2021-10-27 MARTEN TRANSPORT LTD Cybersecurity Incident

Page last updated on April 11, 2024

MARTEN TRANSPORT LTD initially disclosed a cybersecurity incident in an SEC 8-K filing on 2021-10-27 16:03:28 EDT.

Incident Details

Material: Unknown
Is Breach: Unknown
Records Compromised: Unknown
Data Types Impacted: No Data Types Tracked (yet)

Compromised Date:
Detected Date: 2021-10-03
Disclosure Date: 2021-10-27
Contained Date:
Recovered Date:

Attack Goal: Unknown

Costs: No Costs Tracked (yet)


8-K filed on 2021-10-27

MARTEN TRANSPORT LTD filed an 8-K at 2021-10-27 16:03:28 EDT
Accession Number: 0001437749-21-024381

Item 8.01 Other Events.

On October 3, 2021, Marten Transport, Ltd. (the “Company”) detected a cyberattack that accessed and encrypted files on servers utilized by the Company in the provision of its business. The unauthorized access also included the download of certain data files.

Promptly upon discovery of the incident, the Company launched an investigation and engaged legal counsel and industry-leading incident response professionals. The Company has notified law enforcement and will provide any notices that may be required by applicable law. While the investigation of the incident is ongoing, the Company has implemented a series of containment and remediation measures to address this situation and reinforce the security of its information technology systems. As a result, the Company was able to restore full functionality to its information technology systems quickly with minimal disruptions to its operations.

Based on its preliminary assessment and on the information currently known, the Company does not believe the incident will have a material impact on its business, operations or financial results. Nonetheless, the investigation indicates that certain employee data may have been at risk during the event and, out of an abundance of caution, the Company is offering its employees with credit monitoring and identity restoration services at no cost for two years.

Company Information

SIC DescriptionTrucking (No Local)
TickerMRTN - Nasdaq
CategoryLarge accelerated filer
Fiscal Year EndDecember 30