FEDERALItem 1.05 · mandatoryHackingHealthcareHealthcareDelayed DiscoveryPHIHealth (basic)PIILowActive

Park Dental Partners, Inc.

bd_beae932c49e16b30 · schema v1 · pii pii-v2

Severity

Low

Discovered

Aug 28, 2026

Filed

Sep 1, 2026

To disclose

4 days

Affected

Not disclosed

Linked

3 records

Confidence

68%

Full breach record for Park Dental Partners, Inc. →2 incidents on file

Park Dental Partners, Inc. (CIK 0002069604) filed an 8-K on August 28, 2026, disclosing unauthorized access to its computer network. The company engaged external forensic specialists and initiated incident response protocols. The scope of compromised personal and protected health information is still being investigated. The incident has not materially disrupted operations, but patient data access is treated as reportable.

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SEC clockMateriality determined Aug 28, 2026 → Filed Sep 1, 20264d ✓ SEC 4-day OK4 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 5 days

Aug 28, 2026

Discovered

Sep 1, 2026

Filed

vs. sector median

8 wks faster

This filing is one of 3 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitechaosbd_484c7d0e9748094a2026-10-01 · +29dVerified

Regulatory filings (1) · sorted by filing gap

SEC 8-Kbd_173d9139c0a5fd6f2026-10-13 · +42dVerified by operator

Name: Park Dental Partners, Inc.
norm: park dental
SEC CIK: 0002069604
Domain: parkdental.com

Name: Park Dental Partners, Inc.
norm: park dental
SEC CIK: 0002069604
Domain: parkdental.com
Industry: Healthcarellm

Discovered: Aug 28, 2026
Materiality determined: Aug 28, 2026
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIHealth (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Initiated its incident response protocols
Engaged its external cybersecurity and forensic specialists
Changes made: Providing recurring cybersecurity awareness training and testing for all employees
Maintains a cybersecurity risk-management program designed to assess, identify, and manage material risks arising from cybersecurity threats
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 days(4 days from discovery to filing)
Compliance flags: SEC 4-day OK · 4d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
SEC
Materiality determined: Aug 28, 2026
→ Filed: Sep 1, 2026
4d cal. 4 business days SEC 4-day OK

Statute	Window	Elapsed	Threshold	Status
SEC	Materiality determined: Aug 28, 2026 → Filed: Sep 1, 2026	4d cal.	4 business days	SEC 4-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

SEC 8-KSep 1 · first · this page

SEC 8-K+42d

Pattern: first filing Sep 1, last Oct 13 — a 42-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/2069604/000110465926104300/park-20260828x8k.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Sep 1, 2026
Raw hash: 6ef0956ce4beb84eae9353a9e83a85724e5fa7530a3b93de1981ab71491cc3cb

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Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityPark Dental Partners, Inc.

Victim entityPark Dental Partners, Inc.

Incidentdiscovered Aug 28, 2026

Stated responseInitiated its incident response protocols

ComplianceSEC 4-day OK

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing