Stock Trading Canary

Snapshot date: 2026-10-18 · Built: 2026-10-19T15:47:27+00:00 · Publication status: REVIEW

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COMPANY RESEARCH

Caledonia Mining Corp Plc

CMCL · United States · Basic Materials

INSIDER SIGNAL

Insider activity score:60.6 / 100

2 insiders · 3 purchase events · $741k net purchases

US #303 · United States #303

WHY THIS SIGNAL?

Score anatomy

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

Cluster+14.0 / 35

How many distinct insiders bought in the cluster

Purchase size+16.4 / 25

Purchase value relative to company size and liquidity

Role+0.0 / 20

The seniority and relevance of participating insiders

Recency+3.3 / 10

How recently the purchases occurred

Conviction+6.8 / 10

How clearly buying stands out from other activity

What is holding the score back?

  • ⚠ Buyer breadth is moderate · fewer than 4 distinct filers
  • ⚠ Insider role contributes less on the current role scale
  • ⚠ Purchase activity is becoming less recent
  • ⚠ Buying conviction is reduced by concurrent selling

The role contribution follows the US model's seniority ladder.

BUYING PROFILE

3 events · 2 insiders · 180d

Cluster 0%Repeat 67%Independent 33%Large 0%

Percentages are mutually exclusive and sum to 100%.

Buying concentration

80%

Largest buyer:Ndlovu July · 865k USD
Gross qualified purchase transaction-line value:1.08m USD

The headline $ total is net buying for the screen; this module uses gross qualified purchase transaction-line values in the filing currency, so the amounts can differ. The current 15-day buyer-breadth input counts distinct buyers; value concentration is disclosed separately here.

This is a ranking under the current US screening rules—not a probability of gain, return forecast, or buy recommendation.

Key purchase quotes (filing currency)

FilerPrice per unitTrade date
Ndlovu July23.03 USDAug 13, 2026
Gapare Victor18.7 USDJun 11, 2026
Ndlovu July24.81 USDMay 13, 2026
Model details

Cluster breakdown (does not change the score)

15-day buyer breadth (count)
1 distinct reported filers
Peak time window
2026-05-13 to 2026-05-13
Current breadth input
0.400 (capped at 4+ buyers)
Buyer independence
Not yet measured; related-party fields are not cross-market comparable

What the filings show

Insider vs stock price

3 purchase day(s), 3 purchase line(s) in the 180-day window. 1 sale day(s), 1 sale line(s).

Daily close (USD)Day with an insider purchaseDay with an insider sale
1820222426May 2026JunJulAugSepOct2026-05-13 · 1 purchase line(s) · 1 insider(s) · close since that day -2.4%2026-05-20 · 1 sale line(s) · close since that day +5.2%2026-06-11 · 1 purchase line(s) · 1 insider(s) · close since that day +24.0%2026-08-13 · 1 purchase line(s) · 1 insider(s) · close since that day +6.2%24.15last close07 Oct

Markers sit on the closing price of the transaction day. They show when insiders traded, not the price they paid or received. "Since" compares that day's close with the last close shown; it is what happened at this company, not a forecast.

Insider timeline

2 insiders bought in the last 180 days, 1 of them more than once. 1 of the buyers also disclosed a sale in the window.

Ndlovu JulyNdlovu JulyDirectorBoard memberGapare VictorGapare VictorDirector,TenPercentOwnerBoard member2026-05-18 · Ndlovu July · sale · 343,800 USD2026-05-13 · Ndlovu July · purchase · 372,150 USD2026-06-11 · Gapare Victor · purchase · 219,725 USD2026-08-13 · Ndlovu July · purchase · 492,842 USD2026-04-20 to 2026-04-26: 74 companies2026-04-27 to 2026-05-03: 96 companies2026-05-04 to 2026-05-10: 151 companies2026-05-11 to 2026-05-17: 232 companies2026-05-18 to 2026-05-24: 259 companies2026-05-25 to 2026-05-31: 171 companies2026-06-01 to 2026-06-07: 192 companies2026-06-08 to 2026-06-14: 172 companies2026-06-15 to 2026-06-21: 163 companies2026-06-22 to 2026-06-28: 108 companies2026-06-29 to 2026-07-05: 93 companies2026-07-06 to 2026-07-12: 80 companies2026-07-13 to 2026-07-19: 79 companies2026-07-20 to 2026-07-26: 70 companies2026-07-27 to 2026-08-02: 77 companies2026-08-03 to 2026-08-09: 131 companies2026-08-10 to 2026-08-16: 200 companies2026-08-17 to 2026-08-23: 218 companies2026-08-24 to 2026-08-30: 184 companies2026-08-31 to 2026-09-06: 175 companies2026-09-07 to 2026-09-13: 139 companies2026-09-14 to 2026-09-20: 186 companies2026-09-21 to 2026-09-27: 134 companies2026-09-28 to 2026-10-04: 130 companies2026-10-05 to 2026-10-11: 73 companies2026-10-12 to 2026-10-18: 72 companiesCompanies disclosing purchases, per weekMayJunJulAugSepOct

Tap an item for what it means.

●A purchase: the bigger the dot, the more was bought

Each dot is one insider's purchases on one day. The dot's area follows the amount: the largest purchase here gets the largest dot. Hold the pointer over a dot to see the date and the amount.

×A sale

A cross is one insider's sales on one day. People sell to pay tax, to cash in share awards or to hold less of one company, so a sale says less than a purchase does. When someone bought and sold on the same day, the cross sits beside the dot. The totals are under “Purchases against sales” below.

Blue line: this share's price, −0.8% over these six months

The closing price of each day, from 24.35 on 2026-04-21 to 24.15 on 2026-10-07. The line has no scale; read it for high and low: a dot on a low stretch was bought cheaply, a dot on a high stretch was not.

▂Grey bars: companies across United States disclosing purchases each week

A taller bar is a week in which more companies disclosed insider purchases.

This company: insiders buying per month, last 12 months

Nov
Dec
Jan
Feb
Mar
Apr
1May
1Jun
Jul
1Aug
Sep
Oct

Darker bars are inside the 180-day window above.

Who traded

InsiderRolePurchasesSalesBoughtFirst purchaseShare price since
Ndlovu JulyBoard member21865.0k USD2026-05-13−2.4%
Gapare VictorBoard member1—219.7k USD2026-06-11+24.0%

Purchases against sales

76%purchases
Purchases76%1.1M USD · 3 line(s) · 2 insider(s)
Sales24%343.8k USD · 1 line(s) · 1 insider(s)

Shares of the reported value of insider transactions in the 180-day window. Sales include disposals for tax, at option exercise or under a pre-set plan, which say little about an insider's view. The split describes what was disclosed; it is not a signal.

Why this score? · Model details

Priority = 100 × Σ(fixed weight × 0–1 rule-based input)

FactorWeightThis company inputPoint contribution
15-day buyer breadth (count)35%0.40014.0
Qualified-buy size25%0.65616.4
Role informativeness (inverted)20%1.00020.0
Recency10%0.3333.3
Buy/sell conviction10%0.6836.8

This is a heuristic ordering under the current rules, not a calibrated return forecast. It explains why candidates rank differently; the public-filing evidence and data limits are shown below.

BULL VS BEAR

Two readings of this buying

The same filings, read two ways. Each line is a fact stored for this company with the number behind it, and appears only when that number crosses a fixed threshold. Neither side is a forecast and no winner is declared.

Where the evidence comes from

Independent evidence does not object: the purchases themselves carry bull lines (more buyers than usual here); short sellers were checked and none crosses a bear threshold. No data is held for: share price and trading, company results, company actions.

  • The insider purchases themselvesBullmore buyers than usual here Bearinsiders also sold7 checked, under the threshold · 1 missing
  • Share price and tradingno data held
  • Short sellers2 checked, under the threshold
  • Company results2 missing
  • Company actionsno data held

Bull case · the buying is informative

  • No insider bought in the 180 days before this window; 2 have bought in it. The buying is new for this company, not a habit.

Bear case · discount it

  • Insiders also sold $344k in the same 180 days, 32% of the amount bought.

Evidence still missing

  • No buyer here has 5 or more completed earlier purchases on record, so there is no track record to weigh.
  • The company's market value is not captured, so the purchases cannot be stated as a share of the business or of its trading volume.
  • No earnings, margin or cash-flow figures are captured for this company. The latest annual and interim reports are where to check whether the business is improving or deteriorating.
Checked and under the threshold: 9, 2 close to it
  • BearThe largest buyer accounts for 80% of the value bought. Counted for the bear side from 80%. close to the threshold
  • BearFINRA short interest on 2026-09-30 equals 7.9 days of average trading volume, down 9.9% from the previous report. Counted for the bear side from 10 days, or from 10% of the shares outstanding. close to the threshold
  • BullAt most 1 insider bought within any 15 days. Counted for the bull side from 3.
  • EitherNet purchases of $741k in 180 days. Bull from $1.0M, bear when all purchases total under $25k.
  • EitherThe latest purchase is 66 days old. Bull up to 14 days, bear from 90.
  • BearNone of the 3 purchase filings ticks Form 4's 10b5-1 box.
  • BearOver the last 5 trading days to 2026-10-16, 57% of this stock's off-exchange volume was sold short; over the 60 days before, 49%. The market's median is 50%. This is trading volume, not a position: a market maker who sells short and covers the same day is counted, so about half of all volume is short on an ordinary day. It is shown for comparison and counts for neither side.
  • Bull3 of 3 purchase filings state the shares held before and after. The largest addition to an existing holding took it from 229,089 to 250,489 shares (+9.3%). Counted for the bull side from +100%, for the bear side below +1%.
  • BearNo insider filing in the last 180 days opened a hedge on this stock.

Both columns arrange stored facts only. They do not change the insider score or the ranking and are not investment advice.

Signal history

60.6 / 100

Latest recorded score

↑ +6.5 ptssince the first recorded snapshot on 2026-10-09; 9 calendar days observed
Recorded snapshots
7
First snapshot
2026-10-09

There is not yet a 30-calendar-day comparison; earlier scores are not reconstructed. These are raw signal scores saved when each full scoring run completed. They describe changes in research ranking, not price performance or returns.

Why did it change?

Less than 30 days of comparable history is available, so factor movement is not yet decomposed.

Signal score history

Fixed 0–100 scale; dates are spaced by calendar time.

02550751002026-10-09 · 54.12026-10-12 · 61.12026-10-13 · 61.02026-10-14 · 61.02026-10-15 · 60.92026-10-16 · 60.72026-10-18 · 60.6Oct 09Oct 13Oct 14Oct 15Oct 18

Recent recorded points

  1. 54.1
  2. 61.0
  3. 61.0
  4. 60.9
  5. 60.6
View all recorded scores
Snapshot dateSignal score
2026-10-0954.1
2026-10-1261.1
2026-10-1361.0
2026-10-1461.0
2026-10-1560.9
2026-10-1660.7
2026-10-1860.6

Sector context

Basic Materials

Buying breadth
4.0% (10 / 252 issuers)
Sector rank
#9 / 13

This is sector-level research context. It does not affect the Insider Signal or ranking.

View US sector research →

Insider profile outcomes

Historical performance following insider filings. The company role is translated below each name while preserving the original title.

Events are disclosure-level observations; related disclosures published on the same date may share a return path and may not be statistically independent. This research enrichment does not affect the insider score or ranking.

Ndlovu JulyDirector
First purchase in 12M
1/2
Large purchase ≥ $100k
2/2
Cluster buying · 15D
0/2
Buying the dip · ≥20% below prior 52W high
Not classifiable
Routine / opportunistic
Not classifiable
Gapare VictorDirector,TenPercentOwner
First purchase in 12M
1/1
Large purchase ≥ $100k
1/1
Cluster buying · 15D
0/1
Buying the dip · ≥20% below prior 52W high
Not classifiable
Routine / opportunistic
Not classifiable

Insiders' buying price vs the latest close

No daily prices have been captured for this stock yet.

Buying size vs market trading

Market history is too old for this snapshot; ratios are withheld.

Market-data coverage: 238 verified sessions · Latest session: 2026-10-07 · Ratio status: Unavailable

Traded value is estimated as close × shares traded, in major currency units. Includes disclosed qualifying purchases; disclosures may lag. Contractual or planned acquisitions are not necessarily discretionary. Ratios describe relative trading size, not market participation or score contributions.

Regulatory filings

Unfold all 7 filings

Results and insider purchases

No results announcement (8-K Item 2.02) from this company was found in its SEC filings.

Ownership and trading-plan context

Direct / indirect ownershipUnavailable
10b5-1 filing evidenceUnavailable
Evidence retrievedUnavailable

These are accession-level filing fields. Unavailable means the evidence was not fetched or parsed; it is never inferred as “No” and does not adjust the US score.

Filing evidence

These are underlying national-feed records from the 365-day window ending on the saved ranking snapshot. The score uses only the latest 180 days; older qualifying equity purchases remain visible for audit but do not enter the current score. The original filer, role, transaction classification, instrument, price, volume, value and source fields are retained. The first three rows are shown; remaining records can be unfolded for audit. Other transaction types are retained but excluded from the score.

Excluded transactions & classification

3 qualifying purchase disclosure(s) · 3 transaction line(s)

Jun 11, 2026Open market purchase
Gapare Victor · Director,TenPercentOwner
Common shares · 11750.0 shares × 18.7 USD · 219725.0 USD
Open filing
May 13, 2026Open market purchase
Ndlovu July · Director
Common shares · 15000.0 shares × 24.81 USD · 372150.0 USD
Open filing
Aug 13, 2026Open market purchase
Ndlovu July · Director
Common shares · 21400.0 shares × 23.03 USD · 492842.0 USD
Open filing

Showing 3 of 3 matching raw-feed row(s) from the current 365-day research window. Prices and reported values remain in the filing currency and its major unit (for example, UK pence are parsed as GBP). The screen-level $ aggregate is separately FX-normalised for research ranking, not a trade-date conversion.

Other disclosed transactions · excluded from score

View 4 other transaction(s)

May 18, 2026Open market sale
Ndlovu July · Director
Common shares · 20000.0 shares × 17.19 USD · 343800.0 USD
Open filing
Apr 1, 2026Grant or award
Learmonth John Mark · Chief Executive Officer
Common shares · 7134.0 shares × 22.59 USD · 161157.06 USD
Open filing
Apr 1, 2026Grant or award
Jerrard Ross Ian · Chief Financial Officer
Common shares · 2062.0 shares × 22.59 USD · 46580.58 USD
Open filing
Unfold all 1 remaining filing row(s)
Transaction datePublishedFilerRoleTransactionInstrumentPrice (local currency)Quote currencyVolumeReported value (local currency)Source
2026-04-012026-04-02Chester Adam David MarkChief Legal OfficerGrant or awardCommon shares22.59 USDUSD2070.046761.3 USDOpen filing

Showing 4 of 4 matching raw-feed row(s) from the current 365-day research window. Prices and reported values remain in the filing currency and its major unit (for example, UK pence are parsed as GBP). The screen-level $ aggregate is separately FX-normalised for research ranking, not a trade-date conversion.

Snapshot & identity

Snapshot date
2026-10-18
Ticker
CMCL
ISIN
—
Sector
Basic Materials
Industry
—

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Signal outcomes

Calculated from immutable US ranking snapshots; excess return is stock return minus SPY return. Newly saved snapshots remain pending until each forward horizon matures. This never affects the US score.

HorizonStatusResult
5DAwaiting maturity—
20DAwaiting maturity—
60DAwaiting maturity—
120DAwaiting maturity—

How to read Form 4 transaction codes

CodeInterpretationScreen treatment
POpen-market / private purchaseBuy evidence when the security is qualifying equity
SSaleSell evidence when the security is qualifying equity
AGrant / awardContext only
FTax-related withholdingContext only
MOption exerciseContext only
GGiftContext only
J / LOther / non-directionalContext only

P/S rows for options, warrants, compensation units and debt remain visible for audit but are excluded from equity scores and quotes.