Civic Intelligence

Windowsill Inc.

Plan context: Windowsill Inc. 401(K) Profit Sharing Plan Trust

EIN 20-8953280 • Chicago, IL • 17 filings • 3 plans

333 N. Michigan AvenueSuite 3100Chicago, IL 60601
Current Snapshot

Latest Year

2025

2025 Participants

4

2025 Assets

$133,413

2025 Contributions

$31,028

Historical Graphs

Total Assets Over Time

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

$608,621$304,311$0200920172025YearValue
$133,413Latest year 2025

Participants Over Time

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

530200920172025YearValue
4Latest 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
202514$133,413$31,028$7,757iApproximate average salary by contribution assumption: employee only about $193,925 at 4% or $129,283 at 6%; with 50% employer match about $129,283 at 4% or $86,189 at 6%; with 100% employer match about $96,963 at 4% or $64,642 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-4$133,413$31,028$7,757iApproximate average salary by contribution assumption: employee only about $193,925 at 4% or $129,283 at 6%; with 50% employer match about $129,283 at 4% or $86,189 at 6%; with 100% employer match about $96,963 at 4% or $64,642 at 6%.
202415$88,299$29,427$5,885iApproximate average salary by contribution assumption: employee only about $147,135 at 4% or $98,090 at 6%; with 50% employer match about $98,090 at 4% or $65,393 at 6%; with 100% employer match about $73,568 at 4% or $49,045 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-5$88,299$29,427$5,885iApproximate average salary by contribution assumption: employee only about $147,135 at 4% or $98,090 at 6%; with 50% employer match about $98,090 at 4% or $65,393 at 6%; with 100% employer match about $73,568 at 4% or $49,045 at 6%.
202314$52,961$34,643$8,661iApproximate average salary by contribution assumption: employee only about $216,519 at 4% or $144,346 at 6%; with 50% employer match about $144,346 at 4% or $96,231 at 6%; with 100% employer match about $108,259 at 4% or $72,173 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-4$52,961$34,643$8,661iApproximate average salary by contribution assumption: employee only about $216,519 at 4% or $144,346 at 6%; with 50% employer match about $144,346 at 4% or $96,231 at 6%; with 100% employer match about $108,259 at 4% or $72,173 at 6%.
202214$562,893$34,089$8,522iApproximate average salary by contribution assumption: employee only about $213,056 at 4% or $142,038 at 6%; with 50% employer match about $142,038 at 4% or $94,692 at 6%; with 100% employer match about $106,528 at 4% or $71,019 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-4$562,893$34,089$8,522iApproximate average salary by contribution assumption: employee only about $213,056 at 4% or $142,038 at 6%; with 50% employer match about $142,038 at 4% or $94,692 at 6%; with 100% employer match about $106,528 at 4% or $71,019 at 6%.
202113$608,621$32,105$10,702iApproximate average salary by contribution assumption: employee only about $267,542 at 4% or $178,361 at 6%; with 50% employer match about $178,361 at 4% or $118,907 at 6%; with 100% employer match about $133,771 at 4% or $89,181 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$608,621$32,105$10,702iApproximate average salary by contribution assumption: employee only about $267,542 at 4% or $178,361 at 6%; with 50% employer match about $178,361 at 4% or $118,907 at 6%; with 100% employer match about $133,771 at 4% or $89,181 at 6%.
202013$524,641$32,195$10,732iApproximate average salary by contribution assumption: employee only about $268,292 at 4% or $178,861 at 6%; with 50% employer match about $178,861 at 4% or $119,241 at 6%; with 100% employer match about $134,146 at 4% or $89,431 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$524,641$32,195$10,732iApproximate average salary by contribution assumption: employee only about $268,292 at 4% or $178,861 at 6%; with 50% employer match about $178,861 at 4% or $119,241 at 6%; with 100% employer match about $134,146 at 4% or $89,431 at 6%.
201913$441,277$32,690$10,897iApproximate average salary by contribution assumption: employee only about $272,417 at 4% or $181,611 at 6%; with 50% employer match about $181,611 at 4% or $121,074 at 6%; with 100% employer match about $136,208 at 4% or $90,806 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$441,277$32,690$10,897iApproximate average salary by contribution assumption: employee only about $272,417 at 4% or $181,611 at 6%; with 50% employer match about $181,611 at 4% or $121,074 at 6%; with 100% employer match about $136,208 at 4% or $90,806 at 6%.
201813$340,625$33,011$11,004iApproximate average salary by contribution assumption: employee only about $275,092 at 4% or $183,394 at 6%; with 50% employer match about $183,394 at 4% or $122,263 at 6%; with 100% employer match about $137,546 at 4% or $91,697 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$340,625$33,011$11,004iApproximate average salary by contribution assumption: employee only about $275,092 at 4% or $183,394 at 6%; with 50% employer match about $183,394 at 4% or $122,263 at 6%; with 100% employer match about $137,546 at 4% or $91,697 at 6%.
201713$333,083$32,287$10,762iApproximate average salary by contribution assumption: employee only about $269,058 at 4% or $179,372 at 6%; with 50% employer match about $179,372 at 4% or $119,581 at 6%; with 100% employer match about $134,529 at 4% or $89,686 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$333,083$32,287$10,762iApproximate average salary by contribution assumption: employee only about $269,058 at 4% or $179,372 at 6%; with 50% employer match about $179,372 at 4% or $119,581 at 6%; with 100% employer match about $134,529 at 4% or $89,686 at 6%.
201613$252,136$32,181$10,727iApproximate average salary by contribution assumption: employee only about $268,175 at 4% or $178,783 at 6%; with 50% employer match about $178,783 at 4% or $119,189 at 6%; with 100% employer match about $134,088 at 4% or $89,392 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$252,136$32,181$10,727iApproximate average salary by contribution assumption: employee only about $268,175 at 4% or $178,783 at 6%; with 50% employer match about $178,783 at 4% or $119,189 at 6%; with 100% employer match about $134,088 at 4% or $89,392 at 6%.
201513$205,096$32,582$10,861iApproximate average salary by contribution assumption: employee only about $271,517 at 4% or $181,011 at 6%; with 50% employer match about $181,011 at 4% or $120,674 at 6%; with 100% employer match about $135,758 at 4% or $90,506 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$205,096$32,582$10,861iApproximate average salary by contribution assumption: employee only about $271,517 at 4% or $181,011 at 6%; with 50% employer match about $181,011 at 4% or $120,674 at 6%; with 100% employer match about $135,758 at 4% or $90,506 at 6%.
201412$175,326$29,274$14,637iApproximate average salary by contribution assumption: employee only about $365,925 at 4% or $243,950 at 6%; with 50% employer match about $243,950 at 4% or $162,633 at 6%; with 100% employer match about $182,963 at 4% or $121,975 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-2$175,326$29,274$14,637iApproximate average salary by contribution assumption: employee only about $365,925 at 4% or $243,950 at 6%; with 50% employer match about $243,950 at 4% or $162,633 at 6%; with 100% employer match about $182,963 at 4% or $121,975 at 6%.
201313$140,450$39,254$13,085iApproximate average salary by contribution assumption: employee only about $327,117 at 4% or $218,078 at 6%; with 50% employer match about $218,078 at 4% or $145,385 at 6%; with 100% employer match about $163,558 at 4% or $109,039 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$140,450$39,254$13,085iApproximate average salary by contribution assumption: employee only about $327,117 at 4% or $218,078 at 6%; with 50% employer match about $218,078 at 4% or $145,385 at 6%; with 100% employer match about $163,558 at 4% or $109,039 at 6%.
201213$105,146$39,881$13,294iApproximate average salary by contribution assumption: employee only about $332,342 at 4% or $221,561 at 6%; with 50% employer match about $221,561 at 4% or $147,707 at 6%; with 100% employer match about $166,171 at 4% or $110,781 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-3$105,146$39,881$13,294iApproximate average salary by contribution assumption: employee only about $332,342 at 4% or $221,561 at 6%; with 50% employer match about $221,561 at 4% or $147,707 at 6%; with 100% employer match about $166,171 at 4% or $110,781 at 6%.
201112$77,041$19,950$9,975iApproximate average salary by contribution assumption: employee only about $249,375 at 4% or $166,250 at 6%; with 50% employer match about $166,250 at 4% or $110,833 at 6%; with 100% employer match about $124,688 at 4% or $83,125 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-2$77,041$19,950$9,975iApproximate average salary by contribution assumption: employee only about $249,375 at 4% or $166,250 at 6%; with 50% employer match about $166,250 at 4% or $110,833 at 6%; with 100% employer match about $124,688 at 4% or $83,125 at 6%.
201012$60,666$29,003$14,502iApproximate average salary by contribution assumption: employee only about $362,538 at 4% or $241,692 at 6%; with 50% employer match about $241,692 at 4% or $161,128 at 6%; with 100% employer match about $181,269 at 4% or $120,846 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-2$60,666$29,003$14,502iApproximate average salary by contribution assumption: employee only about $362,538 at 4% or $241,692 at 6%; with 50% employer match about $241,692 at 4% or $161,128 at 6%; with 100% employer match about $181,269 at 4% or $120,846 at 6%.
200912$26,224$24,065$12,033iApproximate average salary by contribution assumption: employee only about $300,813 at 4% or $200,542 at 6%; with 50% employer match about $200,542 at 4% or $133,694 at 6%; with 100% employer match about $150,406 at 4% or $100,271 at 6%.
Windowsill Inc. 401(K) Profit Sharing Plan Trust-2$26,224$24,065$12,033iApproximate average salary by contribution assumption: employee only about $300,813 at 4% or $200,542 at 6%; with 50% employer match about $200,542 at 4% or $133,694 at 6%; with 100% employer match about $150,406 at 4% or $100,271 at 6%.