Dubner Derek

2 filings 1 distinct issuers Active 2026-06-01 → 2026-06-01

Track Record

Total filings

1 SCHEDULE 13D/A · 1 SCHEDULE 13D

Distinct issuers

50% issuer diversity

Median stake

3.7%

510,420 avg shares

AI briefs cached

0/2

intent-classified filings

Backtested Performance · post-filing returns (split + dividend adjusted)

Median 30d

0.0%

across 2 filings · win rate 0%

Median 60d

—

across 0 filings · win rate —

Median 90d

—

across 0 filings · win rate —

Median 1y

—

across 0 filings · win rate —

Anchor: closest trading day on/after filing's date_of_event. Source: Yahoo Finance daily adj_close. Past performance is not indicative of future results.

Filings · 2 total

Filed	Form	Issuer	Stake	Shares	Intent
2026-06-01	SCHEDULE 13D/A	Red Violet, Inc.RDVT	—	504,420		view →
2026-06-01	SCHEDULE 13D	Red Violet, Inc.RDVT	3.70%	516,420		view →

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