Civic Intelligence

Brookline Bancorp Inc.

Plan context: Brookline Bancorp 401(K) Plan

EIN 04-3402944 • Boston, MA • 42 filings • 8 plans

131 Clarendon StreetBoston, MA 02117-9179
Current Snapshot

Latest Year

2025

2025 Participants

1,000

2025 Assets

$175,960,800

2025 Contributions

$17,886,904

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$175,960,800$87,980,400$0201320192024YearValue
$175,960,800Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

1,0005000201320192024YearValue
1,000Latest year 2024

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
202510$0$0-
Brookline Bancorp Inc Employee Stock Ownership Plan-0---
202431,000$175,960,800$17,886,904$17,887iApproximate average salary by contribution assumption: employee only about $447,173 at 4% or $298,115 at 6%; with 50% employer match about $298,115 at 4% or $198,743 at 6%; with 100% employer match about $223,586 at 4% or $149,058 at 6%.
Brookline Bancorp 401(K) Plan-998$168,735,553$17,886,904$17,923iApproximate average salary by contribution assumption: employee only about $448,069 at 4% or $298,712 at 6%; with 50% employer match about $298,712 at 4% or $199,142 at 6%; with 100% employer match about $224,034 at 4% or $149,356 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-63$7,225,247--
Brookline Bancorp Inc. Health and Welfare Benefits Plan-1,000---
20233971$153,077,163$20,596,328$21,211iApproximate average salary by contribution assumption: employee only about $530,287 at 4% or $353,524 at 6%; with 50% employer match about $353,524 at 4% or $235,683 at 6%; with 100% employer match about $265,143 at 4% or $176,762 at 6%.
Brookline Bancorp 401(K) Plan-971$146,074,170$20,596,328$21,211iApproximate average salary by contribution assumption: employee only about $530,287 at 4% or $353,524 at 6%; with 50% employer match about $353,524 at 4% or $235,683 at 6%; with 100% employer match about $265,143 at 4% or $176,762 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-767$7,002,993--
Brookline Bancorp Inc. Health and Welfare Benefits Plan-966---
20223841$120,556,052$11,253,085$13,381iApproximate average salary by contribution assumption: employee only about $334,515 at 4% or $223,010 at 6%; with 50% employer match about $223,010 at 4% or $148,673 at 6%; with 100% employer match about $167,258 at 4% or $111,505 at 6%.
Brookline Bancorp 401(K) Plan-841$111,169,281$11,000,609$13,080iApproximate average salary by contribution assumption: employee only about $327,010 at 4% or $218,007 at 6%; with 50% employer match about $218,007 at 4% or $145,338 at 6%; with 100% employer match about $163,505 at 4% or $109,003 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-656$9,386,771$252,476$385iApproximate average salary by contribution assumption: employee only about $9,622 at 4% or $6,415 at 6%; with 50% employer match about $6,415 at 4% or $4,276 at 6%; with 100% employer match about $4,811 at 4% or $3,207 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-796---
20213806$140,162,971$10,818,834$13,423iApproximate average salary by contribution assumption: employee only about $335,572 at 4% or $223,715 at 6%; with 50% employer match about $223,715 at 4% or $149,143 at 6%; with 100% employer match about $167,786 at 4% or $111,857 at 6%.
Brookline Bancorp 401(K) Plan-806$129,131,568$10,556,931$13,098iApproximate average salary by contribution assumption: employee only about $327,448 at 4% or $218,299 at 6%; with 50% employer match about $218,299 at 4% or $145,533 at 6%; with 100% employer match about $163,724 at 4% or $109,149 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-658$11,031,403$261,903$398iApproximate average salary by contribution assumption: employee only about $9,951 at 4% or $6,634 at 6%; with 50% employer match about $6,634 at 4% or $4,423 at 6%; with 100% employer match about $4,975 at 4% or $3,317 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-789---
20203801$121,426,954$9,786,739$12,218iApproximate average salary by contribution assumption: employee only about $305,454 at 4% or $203,636 at 6%; with 50% employer match about $203,636 at 4% or $135,757 at 6%; with 100% employer match about $152,727 at 4% or $101,818 at 6%.
Brookline Bancorp 401(K) Plan-801$112,128,237$9,517,291$11,882iApproximate average salary by contribution assumption: employee only about $297,044 at 4% or $198,029 at 6%; with 50% employer match about $198,029 at 4% or $132,020 at 6%; with 100% employer match about $148,522 at 4% or $99,015 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-662$9,298,717$269,448$407iApproximate average salary by contribution assumption: employee only about $10,176 at 4% or $6,784 at 6%; with 50% employer match about $6,784 at 4% or $4,522 at 6%; with 100% employer match about $5,088 at 4% or $3,392 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-782---
20193801$108,451,794$9,156,947$11,432iApproximate average salary by contribution assumption: employee only about $285,797 at 4% or $190,532 at 6%; with 50% employer match about $190,532 at 4% or $127,021 at 6%; with 100% employer match about $142,899 at 4% or $95,266 at 6%.
Brookline Bancorp 401(K) Plan-801$95,353,112$8,854,290$11,054iApproximate average salary by contribution assumption: employee only about $276,351 at 4% or $184,234 at 6%; with 50% employer match about $184,234 at 4% or $122,823 at 6%; with 100% employer match about $138,176 at 4% or $92,117 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-635$13,098,682$302,657$477iApproximate average salary by contribution assumption: employee only about $11,916 at 4% or $7,944 at 6%; with 50% employer match about $7,944 at 4% or $5,296 at 6%; with 100% employer match about $5,958 at 4% or $3,972 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-774---
20183783$88,102,742$8,795,167$11,233iApproximate average salary by contribution assumption: employee only about $280,816 at 4% or $187,211 at 6%; with 50% employer match about $187,211 at 4% or $124,807 at 6%; with 100% employer match about $140,408 at 4% or $93,605 at 6%.
Brookline Bancorp 401(K) Plan-783$76,842,796$8,490,228$10,843iApproximate average salary by contribution assumption: employee only about $271,080 at 4% or $180,720 at 6%; with 50% employer match about $180,720 at 4% or $120,480 at 6%; with 100% employer match about $135,540 at 4% or $90,360 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-633$11,259,946$304,939$482iApproximate average salary by contribution assumption: employee only about $12,043 at 4% or $8,029 at 6%; with 50% employer match about $8,029 at 4% or $5,353 at 6%; with 100% employer match about $6,022 at 4% or $4,014 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-661---
20173750$91,430,806$9,817,524$13,090iApproximate average salary by contribution assumption: employee only about $327,251 at 4% or $218,167 at 6%; with 50% employer match about $218,167 at 4% or $145,445 at 6%; with 100% employer match about $163,625 at 4% or $109,084 at 6%.
Brookline Bancorp 401(K) Plan-743$77,930,875$9,479,715$12,759iApproximate average salary by contribution assumption: employee only about $318,968 at 4% or $212,645 at 6%; with 50% employer match about $212,645 at 4% or $141,763 at 6%; with 100% employer match about $159,484 at 4% or $106,323 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-599$13,499,931$337,809$564iApproximate average salary by contribution assumption: employee only about $14,099 at 4% or $9,399 at 6%; with 50% employer match about $9,399 at 4% or $6,266 at 6%; with 100% employer match about $7,049 at 4% or $4,700 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-750---
20163727$76,252,299$7,716,291$10,614iApproximate average salary by contribution assumption: employee only about $265,347 at 4% or $176,898 at 6%; with 50% employer match about $176,898 at 4% or $117,932 at 6%; with 100% employer match about $132,674 at 4% or $88,449 at 6%.
Brookline Bancorp 401(K) Plan-716$61,174,676$7,365,357$10,287iApproximate average salary by contribution assumption: employee only about $257,170 at 4% or $171,447 at 6%; with 50% employer match about $171,447 at 4% or $114,298 at 6%; with 100% employer match about $128,585 at 4% or $85,723 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-577$15,077,623$350,934$608iApproximate average salary by contribution assumption: employee only about $15,205 at 4% or $10,137 at 6%; with 50% employer match about $10,137 at 4% or $6,758 at 6%; with 100% employer match about $7,603 at 4% or $5,068 at 6%.
Brookline Bancorp Inc. Health and Welfare Benefits Plan-727---
20155731$63,995,971$7,879,147$10,779iApproximate average salary by contribution assumption: employee only about $269,465 at 4% or $179,643 at 6%; with 50% employer match about $179,643 at 4% or $119,762 at 6%; with 100% employer match about $134,732 at 4% or $89,822 at 6%.
Brookline Bancorp 401(K) Plan-731$52,841,131$7,520,124$10,287iApproximate average salary by contribution assumption: employee only about $257,186 at 4% or $171,457 at 6%; with 50% employer match about $171,457 at 4% or $114,305 at 6%; with 100% employer match about $128,593 at 4% or $85,729 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-565$11,154,840$359,023$635iApproximate average salary by contribution assumption: employee only about $15,886 at 4% or $10,591 at 6%; with 50% employer match about $10,591 at 4% or $7,060 at 6%; with 100% employer match about $7,943 at 4% or $5,295 at 6%.
FLEXIBLE BENEFITS PLAN-0---
WELFARE BENEFITS PLAN-0---
SBERA 401(K) PLAN AS ADOPTED BY BROOKLINE BANCORP, INC.-0---
20145750$44,380,119$4,103,598$5,471iApproximate average salary by contribution assumption: employee only about $136,787 at 4% or $91,191 at 6%; with 50% employer match about $91,191 at 4% or $60,794 at 6%; with 100% employer match about $68,393 at 4% or $45,596 at 6%.
SBERA 401(K) PLAN AS ADOPTED BY BROOKLINE BANCORP, INC.-457$34,185,886$3,740,189$8,184iApproximate average salary by contribution assumption: employee only about $204,606 at 4% or $136,404 at 6%; with 50% employer match about $136,404 at 4% or $90,936 at 6%; with 100% employer match about $102,303 at 4% or $68,202 at 6%.
Brookline Bancorp Inc Employee Stock Ownership Plan-561$10,194,233$363,409$648iApproximate average salary by contribution assumption: employee only about $16,195 at 4% or $10,796 at 6%; with 50% employer match about $10,796 at 4% or $7,198 at 6%; with 100% employer match about $8,097 at 4% or $5,398 at 6%.
WELFARE BENEFITS PLAN-685---
FLEXIBLE BENEFITS PLAN-750---
MEDICAL PREMIUM PLAN-0---
20134693$35,077,471$4,169,634$6,017iApproximate average salary by contribution assumption: employee only about $150,420 at 4% or $100,280 at 6%; with 50% employer match about $100,280 at 4% or $66,853 at 6%; with 100% employer match about $75,210 at 4% or $50,140 at 6%.
SBERA 401(K) PLAN AS ADOPTED BY BROOKLINE BANCORP, INC.-455$35,077,471$4,169,634$9,164iApproximate average salary by contribution assumption: employee only about $229,101 at 4% or $152,734 at 6%; with 50% employer match about $152,734 at 4% or $101,823 at 6%; with 100% employer match about $114,550 at 4% or $76,367 at 6%.
FLEXIBLE BENEFITS PLAN-631---
WELFARE BENEFITS PLAN-693---
MEDICAL PREMIUM PLAN-605---