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US INSIDER PROFILE · NON-SCORING RESEARCH
STAHL MURRAY
10% Owner | Chief Executive Officer | Director | President
Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0001207097
Purchase history
- Companies traded
- 4
- Purchases · 12M
- 140
- Purchases · 24M
- 546
- Average purchase
- $7.9K
- Median purchase
- $2.6K
- Gross purchase value
- $4.3M
Companies: Horizon Kinetics Holding Corp | MIAMI INTERNATIONAL HOLDINGS, INC. | RENN Fund, Inc. | Texas Pacific Land Corp
546 SEC accession(s) · 165 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2026-04-09 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-04-07 | RENN Fund, Inc. | RCG | President | $2.9K | Open filing |
| 2026-04-06 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-04-02 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-31 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-30 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-27 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-03-26 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-03-25 | RENN Fund, Inc. | RCG | President | $3.4K | Open filing |
| 2026-03-24 | Horizon Kinetics Holding Corp | HKHC | Chief Executive Officer | $1.8K | Open filing |
| 2026-03-24 | Horizon Kinetics Holding Corp | HKHC | Chief Executive Officer | $1.8K | Open filing |
| 2026-03-24 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-03-23 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-03-20 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-20 | Horizon Kinetics Holding Corp | HKHC | Chief Executive Officer | $3.0K | Open filing |
| 2026-03-19 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-19 | RENN Fund, Inc. | RCG | President | $3.0K | Open filing |
| 2026-03-19 | Horizon Kinetics Holding Corp | HKHC | Chief Executive Officer | $918 | Open filing |
| 2026-03-18 | RENN Fund, Inc. | RCG | President | $3.1K | Open filing |
| 2026-03-17 | RENN Fund, Inc. | RCG | President | $2.9K | 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 | 65Established | 11.9% (65/546) | 52.3% (34/65) | +0.3% | +0.8% | -8.7% |
| 20D | 65Established | 11.9% (65/546) | 13.8% (9/65) | -8.1% | -8.9% | -34.7% |
| 60D | 65Established | 11.9% (65/546) | 29.2% (19/65) | -15.4% | -10.9% | -38.3% |
| 120D | 65Established | 11.9% (65/546) | 18.5% (12/65) | -17.6% | -20.0% | -57.8% |
Research patterns
- First purchase in 12M
- 0/542
- Large purchase ≥ $100k
- 4/546
- Cluster buying · 15D
- 266/546
- Buying the dip
- 65/65
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.