Sellmark Corporation
ent_a766552b1dadf8b1
Disclosures
6
State AG · 6 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
1,408
nationwide · State AG TX
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Sellmark Corporation
- Normalized
- sellmark— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (6)newest first
- Texas State AGas victim2025-09-12
Sellmark Corporation based in Mansfield, Texas, a business – retail or merchant entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-04-14 and reported on 2025-09-12. 1,205 Texas residents were affected. 1,408 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Medical Information;Health Insurance Information. Consumers were notified via Notice by publication in print media;Posted at company website or special website;U.S. Mail.
- Nebraska State AGas victim2025-09-11
Sellmark Corporation experienced unauthorized access to its computer network, resulting in the exfiltration of one Nebraska resident's name and payment card information. The incident was discovered on August 14, 2025, and notification was mailed on September 11, 2025. Sellmark engaged a cybersecurity firm, reported the incident to the FBI, and implemented additional security measures.
- Maine State AGas victim2025-09-11
Sellmark Corporation experienced an external system breach (hacking) between March 10 and April 14, 2025. The incident was discovered on August 14, 2025. Unauthorized access resulted in the exfiltration of personal information, including names and payment card data, affecting 1,408 individuals total (1 Maine resident). Notification was sent on September 11, 2025.
- Indiana State AGas victim2025-09-11
Sellmark Corporation reported a data breach to the Indiana Attorney General. The breach occurred on 2025-03-10 and was reported on 2025-09-11. 2 Indiana residents were affected.
- Massachusetts State AGas victim2025-09-11
Sellmark Corporation reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-09-11. 7 Massachusetts residents were affected.
- New Hampshire State AGas victim2025-09-11
Sellmark Corporation notified the New Hampshire Attorney General of a cybersecurity incident involving unauthorized access to its network between March 10 and April 14, 2025. The breach affected four New Hampshire residents, exposing names, Social Security numbers, driver's license numbers, and financial account information. Sellmark secured its systems, engaged a cybersecurity firm, reported to law enforcement, and mailed notifications on September 11, 2025, offering one year of credit monitoring.