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  1. Companies/
  2. Cornerstone Bank
  • Retirement analytics
  • Benefits analytics
  • Plan summaries
  • Retirement plans
  • Health & Benefits plans

Filings through Oct 24, 2026.

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Cornerstone Bank

EIN 04-1856390-banking-Latest filing 2025
Plans
3
Retirement
2
$48.7M assets
Health & Benefits
1
$235K premiums
Participants
520
257 MAIN STREET - SOUTHBRIDGE, MA 01550508-885-5313cornerstonebank.comLinkedIn201-500 employeesbanking
Plans on this EIN
3 filings
#004401(k)-$35.0M - 232 part#001Traditional DB-$13.7M - 103 part#501Mixed-$235K - 302 lives

Health & Benefits portfolio - carriers, brokers and premium across this company's health and benefits plan.

Retirement portfolio analytics

2 plans aggregated / $48.7M assets / 335 participants

Assets by plan

Share of aggregate retirement assets

  • CORNERSTONE BANK 401(K) (#004)$35.0M
  • SPENCER SAVINGS BANK (#001)$13.7M
Total $48.7MSelect a row to open it

Participants by plan

Active + retired + deferred vested

  • CORNERSTONE BANK 401(K) (#004)232
  • SPENCER SAVINGS BANK (#001)103
Total 335Select a row to open it

Benefits portfolio analytics

1 plan / $235K premiums / 302 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Dental$139K
  • Life$69K
  • Long-term disability$69K
  • Other$69K
  • Vision$27K
Total $235K5 rows
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Plan summaries

Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.

Retirement#004

CORNERSTONE BANK 401(K) PLAN

401(k)

Assets$35.0M
Participants232
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#001

SBERA PENSION PLAN AS ADOPTED BY SPENCER SAVINGS BANK

Traditional DB

Assets$13.7M
Participants103
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#501

CORNERSTONE BANK HEALTH WELFARE PLAN

Mixed - ALTUS DENTAL INSURANCE COMPANY

Premiums$235K
Covered lives302
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

2 plans on this EIN

PlanNameTypeAssetsParticipantsLatest year
#004CORNERSTONE BANK 401(K) PLAN401(k)$35.0M2322025
#001SBERA PENSION PLAN AS ADOPTED BY SPENCER SAVINGS BANKTraditional DB$13.7M1032025
  • CORNERSTONE BANK 401(K) PLAN$35.0M
    #004 · 401(k) · 2025232
  • SBERA PENSION PLAN AS ADOPTED BY SPENCER SAVINGS BANK$13.7M
    #001 · Traditional DB · 2025103

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#501CORNERSTONE BANK HEALTH WELFARE PLANMixedALTUS DENTAL INSURANCE COMPANY$235K3022025
  • CORNERSTONE BANK HEALTH WELFARE PLAN$235K
    #501 · Mixed · ALTUS DENTAL INSURANCE COMPANY · 2025302
Retirement plans
Health & Benefits plans

On this page

  1. Retirement analytics
  2. Benefits analytics
  3. Plan summaries
  4. Retirement plans
  5. Health & Benefits plans
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