,775SEC filing ↗
2026-05-08Achanta ShankarOption exercise / conversion (M)Common Stock2,020USD 0.00USD 0SEC filing ↗
2026-05-08Achanta ShankarTax withholding (F)Common Stock492USD 13.70USD 6,740SEC filing ↗
2026-04-21von Althann NaticaOption exercise / conversion (M)Common Stock23,859USD 0.00USD 0SEC filing ↗
2026-04-21Bingham Betsy BOption exercise / conversion (M)Common Stock23,859USD 0.00USD 0SEC filing ↗
2026-04-20Achanta ShankarSale (S)Common Stock2,500USD 8.00USD 20,000SEC filing ↗
2025-12-30Few JasonOption exercise / conversion (M)Common Stock29,250USD 0.00USD 0SEC filing ↗
2025-12-30Few JasonTax withholding (F)Common Stock9,167USD 7.94USD 72,786SEC filing ↗
2025-12-30Dolger JoshuaOption exercise / conversion (M)Common Stock6,250USD 0.00USD 0SEC filing ↗
2025-12-30Dolger JoshuaTax withholding (F)Common Stock1,959USD 7.94USD 15,554SEC filing ↗
2025-12-30Bishop Michael S.Option exercise / conversion (M)Common Stock11,363USD 0.00USD 0SEC filing ↗
2025-12-30Bishop Michael S.Tax withholding (F)Common Stock3,562USD 7.94USD 28,282SEC filing ↗
2025-12-30Achanta ShankarOption exercise / conversion (M)Common Stock6,250USD 0.00USD 0SEC filing ↗
2025-12-30Achanta ShankarTax withholding (F)Common Stock1,688USD 7.94USD 13,403SEC filing ↗
2025-12-22Bingham Betsy BSale (S)Common Stock8,608USD 8.52USD 73,340SEC filing ↗
2025-12-11Few JasonOption exercise / conversion (M)Common Stock11,818USD 0.00USD 0SEC filing ↗
2025-12-11Few JasonTax withholding (F)Common Stock3,704USD 8.75USD 32,410SEC filing ↗
2025-12-11Dolger JoshuaOption exercise / conversion (M)Common Stock2,525USD 0.00USD 0SEC filing ↗
2025-12-11Dolger JoshuaTax withholding (F)Common Stock792USD 8.75USD 6,930SEC filing ↗
2025-12-11Bishop Michael S.Option exercise / conversion (M)Common Stock4,591USD 0.00USD 0SEC filing ↗
2025-12-11Bishop Michael S.Tax withholding (F)Common Stock1,439USD 8.75USD 12,591SEC filing ↗
2025-12-05Few JasonOption exercise / conversion (M)Common Stock9,789USD 0.00USD 0SEC filing ↗
2025-12-05Few JasonTax withholding (F)Common Stock3,069USD 8.37USD 25,688SEC filing ↗
2025-12-05Dolger JoshuaOption exercise / conversion (M)Common Stock1,711USD 0.00USD 0SEC filing ↗
2025-12-05Dolger JoshuaTax withholding (F)Common Stock537USD 8.37USD 4,495SEC filing ↗
2025-12-05Bishop Michael S.Option exercise / conversion (M)Common Stock2,224USD 0.00USD 0SEC filing ↗
2025-12-05Bishop Michael S.Tax withholding (F)Common Stock698USD 8.37USD 5,842SEC 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 · —
TickerFCEL
CIK0000886128
SectorIndustrials
IndustryElectrical Equipment & Parts Yahoo Finance
SEC SIC3620 Electrical Industrial Apparatus
ExchangeNasdaq; OTC

Data coverage

Local Form 4 history290 transaction lines from 2020-02-11 to 2026-10-06
3 P purchase lines · 9 S sale lines · 278 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.