Civic Intelligence

Koss Corporation

Plan context: Koss Corporation Retirement Savings 401(K) Plan

EIN 39-1168275 • Milwaukee, WI • 111 filings • 9 plans

4129 North Port Washington AveMilwaukee, WI 53212
Current Snapshot

Latest Year

2024

2024 Participants

35

2024 Assets

$9,428,920

2024 Contributions

$396,200

Historical Graphs

Total Assets Over Time

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

$15,993,830$7,996,915$0199920132024YearValue
$9,428,920Latest year 2024

Participants Over Time

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

2021010199920122024YearValue
35Latest 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
2024235$9,428,920$396,200$11,320iApproximate average salary by contribution assumption: employee only about $283,000 at 4% or $188,667 at 6%; with 50% employer match about $188,667 at 4% or $125,778 at 6%; with 100% employer match about $141,500 at 4% or $94,333 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-35$7,853,103$396,200$11,320iApproximate average salary by contribution assumption: employee only about $283,000 at 4% or $188,667 at 6%; with 50% employer match about $188,667 at 4% or $125,778 at 6%; with 100% employer match about $141,500 at 4% or $94,333 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-25$1,575,817--
2023235$8,464,476$404,152$11,547iApproximate average salary by contribution assumption: employee only about $288,680 at 4% or $192,453 at 6%; with 50% employer match about $192,453 at 4% or $128,302 at 6%; with 100% employer match about $144,340 at 4% or $96,227 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-35$7,088,827$404,152$11,547iApproximate average salary by contribution assumption: employee only about $288,680 at 4% or $192,453 at 6%; with 50% employer match about $192,453 at 4% or $128,302 at 6%; with 100% employer match about $144,340 at 4% or $96,227 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-25$1,375,649--
2022235$7,071,383$464,929$13,284iApproximate average salary by contribution assumption: employee only about $332,092 at 4% or $221,395 at 6%; with 50% employer match about $221,395 at 4% or $147,597 at 6%; with 100% employer match about $166,046 at 4% or $110,697 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-35$5,927,585$464,929$13,284iApproximate average salary by contribution assumption: employee only about $332,092 at 4% or $221,395 at 6%; with 50% employer match about $221,395 at 4% or $147,597 at 6%; with 100% employer match about $166,046 at 4% or $110,697 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-26$1,143,798--
2021236$7,590,981$446,568$12,405iApproximate average salary by contribution assumption: employee only about $310,117 at 4% or $206,744 at 6%; with 50% employer match about $206,744 at 4% or $137,830 at 6%; with 100% employer match about $155,058 at 4% or $103,372 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-36$5,397,785$446,568$12,405iApproximate average salary by contribution assumption: employee only about $310,117 at 4% or $206,744 at 6%; with 50% employer match about $206,744 at 4% or $137,830 at 6%; with 100% employer match about $155,058 at 4% or $103,372 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-29$2,193,196--
2020238$15,993,830$397,400$10,458iApproximate average salary by contribution assumption: employee only about $261,447 at 4% or $174,298 at 6%; with 50% employer match about $174,298 at 4% or $116,199 at 6%; with 100% employer match about $130,724 at 4% or $87,149 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-31$9,149,419--
Koss Corporation Retirement Savings 401(K) Plan-38$6,844,411$397,400$10,458iApproximate average salary by contribution assumption: employee only about $261,447 at 4% or $174,298 at 6%; with 50% employer match about $174,298 at 4% or $116,199 at 6%; with 100% employer match about $130,724 at 4% or $87,149 at 6%.
2019239$5,804,576$588,675$15,094iApproximate average salary by contribution assumption: employee only about $377,356 at 4% or $251,571 at 6%; with 50% employer match about $251,571 at 4% or $167,714 at 6%; with 100% employer match about $188,678 at 4% or $125,785 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-39$5,268,387$588,675$15,094iApproximate average salary by contribution assumption: employee only about $377,356 at 4% or $251,571 at 6%; with 50% employer match about $251,571 at 4% or $167,714 at 6%; with 100% employer match about $188,678 at 4% or $125,785 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-31$536,189--
2018239$7,172,282$480,509$12,321iApproximate average salary by contribution assumption: employee only about $308,019 at 4% or $205,346 at 6%; with 50% employer match about $205,346 at 4% or $136,897 at 6%; with 100% employer match about $154,009 at 4% or $102,673 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-39$6,380,276$480,509$12,321iApproximate average salary by contribution assumption: employee only about $308,019 at 4% or $205,346 at 6%; with 50% employer match about $205,346 at 4% or $136,897 at 6%; with 100% employer match about $154,009 at 4% or $102,673 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-31$792,006--
2017233$8,545,604$653,138$19,792iApproximate average salary by contribution assumption: employee only about $494,802 at 4% or $329,868 at 6%; with 50% employer match about $329,868 at 4% or $219,912 at 6%; with 100% employer match about $247,401 at 4% or $164,934 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-33$7,536,758$653,138$19,792iApproximate average salary by contribution assumption: employee only about $494,802 at 4% or $329,868 at 6%; with 50% employer match about $329,868 at 4% or $219,912 at 6%; with 100% employer match about $247,401 at 4% or $164,934 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-33$1,008,846--
2016235$9,451,074$754,045$21,544iApproximate average salary by contribution assumption: employee only about $538,604 at 4% or $359,069 at 6%; with 50% employer match about $359,069 at 4% or $239,379 at 6%; with 100% employer match about $269,302 at 4% or $179,535 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-35$8,563,907$754,045$21,544iApproximate average salary by contribution assumption: employee only about $538,604 at 4% or $359,069 at 6%; with 50% employer match about $359,069 at 4% or $239,379 at 6%; with 100% employer match about $269,302 at 4% or $179,535 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-35$887,167--
2015654$9,816,795$560,625$10,382iApproximate average salary by contribution assumption: employee only about $259,549 at 4% or $173,032 at 6%; with 50% employer match about $173,032 at 4% or $115,355 at 6%; with 100% employer match about $129,774 at 4% or $86,516 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-53$8,757,553$560,625$10,578iApproximate average salary by contribution assumption: employee only about $264,446 at 4% or $176,297 at 6%; with 50% employer match about $176,297 at 4% or $117,531 at 6%; with 100% employer match about $132,223 at 4% or $88,149 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-50$1,059,242--
Koss Corporation Health Plan-41---
Koss Corporation Long Term Disability-54---
Koss Corporation Dental Health Plan-54---
Koss Corporation Life Insurance Plan-54---
2014653$9,752,229$456,765$8,618iApproximate average salary by contribution assumption: employee only about $215,455 at 4% or $143,637 at 6%; with 50% employer match about $143,637 at 4% or $95,758 at 6%; with 100% employer match about $107,728 at 4% or $71,818 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-52$8,491,951$456,765$8,784iApproximate average salary by contribution assumption: employee only about $219,599 at 4% or $146,399 at 6%; with 50% employer match about $146,399 at 4% or $97,599 at 6%; with 100% employer match about $109,799 at 4% or $73,200 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-42$1,260,278--
Koss Corporation Health Plan-30---
Koss Corporation Long Term Disability-53---
Koss Corporation Dental Health Plan-53---
Koss Corporation Life Insurance Plan-53---
2013661$10,348,736$862,380$14,137iApproximate average salary by contribution assumption: employee only about $353,434 at 4% or $235,623 at 6%; with 50% employer match about $235,623 at 4% or $157,082 at 6%; with 100% employer match about $176,717 at 4% or $117,811 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-61$8,591,438$862,380$14,137iApproximate average salary by contribution assumption: employee only about $353,434 at 4% or $235,623 at 6%; with 50% employer match about $235,623 at 4% or $157,082 at 6%; with 100% employer match about $176,717 at 4% or $117,811 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-52$1,757,298--
Koss Corporation Health Plan-35---
Koss Corporation Long Term Disability-55---
Koss Corporation Dental Health Plan-55---
Koss Corporation Life Insurance Plan-55---
2012659$12,495,557$913,861$15,489iApproximate average salary by contribution assumption: employee only about $387,229 at 4% or $258,153 at 6%; with 50% employer match about $258,153 at 4% or $172,102 at 6%; with 100% employer match about $193,615 at 4% or $129,076 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-59$9,592,233$913,861$15,489iApproximate average salary by contribution assumption: employee only about $387,229 at 4% or $258,153 at 6%; with 50% employer match about $258,153 at 4% or $172,102 at 6%; with 100% employer match about $193,615 at 4% or $129,076 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-50$2,903,324--
Koss Corporation Long Term Disability-53---
Koss Corporation Health Plan-34---
Koss Corporation Dental Health Plan-53---
Koss Corporation Life Insurance Plan-53---
2011652$11,417,887$896,468$17,240iApproximate average salary by contribution assumption: employee only about $430,994 at 4% or $287,329 at 6%; with 50% employer match about $287,329 at 4% or $191,553 at 6%; with 100% employer match about $215,497 at 4% or $143,665 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-50$8,237,376$896,468$17,929iApproximate average salary by contribution assumption: employee only about $448,234 at 4% or $298,823 at 6%; with 50% employer match about $298,823 at 4% or $199,215 at 6%; with 100% employer match about $224,117 at 4% or $149,411 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-48$3,180,511--
Koss Corporation Health Plan-33---
Koss Corporation Long Term Disability-52---
Koss Corporation Dental Health Plan-52---
Koss Corporation Life Insurance Plan-52---
2010677$12,078,424$776,896$10,090iApproximate average salary by contribution assumption: employee only about $252,239 at 4% or $168,159 at 6%; with 50% employer match about $168,159 at 4% or $112,106 at 6%; with 100% employer match about $126,119 at 4% or $84,080 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-63$8,232,277$776,896$12,332iApproximate average salary by contribution assumption: employee only about $308,292 at 4% or $205,528 at 6%; with 50% employer match about $205,528 at 4% or $137,019 at 6%; with 100% employer match about $154,146 at 4% or $102,764 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-59$3,846,147--
Koss Corporation Health Plan-39---
Koss Corporation Long Term Disability-63---
Koss Corporation Dental Health Plan-64---
Koss Corporation Life Insurance Plan-77---
2009669$10,445,505$759,431$11,006iApproximate average salary by contribution assumption: employee only about $275,156 at 4% or $183,437 at 6%; with 50% employer match about $183,437 at 4% or $122,292 at 6%; with 100% employer match about $137,578 at 4% or $91,719 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-60$7,163,117$754,431$12,574iApproximate average salary by contribution assumption: employee only about $314,346 at 4% or $209,564 at 6%; with 50% employer match about $209,564 at 4% or $139,709 at 6%; with 100% employer match about $157,173 at 4% or $104,782 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-55$3,282,388$5,000$91iApproximate average salary by contribution assumption: employee only about $2,273 at 4% or $1,515 at 6%; with 50% employer match about $1,515 at 4% or $1,010 at 6%; with 100% employer match about $1,136 at 4% or $758 at 6%.
Koss Corporation Health Plan-43---
Koss Corporation Long Term Disability-69---
Koss Corporation Dental Health Plan-69---
Koss Corporation Life Insurance Plan-69---
20086178$0$0-
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-67---
Koss Corporation Retirement Savings 401(K) Plan-69---
Koss Corporation Life Insurance Plan-88---
Koss Corporation Long Term Disability-72---
Koss Corporation Dental Health Plan-178---
Koss Corporation Health Plan-44---
2007272$12,758,157$831,440$11,548iApproximate average salary by contribution assumption: employee only about $288,694 at 4% or $192,463 at 6%; with 50% employer match about $192,463 at 4% or $128,309 at 6%; with 100% employer match about $144,347 at 4% or $96,231 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-72$7,388,078$730,948$10,152iApproximate average salary by contribution assumption: employee only about $253,801 at 4% or $169,201 at 6%; with 50% employer match about $169,201 at 4% or $112,801 at 6%; with 100% employer match about $126,901 at 4% or $84,600 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-68$5,370,079$100,492$1,478iApproximate average salary by contribution assumption: employee only about $36,946 at 4% or $24,630 at 6%; with 50% employer match about $24,630 at 4% or $16,420 at 6%; with 100% employer match about $18,473 at 4% or $12,315 at 6%.
20066198$13,455,238$733,685$3,705iApproximate average salary by contribution assumption: employee only about $92,637 at 4% or $61,758 at 6%; with 50% employer match about $61,758 at 4% or $41,172 at 6%; with 100% employer match about $46,318 at 4% or $30,879 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-92$7,176,707$652,964$7,097iApproximate average salary by contribution assumption: employee only about $177,436 at 4% or $118,291 at 6%; with 50% employer match about $118,291 at 4% or $78,860 at 6%; with 100% employer match about $88,718 at 4% or $59,145 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-75$6,278,531$80,721$1,076iApproximate average salary by contribution assumption: employee only about $26,907 at 4% or $17,938 at 6%; with 50% employer match about $17,938 at 4% or $11,959 at 6%; with 100% employer match about $13,454 at 4% or $8,969 at 6%.
Koss Corporation Life Insurance Plan-96---
Koss Corporation Dental Health Plan-198---
Koss Corporation Long Term Disability-67---
Koss Corporation Health Plan-62---
2005699$9,055,767$50,000$505iApproximate average salary by contribution assumption: employee only about $12,626 at 4% or $8,418 at 6%; with 50% employer match about $8,418 at 4% or $5,612 at 6%; with 100% employer match about $6,313 at 4% or $4,209 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-75$9,055,767$50,000$667iApproximate average salary by contribution assumption: employee only about $16,667 at 4% or $11,111 at 6%; with 50% employer match about $11,111 at 4% or $7,407 at 6%; with 100% employer match about $8,333 at 4% or $5,556 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-78---
Koss Corporation Long Term Disability-72---
Koss Corporation Life Insurance Plan-99---
Koss Corporation Dental Health Plan-50---
Koss Corporation Health Plan-69---
20046101$12,578,981$867,561$8,590iApproximate average salary by contribution assumption: employee only about $214,743 at 4% or $143,162 at 6%; with 50% employer match about $143,162 at 4% or $95,441 at 6%; with 100% employer match about $107,371 at 4% or $71,581 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-83$6,728,316$54,173$653iApproximate average salary by contribution assumption: employee only about $16,317 at 4% or $10,878 at 6%; with 50% employer match about $10,878 at 4% or $7,252 at 6%; with 100% employer match about $8,159 at 4% or $5,439 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-82$5,850,665$813,388$9,919iApproximate average salary by contribution assumption: employee only about $247,984 at 4% or $165,323 at 6%; with 50% employer match about $165,323 at 4% or $110,215 at 6%; with 100% employer match about $123,992 at 4% or $82,661 at 6%.
Koss Corporation Long Term Disability-92---
Koss Corporation Dental Health Plan-101---
Koss Corporation Life Insurance Plan-98---
Koss Corporation Health Plan-65---
20036104$13,884,277$563,314$5,416iApproximate average salary by contribution assumption: employee only about $135,412 at 4% or $90,275 at 6%; with 50% employer match about $90,275 at 4% or $60,183 at 6%; with 100% employer match about $67,706 at 4% or $45,137 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-96$8,659,444--
Koss Corporation Retirement Savings 401(K) Plan-102$5,224,833$563,314$5,523iApproximate average salary by contribution assumption: employee only about $138,067 at 4% or $92,045 at 6%; with 50% employer match about $92,045 at 4% or $61,363 at 6%; with 100% employer match about $69,034 at 4% or $46,022 at 6%.
Koss Corporation Long Term Disability-98---
Koss Corporation Dental Health Plan-104---
Koss Corporation Health Plan-70---
Koss Corporation Life Insurance Plan-104---
2002699$0$0-
Koss Corporation Retirement Savings 401(K) Plan-98---
Koss Corporation Life Insurance Plan-99---
Koss Corporation Dental Health Plan-99---
Koss Corporation Health Plan-99---
Koss Corporation Long Term Disability-94---
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-93---
20016154$10,702,818$496,634$3,225iApproximate average salary by contribution assumption: employee only about $80,622 at 4% or $53,748 at 6%; with 50% employer match about $53,748 at 4% or $35,832 at 6%; with 100% employer match about $40,311 at 4% or $26,874 at 6%.
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-105$7,080,483$74,000$705iApproximate average salary by contribution assumption: employee only about $17,619 at 4% or $11,746 at 6%; with 50% employer match about $11,746 at 4% or $7,831 at 6%; with 100% employer match about $8,810 at 4% or $5,873 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-115$3,622,335$422,634$3,675iApproximate average salary by contribution assumption: employee only about $91,877 at 4% or $61,251 at 6%; with 50% employer match about $61,251 at 4% or $40,834 at 6%; with 100% employer match about $45,938 at 4% or $30,626 at 6%.
Koss Corporation Life Insurance Plan-105---
Koss Corporation Dental Health Plan-154---
Koss Corporation Long Term Disability-96---
Koss Corporation Health Plan-119---
20006202$0$0-
Koss Corporation Life Insurance Plan-114---
Koss Corporation Dental Health Plan-202---
Koss Corporation Long Term Disability-105---
Koss Corporation Health Plan-130---
Koss Corporation Retirement Savings 401(K) Plan-111---
Koss Corporation Employee Stock Ownership Plan and Trust Agreement-97---
19991122$3,513,017$321,040$2,631iApproximate average salary by contribution assumption: employee only about $65,787 at 4% or $43,858 at 6%; with 50% employer match about $43,858 at 4% or $29,239 at 6%; with 100% employer match about $32,893 at 4% or $21,929 at 6%.
Koss Corporation Retirement Savings 401(K) Plan-122$3,513,017$321,040$2,631iApproximate average salary by contribution assumption: employee only about $65,787 at 4% or $43,858 at 6%; with 50% employer match about $43,858 at 4% or $29,239 at 6%; with 100% employer match about $32,893 at 4% or $21,929 at 6%.