← United States · All US Insider Profiles
US INSIDER PROFILE · NON-SCORING RESEARCH
Carson William H.
Director
Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0001824280
Purchase history
- Companies traded
- 1
- Purchases · 12M
- 6
- Purchases · 24M
- 11
- Average purchase
- $22.9K
- Median purchase
- $17.1K
- Gross purchase value
- $251.6K
Companies: Annexon, Inc.
11 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 |
|---|---|---|---|---|---|
| 2026-05-13 | Annexon, Inc. | ANNX | Director | $46.2K | Open filing |
| 2026-04-14 | Annexon, Inc. | ANNX | Director | $49.6K | Open filing |
| 2026-03-12 | Annexon, Inc. | ANNX | Director | $45.4K | Open filing |
| 2026-01-02 | Annexon, Inc. | ANNX | Director | $20.7K | Open filing |
| 2025-12-03 | Annexon, Inc. | ANNX | Director | $18.4K | Open filing |
| 2025-10-31 | Annexon, Inc. | ANNX | Director | $13.0K | Open filing |
| 2025-10-02 | Annexon, Inc. | ANNX | Director | $12.6K | Open filing |
| 2025-09-04 | Annexon, Inc. | ANNX | Director | $8.6K | Open filing |
| 2025-08-01 | Annexon, Inc. | ANNX | Director | $10.0K | Open filing |
| 2025-07-01 | Annexon, Inc. | ANNX | Director | $10.1K | Open filing |
| 2024-12-04 | Annexon, Inc. | ANNX | Director | $17.1K | 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 | 11Developing | 100.0% (11/11) | 63.6% (7/11) | +4.5% | +3.5% | -7.4% |
| 20D | 11Developing | 100.0% (11/11) | 63.6% (7/11) | +5.2% | +7.1% | -19.7% |
| 60D | 11Developing | 100.0% (11/11) | 63.6% (7/11) | +22.7% | +25.6% | -42.8% |
| 120D | 10Developing | 100.0% (10/10) | 70.0% (7/10) | +43.2% | +46.8% | -58.1% |
Research patterns
- First purchase in 12M
- 0/10
- Large purchase ≥ $100k
- 0/11
- Cluster buying · 15D
- 1/11
- Buying the dip
- 8/11
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.