Civic Intelligence

Cornerstone Corporation

Plan context: Cornerstone Corporation Employee Retirement Plan

EIN 04-3056848 • Westwood, MA • 27 filings • 2 plans

One University AvenueSuite 110Westwood, MA 02090
Current Snapshot

Latest Year

2024

2024 Participants

43

2024 Assets

$9,904,382

2024 Contributions

$261,357

Historical Graphs

Total Assets Over Time

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

$9,904,382$4,952,191$0199920132024YearValue
$9,904,382Latest year 2024

Participants Over Time

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

135680199920122024YearValue
43Latest 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
2024143$9,904,382$261,357$6,078iApproximate average salary by contribution assumption: employee only about $151,952 at 4% or $101,301 at 6%; with 50% employer match about $101,301 at 4% or $67,534 at 6%; with 100% employer match about $75,976 at 4% or $50,651 at 6%.
Cornerstone Corporation Employee Retirement Plan-43$9,904,382$261,357$6,078iApproximate average salary by contribution assumption: employee only about $151,952 at 4% or $101,301 at 6%; with 50% employer match about $101,301 at 4% or $67,534 at 6%; with 100% employer match about $75,976 at 4% or $50,651 at 6%.
2023145$8,571,364$251,081$5,580iApproximate average salary by contribution assumption: employee only about $139,489 at 4% or $92,993 at 6%; with 50% employer match about $92,993 at 4% or $61,995 at 6%; with 100% employer match about $69,745 at 4% or $46,496 at 6%.
Cornerstone Corporation Employee Retirement Plan-45$8,571,364$251,081$5,580iApproximate average salary by contribution assumption: employee only about $139,489 at 4% or $92,993 at 6%; with 50% employer match about $92,993 at 4% or $61,995 at 6%; with 100% employer match about $69,745 at 4% or $46,496 at 6%.
2022143$6,978,503$205,617$4,782iApproximate average salary by contribution assumption: employee only about $119,545 at 4% or $79,697 at 6%; with 50% employer match about $79,697 at 4% or $53,131 at 6%; with 100% employer match about $59,772 at 4% or $39,848 at 6%.
Cornerstone Corporation Employee Retirement Plan-43$6,978,503$205,617$4,782iApproximate average salary by contribution assumption: employee only about $119,545 at 4% or $79,697 at 6%; with 50% employer match about $79,697 at 4% or $53,131 at 6%; with 100% employer match about $59,772 at 4% or $39,848 at 6%.
2021148$8,511,158$205,601$4,283iApproximate average salary by contribution assumption: employee only about $107,084 at 4% or $71,389 at 6%; with 50% employer match about $71,389 at 4% or $47,593 at 6%; with 100% employer match about $53,542 at 4% or $35,695 at 6%.
Cornerstone Corporation Employee Retirement Plan-48$8,511,158$205,601$4,283iApproximate average salary by contribution assumption: employee only about $107,084 at 4% or $71,389 at 6%; with 50% employer match about $71,389 at 4% or $47,593 at 6%; with 100% employer match about $53,542 at 4% or $35,695 at 6%.
2020151$7,480,913$209,016$4,098iApproximate average salary by contribution assumption: employee only about $102,459 at 4% or $68,306 at 6%; with 50% employer match about $68,306 at 4% or $45,537 at 6%; with 100% employer match about $51,229 at 4% or $34,153 at 6%.
Cornerstone Corporation Employee Retirement Plan-51$7,480,913$209,016$4,098iApproximate average salary by contribution assumption: employee only about $102,459 at 4% or $68,306 at 6%; with 50% employer match about $68,306 at 4% or $45,537 at 6%; with 100% employer match about $51,229 at 4% or $34,153 at 6%.
2019152$6,451,671$209,938$4,037iApproximate average salary by contribution assumption: employee only about $100,932 at 4% or $67,288 at 6%; with 50% employer match about $67,288 at 4% or $44,859 at 6%; with 100% employer match about $50,466 at 4% or $33,644 at 6%.
Cornerstone Corporation Employee Retirement Plan-52$6,451,671$209,938$4,037iApproximate average salary by contribution assumption: employee only about $100,932 at 4% or $67,288 at 6%; with 50% employer match about $67,288 at 4% or $44,859 at 6%; with 100% employer match about $50,466 at 4% or $33,644 at 6%.
2018158$6,028,519$206,444$3,559iApproximate average salary by contribution assumption: employee only about $88,984 at 4% or $59,323 at 6%; with 50% employer match about $59,323 at 4% or $39,549 at 6%; with 100% employer match about $44,492 at 4% or $29,661 at 6%.
Cornerstone Corporation Employee Retirement Plan-58$6,028,519$206,444$3,559iApproximate average salary by contribution assumption: employee only about $88,984 at 4% or $59,323 at 6%; with 50% employer match about $59,323 at 4% or $39,549 at 6%; with 100% employer match about $44,492 at 4% or $29,661 at 6%.
2017158$6,325,378$196,723$3,392iApproximate average salary by contribution assumption: employee only about $84,794 at 4% or $56,530 at 6%; with 50% employer match about $56,530 at 4% or $37,686 at 6%; with 100% employer match about $42,397 at 4% or $28,265 at 6%.
Cornerstone Corporation Employee Retirement Plan-58$6,325,378$196,723$3,392iApproximate average salary by contribution assumption: employee only about $84,794 at 4% or $56,530 at 6%; with 50% employer match about $56,530 at 4% or $37,686 at 6%; with 100% employer match about $42,397 at 4% or $28,265 at 6%.
2016155$5,369,544$206,766$3,759iApproximate average salary by contribution assumption: employee only about $93,985 at 4% or $62,656 at 6%; with 50% employer match about $62,656 at 4% or $41,771 at 6%; with 100% employer match about $46,992 at 4% or $31,328 at 6%.
Cornerstone Corporation Employee Retirement Plan-55$5,369,544$206,766$3,759iApproximate average salary by contribution assumption: employee only about $93,985 at 4% or $62,656 at 6%; with 50% employer match about $62,656 at 4% or $41,771 at 6%; with 100% employer match about $46,992 at 4% or $31,328 at 6%.
2015161$5,475,192$269,683$4,421iApproximate average salary by contribution assumption: employee only about $110,526 at 4% or $73,684 at 6%; with 50% employer match about $73,684 at 4% or $49,123 at 6%; with 100% employer match about $55,263 at 4% or $36,842 at 6%.
Cornerstone Corporation Employee Retirement Plan-61$5,475,192$269,683$4,421iApproximate average salary by contribution assumption: employee only about $110,526 at 4% or $73,684 at 6%; with 50% employer match about $73,684 at 4% or $49,123 at 6%; with 100% employer match about $55,263 at 4% or $36,842 at 6%.
2014167$5,311,115$322,044$4,807iApproximate average salary by contribution assumption: employee only about $120,166 at 4% or $80,110 at 6%; with 50% employer match about $80,110 at 4% or $53,407 at 6%; with 100% employer match about $60,083 at 4% or $40,055 at 6%.
Cornerstone Corporation Employee Retirement Plan-67$5,311,115$322,044$4,807iApproximate average salary by contribution assumption: employee only about $120,166 at 4% or $80,110 at 6%; with 50% employer match about $80,110 at 4% or $53,407 at 6%; with 100% employer match about $60,083 at 4% or $40,055 at 6%.
20131103$6,153,667$498,070$4,836iApproximate average salary by contribution assumption: employee only about $120,891 at 4% or $80,594 at 6%; with 50% employer match about $80,594 at 4% or $53,729 at 6%; with 100% employer match about $60,445 at 4% or $40,297 at 6%.
Cornerstone Corporation Employee Retirement Plan-103$6,153,667$498,070$4,836iApproximate average salary by contribution assumption: employee only about $120,891 at 4% or $80,594 at 6%; with 50% employer match about $80,594 at 4% or $53,729 at 6%; with 100% employer match about $60,445 at 4% or $40,297 at 6%.
20121115$4,686,130$387,828$3,372iApproximate average salary by contribution assumption: employee only about $84,310 at 4% or $56,207 at 6%; with 50% employer match about $56,207 at 4% or $37,471 at 6%; with 100% employer match about $42,155 at 4% or $28,103 at 6%.
Cornerstone Corporation Employee Retirement Plan-115$4,686,130$387,828$3,372iApproximate average salary by contribution assumption: employee only about $84,310 at 4% or $56,207 at 6%; with 50% employer match about $56,207 at 4% or $37,471 at 6%; with 100% employer match about $42,155 at 4% or $28,103 at 6%.
20111101$4,018,029$389,097$3,852iApproximate average salary by contribution assumption: employee only about $96,311 at 4% or $64,207 at 6%; with 50% employer match about $64,207 at 4% or $42,805 at 6%; with 100% employer match about $48,156 at 4% or $32,104 at 6%.
Cornerstone Corporation Employee Retirement Plan-101$4,018,029$389,097$3,852iApproximate average salary by contribution assumption: employee only about $96,311 at 4% or $64,207 at 6%; with 50% employer match about $64,207 at 4% or $42,805 at 6%; with 100% employer match about $48,156 at 4% or $32,104 at 6%.
20101101$4,567,781$388,866$3,850iApproximate average salary by contribution assumption: employee only about $96,254 at 4% or $64,169 at 6%; with 50% employer match about $64,169 at 4% or $42,780 at 6%; with 100% employer match about $48,127 at 4% or $32,085 at 6%.
Cornerstone Corporation Employee Retirement Plan-101$4,567,781$388,866$3,850iApproximate average salary by contribution assumption: employee only about $96,254 at 4% or $64,169 at 6%; with 50% employer match about $64,169 at 4% or $42,780 at 6%; with 100% employer match about $48,127 at 4% or $32,085 at 6%.
20091105$4,250,746$428,607$4,082iApproximate average salary by contribution assumption: employee only about $102,049 at 4% or $68,033 at 6%; with 50% employer match about $68,033 at 4% or $45,355 at 6%; with 100% employer match about $51,025 at 4% or $34,016 at 6%.
Cornerstone Corporation Employee Retirement Plan-105$4,250,746$428,607$4,082iApproximate average salary by contribution assumption: employee only about $102,049 at 4% or $68,033 at 6%; with 50% employer match about $68,033 at 4% or $45,355 at 6%; with 100% employer match about $51,025 at 4% or $34,016 at 6%.
20081107$3,255,408$423,511$3,958iApproximate average salary by contribution assumption: employee only about $98,951 at 4% or $65,967 at 6%; with 50% employer match about $65,967 at 4% or $43,978 at 6%; with 100% employer match about $49,476 at 4% or $32,984 at 6%.
Cornerstone Corporation Employee Retirement Plan-107$3,255,408$423,511$3,958iApproximate average salary by contribution assumption: employee only about $98,951 at 4% or $65,967 at 6%; with 50% employer match about $65,967 at 4% or $43,978 at 6%; with 100% employer match about $49,476 at 4% or $32,984 at 6%.
20071125$4,254,939$458,585$3,669iApproximate average salary by contribution assumption: employee only about $91,717 at 4% or $61,145 at 6%; with 50% employer match about $61,145 at 4% or $40,763 at 6%; with 100% employer match about $45,859 at 4% or $30,572 at 6%.
Cornerstone Corporation Employee Retirement Plan-125$4,254,939$458,585$3,669iApproximate average salary by contribution assumption: employee only about $91,717 at 4% or $61,145 at 6%; with 50% employer match about $61,145 at 4% or $40,763 at 6%; with 100% employer match about $45,859 at 4% or $30,572 at 6%.
20061122$3,731,318$418,461$3,430iApproximate average salary by contribution assumption: employee only about $85,750 at 4% or $57,167 at 6%; with 50% employer match about $57,167 at 4% or $38,111 at 6%; with 100% employer match about $42,875 at 4% or $28,583 at 6%.
Cornerstone Corporation Employee Retirement Plan-122$3,731,318$418,461$3,430iApproximate average salary by contribution assumption: employee only about $85,750 at 4% or $57,167 at 6%; with 50% employer match about $57,167 at 4% or $38,111 at 6%; with 100% employer match about $42,875 at 4% or $28,583 at 6%.
20051135$3,175,216$433,460$3,211iApproximate average salary by contribution assumption: employee only about $80,270 at 4% or $53,514 at 6%; with 50% employer match about $53,514 at 4% or $35,676 at 6%; with 100% employer match about $40,135 at 4% or $26,757 at 6%.
Cornerstone Corporation Employee Retirement Plan-135$3,175,216$433,460$3,211iApproximate average salary by contribution assumption: employee only about $80,270 at 4% or $53,514 at 6%; with 50% employer match about $53,514 at 4% or $35,676 at 6%; with 100% employer match about $40,135 at 4% or $26,757 at 6%.
20041129$2,586,093$339,124$2,629iApproximate average salary by contribution assumption: employee only about $65,722 at 4% or $43,814 at 6%; with 50% employer match about $43,814 at 4% or $29,210 at 6%; with 100% employer match about $32,861 at 4% or $21,907 at 6%.
Cornerstone Corporation Employee Retirement Plan-129$2,586,093$339,124$2,629iApproximate average salary by contribution assumption: employee only about $65,722 at 4% or $43,814 at 6%; with 50% employer match about $43,814 at 4% or $29,210 at 6%; with 100% employer match about $32,861 at 4% or $21,907 at 6%.
20031108$2,165,701$291,465$2,699iApproximate average salary by contribution assumption: employee only about $67,469 at 4% or $44,979 at 6%; with 50% employer match about $44,979 at 4% or $29,986 at 6%; with 100% employer match about $33,734 at 4% or $22,490 at 6%.
Cornerstone Corporation Employee Retirement Plan-108$2,165,701$291,465$2,699iApproximate average salary by contribution assumption: employee only about $67,469 at 4% or $44,979 at 6%; with 50% employer match about $44,979 at 4% or $29,986 at 6%; with 100% employer match about $33,734 at 4% or $22,490 at 6%.
2002178$1,531,180$246,850$3,165iApproximate average salary by contribution assumption: employee only about $79,119 at 4% or $52,746 at 6%; with 50% employer match about $52,746 at 4% or $35,164 at 6%; with 100% employer match about $39,559 at 4% or $26,373 at 6%.
Cornerstone Corporation Employee Retirement Plan-78$1,531,180$246,850$3,165iApproximate average salary by contribution assumption: employee only about $79,119 at 4% or $52,746 at 6%; with 50% employer match about $52,746 at 4% or $35,164 at 6%; with 100% employer match about $39,559 at 4% or $26,373 at 6%.
2001281$0$0-
Cornerstone Corporation Employee Retirement Plan-81---
CORNERSTONE CORPORATION PREMIUM ONLY CAFETERIA PLAN-81---
2000176$0$0-
Cornerstone Corporation Employee Retirement Plan-76---
1999180$1,175,313$208,505$2,606iApproximate average salary by contribution assumption: employee only about $65,158 at 4% or $43,439 at 6%; with 50% employer match about $43,439 at 4% or $28,959 at 6%; with 100% employer match about $32,579 at 4% or $21,719 at 6%.
Cornerstone Corporation Employee Retirement Plan-80$1,175,313$208,505$2,606iApproximate average salary by contribution assumption: employee only about $65,158 at 4% or $43,439 at 6%; with 50% employer match about $43,439 at 4% or $28,959 at 6%; with 100% employer match about $32,579 at 4% or $21,719 at 6%.