ISO exclusion · commercial general liability

CG 04 37 Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion

Filings
255
latest Oct 22, 2026
Filing companies
122
44 carrier groups
States
50
including DC
Latest edition
12 25
most filed: 05 14

Coverage description

An Insurance Services Office (ISO) standard form. It replaces the CGL electronic data exclusion so property damage includes loss of electronic data that results from physical injury to tangible property, subject to a separate Loss Of Electronic Data limit within the each occurrence limit.

How the form has changed

3 changes across 1 revision, newest first. Each edition is compared with the one before it, using wording from filed copies.

  1. 12 23 edition

    Dec 2023, compared with 05 14
    • The exclusion no longer addresses access to or disclosure of confidential or personal information, and the bodily injury exception now applies without conditions.

      05 14

      “Any access to or disclosure of any person's or organization's confidential or personal information”

      12 23

      Removed

    • The personal and advertising injury exclusion for access to or disclosure of confidential or personal information is removed.

      05 14

      “"Personal and advertising injury" arising out of any access to or disclosure”

      12 23

      Removed

    • A new exclusion removes coverage for bodily injury or property damage arising out of a cyber incident.

      05 14

      Not in this edition

      12 23

      “"Bodily injury" or "property damage" arising out of a "cyber incident".”

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
12 25Dec 2025Latest621740Jul 2024 to Aug 2026
12 23Dec 2023926747Feb 2023 to Oct 2026
05 14May 20141015930Nov 2021 to Oct 2026

4 other edition dates appear in one or two filings each, often carrier-specific versions: 09 24, 04 13, 12 07, 12 04.

Where filings record what this form replaced, they name earlier editions 12 04, 12 23. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 16 companies filed the 05 14 edition and 12 companies filed 12 23.
  • The newer 12 25 edition first appears Jul 12, 2024 and has been filed by 17 companies in 40 states so far.
  • CG 21 06 (Exclusion - Access or Disclosure of Confidential or Personal Information and Data-Related Liability - with Limited Bodily Injury Exception) is filed alongside it most often, in 239 of the same filings (94%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings. One filing can cover several affiliated companies.

Carriers filing this form

The 10 carrier groups with the most filings that include CG 04 37, out of 44 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Insurance Services Office, Inc.Advisory Organization804312 2312 25Apr 9, 2025
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company342405 1412 25Aug 26, 2026
Nationwide Corporation Group11 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company211212 2305 14Feb 12, 2025
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation171705 1412 23Jan 15, 2026
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company10405 1412 04Oct 22, 2026
Church Mutual GroupChurch Mutual Insurance Company, S.I.7305 1412 23Jun 26, 2026
Siriuspoint GroupSiriusPoint America Insurance Company7205 1412 25Jun 15, 2026
CNA Insurance Group6 group companies filed it, led by American Casualty Company of Reading, Pennsylvania and Continental Casualty Company5312 23Oct 6, 2026
Sompo GroupSompo America Insurance Company5112 2305 14Jun 18, 2026
Southern Trust Insurance Company5312 23Jun 24, 2026

How the largest insurers handle CG 04 37

Groups among the largest commercial general liability insurers that filed CG 04 37 or their own version in the past five years.

See more forms

Search related forms, compare editions, and research carrier filings with FilingFocus.

States

Number of filings that include CG 04 37 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 6 filingsTN6Alabama: 2 filingsAL2Florida: 0 filingsFLGeorgia: 5 filingsGA5Oklahoma: 3 filingsOK3South Carolina: 11 filingsSC11Arkansas: 5 filingsAR5Missouri: 4 filingsMO4Indiana: 3 filingsIN3Louisiana: 4 filingsLA4Ohio: 1 filingOH1Wisconsin: 2 filingsWI2Texas: 4 filingsTX4Kentucky: 4 filingsKY4Iowa: 3 filingsIA3Kansas: 5 filingsKS5Mississippi: 2 filingsMS2North Carolina: 2 filingsNC2Nebraska: 3 filingsNE3South Dakota: 1 filingSD1Montana: 3 filingsMT3New Hampshire: 2 filingsNH2Virginia: 6 filingsVA6Arizona: 2 filingsAZ2Pennsylvania: 3 filingsPA3Rhode Island: 4 filingsRI4Michigan: 2 filingsMI2Alaska: 1 filingAK1District of Columbia: 2 filingsDC2Idaho: 5 filingsID5Maryland: 5 filingsMD5West Virginia: 2 filingsWV2Utah: 4 filingsUT4Wyoming: 7 filingsWY7Delaware: 1 filingDE1New Mexico: 7 filingsNM7Colorado: 45 filingsCO45Connecticut: 4 filingsCT4Maine: 2 filingsME2North Dakota: 2 filingsND2Illinois: 11 filingsIL11Minnesota: 1 filingMN1New Jersey: 1 filingNJ1New York: 3 filingsNY3Massachusetts: 2 filingsMA2Washington: 11 filingsWA11Oregon: 5 filingsOR5Vermont: 4 filingsVT4California: 31 filingsCA31Nevada: 5 filingsNV5Hawaii: 2 filingsHI2
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CG 21 06Exclusion - Access or Disclosure of Confidential or Personal Information and Data-Related Liability - with Limited Bodily Injury Exception239 filings
  • CG 21 08Exclusion - Access or Disclosure of Confidential or Personal Information (Coverage B Only)217 filings
  • CG 21 66Exclusion - Volunteer Workers as Insureds172 filings
  • CG 04 71Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception167 filings
  • CG 21 37Exclusion - Employees and Volunteer Workers as Insureds163 filings
  • CG 33 53Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information162 filings
  • CG 22 69Pharmacists161 filings
  • CG 24 09Governmental Subdivisions157 filings
  • CG 33 63Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information157 filings
  • CG 22 97Pharmacists – Broadened Professional Services Coverage155 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Oct 22, 2026State National Insurance Company, Inc.CO05 14STNA-135128706
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 23CNAB-135091690
Aug 26, 2026The Cincinnati Casualty Companyand 2 moreNV12 25CNNA-134980601
Aug 26, 2026The Cincinnati Casualty Companyand 2 moreID12 25CNNA-134992231
Jun 30, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCO12 23CNAB-135005337
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 23CHMU-134947220
Jun 24, 2026Southern Trust Insurance CompanyGA12 23STTR-134864949
Jun 19, 2026Berkley Casualty Companyand 8 moreCO05 14BNIC-134992815
Jun 18, 2026Sompo America Insurance CompanyCO12 23SMPJ-134985965
Jun 17, 2026Atlantic Specialty Insurance CompanyNM12 2512 2305 14BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO05 14MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO05 14MRTN-134978902

Most filed ISO CG forms

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