TOCQUEVILLE ASSET MANAGEMENT L.P. — January 2024 breach

Clustered 5 filings across 5 jurisdictions · filing window Nov 13, 2025 → Nov 18, 2025 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

5 filings

States

Affected · reported

3,133

First → last dated filing

Nov 13, 2025 → Nov 18, 2025

Merge confidence

100%

incident inc_a3c881528be647be · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings. The filing describes unauthorized access. Intrusion Jan 5, 2024–Feb 18, 2024, discovered Feb 18, 2024 — the first regulatory filing landed 634 days later. 3,133 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Financial account. Notifications rolled out on a 5-day schedule across 4 dated filings beginning Nov 13, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

634days

Discovered → first regulatory filing

Filing span

5days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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