Stock Trading Canary

Snapshot date: 2026-10-18 · Built: 2026-10-19T15:24:33+00:00 · Publication status: PASS

← Europe ranking · 中文

COMPANY RESEARCH

Convatec Group Plc

CTEC.L · United Kingdom · Healthcare · Medical Instruments & Supplies

INSIDER SIGNAL

Insider activity score:59.9 / 100

4 insiders · 4 purchase events · €379k net purchases

Europe #307 · United Kingdom #89

WHY THIS SIGNAL?

Score anatomy

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

Cluster+21.0 / 35

How many distinct insiders bought in the cluster

Purchase size+20.8 / 25

Purchase value relative to company size and liquidity

Role+20.0 / 20

The seniority and relevance of participating insiders

Recency+8.1 / 10

How recently the purchases occurred

Conviction+10.0 / 10

How clearly buying stands out from other activity

What is holding the score back?

  • ⚠ Buyer breadth is moderate · fewer than 4 distinct filers
  • ✓ Strong insider role · ceo/chair involved
  • ✓ Recent activity · latest purchase 2026-10-14

The role contribution uses the inverted role input of the current European model.

BUYING PROFILE

4 events · 4 insiders · 180d

Cluster 50%Repeat 0%Independent 50%Large 0%

Percentages are mutually exclusive and sum to 100%.

Buying concentration

35%

Largest buyer:Tobias Hestler · 113k GBP
Gross qualified purchase transaction-line value:320k GBP

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 European screening rules—not a probability of gain, return forecast, or buy recommendation.

Key purchase quotes (filing currency)

FilerPrice per unitTrade date
Jens Viebke2.298 GBPOct 14, 2026
Tobias Hestler2.258 GBPAug 7, 2026
Jonny Mason2.01169 GBPMay 27, 2026
Model details

Cluster breakdown (does not change the score)

15-day buyer breadth (count)
2 distinct reported filers
Peak time window
2026-05-27 to 2026-05-27
Current breadth input
0.600 (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), 4 purchase line(s) in the 180-day window.

Daily close (GBp)Day with an insider purchaseTwo or more insiders the same day
0100200May 2026JunJulAugSepOct2026-05-27 · 2 purchase line(s) · 2 insider(s) · close since that day +8534.3%2026-08-07 · 1 purchase line(s) · 1 insider(s) · close since that day +7411.3%2026-10-14 · 1 purchase line(s) · 1 insider(s) · close since that day +1.4%238.00last close16 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 on the same day, 27 May: 1 CFO, 1 CEO / chair. 2 more bought afterwards. The share closed at 2.76 that day and at 238.00 most recently (+8534.3%). That week 237 companies across Europe disclosed insider purchases, more than in 81% of the last 26 weeks: insiders often buy together when a closed period ends, so the timing alone says less than it seems.

Several insiders within 15 days: 2026-05-27 – 2026-05-27Fiona RyderFiona RyderChief Financial Officer and PDMRCFOJonny MasonJonny MasonChief Executive Officer and PDMRCEO / chairTobias HestlerTobias HestlerNon-Executive DirectorBoard memberJens ViebkeJens ViebkeNon-Executive DirectorBoard member2026-05-27 · Fiona Ryder · purchase · 50,004 GBP2026-05-27 · Jonny Mason · purchase · 100,585 GBP2026-08-07 · Tobias Hestler · purchase · 112,900 GBP2026-10-14 · Jens Viebke · purchase · 56,071 GBP2026-04-20 to 2026-04-26: 136 companies2026-04-27 to 2026-05-03: 203 companies2026-05-04 to 2026-05-10: 241 companies2026-05-11 to 2026-05-17: 211 companies2026-05-18 to 2026-05-24: 244 companies2026-05-25 to 2026-05-31: 237 companies2026-06-01 to 2026-06-07: 243 companies2026-06-08 to 2026-06-14: 237 companies2026-06-15 to 2026-06-21: 211 companies2026-06-22 to 2026-06-28: 185 companies2026-06-29 to 2026-07-05: 192 companies2026-07-06 to 2026-07-12: 160 companies2026-07-13 to 2026-07-19: 181 companies2026-07-20 to 2026-07-26: 167 companies2026-07-27 to 2026-08-02: 160 companies2026-08-03 to 2026-08-09: 152 companies2026-08-10 to 2026-08-16: 164 companies2026-08-17 to 2026-08-23: 194 companies2026-08-24 to 2026-08-30: 182 companies2026-08-31 to 2026-09-06: 188 companies2026-09-07 to 2026-09-13: 178 companies2026-09-14 to 2026-09-20: 173 companies2026-09-21 to 2026-09-27: 179 companies2026-09-28 to 2026-10-04: 183 companies2026-10-05 to 2026-10-11: 166 companies2026-10-12 to 2026-10-18: 138 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.

▮Purple band: several insiders bought within 15 days

The band marks the stretch with the most different buyers: at most 15 days long and at least two people. Here it is 27 May, with 2 insiders. Only the strongest stretch is marked. Several people deciding the same thing is harder to explain by one person's private reasons, but insiders often buy together just after a closed period ends, so compare it with the grey weekly bars.

Blue line: this share's price, +7514.0% over these six months

The closing price of each day, from 3.13 on 2026-04-21 to 238.00 on 2026-10-16. 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.

Dashed line: the typical stock on the same exchange, +2.7%

Taken from the 491 other stocks on the same exchange that this site holds prices for. Each is measured from the first day of the window, and every day the middle one is drawn. It starts where the blue line starts, so the gap between the two is the difference: this share +7514.0%, the typical one +2.7%, 7511.3 points ahead. It is not an index and not a comparison within one industry.

▂Grey bars: companies across Europe disclosing purchases each week

A taller bar is a week in which more companies disclosed insider purchases. The purple bar is the week of the band above: 237 companies, number 4 of the last 26 weeks. If that week was a peak anyway, buying together is less special than it looks.

This company: insiders buying per month, last 12 months

Nov
Dec
Jan
Feb
Mar
Apr
2May
Jun
Jul
1Aug
Sep
1Oct

Darker bars are inside the 180-day window above.

Who traded

InsiderRolePurchasesSalesBoughtFirst purchaseShare price sinceEarlier purchases
Fiona RyderCFO1—50.0k GBP2026-05-27+8534.3%fewer than 5 completed
Jonny MasonCEO / chair1—100.6k GBP2026-05-27+8534.3%fewer than 5 completed
Tobias HestlerBoard member1—112.9k GBP2026-08-07+7411.3%fewer than 5 completed
Jens ViebkeBoard member1—56.1k GBP2026-10-14+1.4%fewer than 5 completed
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%0.60021.0
Qualified-buy size25%0.83320.8
Role informativeness (inverted)20%0.0000.0
Recency10%0.8128.1
Buy/sell conviction10%1.00010.0

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.

Since 2026-10-13: new on the bull side: bought in the last two weeks. All bull and bear lists, and what followed each line in the past →

Where the evidence comes from

The two kinds of evidence disagree: the purchases themselves carry bull lines (more buyers than usual here, senior executive buying, bought in the last two weeks), while short sellers argue against (published short positions). Also, company actions point the same way (company is buying back shares).

  • The insider purchases themselvesBullmore buyers than usual here, senior executive buying, bought in the last two weeks Bearsmall purchases4 checked, under the threshold · 3 missing
  • Share price and trading2 checked, under the threshold
  • Short sellersBearpublished short positions
  • Company results1 checked, under the threshold · 1 missing
  • Company actionsBullcompany is buying back shares

Bull case · the buying is informative

  • No insider bought in the 180 days before this window; 4 have bought in it. The buying is new for this company, not a habit.Record: after 3,134 earlier disclosures like this, the median 60-session excess return was −2.7%, within 1 percentage point of all comparable disclosures (−2.7%).
  • Company actionsThe company announced 4 transactions in its own shares in the last 30 days (latest 2026-10-12); the 4 read are all purchases. The company is buying its own shares while its insiders buy.
  • The buyers include the CEO or chair, who sees more of the business than most filers. This site's score gives little or no credit for that: in its backtests purchases by senior executives did no better than other insiders' purchases.Record: after 8,797 earlier disclosures like this, the median 60-session excess return was −3.1%, within 1 percentage point of all comparable disclosures (−3.2%).
  • The latest purchase is 3 days old (2026-10-14). The buying is current, not left over from an earlier quarter.

Bear case · discount it

  • Net purchases of €379k are <0.01% of the company's market value (€4.8bn): a visible sum, a small one against the business.
  • Short sellersDisclosed net short positions total 5.15% of the share capital: other professional investors are positioned the opposite way. On 2026-10-02 it was 4.80%: up 0.35 points since.

Evidence still missing

  • No buyer here has 5 or more completed earlier purchases on record, so there is no track record to weigh.
  • Only one reading of profitability is held (profit margin 5.0%). Whether earnings and cash flow are rising or falling needs the last two reports side by side.
  • European notifications have no field saying whether a purchase was pre-arranged; there is no counterpart to the US 10b5-1 box. None of the 4 purchase lines mentions a plan, but a bare “Share purchase” does not rule one out.
  • The filings give the size of each trade, not what the buyer already held. Whether a purchase added 1% to a personal stake or doubled it is not known.
Checked and under the threshold: 7, 1 close to it
  • BullAt most 2 insiders bought within any 15 days. Counted for the bull side from 3. close to the threshold
  • BearThe largest buyer accounts for 35% of the value bought. Counted for the bear side from 80%.
  • Bear0 of 4 buyers filed as a person closely associated with a manager. Counted for the bear side from half.
  • BearNo insider sale is recorded in the same 180 days.
  • BearThe share price changed +7327% over six months (three months +7900%, one month +7980%) and stands 8.2% below its 52-week high. Counted for the bear side from a fall of 20%.
  • BearOver three months the share price changed +7900% and the median of 271 Healthcare companies changed −6.3%: ahead by 7906 points. Counted for the bear side from 20 points behind.
  • BearProfit margin on the latest captured figures is 5.0%. Counted for the bear side when negative.

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

Signal history

59.9 / 100

Latest recorded score

↑ +7.7 ptsversus the comparable snapshot on 2026-09-14 (34 calendar days apart)
Recorded snapshots
35
First snapshot
2026-08-26

Only scores captured when the scoring run completed are compared. 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?

Decomposition across the five score factors between comparable snapshots; historical scores are not recalculated.

  • Purchase size+0.4 pts
  • Recency+7.4 pts

Signal score history

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

02550751002026-08-26 · 59.12026-08-27 · 59.12026-08-28 · 53.82026-08-31 · 53.42026-09-01 · 53.22026-09-02 · 53.12026-09-03 · 53.02026-09-04 · 52.92026-09-07 · 52.62026-09-08 · 52.62026-09-09 · 52.52026-09-10 · 52.42026-09-11 · 52.42026-09-14 · 52.22026-09-23 · 51.92026-09-24 · 51.82026-09-25 · 51.82026-09-28 · 51.82026-09-29 · 51.72026-09-30 · 51.72026-10-01 · 51.72026-10-02 · 51.72026-10-03 · 51.72026-10-04 · 51.72026-10-05 · 51.72026-10-06 · 51.72026-10-07 · 51.62026-10-08 · 51.62026-10-09 · 51.62026-10-12 · 51.62026-10-13 · 51.62026-10-14 · 61.82026-10-15 · 61.12026-10-16 · 60.52026-10-18 · 59.9Aug 26Sep 07Sep 28Oct 07Oct 18

Recent recorded points

  1. 59.1
  2. 52.6
  3. 51.8
  4. 51.6
  5. 59.9
View all recorded scores
Snapshot dateSignal score
2026-08-2659.1
2026-08-2759.1
2026-08-2853.8
2026-08-3153.4
2026-09-0153.2
2026-09-0253.1
2026-09-0353.0
2026-09-0452.9
2026-09-0752.6
2026-09-0852.6
2026-09-0952.5
2026-09-1052.4
2026-09-1152.4
2026-09-1452.2
2026-09-2351.9
2026-09-2451.8
2026-09-2551.8
2026-09-2851.8
2026-09-2951.7
2026-09-3051.7
2026-10-0151.7
2026-10-0251.7
2026-10-0351.7
2026-10-0451.7
2026-10-0551.7
2026-10-0651.7
2026-10-0751.6
2026-10-0851.6
2026-10-0951.6
2026-10-1251.6
2026-10-1351.6
2026-10-1461.8
2026-10-1561.1
2026-10-1660.5
2026-10-1859.9

Sector context

Healthcare

Buying breadth
6.1% (48 / 792 issuers)
Sector rank
#11 / 12
7D breadth change
-0.4 pp · vs 2026-10-12 (6d)
30D breadth change
History building

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

View Europe 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.

Fiona RyderChief Financial Officer and PDMR | Interim Chief Financial Officer and PDMR2 completed 20D event(s)
PeriodCompleted eventsPrice coverageHit rateMedian excess returnAverage excess returnWorst excess return
5D2Small sample100.0% (2/2)50.0% (1/2)+0.2%+0.2%-0.4%
20D2Small sample100.0% (2/2)50.0% (1/2)-1.1%-1.1%-5.9%
60D2Small sample100.0% (2/2)50.0% (1/2)+3.8%+3.8%-3.8%
120D1Small sample100.0% (1/1)0.0% (0/1)-18.8%-18.8%-18.8%
First purchase in 12M
1/2
Large purchase ≥ €100k
0/2
Cluster buying · 15D
2/2
Buying the dip · ≥20% below prior 52W high
2/2
Routine / opportunistic
Not classifiable
Jonny MasonChief Executive Officer and PDMR | Interim Chief Executive Officer and PDMR2 completed 20D event(s)
PeriodCompleted eventsPrice coverageHit rateMedian excess returnAverage excess returnWorst excess return
5D2Small sample100.0% (2/2)50.0% (1/2)+0.2%+0.2%-0.4%
20D2Small sample100.0% (2/2)50.0% (1/2)-1.1%-1.1%-5.9%
60D2Small sample100.0% (2/2)50.0% (1/2)+3.8%+3.8%-3.8%
120D1Small sample100.0% (1/1)0.0% (0/1)-18.8%-18.8%-18.8%
First purchase in 12M
1/2
Large purchase ≥ €100k
2/2
Cluster buying · 15D
2/2
Buying the dip · ≥20% below prior 52W high
2/2
Routine / opportunistic
Not classifiable
Tobias HestlerNon-Executive Director2 completed 20D event(s)
PeriodCompleted eventsPrice coverageHit rateMedian excess returnAverage excess returnWorst excess return
5D2Small sample100.0% (2/2)100.0% (2/2)+1.1%+1.1%+0.2%
20D2Small sample100.0% (2/2)0.0% (0/2)-3.2%-3.2%-4.7%
60D0No dataAwaiting maturity————
120D0No dataAwaiting maturity————
First purchase in 12M
2/2
Large purchase ≥ €100k
2/2
Cluster buying · 15D
0/2
Buying the dip · ≥20% below prior 52W high
0/2
Routine / opportunistic
Not classifiable

Market context

PRICE PERFORMANCE

1M
+7979.7%
3M
+7900.1%
6M
+7327.5%
12M
+7226.0%

VOLATILITY & LIQUIDITY

Volatility
7312.2%
Beta
0.77
Avg daily volume
£17.0M

VALUATION

Market cap
£4.0B
P/E
41.9×

FUNDAMENTALS

Profit margin
5.0%
ROE
7.7%
Industry
Medical Instruments & Supplies

Prices to 18 Oct 2026: OpenBB/yfinance. From OpenBB/yfinance, captured 18 Oct 2026: Market cap, P/E, Profit margin, ROE, Beta, Industry. It does not affect the insider score or rank.

Disclosed net short positions

Aggregate net short
5.15%
Latest position date
14 Oct 2026

The FCA publishes one aggregate figure per issuer, the sum of all positions notified to it, and does not name the holders. Source: FCA · read 18 Oct 2026

Short-position disclosures are external context; they do not affect the insider score, ranking, or filing eligibility.

Insiders' buying price vs the latest close

Insiders paid 2.14 GBP a share on average (4 purchase lines, 4 buyers, 2026-05-27 – 2026-10-14). The close on 2026-10-16 was 11.3% above that price.

The latest purchase (2026-10-14) was at 2.30 GBP; the close was 3.6% above that price.

Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored.

Buying size vs market trading

Quote currency is not verified.

Market-data coverage: 263 verified sessions · Latest session: 2026-10-16 · Ratio status: Unavailable

Recent and largest purchase events / preceding 60-session ADTV

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.

Latest news

No news has been captured for this company.

Regulatory filings

Unfold all 5 filings

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

4 qualifying purchase disclosure(s) · 4 transaction line(s)

Oct 14, 2026Share purchase
Jens Viebke · Non-Executive Director
Ordinary share of 10p each in Convatec Group Plc · 24400 shares × 2.298 GBP · —
Open filing
Aug 7, 2026Share purchase
Tobias Hestler · Non-Executive Director
Ordinary share of 10p each in Convatec Group Plc · 50000 shares × 2.258 GBP · —
Open filing
May 27, 2026Share purchase
Jonny Mason · Chief Executive Officer and PDMR
Ordinary share of 10p each in Convatec Group Plc · 50000 shares × 2.01169 GBP · —
Open filing
Unfold all 1 remaining filing row(s)
Transaction datePublishedFilerRoleTransactionInstrumentPrice (local currency)Quote currencyVolumeSource
2026-05-272026-05-27Fiona RyderChief Financial Officer and PDMRShare purchaseOrdinary share of 10p each in Convatec Group Plc2.00071 GBPGBP24993Open 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.

Other disclosed transactions · excluded from score

View 10 other transaction(s)

Mar 17, 2026a. Vesting of PSA under the LTIP. b. Vesting of RSU under the DBP.
Jonny Mason · Chief Executive Officer and PDMR
Ordinary share of 10p each in Convatec Group Plc · 511469 shares × 0 GBP · —
Open filing
Mar 17, 2026a. Vesting of PSA under the LTIP. b. Vesting of RSU under the DBP.
Jonny Mason · Chief Executive Officer and PDMR
Ordinary share of 10p each in Convatec Group Plc · 106137 shares × 0 GBP · —
Open filing
Mar 17, 2026a. Vesting of PSA under the LTIP. b. Vesting of RSU under the LTIP.
Fiona Ryder · Chief Financial Officer and PDMR
Ordinary share of 10p each in Convatec Group Plc · 27001 shares × 0 GBP · —
Open filing
Unfold all 7 remaining filing row(s)
Transaction datePublishedFilerRoleTransactionInstrumentPrice (local currency)Quote currencyVolumeSource
2026-03-172026-03-17Fiona RyderChief Financial Officer and PDMRa. Vesting of PSA under the LTIP. b. Vesting of RSU under the LTIP.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP31748Open filing
2026-03-112026-03-12Jonny MasonChief Executive Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP1776206Open filing
2026-03-112026-03-12Jonny MasonChief Executive Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP165419Open filing
2026-03-112026-03-12Jonny MasonChief Executive Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP417931Open filing
2026-03-112026-03-12Fiona RyderChief Financial Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP567413Open filing
2026-03-112026-03-12Fiona RyderChief Financial Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP19028Open filing
2026-03-112026-03-12Fiona RyderChief Financial Officer and PDMRa. Grant of PSA under the LTIP, subject to performance conditions. b. Grant of DBA under the LTIP, subject to a time-based vesting period of three years. c. Grant of RSA under the LTIP, subject to a time-based vesting period of three years.Ordinary share of 10p each in Convatec Group Plc0 GBPGBP170224Open filing

Showing 10 of 10 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
CTEC.L
ISIN
GB00BD3VFW73
Sector
Healthcare
Industry
Medical Instruments & Supplies

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