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US INSIDER PROFILE · NON-SCORING RESEARCH
MERTZ LEONARD POWELL
Director
Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0002028687
Purchase history
- Companies traded
- 1
- Purchases · 12M
- 0
- Purchases · 24M
- 2
- Average purchase
- $150.0K
- Median purchase
- $150.0K
- Gross purchase value
- $300.0K
Companies: Alpha Cognition Inc.
2 SEC accession(s) · 0 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2025-08-20 | Alpha Cognition Inc. | ACOG | Director | $250.0K | Open filing |
| 2024-11-15 | Alpha Cognition Inc. | ACOG | Director | $50.0K | Open filing |
Post-purchase outcomes
Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. 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 | 2Small Sample | 100.0% (2/2) | 100.0% (2/2) | +3.3% | +3.3% | +1.7% |
| 20D | 2Small Sample | 100.0% (2/2) | 50.0% (1/2) | -5.4% | -5.4% | -14.4% |
| 60D | 2Small Sample | 100.0% (2/2) | 50.0% (1/2) | -10.5% | -10.5% | -28.9% |
| 120D | 2Small Sample | 100.0% (2/2) | 50.0% (1/2) | -8.0% | -8.0% | -43.9% |
Research patterns
- First purchase in 12M
- 0/1
- Large purchase ≥ $100k
- 1/2
- Cluster buying · 15D
- 1/2
- Buying the dip
- 0/—
Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.
Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.