Hartford Fire & CAS Group: Workers Compensation Forms
| Form | Title | Type | Edition | States |
|---|---|---|---|---|
| EX WC 9900 27 | Specific and Aggregate Excess Workers’ Compensation and Employer’s Liability Insurance Policy | Coverage form | - | 8 |
| WC 99 0675 | Consolidated Insurance (Wrap-Up) Program Supplemental Declarations Program | Declarations | 01 20 | 2 |
| WC 99 0001 K | Signature/Copyright | Endorsement | 01/14/2023 | 39 |
| WC 99 0277 C | Workers' Compensation and Employer's Liability Participating Provisions | Endorsement | 06 22 | 34 |
| EX WC 9900 69 | Specific and Aggregate Excess Workers’ Compensation and Employer’s Liability Insurance Policy Catastrophe (Other Than Certified Acts Of Terrorism) Premium Endorsement | Endorsement | 03 24 | 32 |
148 more forms
See more formsHartford Fire & CAS Group workers compensation filing activity
Nov 14, 2025 to Nov 13, 2026. These figures cover only Hartford Fire & CAS Group's workers compensation filings. The form inventory above covers the past five years.
- Filings
- 88
- 106 in the previous 365 days
- Change in filings
- -17.0%
- Compared with the previous 365 days
- States
- 31
- With filings in this period
- Companies filing
- 8
- Within this carrier group
- Avg. reported rate impact
- -2.3%
- 18 filings reporting a nonzero impact
flow
Tracked Filing Volume
where filings move
State Activity
rate impact
Reported Rate Impact
Filings
18
Companies
6
Avg Impact
-2.3%
Max Increase
+5.5%
Max Decrease
-12.2%
Reported rate impact by state
-12.2% to -5.2%-5.2% to -2.1%-2.1% to +1.1%+1.1% to +5.5%
Rate impact filingsShowing up to 18 filings
08/17/26Hartford Insurance Company of the MidwestCAWC 1/1/27 Rate FilingRate/Rule+5.5%+67.6%
04/23/26Twin City Fire Insurance CompanyARWC AR 7/1/2026 RATE FILINGRate/Rule+3.8%+32.5%
10/23/26Property and Casualty Insurance Company of HartfordKSWC 1/1/2027 Rate FilingRate/Rule+1.7%+28.6%
12/04/25Twin City Fire Insurance CompanyMOWC 7/1/2026 Rate FilingRate/Rule+1.2%+23.0%
01/23/26Twin City Fire Insurance CompanyVAWC 4/1/2026 Rate FilingRate/Rule+1.1%+19.1%
09/21/26Sentinel Insurance Company, Ltd.MDWC MD 1/27 Rate ChangeRate/Rule-1.2%+25.4%
01/29/26Twin City Fire Insurance CompanySCWC 4/1/2026 Rate FilingRate/Rule-1.2%+15.2%
01/07/26Twin City Fire Insurance CompanyMSWC 5/1/26 Rate Filing and R-1424Rate/Rule-1.9%+21.8%
10/09/26Twin City Fire Insurance CompanyUTUT WC 2/1/2027 Rate FilingRate/Rule-2.1%+24.9%
01/13/26Hartford Underwriters Insurance CompanyTNWC 3/1/26 Rate FilingRate/Rule-2.1%+20.2%
04/29/26Trumbull Insurance CompanyRIWC 8/1/2026 Rate FilingRate/Rule-2.4%+14.5%
09/24/26Twin City Fire Insurance CompanyMIWorkers' Comp & Employers' Liab 2027 Rate ChangeRate/Rule-2.8%+52.3%
03/31/26Hartford Insurance Company of the MidwestTXWC 2026 Annual Rate ChangeRate/Rule-4.0%+15.9%
12/08/25Twin City Fire Insurance CompanyOKWC Delay Of 1/1/2026 Loss Costs and Item Filing R-1424Rate/Rule-5.2%+15.9%
11/24/25Twin City Fire Insurance CompanyDEWC 3/1/26 Rate FilingRate/Rule-5.6%+20.3%
11/19/25Hartford Underwriters Insurance CompanyHIWC 2/1/26 RATE FILINGRate/Rule-5.9%+11.1%
12/22/25Twin City Fire Insurance CompanyGAWC 4/1/2026 Rate FilingRate/Rule-8.3%+6.0%
11/20/25Sentinel Insurance Company, Ltd.NMNew Mexico 3/1/2026 WC Rate FilingRate/Rule-12.2%+2.9%
Reported impacts are filing-level figures, not an individual policyholder's premium change. The average is unweighted and excludes missing and zero values. Withdrawn and rejected filings are excluded. Each SERFF tracking number is counted once.
Workers Compensation product types
Product classifications reported in this period's filings.
| Product type | Filings | States |
|---|---|---|
| Standard WC | 50 | 29 |
| Alternative WC | 33 | 2 |
| Excess WC | 5 | 4 |
Companies filing in this period
Workers Compensation submissions by underwriting company.
| Company | Filings | States |
|---|---|---|
| Twin City Fire Insurance Company | 31 | 22 |
| Property and Casualty Insurance Company of Hartford | 24 | 3 |
| Hartford Casualty Insurance Company | 14 | 7 |
| Hartford Underwriters Insurance Company | 7 | 4 |
| Hartford Insurance Company of the Midwest | 5 | 4 |
| Sentinel Insurance Company, Ltd. | 4 | 4 |
| Hartford Fire Insurance Company | 2 | 2 |
| Trumbull Insurance Company | 1 | 1 |
Recent products and programs filed
The 10 most recently filed product/program names, as reported in filings. Names can include internal program codes and do not establish current product availability.
| Filed product/program | Filings | States | Latest filing |
|---|---|---|---|
| Excess WC Rating Plan | 1 | 1 | Nov 10, 2026 |
| Workers' Compensation and Employer's Liability Insurance | 1 | 1 | Nov 4, 2026 |
| WC 1/27 Deviation Renewal | 4 | 1 | Oct 28, 2026 |
| WC 1/1/2027 Rate Filing | 1 | 1 | Oct 23, 2026 |
| Large Risk Alternative Rating Option (LRARO) - PCIC | 21 | 1 | Oct 22, 2026 |
| NCCI Item R-1425 | 1 | 1 | Oct 22, 2026 |
| WC Adoption NCCI Item R-1425 | 1 | 1 | Oct 22, 2026 |
| Individually-Rated Workers' Compensation Policies with Large Deductibles - Filed for Informational Purposes Only | 12 | 1 | Oct 13, 2026 |
| UT WC 2/1/2027 Rate Filing | 1 | 1 | Oct 9, 2026 |
| Workers' Comp & Employers' Liab 2027 Rate Change | 1 | 1 | Sep 24, 2026 |
Companies filing
The Hartford Fire & CAS Group companies with the most workers compensation filings in the past five years.
- Hartford Casualty Insurance Company505 filings · 49 states
- Property and Casualty Insurance Company of Hartford422 filings · 44 states
- Hartford Underwriters Insurance Company398 filings · 48 states
- + 11 more companies
NCCI forms used
The NCCI forms in the most Hartford Fire & CAS Group filings.
| Form | Title | Hartford Fire & CAS Group filings |
|---|---|---|
| WC 00 00 01 | Information Page | 3 |
| WC 00 00 00 | Workers Compensation and Employers Liability Insurance Policy | 1 |
| WC 00 01 06 | Longshore and Harbor Workers' Compensation Act Coverage Endorsement | 1 |
| WC 00 01 16 | Notification Endorsement of Pending Law Change to Terrorism Risk Insurance Program Reauthorization Act of 2019 | 1 |
| WC 00 03 13 | Waiver of Our Right to Recover From Others Endorsement | 1 |
| WC 00 03 21 | Professional Employer Organization (PEO) Exclusion Endorsement | 1 |
| WC 00 03 22 | Professional Employer Organization (PEO) Client Exclusion Endorsement | 1 |
| WC 00 04 21 | Catastrophe (Other Than Certified Acts of Terrorism) Premium Endorsement | 1 |
Related insurance research
Filing research
Workers Compensation forms
Form types
Related lines of business
Forms are active forms on Hartford Fire & CAS Group workers compensation filings submitted in the past five years, excluding withdrawn and rejected filings, grouped by form number.