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US INSIDER PROFILE · NON-SCORING RESEARCH
Tananbaum Steven A.
10% Owner
Identity: SEC owner CIK matched through an unambiguous cached owner-name crosswalk · Reporting-owner CIK: 0001435626
Purchase history
- Companies traded
- 3
- Purchases · 12M
- 21
- Purchases · 24M
- 28
- Average purchase
- $13.9M
- Median purchase
- $10.9M
- Gross purchase value
- $388.2M
Companies: GoldenTree Opportunistic Credit Fund | Keenova Therapeutics plc | Mallinckrodt plc | QVC Group, Inc.
28 SEC accession(s) · 28 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2026-10-16 | Keenova Therapeutics plc | NONE | 10% Owner | $12.3M | Open filing |
| 2026-10-14 | QVC Group, Inc. | QVCG | 10% Owner | $16.7M | Open filing |
| 2026-10-06 | Keenova Therapeutics plc | NONE | 10% Owner | $42.1M | Open filing |
| 2026-10-06 | QVC Group, Inc. | QVCG | 10% Owner | $3.5M | Open filing |
| 2026-10-02 | QVC Group, Inc. | QVCG | 10% Owner | $78.7K | Open filing |
| 2026-09-28 | QVC Group, Inc. | QVCG | 10% Owner | $1.1M | Open filing |
| 2026-09-10 | QVC Group, Inc. | QVCG | 10% Owner | $26.0M | Open filing |
| 2026-09-08 | QVC Group, Inc. | QVCG | 10% Owner | $11.8M | Open filing |
| 2026-08-31 | QVC Group, Inc. | QVCG | 10% Owner | $373.1K | Open filing |
| 2026-08-27 | QVC Group, Inc. | QVCG | 10% Owner | $37.4K | Open filing |
| 2026-08-25 | QVC Group, Inc. | QVCG | 10% Owner | $44.0K | Open filing |
| 2026-08-21 | QVC Group, Inc. | QVCG | 10% Owner | $217.2K | Open filing |
| 2026-08-19 | QVC Group, Inc. | QVCG | 10% Owner | $682.1K | Open filing |
| 2026-08-17 | QVC Group, Inc. | QVCG | 10% Owner | $688.9K | Open filing |
| 2026-08-11 | QVC Group, Inc. | QVCG | 10% Owner | $10.0M | Open filing |
| 2026-06-11 | GoldenTree Opportunistic Credit Fund | NONE | 10% Owner | $4.8M | Open filing |
| 2026-05-28 | GoldenTree Opportunistic Credit Fund | NONE | 10% Owner | $12.8M | Open filing |
| 2026-04-28 | GoldenTree Opportunistic Credit Fund | NONE | 10% Owner | $20.0M | Open filing |
| 2026-04-23 | GoldenTree Opportunistic Credit Fund | NONE | 10% Owner | $37.5M | Open filing |
| 2026-02-18 | GoldenTree Opportunistic Credit Fund | NONE | 10% Owner | $10.0M | 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.
No completed point-in-time price outcome is available yet.
Research patterns
- First purchase in 12M
- 2/26
- Large purchase ≥ $100k
- 25/28
- Cluster buying · 15D
- 28/28
- 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.