Civic Intelligence

Monadnock Security Systems Inc.

Plan context: Monadnock Security Systems Inc. 401(K) Plan

EIN 02-0492779 • Mason, NH • 16 filings • 2 plans

93 Old Turnpike RoadMason, NH 03058
Current Snapshot

Latest Year

2025

2025 Participants

19

2025 Assets

$1,042,380

2025 Contributions

$52,689

Historical Graphs

Total Assets Over Time

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

$1,308,390$654,195$0201020182025YearValue
$1,042,380Latest year 2025

Participants Over Time

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

19100201020182025YearValue
19Latest 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
2025119$1,042,380$52,689$2,773iApproximate average salary by contribution assumption: employee only about $69,328 at 4% or $46,218 at 6%; with 50% employer match about $46,218 at 4% or $30,812 at 6%; with 100% employer match about $34,664 at 4% or $23,109 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-19$1,042,380$52,689$2,773iApproximate average salary by contribution assumption: employee only about $69,328 at 4% or $46,218 at 6%; with 50% employer match about $46,218 at 4% or $30,812 at 6%; with 100% employer match about $34,664 at 4% or $23,109 at 6%.
2024117$1,308,390$199,645$11,744iApproximate average salary by contribution assumption: employee only about $293,596 at 4% or $195,730 at 6%; with 50% employer match about $195,730 at 4% or $130,487 at 6%; with 100% employer match about $146,798 at 4% or $97,865 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-17$1,308,390$199,645$11,744iApproximate average salary by contribution assumption: employee only about $293,596 at 4% or $195,730 at 6%; with 50% employer match about $195,730 at 4% or $130,487 at 6%; with 100% employer match about $146,798 at 4% or $97,865 at 6%.
2023115$1,022,906$196,064$13,071iApproximate average salary by contribution assumption: employee only about $326,773 at 4% or $217,849 at 6%; with 50% employer match about $217,849 at 4% or $145,233 at 6%; with 100% employer match about $163,387 at 4% or $108,924 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-15$1,022,906$196,064$13,071iApproximate average salary by contribution assumption: employee only about $326,773 at 4% or $217,849 at 6%; with 50% employer match about $217,849 at 4% or $145,233 at 6%; with 100% employer match about $163,387 at 4% or $108,924 at 6%.
2022115$737,871$47,617$3,174iApproximate average salary by contribution assumption: employee only about $79,362 at 4% or $52,908 at 6%; with 50% employer match about $52,908 at 4% or $35,272 at 6%; with 100% employer match about $39,681 at 4% or $26,454 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-15$737,871$47,617$3,174iApproximate average salary by contribution assumption: employee only about $79,362 at 4% or $52,908 at 6%; with 50% employer match about $52,908 at 4% or $35,272 at 6%; with 100% employer match about $39,681 at 4% or $26,454 at 6%.
2021116$833,042$69,096$4,319iApproximate average salary by contribution assumption: employee only about $107,963 at 4% or $71,975 at 6%; with 50% employer match about $71,975 at 4% or $47,983 at 6%; with 100% employer match about $53,981 at 4% or $35,988 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-16$833,042$69,096$4,319iApproximate average salary by contribution assumption: employee only about $107,963 at 4% or $71,975 at 6%; with 50% employer match about $71,975 at 4% or $47,983 at 6%; with 100% employer match about $53,981 at 4% or $35,988 at 6%.
2020114$688,347$55,978$3,998iApproximate average salary by contribution assumption: employee only about $99,961 at 4% or $66,640 at 6%; with 50% employer match about $66,640 at 4% or $44,427 at 6%; with 100% employer match about $49,980 at 4% or $33,320 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-14$688,347$55,978$3,998iApproximate average salary by contribution assumption: employee only about $99,961 at 4% or $66,640 at 6%; with 50% employer match about $66,640 at 4% or $44,427 at 6%; with 100% employer match about $49,980 at 4% or $33,320 at 6%.
2019114$609,338$206,869$14,776iApproximate average salary by contribution assumption: employee only about $369,409 at 4% or $246,273 at 6%; with 50% employer match about $246,273 at 4% or $164,182 at 6%; with 100% employer match about $184,704 at 4% or $123,136 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-14$609,338$206,869$14,776iApproximate average salary by contribution assumption: employee only about $369,409 at 4% or $246,273 at 6%; with 50% employer match about $246,273 at 4% or $164,182 at 6%; with 100% employer match about $184,704 at 4% or $123,136 at 6%.
2018114$349,433$53,123$3,795iApproximate average salary by contribution assumption: employee only about $94,863 at 4% or $63,242 at 6%; with 50% employer match about $63,242 at 4% or $42,161 at 6%; with 100% employer match about $47,431 at 4% or $31,621 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-14$349,433$53,123$3,795iApproximate average salary by contribution assumption: employee only about $94,863 at 4% or $63,242 at 6%; with 50% employer match about $63,242 at 4% or $42,161 at 6%; with 100% employer match about $47,431 at 4% or $31,621 at 6%.
2017113$404,567$79,474$6,113iApproximate average salary by contribution assumption: employee only about $152,835 at 4% or $101,890 at 6%; with 50% employer match about $101,890 at 4% or $67,926 at 6%; with 100% employer match about $76,417 at 4% or $50,945 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-13$404,567$79,474$6,113iApproximate average salary by contribution assumption: employee only about $152,835 at 4% or $101,890 at 6%; with 50% employer match about $101,890 at 4% or $67,926 at 6%; with 100% employer match about $76,417 at 4% or $50,945 at 6%.
2016116$425,384$48,089$3,006iApproximate average salary by contribution assumption: employee only about $75,139 at 4% or $50,093 at 6%; with 50% employer match about $50,093 at 4% or $33,395 at 6%; with 100% employer match about $37,570 at 4% or $25,046 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-16$425,384$48,089$3,006iApproximate average salary by contribution assumption: employee only about $75,139 at 4% or $50,093 at 6%; with 50% employer match about $50,093 at 4% or $33,395 at 6%; with 100% employer match about $37,570 at 4% or $25,046 at 6%.
2015114$370,501$89,094$6,364iApproximate average salary by contribution assumption: employee only about $159,096 at 4% or $106,064 at 6%; with 50% employer match about $106,064 at 4% or $70,710 at 6%; with 100% employer match about $79,548 at 4% or $53,032 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-14$370,501$89,094$6,364iApproximate average salary by contribution assumption: employee only about $159,096 at 4% or $106,064 at 6%; with 50% employer match about $106,064 at 4% or $70,710 at 6%; with 100% employer match about $79,548 at 4% or $53,032 at 6%.
2014111$293,434$49,767$4,524iApproximate average salary by contribution assumption: employee only about $113,107 at 4% or $75,405 at 6%; with 50% employer match about $75,405 at 4% or $50,270 at 6%; with 100% employer match about $56,553 at 4% or $37,702 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-11$293,434$49,767$4,524iApproximate average salary by contribution assumption: employee only about $113,107 at 4% or $75,405 at 6%; with 50% employer match about $75,405 at 4% or $50,270 at 6%; with 100% employer match about $56,553 at 4% or $37,702 at 6%.
2013111$253,280$50,219$4,565iApproximate average salary by contribution assumption: employee only about $114,134 at 4% or $76,089 at 6%; with 50% employer match about $76,089 at 4% or $50,726 at 6%; with 100% employer match about $57,067 at 4% or $38,045 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-11$253,280$50,219$4,565iApproximate average salary by contribution assumption: employee only about $114,134 at 4% or $76,089 at 6%; with 50% employer match about $76,089 at 4% or $50,726 at 6%; with 100% employer match about $57,067 at 4% or $38,045 at 6%.
2012111$190,196$50,413$4,583iApproximate average salary by contribution assumption: employee only about $114,575 at 4% or $76,383 at 6%; with 50% employer match about $76,383 at 4% or $50,922 at 6%; with 100% employer match about $57,288 at 4% or $38,192 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-11$190,196$50,413$4,583iApproximate average salary by contribution assumption: employee only about $114,575 at 4% or $76,383 at 6%; with 50% employer match about $76,383 at 4% or $50,922 at 6%; with 100% employer match about $57,288 at 4% or $38,192 at 6%.
2011112$145,519$79,185$6,599iApproximate average salary by contribution assumption: employee only about $164,969 at 4% or $109,979 at 6%; with 50% employer match about $109,979 at 4% or $73,319 at 6%; with 100% employer match about $82,484 at 4% or $54,990 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-12$145,519$79,185$6,599iApproximate average salary by contribution assumption: employee only about $164,969 at 4% or $109,979 at 6%; with 50% employer match about $109,979 at 4% or $73,319 at 6%; with 100% employer match about $82,484 at 4% or $54,990 at 6%.
2010110$69,868$68,974$6,897iApproximate average salary by contribution assumption: employee only about $172,435 at 4% or $114,957 at 6%; with 50% employer match about $114,957 at 4% or $76,638 at 6%; with 100% employer match about $86,218 at 4% or $57,478 at 6%.
Monadnock Security Systems Inc. 401(K) Plan-10$69,868$68,974$6,897iApproximate average salary by contribution assumption: employee only about $172,435 at 4% or $114,957 at 6%; with 50% employer match about $114,957 at 4% or $76,638 at 6%; with 100% employer match about $86,218 at 4% or $57,478 at 6%.