Main Street Bank
114 disclosures across 1 jurisdictions · 2021-09-23 → 2026-09-01. Severity score: 80 across 78 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 116).
1825-day window · this entity as victim
apparent from filed dates · see trail
of 4 clock verdicts
max per incident · per-filing sum: 116
Sector context · Finance
- This entity:
- 25.0% on-time (n=4 clock verdicts)
- Sector cohort:
- 25.6% on-time (n=2,333 clock verdicts)
Cohort: 6,590 filings from 2,125 organisations carrying NAICS 52 on the filing itself, same 1825-day window; merged entities counted once. Both percentages count clock verdicts through the same registry — a filing with no evaluable clock is excluded from both rather than counted as on time.
Compliance timing by regulator
Notice timing computed from the dates recorded in each filing — an indicative estimate from an automated clock, not a legal determination. Click any chip for this entity's source filings.
- Massachusetts1 on-time · 1 review · 2 late · 1 informational · 5
Discovery dates behind these clocks: 1 notification date · 1 occurrence date · 2 unattributed. Only a date the notification letter itself states is fully defensible; a date derived from another field makes the verdict indicative.
Regulators holding filings from this entity
Every regulator that has received a visible filing naming this entity, all time — filings first.
- Massachusetts State AG (348)
Breach History (5-Year Lookback)
Historical incident recurrence, cumulative exposure, and per-jurisdiction compliance record
within lookback window
late notice filings
median days between incidents
Per-jurisdiction compliance record
| Jurisdiction | On-time | Late | Rate |
|---|---|---|---|
| us-ma | 1 | 3 | 25% |
Cumulative data type exposure
Disclosure timeline
Most-recent 100 filings. Click a row to open the disclosure detail.
| Filed | Source | Jurisdiction | Severity | Affected | Clocks missed |
|---|---|---|---|---|---|
| 2026-09-01 | state_ag | us-ma | Low | — | |
| 2026-08-13 | state_ag | us-ma | Low | 1state | |
| 2026-07-23 | state_ag | us-ma | Low | — | |
| 2026-06-16 | state_ag | us-ma | Low | — | |
| 2026-06-12 | state_ag | us-ma | Low | — | MA AG >90d· discovery date: unattributed |
| 2026-06-08 | state_ag | us-ma | Low | 1state | MA AG >30d· discovery date: unattributed |
| 2026-06-01 | state_ag | us-ma | Low | — | MA AG >90d· discovery date: occurrence date |
| 2025-12-23 | state_ag | us-ma | Low | 1state | |
| 2025-12-19 | state_ag | us-ma | Low | 1state | |
| 2025-12-19 | state_ag | us-ma | Low | 1state | |
| 2025-10-31 | state_ag | us-ma | Low | 1state | |
| 2025-10-08 | state_ag | us-ma | Low | 2state | |
| 2025-10-03 | state_ag | us-ma | Low | 2state | |
| 2025-09-26 | state_ag | us-ma | Low | 2state | |
| 2025-09-16 | state_ag | us-ma | Low | 2state | |
| 2025-09-12 | state_ag | us-ma | Low | 2state | |
| 2025-07-31 | state_ag | us-ma | Low | 2state | |
| 2025-06-26 | state_ag | us-ma | Low | 2state | |
| 2025-06-24 | state_ag | us-ma | Low | 1state | |
| 2025-05-30 | state_ag | us-ma | Low | 3state | |
| 2025-05-19 | state_ag | us-ma | Low | 1state | |
| 2025-05-13 | state_ag | us-ma | Low | 1state | |
| 2025-05-13 | state_ag | us-ma | Low | 1state | |
| 2025-04-29 | state_ag | us-ma | Low | 1state | |
| 2025-04-22 | state_ag | us-ma | Low | 1state | |
| 2025-04-14 | state_ag | us-ma | Low | 1state | |
| 2025-03-28 | state_ag | us-ma | Low | 1state | |
| 2025-03-21 | state_ag | us-ma | Low | 1state | |
| 2025-03-05 | state_ag | us-ma | Low | 2state | |
| 2025-03-05 | state_ag | us-ma | Low | 1state | |
| 2025-01-30 | state_ag | us-ma | Low | 4state | |
| 2025-01-30 | state_ag | us-ma | Low | 1state | |
| 2025-01-30 | state_ag | us-ma | Low | 1state | |
| 2025-01-30 | state_ag | us-ma | Low | 3state | |
| 2025-01-30 | state_ag | us-ma | Low | 1state | |
| 2024-12-03 | state_ag | us-ma | Low | 2state | |
| 2024-11-18 | state_ag | us-ma | Low | 1state | |
| 2024-11-08 | state_ag | us-ma | Low | 1state | |
| 2024-11-05 | state_ag | us-ma | Low | 10state | |
| 2024-11-05 | state_ag | us-ma | Low | 1state | |
| 2024-11-05 | state_ag | us-ma | Low | 2state | |
| 2024-10-22 | state_ag | us-ma | Low | 1state | |
| 2024-09-25 | state_ag | us-ma | Low | 1state | |
| 2024-08-05 | state_ag | us-ma | Low | 32state | |
| 2024-08-01 | state_ag | us-ma | Low | 2state | |
| 2024-06-04 | state_ag | us-ma | Low | 3state | |
| 2024-04-16 | state_ag | us-ma | Low | — | |
| 2024-04-02 | state_ag | us-ma | Low | 1state | |
| 2024-03-28 | state_ag | us-ma | Low | 1state | |
| 2024-03-28 | state_ag | us-ma | Low | 1state | |
| 2024-03-25 | state_ag | us-ma | Low | 2state | |
| 2024-03-25 | state_ag | us-ma | Low | 2state | |
| 2024-03-18 | state_ag | us-ma | Low | 2state | |
| 2024-03-12 | state_ag | us-ma | Low | 1state | |
| 2024-03-06 | state_ag | us-ma | Low | 1state | |
| 2024-02-15 | state_ag | us-ma | Low | 1state | |
| 2024-02-15 | state_ag | us-ma | Low | 1state | |
| 2023-11-29 | state_ag | us-ma | Low | 1state | |
| 2023-10-25 | state_ag | us-ma | Low | 3state | |
| 2023-10-25 | state_ag | us-ma | Low | 1state | |
| 2023-10-23 | state_ag | us-ma | Low | 1state | |
| 2023-10-02 | state_ag | us-ma | Low | 1state | |
| 2023-09-25 | state_ag | us-ma | Low | 1state | |
| 2023-08-15 | state_ag | us-ma | Low | 1state | |
| 2023-08-11 | state_ag | us-ma | Low | 3state | |
| 2023-07-27 | state_ag | us-ma | Medium | 3state | |
| 2023-07-18 | state_ag | us-ma | Low | 1state | |
| 2023-07-11 | state_ag | us-ma | Low | 1state | |
| 2023-07-03 | state_ag | us-ma | Low | 2state | |
| 2023-06-21 | state_ag | us-ma | Low | 4state | |
| 2023-06-21 | state_ag | us-ma | Low | 1state | |
| 2023-05-02 | state_ag | us-ma | Low | 1state | |
| 2023-05-02 | state_ag | us-ma | Low | 3state | |
| 2023-04-14 | state_ag | us-ma | Low | 1state | |
| 2023-04-14 | state_ag | us-ma | Low | 3state | |
| 2023-04-11 | state_ag | us-ma | Low | 1state | |
| 2023-03-01 | state_ag | us-ma | Low | 1state | |
| 2023-03-01 | state_ag | us-ma | Low | 1state | |
| 2023-02-17 | state_ag | us-ma | Low | 1state | |
| 2023-02-14 | state_ag | us-ma | Low | 1state | |
| 2023-02-06 | state_ag | us-ma | Low | 1state | |
| 2023-01-31 | state_ag | us-ma | Low | 1state | |
| 2022-12-29 | state_ag | us-ma | Low | 1state | |
| 2022-12-29 | state_ag | us-ma | Low | 1state | |
| 2022-11-14 | state_ag | us-ma | Low | 1state | |
| 2022-09-20 | state_ag | us-ma | Low | 1state | |
| 2022-09-06 | state_ag | us-ma | Low | 2state | |
| 2022-08-29 | state_ag | us-ma | Low | 1state | |
| 2022-07-25 | state_ag | us-ma | Low | 1state | |
| 2022-07-25 | state_ag | us-ma | Low | 1state | |
| 2022-07-20 | state_ag | us-ma | Low | 3state | |
| 2022-07-13 | state_ag | us-ma | Low | 2state | |
| 2022-07-06 | state_ag | us-ma | Low | 3state | |
| 2022-06-16 | state_ag | us-ma | Low | 1state | |
| 2022-05-02 | state_ag | us-ma | Low | 2state | |
| 2022-04-27 | state_ag | us-ma | Low | 1state | |
| 2022-04-25 | state_ag | us-ma | Low | 3state | |
| 2022-04-25 | state_ag | us-ma | Low | 3state | |
| 2022-04-19 | state_ag | us-ma | Low | 14state | |
| 2022-04-19 | state_ag | us-ma | Low | 1state |