MASTEC, INC.
9 disclosures across 9 jurisdictions · 2023-10-27 → 2026-06-09. Severity score: 5 across 2 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 17).
1825-day window · this entity as victim
apparent from filed dates · see trail
of 2 clock verdicts
max per incident · per-filing sum: 17
Sector context · Information
- This entity:
- 0.0% on-time (n=2 clock verdicts)
- Sector cohort:
- 23.4% on-time (n=1,067 clock verdicts)
Cohort: 2,877 filings from 1,306 organisations carrying NAICS 51 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.
- Maine0 on-time · 1 review · 0 late · 1
- Massachusetts0 on-time · 1 late · 1
- Leak gap8 leak preceded filing
us-mt — no notification-clock framework implemented for this jurisdiction
Discovery dates behind these clocks: 2 ag web form · 2 letter-grounded · 3 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.
- Indiana State AG (1)
- Massachusetts State AG (1)
- Maine State AG (1)
- Montana State AG (1)
- Nebraska State AG (1)
- New Hampshire State AG (1)
- South Carolina State AG (1)
- Texas State AG (1)
- Vermont State AG (1)
SEC-registered (CIK 0000015615). SEC cyber filings on record in this corpus: none. Materiality under Item 1.05 is the registrant's own determination; the absence of a filing is a fact about this corpus, not a finding about any obligation.
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-in | 0 | 0 | — |
| us-ma | 0 | 1 | 0% |
| us-me | 0 | 1 | 0% |
| us-ne | 0 | 0 | — |
| us-nh | 0 | 0 | — |
| us-sc | 0 | 0 | — |
| us-tx | 0 | 0 | — |
| us-vt | 0 | 0 | — |
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 |
|---|---|---|---|---|---|
| 2026-06-09 | state_ag | us-tx | High | 25.2K | |
| 2026-06-09 | state_ag | us-ma | Medium | 142state | MA AG >90d |
| 2026-06-05 | state_ag | us-vt | Medium | 8state | |
| 2026-06-05 | state_ag | us-in | Medium | 25.2K | |
| 2026-06-05 | state_ag | us-ne | Low | — | |
| 2026-06-05 | state_ag | us-me | Medium | 25.2K | ME AG >30d· discovery date: ag web form |
| 2026-06-05 | state_ag | us-sc | Low | — | |
| 2026-06-04 | state_ag | us-nh | Medium | 18state | |
| 2023-10-27 | state_ag | us-mt | Medium | 38state |