Insurance carrier
Plymouth Rock Insurance Group
Currently ranked #277 by filing activity. Activity below is based on admitted P&C product filings from Aug 19, 2025 to Aug 19, 2026.
Rank
#277
Top 500 carrier
Filings
57
08/19/25 to 08/19/26
Companies
10
States
6
State footprint
Latest
Jul 27, 2026
Avg rate increase +8.0%
flow
Tracked Filing Volume
where filings move
State Activity
rate impact
Reported Rate Impact
Filings
14
Companies
5
Avg Impact
+8.0%
Max Increase
+18.2%
Reported rate impact by state
+0.1% to +2.0%+2.0% to +3.0%+3.0% to +10.2%+10.2% to +18.2%
Rate impact filingsShowing up to 14 filings
10/07/25Plymouth Rock Assurance CorporationCTPRAC CT Commercial AutoRate/Rule+18.2%+27.0%
04/14/26Mt. Washington Assurance CorporationNHPersonal Umbrella LiabilityRate/Rule+18.1%+29.5%
04/14/26Plymouth Rock Assurance CorporationCTPersonal Umbrella LiabilityRate/Rule+18.0%+28.0%
04/28/26Bunker Hill Insurance CompanyMAPersonal Umbrella LiabilityRate/Rule+17.9%+26.8%
09/16/25Bunker Hill Insurance CompanyCTConnecticut Renters Condo 2025Rate/Rule+10.9%+40.7%
02/27/26Bunker Hill Insurance CompanyCTConnecticut HO3 2026Rate/Rule+9.9%+33.1%
02/05/26Plymouth Rock Assurance CorporationMAMA Voluntary Commercial AutoRate/Rule+3.8%+4.3%
02/05/26Pilgrim Insurance CompanyMAMA Voluntary Commercial AutoRate/Rule+3.8%+4.3%
05/28/26Plymouth Rock Assurance CorporationCTPrivate Passenger AutoRate/Rule+3.3%+1.2%
06/01/26Plymouth Rock Assurance Preferred CorporationPAPA Personal AutoRate/Rule+3.0%+8.8%
05/22/26Plymouth Rock Assurance CorporationMAMA PPARate/Rule+2.0%+8.9%
06/12/26Mt. Washington Assurance CorporationNHPrimeRate/Rule+1.5%+4.4%
12/05/25Plymouth Rock Assurance CorporationCTPrivate Passenger AutoRate/Rule+1.1%+5.5%
06/08/26Mt. Washington Assurance CorporationNHNH DeductiblesRate/Rule+0.1%+4.9%
product mix by company
Top 5 companies
Plymouth Rock Assurance Corporation15 filings
Private Passenger Auto6
MA PPA4
MA Voluntary Commercial Auto1
PRAC 2026 Personal Auto Group Renewal Filing1
PRAC CT Commercial Auto1
Plymouth Rock Assurance Preferred Corporation10 filings
PA Personal Auto6
Prime 32
Illinois Insurance Supplier Diversity Report1
PRAPC & PRACNY1
Bunker Hill Insurance Company9 filings
Personal Umbrella Liability2
CT Home Renovation Discount1
Connecticut HO3 20261
Connecticut Renters Condo 20251
Flood Insurance Notice1
Mt. Washington Assurance Corporation6 filings
Prime2
NH Deductibles1
NH Tier 20251
Personal Umbrella Liability1
Prime 31
Bunker Hill Insurance Casualty Company3 filings
Fortified Roof + Additional Living Expenses1
Homeowners Combinations1
Plymouth Rock Home 2026 Group Renewal Filing1
live tape
Recent Documents
Forms
21 docs12/22/25Bunker Hill Insurance CompanyMABH 01 32 06 26 - ADDITIONAL LIVING EXPENSES EXTENSION - Final v2.pdfFortified Roof + Additional Living Expenses
12/22/25Bunker Hill Insurance CompanyMABH 01 20 06 26 - SPECIAL PROVISIONS - MASSACHUSETTS - Final v3.pdfFortified Roof + Additional Living Expenses
12/22/25Bunker Hill Insurance CompanyMABH 01 31 06 26 - Fortified Roof Upgrade Endorsement - Final V4.pdfFortified Roof + Additional Living Expenses
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 205 09-22 - Accident Forgiveness (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 212 01-15 - Auto Loan Lease Gap Coverage (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 34 03-21 - Boston Red Sox Rewards (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAMPY-0039-S 04-08 - $100 Glass Deductible - Comp (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAM-0070-S 04-08 - Coverage for Anyone Renting an Auto to You (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 211 01-15 - Optional New Car Replacement Coverage (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 099 07-25 MA Amendatory Endorsement (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 213 01-17 - Assurance Plus Endorsement (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAPRA MA 512 01-15 - Plymouth Rock Safety Pledge (clean).pdfMA PPA
12/16/25Plymouth Rock Assurance CorporationMAMPY-0016-S 04-08 - Waiver of Deductible (clean).pdfMA PPA
11/25/25Pilgrim Insurance CompanyMAPRA MA 730 03-26 Policy Renewal Important Notice clean v2.pdfMA PPA
11/25/25Bunker Hill Insurance CompanyMAPRA MA 730 03-26 Policy Renewal Important Notice_V2.pdfHomeowners Combinations
11/25/25Bunker Hill Insurance CompanyMABH 730 01 03 26 - Dislcosure_v5.pdfHomeowners Combinations
11/25/25Bunker Hill Insurance CompanyMAACORD 80.pdfHomeowners Combinations
11/25/25Bunker Hill Insurance CompanyMAPRA MA 570 03-26 Personal Umbrella Application Clean v3.pdfPersonal Umbrella Liability
11/25/25Bunker Hill Insurance CompanyMAPRA MA 730 03-26 Policy Renewal Important Notice Clean v2.pdfPersonal Umbrella Liability
11/25/25Plymouth Rock Assurance CorporationMAPRA MA 500 03-26 NB Auto Application v3 clean.pdfMA PPA
11/21/25Bunker Hill Insurance CompanyCTPRH 400 07 26 IMPORTANT FLOOD INSURANCE NOTICE_v2.pdfFlood Insurance Notice
Rate/Rule
265 docs07/27/26Plymouth Rock Assurance CorporationMAPremium CalculationMA PPA
07/22/26Bunker Hill Insurance CompanyCTAligned v2.0 Rates Appendix - Rate Order CalculationCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v2.0 Rule ManualCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v1.0 Rates Appendix - Rate Order CalculationCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v2.0 Rule ManualCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v2.0 Rates Appendix - Rate Order CalculationCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v1.0 Rule ManualCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v1.0 Rule ManualCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v2.0 Rates AppendixCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v1.0 Rates Appendix - Rate Order CalculationCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTAligned v1.0 Rates Appendix - Home Renovation DiscountCT Home Renovation Discount
07/16/26Plymouth Rock Assurance CorporationCTPrime 2 Rule 40Private Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTPrime 3 Rule 40Private Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTRule ManualsPrivate Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTRule ManualsPrivate Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTPrime 3 Rule 40Private Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTPrime 2 Rule 40Private Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTRate Order of CalculationPrivate Passenger Automobile
07/16/26Plymouth Rock Assurance CorporationCTRate Order of CalculationPrivate Passenger Automobile
06/12/26Mt. Washington Assurance CorporationNHIncident Merit FactorPrime
06/12/26Mt. Washington Assurance CorporationNHCustom Equipment FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHSymbolsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHDriver Age Group and Driver Incidents FactorPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHBase RatesPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHLimit Factors and Deductible LevelsPrime
06/12/26Mt. Washington Assurance CorporationNHRule 42Prime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHSymbolsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHLimit Factors and Deductible LevelsPrime
06/12/26Mt. Washington Assurance CorporationNHSymbolsPrime
06/12/26Mt. Washington Assurance CorporationNHRule 42Prime
06/12/26Mt. Washington Assurance CorporationNHCustom Equipment FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHIncident Merit FactorPrime
06/12/26Mt. Washington Assurance CorporationNHDriver Age Group and Driver Incidents FactorPrime
06/12/26Mt. Washington Assurance CorporationNHModel Year FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHHousehold Structure FactorsPrime
06/12/26Mt. Washington Assurance CorporationNHBase RatesPrime
06/12/26Mt. Washington Assurance CorporationNHModel Year FactorsPrime
06/08/26Mt. Washington Assurance CorporationNHRule ManualNH Deductibles
06/08/26Mt. Washington Assurance CorporationNHRate AppendixNH Deductibles
06/01/26Plymouth Rock Assurance Preferred CorporationPABase RatePA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPABase RatePA Personal Auto
Supporting Documentation
254 docs07/27/26Plymouth Rock Assurance CorporationMAMotor Vehicle Insurance ChecklistsMA PPA
07/27/26Plymouth Rock Assurance CorporationMACertification of ComplianceMA PPA
07/27/26Plymouth Rock Assurance CorporationMAAnnotated ComparisonMA PPA
07/27/26Plymouth Rock Assurance CorporationMASample Premium ExhibitMA PPA
07/27/26Plymouth Rock Assurance CorporationMAActuarial Memorandum and Abstract Form - Property and Casualty InsuranceMA PPA
07/27/26Plymouth Rock Assurance CorporationMASubmitted E-mail to Attorney General OfficeMA PPA
07/27/26Plymouth Rock Assurance CorporationMAActuarial Memorandum and Abstract Form - Property and Casualty InsuranceMA PPA
07/22/26Bunker Hill Insurance CompanyCTChecklist - HO RatesCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSide-by-Side ComparisonCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTChecklist - HO CoastalCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTChecklist - HO RulesCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSide-by-Side ComparisonCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSide-by-Side ComparisonCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSupplementary Competitor SupportCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSide-by-Side ComparisonCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTFiling MemorandumCT Home Renovation Discount
07/22/26Bunker Hill Insurance CompanyCTSupplementary Explanatory ExhibitCT Home Renovation Discount
07/16/26Plymouth Rock Assurance CorporationCTChecklist - PL Auto Rate/RulePrivate Passenger Automobile
06/12/26Mt. Washington Assurance CorporationNHFiling MemorandumPrime
06/12/26Mt. Washington Assurance CorporationNHActuarial MemorandumPrime
06/12/26Mt. Washington Assurance CorporationNHActuarial Exhibits and Supporting DataPrime
06/08/26Mt. Washington Assurance CorporationNHNH 2026 Dislocation Distribution SummaryNH Deductibles
06/08/26Mt. Washington Assurance CorporationNHSide-by-Side (Rating Rules)NH Deductibles
06/08/26Mt. Washington Assurance CorporationNHFiling MemorandumNH Deductibles
06/08/26Mt. Washington Assurance CorporationNHActuarial MemorandumNH Deductibles
06/08/26Mt. Washington Assurance CorporationNHSide-by-Side (Rating Rules)NH Deductibles
06/01/26Plymouth Rock Assurance Preferred CorporationPAOther ExhibitsPA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPAExhibit B.1 Summary of ImpactPA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPARate Level IndicationPA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPAPC Rate/Rule Filing AttestationPA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPAActuarial Explanatory Memorandum & Supporting Exhibits (PC)PA Personal Auto
06/01/26Plymouth Rock Assurance Preferred CorporationPAExhibit B.2 Histogram of ImpactPA Personal Auto
05/28/26Plymouth Rock Assurance CorporationCTResponse to OL 2026-06-09Private Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTChecklist - ActuarialPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTExplanatory MemoPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTAuto Rate Filings-Appendices RequiredPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTActuarial MemorandumPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTActuarial MemorandumPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTActuarial MemorandumPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTChecklist - PL Auto Rate/RulePrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTAuto Rate Filings-Appendices RequiredPrivate Passenger Auto
05/28/26Plymouth Rock Assurance CorporationCTActuarial MemorandumPrivate Passenger Auto
05/22/26Plymouth Rock Assurance CorporationMACertification of ComplianceMA PPA
05/22/26Plymouth Rock Assurance CorporationMAMotor Vehicle Insurance ChecklistsMA PPA
05/22/26Plymouth Rock Assurance CorporationMASubmitted E-mail to Attorney General OfficeMA PPA
05/22/26Plymouth Rock Assurance CorporationMAActuarial Memorandum and Abstract Form - Property and Casualty InsuranceMA PPA
05/22/26Plymouth Rock Assurance CorporationMAAnnotated ComparisonMA PPA
05/22/26Plymouth Rock Assurance CorporationMARate Change by BandsMA PPA
05/22/26Plymouth Rock Assurance CorporationMARate Change by Base Rate and Other Proposed ChangesMA PPA
05/22/26Plymouth Rock Assurance CorporationMASample Premium ExhibitMA PPA