Latest / Federal (SEC) / November 2025

Oncology Institute, Inc.

Oncology Institute, Inc. notified SEC Form 8-K on Nov 6, 2025 of a data breach, which occurred on Nov 3, 2025. Data exposed: Medical / health information.

All 2 filings by Oncology Institute, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Oncology Institute, Inc.
Source
SEC Form 8-K · source record
Date reported
Nov 6, 2025
Date(s) of breach
November 3, 2025
Residents affected
Not published by this source
Data exposed
Medical / health information
Notice letter
Form 8-K filing
Discovered
Nov 3, 2025, as stated in the letter
"On November 3, 2025, The Oncology Institute, Inc. (the “Company”) determined that a cybersecurity incident affecting an information technology software provider would potentially delay fee-for-service collections."
Days to notice
3 days from discovery (Nov 3, 2025) to the Federal (SEC) record (Nov 6, 2025).
First seen by BreachTally
2026-11-12 23:17 UTC
Ticker
TOI

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 23:17 UTC on Nov 12, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.

Item 7.01 excerpt

Item 7.01. Regulation FD Disclosure. On November 3, 2025, The Oncology Institute, Inc. (the “Company”) determined that a cybersecurity incident affecting an information technology software provider would potentially delay fee-for-service collections. Based on the Company's current assessment, this incident is expected to result in a brief immaterial delay in the collection of some claims in the Company's fee-for-service segment. To date, the software provider has not indicated to the Company that there is any evidence that any patient personal information was compromised as a result of this incident, and an investigation remains ongoing. The Company is collaborating closely with the software provider to mitigate the effects and restore normal billing operations as quickly as possible. The information contained in this

Other filings by Oncology Institute, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Oncology Institute, Inc.
Item 1.05 Material Cybersecurity Incidents. The Oncology Institute, Inc. (the “Company”) is providing this disclosure, as a follow-up to its...
SEC Form 8-K US May 22, 2026 Not published In the letter (PDF)

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.