Civic Intelligence

Connexion Systems & Engineering,

Plan context: Cse 401(K) Plan

EIN 04-3460782 • Sudbury, MA • 24 filings • 2 plans

490 Boston Post RoadSudbury, MA 01776
Current Snapshot

Latest Year

2025

2025 Participants

243

2025 Assets

$4,072,540

2025 Contributions

$250,795

Historical Graphs

Total Assets Over Time

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

$4,166,645$2,083,323$0200220142025YearValue
$4,072,540Latest year 2025

Participants Over Time

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

2431220200120142025YearValue
243Latest year 2025

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
20251243$4,072,540$250,795$1,032iApproximate average salary by contribution assumption: employee only about $25,802 at 4% or $17,201 at 6%; with 50% employer match about $17,201 at 4% or $11,468 at 6%; with 100% employer match about $12,901 at 4% or $8,601 at 6%.
Cse 401(K) Plan-243$4,072,540$250,795$1,032iApproximate average salary by contribution assumption: employee only about $25,802 at 4% or $17,201 at 6%; with 50% employer match about $17,201 at 4% or $11,468 at 6%; with 100% employer match about $12,901 at 4% or $8,601 at 6%.
20241228$3,363,883$241,972$1,061iApproximate average salary by contribution assumption: employee only about $26,532 at 4% or $17,688 at 6%; with 50% employer match about $17,688 at 4% or $11,792 at 6%; with 100% employer match about $13,266 at 4% or $8,844 at 6%.
Cse 401(K) Plan-228$3,363,883$241,972$1,061iApproximate average salary by contribution assumption: employee only about $26,532 at 4% or $17,688 at 6%; with 50% employer match about $17,688 at 4% or $11,792 at 6%; with 100% employer match about $13,266 at 4% or $8,844 at 6%.
2023181$2,937,821$202,852$2,504iApproximate average salary by contribution assumption: employee only about $62,609 at 4% or $41,739 at 6%; with 50% employer match about $41,739 at 4% or $27,826 at 6%; with 100% employer match about $31,304 at 4% or $20,870 at 6%.
Cse 401(K) Plan-81$2,937,821$202,852$2,504iApproximate average salary by contribution assumption: employee only about $62,609 at 4% or $41,739 at 6%; with 50% employer match about $41,739 at 4% or $27,826 at 6%; with 100% employer match about $31,304 at 4% or $20,870 at 6%.
2022171$3,534,167$200,080$2,818iApproximate average salary by contribution assumption: employee only about $70,451 at 4% or $46,967 at 6%; with 50% employer match about $46,967 at 4% or $31,311 at 6%; with 100% employer match about $35,225 at 4% or $23,484 at 6%.
Cse 401(K) Plan-71$3,534,167$200,080$2,818iApproximate average salary by contribution assumption: employee only about $70,451 at 4% or $46,967 at 6%; with 50% employer match about $46,967 at 4% or $31,311 at 6%; with 100% employer match about $35,225 at 4% or $23,484 at 6%.
2021193$4,166,645$252,440$2,714iApproximate average salary by contribution assumption: employee only about $67,860 at 4% or $45,240 at 6%; with 50% employer match about $45,240 at 4% or $30,160 at 6%; with 100% employer match about $33,930 at 4% or $22,620 at 6%.
Cse 401(K) Plan-93$4,166,645$252,440$2,714iApproximate average salary by contribution assumption: employee only about $67,860 at 4% or $45,240 at 6%; with 50% employer match about $45,240 at 4% or $30,160 at 6%; with 100% employer match about $33,930 at 4% or $22,620 at 6%.
2020161$3,872,494$232,811$3,817iApproximate average salary by contribution assumption: employee only about $95,414 at 4% or $63,610 at 6%; with 50% employer match about $63,610 at 4% or $42,406 at 6%; with 100% employer match about $47,707 at 4% or $31,805 at 6%.
Cse 401(K) Plan-61$3,872,494$232,811$3,817iApproximate average salary by contribution assumption: employee only about $95,414 at 4% or $63,610 at 6%; with 50% employer match about $63,610 at 4% or $42,406 at 6%; with 100% employer match about $47,707 at 4% or $31,805 at 6%.
2019158$3,368,893$206,776$3,565iApproximate average salary by contribution assumption: employee only about $89,128 at 4% or $59,418 at 6%; with 50% employer match about $59,418 at 4% or $39,612 at 6%; with 100% employer match about $44,564 at 4% or $29,709 at 6%.
Cse 401(K) Plan-58$3,368,893$206,776$3,565iApproximate average salary by contribution assumption: employee only about $89,128 at 4% or $59,418 at 6%; with 50% employer match about $59,418 at 4% or $39,612 at 6%; with 100% employer match about $44,564 at 4% or $29,709 at 6%.
2018135$2,588,649$218,395$6,240iApproximate average salary by contribution assumption: employee only about $155,996 at 4% or $103,998 at 6%; with 50% employer match about $103,998 at 4% or $69,332 at 6%; with 100% employer match about $77,998 at 4% or $51,999 at 6%.
Cse 401(K) Plan-35$2,588,649$218,395$6,240iApproximate average salary by contribution assumption: employee only about $155,996 at 4% or $103,998 at 6%; with 50% employer match about $103,998 at 4% or $69,332 at 6%; with 100% employer match about $77,998 at 4% or $51,999 at 6%.
2017138$2,608,950$154,580$4,068iApproximate average salary by contribution assumption: employee only about $101,697 at 4% or $67,798 at 6%; with 50% employer match about $67,798 at 4% or $45,199 at 6%; with 100% employer match about $50,849 at 4% or $33,899 at 6%.
Cse 401(K) Plan-38$2,608,950$154,580$4,068iApproximate average salary by contribution assumption: employee only about $101,697 at 4% or $67,798 at 6%; with 50% employer match about $67,798 at 4% or $45,199 at 6%; with 100% employer match about $50,849 at 4% or $33,899 at 6%.
2016140$2,055,863$145,828$3,646iApproximate average salary by contribution assumption: employee only about $91,143 at 4% or $60,762 at 6%; with 50% employer match about $60,762 at 4% or $40,508 at 6%; with 100% employer match about $45,571 at 4% or $30,381 at 6%.
Cse 401(K) Plan-40$2,055,863$145,828$3,646iApproximate average salary by contribution assumption: employee only about $91,143 at 4% or $60,762 at 6%; with 50% employer match about $60,762 at 4% or $40,508 at 6%; with 100% employer match about $45,571 at 4% or $30,381 at 6%.
2015140$1,775,323$187,545$4,689iApproximate average salary by contribution assumption: employee only about $117,216 at 4% or $78,144 at 6%; with 50% employer match about $78,144 at 4% or $52,096 at 6%; with 100% employer match about $58,608 at 4% or $39,072 at 6%.
Cse 401(K) Plan-40$1,775,323$187,545$4,689iApproximate average salary by contribution assumption: employee only about $117,216 at 4% or $78,144 at 6%; with 50% employer match about $78,144 at 4% or $52,096 at 6%; with 100% employer match about $58,608 at 4% or $39,072 at 6%.
2014140$1,757,039$129,873$3,247iApproximate average salary by contribution assumption: employee only about $81,171 at 4% or $54,114 at 6%; with 50% employer match about $54,114 at 4% or $36,076 at 6%; with 100% employer match about $40,585 at 4% or $27,057 at 6%.
Cse 401(K) Plan-40$1,757,039$129,873$3,247iApproximate average salary by contribution assumption: employee only about $81,171 at 4% or $54,114 at 6%; with 50% employer match about $54,114 at 4% or $36,076 at 6%; with 100% employer match about $40,585 at 4% or $27,057 at 6%.
2013142$1,591,266$142,519$3,393iApproximate average salary by contribution assumption: employee only about $84,833 at 4% or $56,555 at 6%; with 50% employer match about $56,555 at 4% or $37,703 at 6%; with 100% employer match about $42,416 at 4% or $28,278 at 6%.
Cse 401(K) Plan-42$1,591,266$142,519$3,393iApproximate average salary by contribution assumption: employee only about $84,833 at 4% or $56,555 at 6%; with 50% employer match about $56,555 at 4% or $37,703 at 6%; with 100% employer match about $42,416 at 4% or $28,278 at 6%.
2012136$1,159,240$144,781$4,022iApproximate average salary by contribution assumption: employee only about $100,542 at 4% or $67,028 at 6%; with 50% employer match about $67,028 at 4% or $44,685 at 6%; with 100% employer match about $50,271 at 4% or $33,514 at 6%.
Cse 401(K) Plan-36$1,159,240$144,781$4,022iApproximate average salary by contribution assumption: employee only about $100,542 at 4% or $67,028 at 6%; with 50% employer match about $67,028 at 4% or $44,685 at 6%; with 100% employer match about $50,271 at 4% or $33,514 at 6%.
2011135$913,005$113,822$3,252iApproximate average salary by contribution assumption: employee only about $81,301 at 4% or $54,201 at 6%; with 50% employer match about $54,201 at 4% or $36,134 at 6%; with 100% employer match about $40,651 at 4% or $27,100 at 6%.
Cse 401(K) Plan-35$913,005$113,822$3,252iApproximate average salary by contribution assumption: employee only about $81,301 at 4% or $54,201 at 6%; with 50% employer match about $54,201 at 4% or $36,134 at 6%; with 100% employer match about $40,651 at 4% or $27,100 at 6%.
2010164$470,359$148,536$2,321iApproximate average salary by contribution assumption: employee only about $58,022 at 4% or $38,681 at 6%; with 50% employer match about $38,681 at 4% or $25,788 at 6%; with 100% employer match about $29,011 at 4% or $19,341 at 6%.
Cse 401(K) Plan-64$470,359$148,536$2,321iApproximate average salary by contribution assumption: employee only about $58,022 at 4% or $38,681 at 6%; with 50% employer match about $38,681 at 4% or $25,788 at 6%; with 100% employer match about $29,011 at 4% or $19,341 at 6%.
2009127$792,393$158,060$5,854iApproximate average salary by contribution assumption: employee only about $146,352 at 4% or $97,568 at 6%; with 50% employer match about $97,568 at 4% or $65,045 at 6%; with 100% employer match about $73,176 at 4% or $48,784 at 6%.
Cse 401(K) Plan-27$792,393$158,060$5,854iApproximate average salary by contribution assumption: employee only about $146,352 at 4% or $97,568 at 6%; with 50% employer match about $97,568 at 4% or $65,045 at 6%; with 100% employer match about $73,176 at 4% or $48,784 at 6%.
20071183$625,881$149,911$819iApproximate average salary by contribution assumption: employee only about $20,480 at 4% or $13,653 at 6%; with 50% employer match about $13,653 at 4% or $9,102 at 6%; with 100% employer match about $10,240 at 4% or $6,827 at 6%.
Cse 401(K) Plan-183$625,881$149,911$819iApproximate average salary by contribution assumption: employee only about $20,480 at 4% or $13,653 at 6%; with 50% employer match about $13,653 at 4% or $9,102 at 6%; with 100% employer match about $10,240 at 4% or $6,827 at 6%.
2006162$430,156$134,105$2,163iApproximate average salary by contribution assumption: employee only about $54,075 at 4% or $36,050 at 6%; with 50% employer match about $36,050 at 4% or $24,033 at 6%; with 100% employer match about $27,037 at 4% or $18,025 at 6%.
Cse 401(K) Plan-62$430,156$134,105$2,163iApproximate average salary by contribution assumption: employee only about $54,075 at 4% or $36,050 at 6%; with 50% employer match about $36,050 at 4% or $24,033 at 6%; with 100% employer match about $27,037 at 4% or $18,025 at 6%.
2005141$269,617$118,240$2,884iApproximate average salary by contribution assumption: employee only about $72,098 at 4% or $48,065 at 6%; with 50% employer match about $48,065 at 4% or $32,043 at 6%; with 100% employer match about $36,049 at 4% or $24,033 at 6%.
Cse 401(K) Plan-41$269,617$118,240$2,884iApproximate average salary by contribution assumption: employee only about $72,098 at 4% or $48,065 at 6%; with 50% employer match about $48,065 at 4% or $32,043 at 6%; with 100% employer match about $36,049 at 4% or $24,033 at 6%.
2004130$128,676$45,670$1,522iApproximate average salary by contribution assumption: employee only about $38,058 at 4% or $25,372 at 6%; with 50% employer match about $25,372 at 4% or $16,915 at 6%; with 100% employer match about $19,029 at 4% or $12,686 at 6%.
Cse 401(K) Plan-30$128,676$45,670$1,522iApproximate average salary by contribution assumption: employee only about $38,058 at 4% or $25,372 at 6%; with 50% employer match about $25,372 at 4% or $16,915 at 6%; with 100% employer match about $19,029 at 4% or $12,686 at 6%.
2003131$81,326$44,162$1,425iApproximate average salary by contribution assumption: employee only about $35,615 at 4% or $23,743 at 6%; with 50% employer match about $23,743 at 4% or $15,829 at 6%; with 100% employer match about $17,807 at 4% or $11,872 at 6%.
Cse 401(K) Plan-31$81,326$44,162$1,425iApproximate average salary by contribution assumption: employee only about $35,615 at 4% or $23,743 at 6%; with 50% employer match about $23,743 at 4% or $15,829 at 6%; with 100% employer match about $17,807 at 4% or $11,872 at 6%.
2002115$31,018$23,637$1,576iApproximate average salary by contribution assumption: employee only about $39,395 at 4% or $26,263 at 6%; with 50% employer match about $26,263 at 4% or $17,509 at 6%; with 100% employer match about $19,698 at 4% or $13,132 at 6%.
Cse 401(K) Plan-15$31,018$23,637$1,576iApproximate average salary by contribution assumption: employee only about $39,395 at 4% or $26,263 at 6%; with 50% employer match about $26,263 at 4% or $17,509 at 6%; with 100% employer match about $19,698 at 4% or $13,132 at 6%.
2001111$0$0-
Cse 401(K) Plan-11---