Civic Intelligence

Sourcebooks Inc.

Plan context: Sourcebooks 401K Plan

EIN 36-3547944 • Naperville, IL • 25 filings • 4 plans

1935 Brookdale Road, Suite 139Naperville, IL 60563
Current Snapshot

Latest Year

2024

2024 Participants

287

2024 Assets

$20,101,759

2024 Contributions

$4,557,235

Historical Graphs

Total Assets Over Time

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

$20,101,759$10,050,880$0199920132024YearValue
$20,101,759Latest year 2024

Participants Over Time

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

2871440199920122024YearValue
287Latest 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
20241287$20,101,759$4,557,235$15,879iApproximate average salary by contribution assumption: employee only about $396,972 at 4% or $264,648 at 6%; with 50% employer match about $264,648 at 4% or $176,432 at 6%; with 100% employer match about $198,486 at 4% or $132,324 at 6%.
Sourcebooks 401K Plan-287$20,101,759$4,557,235$15,879iApproximate average salary by contribution assumption: employee only about $396,972 at 4% or $264,648 at 6%; with 50% employer match about $264,648 at 4% or $176,432 at 6%; with 100% employer match about $198,486 at 4% or $132,324 at 6%.
20231251$14,676,101$2,548,081$10,152iApproximate average salary by contribution assumption: employee only about $253,793 at 4% or $169,195 at 6%; with 50% employer match about $169,195 at 4% or $112,797 at 6%; with 100% employer match about $126,896 at 4% or $84,598 at 6%.
Sourcebooks 401K Plan-251$14,676,101$2,548,081$10,152iApproximate average salary by contribution assumption: employee only about $253,793 at 4% or $169,195 at 6%; with 50% employer match about $169,195 at 4% or $112,797 at 6%; with 100% employer match about $126,896 at 4% or $84,598 at 6%.
20221175$10,347,711$1,494,424$8,540iApproximate average salary by contribution assumption: employee only about $213,489 at 4% or $142,326 at 6%; with 50% employer match about $142,326 at 4% or $94,884 at 6%; with 100% employer match about $106,745 at 4% or $71,163 at 6%.
Sourcebooks 401K Plan-175$10,347,711$1,494,424$8,540iApproximate average salary by contribution assumption: employee only about $213,489 at 4% or $142,326 at 6%; with 50% employer match about $142,326 at 4% or $94,884 at 6%; with 100% employer match about $106,745 at 4% or $71,163 at 6%.
20211148$11,670,344$1,127,090$7,615iApproximate average salary by contribution assumption: employee only about $190,387 at 4% or $126,925 at 6%; with 50% employer match about $126,925 at 4% or $84,616 at 6%; with 100% employer match about $95,193 at 4% or $63,462 at 6%.
Sourcebooks 401K Plan-148$11,670,344$1,127,090$7,615iApproximate average salary by contribution assumption: employee only about $190,387 at 4% or $126,925 at 6%; with 50% employer match about $126,925 at 4% or $84,616 at 6%; with 100% employer match about $95,193 at 4% or $63,462 at 6%.
20201145$9,345,698$931,965$6,427iApproximate average salary by contribution assumption: employee only about $160,684 at 4% or $107,122 at 6%; with 50% employer match about $107,122 at 4% or $71,415 at 6%; with 100% employer match about $80,342 at 4% or $53,561 at 6%.
Sourcebooks 401K Plan-145$9,345,698$931,965$6,427iApproximate average salary by contribution assumption: employee only about $160,684 at 4% or $107,122 at 6%; with 50% employer match about $107,122 at 4% or $71,415 at 6%; with 100% employer match about $80,342 at 4% or $53,561 at 6%.
20191124$7,246,802$760,880$6,136iApproximate average salary by contribution assumption: employee only about $153,403 at 4% or $102,269 at 6%; with 50% employer match about $102,269 at 4% or $68,179 at 6%; with 100% employer match about $76,702 at 4% or $51,134 at 6%.
Sourcebooks 401K Plan-124$7,246,802$760,880$6,136iApproximate average salary by contribution assumption: employee only about $153,403 at 4% or $102,269 at 6%; with 50% employer match about $102,269 at 4% or $68,179 at 6%; with 100% employer match about $76,702 at 4% or $51,134 at 6%.
20181119$5,885,757$705,953$5,932iApproximate average salary by contribution assumption: employee only about $148,309 at 4% or $98,873 at 6%; with 50% employer match about $98,873 at 4% or $65,915 at 6%; with 100% employer match about $74,155 at 4% or $49,436 at 6%.
Sourcebooks 401K Plan-119$5,885,757$705,953$5,932iApproximate average salary by contribution assumption: employee only about $148,309 at 4% or $98,873 at 6%; with 50% employer match about $98,873 at 4% or $65,915 at 6%; with 100% employer match about $74,155 at 4% or $49,436 at 6%.
20171116$5,872,028$754,473$6,504iApproximate average salary by contribution assumption: employee only about $162,602 at 4% or $108,401 at 6%; with 50% employer match about $108,401 at 4% or $72,268 at 6%; with 100% employer match about $81,301 at 4% or $54,201 at 6%.
Sourcebooks 401K Plan-116$5,872,028$754,473$6,504iApproximate average salary by contribution assumption: employee only about $162,602 at 4% or $108,401 at 6%; with 50% employer match about $108,401 at 4% or $72,268 at 6%; with 100% employer match about $81,301 at 4% or $54,201 at 6%.
20161111$4,729,042$638,232$5,750iApproximate average salary by contribution assumption: employee only about $143,746 at 4% or $95,831 at 6%; with 50% employer match about $95,831 at 4% or $63,887 at 6%; with 100% employer match about $71,873 at 4% or $47,915 at 6%.
Sourcebooks 401K Plan-111$4,729,042$638,232$5,750iApproximate average salary by contribution assumption: employee only about $143,746 at 4% or $95,831 at 6%; with 50% employer match about $95,831 at 4% or $63,887 at 6%; with 100% employer match about $71,873 at 4% or $47,915 at 6%.
2015197$3,840,276$530,567$5,470iApproximate average salary by contribution assumption: employee only about $136,744 at 4% or $91,163 at 6%; with 50% employer match about $91,163 at 4% or $60,775 at 6%; with 100% employer match about $68,372 at 4% or $45,581 at 6%.
Sourcebooks 401K Plan-97$3,840,276$530,567$5,470iApproximate average salary by contribution assumption: employee only about $136,744 at 4% or $91,163 at 6%; with 50% employer match about $91,163 at 4% or $60,775 at 6%; with 100% employer match about $68,372 at 4% or $45,581 at 6%.
2014190$3,610,934$444,506$4,939iApproximate average salary by contribution assumption: employee only about $123,474 at 4% or $82,316 at 6%; with 50% employer match about $82,316 at 4% or $54,877 at 6%; with 100% employer match about $61,737 at 4% or $41,158 at 6%.
Sourcebooks 401K Plan-90$3,610,934$444,506$4,939iApproximate average salary by contribution assumption: employee only about $123,474 at 4% or $82,316 at 6%; with 50% employer match about $82,316 at 4% or $54,877 at 6%; with 100% employer match about $61,737 at 4% or $41,158 at 6%.
2013191$3,067,410$782,270$8,596iApproximate average salary by contribution assumption: employee only about $214,909 at 4% or $143,273 at 6%; with 50% employer match about $143,273 at 4% or $95,515 at 6%; with 100% employer match about $107,455 at 4% or $71,636 at 6%.
Sourcebooks 401K Plan-91$3,067,410$782,270$8,596iApproximate average salary by contribution assumption: employee only about $214,909 at 4% or $143,273 at 6%; with 50% employer match about $143,273 at 4% or $95,515 at 6%; with 100% employer match about $107,455 at 4% or $71,636 at 6%.
2012171$1,995,087$344,882$4,857iApproximate average salary by contribution assumption: employee only about $121,437 at 4% or $80,958 at 6%; with 50% employer match about $80,958 at 4% or $53,972 at 6%; with 100% employer match about $60,719 at 4% or $40,479 at 6%.
Sourcebooks 401K Plan-71$1,995,087$344,882$4,857iApproximate average salary by contribution assumption: employee only about $121,437 at 4% or $80,958 at 6%; with 50% employer match about $80,958 at 4% or $53,972 at 6%; with 100% employer match about $60,719 at 4% or $40,479 at 6%.
2011155$1,541,962$268,664$4,885iApproximate average salary by contribution assumption: employee only about $122,120 at 4% or $81,413 at 6%; with 50% employer match about $81,413 at 4% or $54,276 at 6%; with 100% employer match about $61,060 at 4% or $40,707 at 6%.
Sourcebooks 401K Plan-55$1,541,962$268,664$4,885iApproximate average salary by contribution assumption: employee only about $122,120 at 4% or $81,413 at 6%; with 50% employer match about $81,413 at 4% or $54,276 at 6%; with 100% employer match about $61,060 at 4% or $40,707 at 6%.
2010155$1,407,357$245,956$4,472iApproximate average salary by contribution assumption: employee only about $111,798 at 4% or $74,532 at 6%; with 50% employer match about $74,532 at 4% or $49,688 at 6%; with 100% employer match about $55,899 at 4% or $37,266 at 6%.
Sourcebooks 401K Plan-55$1,407,357$245,956$4,472iApproximate average salary by contribution assumption: employee only about $111,798 at 4% or $74,532 at 6%; with 50% employer match about $74,532 at 4% or $49,688 at 6%; with 100% employer match about $55,899 at 4% or $37,266 at 6%.
2009152$1,045,032$183,357$3,526iApproximate average salary by contribution assumption: employee only about $88,152 at 4% or $58,768 at 6%; with 50% employer match about $58,768 at 4% or $39,179 at 6%; with 100% employer match about $44,076 at 4% or $29,384 at 6%.
Sourcebooks 401K Plan-52$1,045,032$183,357$3,526iApproximate average salary by contribution assumption: employee only about $88,152 at 4% or $58,768 at 6%; with 50% employer match about $58,768 at 4% or $39,179 at 6%; with 100% employer match about $44,076 at 4% or $29,384 at 6%.
2008134$720,875$225,899$6,644iApproximate average salary by contribution assumption: employee only about $166,102 at 4% or $110,735 at 6%; with 50% employer match about $110,735 at 4% or $73,823 at 6%; with 100% employer match about $83,051 at 4% or $55,367 at 6%.
Sourcebooks 401K Plan-34$720,875$225,899$6,644iApproximate average salary by contribution assumption: employee only about $166,102 at 4% or $110,735 at 6%; with 50% employer match about $110,735 at 4% or $73,823 at 6%; with 100% employer match about $83,051 at 4% or $55,367 at 6%.
2007140$0$0-
Sourcebooks 401K Plan-40---
2006129$863,120$176,526$6,087iApproximate average salary by contribution assumption: employee only about $152,178 at 4% or $101,452 at 6%; with 50% employer match about $101,452 at 4% or $67,634 at 6%; with 100% employer match about $76,089 at 4% or $50,726 at 6%.
Sourcebooks 401K Plan-29$863,120$176,526$6,087iApproximate average salary by contribution assumption: employee only about $152,178 at 4% or $101,452 at 6%; with 50% employer match about $101,452 at 4% or $67,634 at 6%; with 100% employer match about $76,089 at 4% or $50,726 at 6%.
2005131$682,739$157,572$5,083iApproximate average salary by contribution assumption: employee only about $127,074 at 4% or $84,716 at 6%; with 50% employer match about $84,716 at 4% or $56,477 at 6%; with 100% employer match about $63,537 at 4% or $42,358 at 6%.
Sourcebooks 401K Plan-31$682,739$157,572$5,083iApproximate average salary by contribution assumption: employee only about $127,074 at 4% or $84,716 at 6%; with 50% employer match about $84,716 at 4% or $56,477 at 6%; with 100% employer match about $63,537 at 4% or $42,358 at 6%.
2004129$624,775$140,063$4,830iApproximate average salary by contribution assumption: employee only about $120,744 at 4% or $80,496 at 6%; with 50% employer match about $80,496 at 4% or $53,664 at 6%; with 100% employer match about $60,372 at 4% or $40,248 at 6%.
Sourcebooks 401K Plan-29$624,775$140,063$4,830iApproximate average salary by contribution assumption: employee only about $120,744 at 4% or $80,496 at 6%; with 50% employer match about $80,496 at 4% or $53,664 at 6%; with 100% employer match about $60,372 at 4% or $40,248 at 6%.
2003126$453,050$127,756$4,914iApproximate average salary by contribution assumption: employee only about $122,842 at 4% or $81,895 at 6%; with 50% employer match about $81,895 at 4% or $54,597 at 6%; with 100% employer match about $61,421 at 4% or $40,947 at 6%.
Sourcebooks 401K Plan-26$453,050$127,756$4,914iApproximate average salary by contribution assumption: employee only about $122,842 at 4% or $81,895 at 6%; with 50% employer match about $81,895 at 4% or $54,597 at 6%; with 100% employer match about $61,421 at 4% or $40,947 at 6%.
2002132$327,619$145,375$4,543iApproximate average salary by contribution assumption: employee only about $113,574 at 4% or $75,716 at 6%; with 50% employer match about $75,716 at 4% or $50,477 at 6%; with 100% employer match about $56,787 at 4% or $37,858 at 6%.
Sourcebooks 401K Plan-32$327,619$145,375$4,543iApproximate average salary by contribution assumption: employee only about $113,574 at 4% or $75,716 at 6%; with 50% employer match about $75,716 at 4% or $50,477 at 6%; with 100% employer match about $56,787 at 4% or $37,858 at 6%.
2001136$261,721$156,519$4,348iApproximate average salary by contribution assumption: employee only about $108,694 at 4% or $72,463 at 6%; with 50% employer match about $72,463 at 4% or $48,308 at 6%; with 100% employer match about $54,347 at 4% or $36,231 at 6%.
Sourcebooks 401K Plan-36$261,721$156,519$4,348iApproximate average salary by contribution assumption: employee only about $108,694 at 4% or $72,463 at 6%; with 50% employer match about $72,463 at 4% or $48,308 at 6%; with 100% employer match about $54,347 at 4% or $36,231 at 6%.
1999123$205,023$61,706$2,683iApproximate average salary by contribution assumption: employee only about $67,072 at 4% or $44,714 at 6%; with 50% employer match about $44,714 at 4% or $29,810 at 6%; with 100% employer match about $33,536 at 4% or $22,357 at 6%.
Sourcebooks 401K Plan-23$205,023$61,706$2,683iApproximate average salary by contribution assumption: employee only about $67,072 at 4% or $44,714 at 6%; with 50% employer match about $44,714 at 4% or $29,810 at 6%; with 100% employer match about $33,536 at 4% or $22,357 at 6%.