SEC 8-KState AGConfirmed6 filings · 5 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 6 filings
The Middlefield Banking Company — April 2023 breach
Clustered 6 filings across 6 jurisdictions · filed Dec 21, 2023. View entity profile → Other incidents for this victim →
⚠ 1 cross-filing discrepancy →Merge100%
incident inc_c65226d9ceba42c2 · merged by deterministic · confidence 100%
Confirmed breach. Merged as one breach: 6 regulatory filings. The filings describe unauthorized access. Intrusion Apr 11, 2023–Apr 12, 2023, discovered Apr 12, 2023 — the first regulatory filing landed 253 days later (flagged late). 310 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Financial account, and 4 more. Each member filing remains the legal record for its jurisdiction.
Litigation Timing
SupplementalNotification delay
253days
Discovered → first regulatory filing
Discovery variance
0days
Range of discovered_at dates across filings
Filing span
0days
Time between earliest and latest filing
Not recorded for this incident
Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster.
Regulatory clocksVermont✗ VT AG >45 bdayCalifornia✗ CA 60-day late · 253dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline
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