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INSIDER PROFILE · UK
Stephan Shakespeare
Chief Executive Officer
Profile key: uk|stephan shakespeare
Purchase history
- Companies traded
- 1
- Purchases · 12M
- 1
- Purchases · 24M
- 3
- Average purchase
- £167,302
- Gross purchase value
- £501,906
- Last purchase
- 2026-03-24
- Completed 20D events
- 3.0
- Outcome status
- INSUFFICIENT_SAMPLE
Latest company: YouGov plc
Companies: YouGov plc
Post-purchase outcomes
Benchmark-relative outcomes are available against FTSE 100.
- Excess return = stock return − FTSE 100 return over the same period.
- Hit rate = positive excess-return events ÷ completed events.
- Price coverage = valid point-in-time prices ÷ events mature enough for that period.
- Returns start on the first shared trading session on or after publication.
| Period | Completed events | Price coverage | Hit rate | Median excess return | Average excess return | Worst excess return |
|---|---|---|---|---|---|---|
| 5D | 3Small sample | 100.0% (3/3) | 100.0% (3/3) | +4.0% | +4.0% | +0.4% |
| 20D | 3Small sample | 100.0% (3/3) | 33.3% (1/3) | -7.6% | -2.3% | -17.2% |
| 60D | 3Small sample | 100.0% (3/3) | 33.3% (1/3) | -14.5% | -2.4% | -29.8% |
| 120D | 3Small sample | 100.0% (3/3) | 33.3% (1/3) | -46.6% | -12.1% | -57.6% |
Research patterns
- First purchase in 12M
- 1/3
- Large purchase ≥ €100k
- 3/3
- Cluster buying · 15D
- 2/3
- Buying the dip · ≥20% below prior 52W high
- 3/3
- Routine / opportunistic
- Not classifiable
Counts are profile-wide, point-in-time research labels. They never affect the insider score or ranking.
Every completed outcome is shown; n<5 is descriptive small-sample evidence and is not scored. Disclosure-level observations published on the same date may share a return path and may not be statistically independent. These results never affect the insider score or ranking.