Civic Intelligence

Spartan Polymers Inc.

Plan context: Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan

EIN 58-2601405 • Wilmette, IL • 38 filings • 5 plans

1000 Skokie BlvdSuite 325Wilmette, IL 60091
Current Snapshot

Latest Year

2025

2025 Participants

16

2025 Assets

$3,059,969

2025 Contributions

$168,515

Historical Graphs

Total Assets Over Time

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

$3,122,780$1,561,390$0200520152025YearValue
$3,059,969Latest year 2025

Participants Over Time

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

1790200520152025YearValue
16Latest 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
2025116$3,059,969$168,515$10,532iApproximate average salary by contribution assumption: employee only about $263,305 at 4% or $175,536 at 6%; with 50% employer match about $175,536 at 4% or $117,024 at 6%; with 100% employer match about $131,652 at 4% or $87,768 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-16$3,059,969$168,515$10,532iApproximate average salary by contribution assumption: employee only about $263,305 at 4% or $175,536 at 6%; with 50% employer match about $175,536 at 4% or $117,024 at 6%; with 100% employer match about $131,652 at 4% or $87,768 at 6%.
2024216$3,015,543$151,336$9,459iApproximate average salary by contribution assumption: employee only about $236,463 at 4% or $157,642 at 6%; with 50% employer match about $157,642 at 4% or $105,094 at 6%; with 100% employer match about $118,231 at 4% or $78,821 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-16$2,700,486$151,336$9,459iApproximate average salary by contribution assumption: employee only about $236,463 at 4% or $157,642 at 6%; with 50% employer match about $157,642 at 4% or $105,094 at 6%; with 100% employer match about $118,231 at 4% or $78,821 at 6%.
Spartan Polymers Inc. Cash Balance Plan-12$315,057$0-
2023217$2,570,539$303,200$17,835iApproximate average salary by contribution assumption: employee only about $445,882 at 4% or $297,255 at 6%; with 50% employer match about $297,255 at 4% or $198,170 at 6%; with 100% employer match about $222,941 at 4% or $148,627 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-17$2,286,723$212,063$12,474iApproximate average salary by contribution assumption: employee only about $311,857 at 4% or $207,905 at 6%; with 50% employer match about $207,905 at 4% or $138,603 at 6%; with 100% employer match about $155,929 at 4% or $103,952 at 6%.
Spartan Polymers Inc. Cash Balance Plan-11$283,816$91,137$8,285iApproximate average salary by contribution assumption: employee only about $207,130 at 4% or $138,086 at 6%; with 50% employer match about $138,086 at 4% or $92,058 at 6%; with 100% employer match about $103,565 at 4% or $69,043 at 6%.
2022216$1,954,146$226,425$14,152iApproximate average salary by contribution assumption: employee only about $353,789 at 4% or $235,859 at 6%; with 50% employer match about $235,859 at 4% or $157,240 at 6%; with 100% employer match about $176,895 at 4% or $117,930 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-16$1,788,133$182,598$11,412iApproximate average salary by contribution assumption: employee only about $285,309 at 4% or $190,206 at 6%; with 50% employer match about $190,206 at 4% or $126,804 at 6%; with 100% employer match about $142,655 at 4% or $95,103 at 6%.
Spartan Polymers Inc. Cash Balance Plan-9$166,013$43,827$4,870iApproximate average salary by contribution assumption: employee only about $121,742 at 4% or $81,161 at 6%; with 50% employer match about $81,161 at 4% or $54,107 at 6%; with 100% employer match about $60,871 at 4% or $40,581 at 6%.
2021216$2,186,214$266,081$16,630iApproximate average salary by contribution assumption: employee only about $415,752 at 4% or $277,168 at 6%; with 50% employer match about $277,168 at 4% or $184,778 at 6%; with 100% employer match about $207,876 at 4% or $138,584 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-16$2,070,110$149,977$9,374iApproximate average salary by contribution assumption: employee only about $234,339 at 4% or $156,226 at 6%; with 50% employer match about $156,226 at 4% or $104,151 at 6%; with 100% employer match about $117,170 at 4% or $78,113 at 6%.
Spartan Polymers Inc. Cash Balance Plan-7$116,104$116,104$16,586iApproximate average salary by contribution assumption: employee only about $414,657 at 4% or $276,438 at 6%; with 50% employer match about $276,438 at 4% or $184,292 at 6%; with 100% employer match about $207,329 at 4% or $138,219 at 6%.
2020116$1,688,574$125,988$7,874iApproximate average salary by contribution assumption: employee only about $196,856 at 4% or $131,238 at 6%; with 50% employer match about $131,238 at 4% or $87,492 at 6%; with 100% employer match about $98,428 at 4% or $65,619 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-16$1,688,574$125,988$7,874iApproximate average salary by contribution assumption: employee only about $196,856 at 4% or $131,238 at 6%; with 50% employer match about $131,238 at 4% or $87,492 at 6%; with 100% employer match about $98,428 at 4% or $65,619 at 6%.
2019112$1,260,629$113,281$9,440iApproximate average salary by contribution assumption: employee only about $236,002 at 4% or $157,335 at 6%; with 50% employer match about $157,335 at 4% or $104,890 at 6%; with 100% employer match about $118,001 at 4% or $78,667 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-12$1,260,629$113,281$9,440iApproximate average salary by contribution assumption: employee only about $236,002 at 4% or $157,335 at 6%; with 50% employer match about $157,335 at 4% or $104,890 at 6%; with 100% employer match about $118,001 at 4% or $78,667 at 6%.
2018110$1,146,509$173,857$17,386iApproximate average salary by contribution assumption: employee only about $434,643 at 4% or $289,762 at 6%; with 50% employer match about $289,762 at 4% or $193,174 at 6%; with 100% employer match about $217,321 at 4% or $144,881 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-10$1,146,509$173,857$17,386iApproximate average salary by contribution assumption: employee only about $434,643 at 4% or $289,762 at 6%; with 50% employer match about $289,762 at 4% or $193,174 at 6%; with 100% employer match about $217,321 at 4% or $144,881 at 6%.
2017210$1,251,742$131,913$13,191iApproximate average salary by contribution assumption: employee only about $329,783 at 4% or $219,855 at 6%; with 50% employer match about $219,855 at 4% or $146,570 at 6%; with 100% employer match about $164,891 at 4% or $109,928 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-10$1,251,742$131,913$13,191iApproximate average salary by contribution assumption: employee only about $329,783 at 4% or $219,855 at 6%; with 50% employer match about $219,855 at 4% or $146,570 at 6%; with 100% employer match about $164,891 at 4% or $109,928 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-0$0$0-
2016210$3,122,780$208,350$20,835iApproximate average salary by contribution assumption: employee only about $520,875 at 4% or $347,250 at 6%; with 50% employer match about $347,250 at 4% or $231,500 at 6%; with 100% employer match about $260,438 at 4% or $173,625 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-9$1,872,128$20,000$2,222iApproximate average salary by contribution assumption: employee only about $55,556 at 4% or $37,037 at 6%; with 50% employer match about $37,037 at 4% or $24,691 at 6%; with 100% employer match about $27,778 at 4% or $18,519 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-10$1,250,652$188,350$18,835iApproximate average salary by contribution assumption: employee only about $470,875 at 4% or $313,917 at 6%; with 50% employer match about $313,917 at 4% or $209,278 at 6%; with 100% employer match about $235,438 at 4% or $156,958 at 6%.
2015210$2,803,057$171,944$17,194iApproximate average salary by contribution assumption: employee only about $429,860 at 4% or $286,573 at 6%; with 50% employer match about $286,573 at 4% or $191,049 at 6%; with 100% employer match about $214,930 at 4% or $143,287 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-8$1,715,522$0-
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-10$1,087,535$171,944$17,194iApproximate average salary by contribution assumption: employee only about $429,860 at 4% or $286,573 at 6%; with 50% employer match about $286,573 at 4% or $191,049 at 6%; with 100% employer match about $214,930 at 4% or $143,287 at 6%.
201429$2,682,648$117,991$13,110iApproximate average salary by contribution assumption: employee only about $327,753 at 4% or $218,502 at 6%; with 50% employer match about $218,502 at 4% or $145,668 at 6%; with 100% employer match about $163,876 at 4% or $109,251 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-7$1,745,899$0-
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-9$936,749$117,991$13,110iApproximate average salary by contribution assumption: employee only about $327,753 at 4% or $218,502 at 6%; with 50% employer match about $218,502 at 4% or $145,668 at 6%; with 100% employer match about $163,876 at 4% or $109,251 at 6%.
201327$2,472,078$86,813$12,402iApproximate average salary by contribution assumption: employee only about $310,046 at 4% or $206,698 at 6%; with 50% employer match about $206,698 at 4% or $137,798 at 6%; with 100% employer match about $155,023 at 4% or $103,349 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-6$1,693,697$0-
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-7$778,381$86,813$12,402iApproximate average salary by contribution assumption: employee only about $310,046 at 4% or $206,698 at 6%; with 50% employer match about $206,698 at 4% or $137,798 at 6%; with 100% employer match about $155,023 at 4% or $103,349 at 6%.
201227$2,179,279$58,888$8,413iApproximate average salary by contribution assumption: employee only about $210,314 at 4% or $140,210 at 6%; with 50% employer match about $140,210 at 4% or $93,473 at 6%; with 100% employer match about $105,157 at 4% or $70,105 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-7$1,557,968$0-
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-7$621,311$58,888$8,413iApproximate average salary by contribution assumption: employee only about $210,314 at 4% or $140,210 at 6%; with 50% employer match about $140,210 at 4% or $93,473 at 6%; with 100% employer match about $105,157 at 4% or $70,105 at 6%.
201125$2,011,569$48,242$9,648iApproximate average salary by contribution assumption: employee only about $241,210 at 4% or $160,807 at 6%; with 50% employer match about $160,807 at 4% or $107,204 at 6%; with 100% employer match about $120,605 at 4% or $80,403 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-5$1,441,145$0-
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-5$570,424$48,242$9,648iApproximate average salary by contribution assumption: employee only about $241,210 at 4% or $160,807 at 6%; with 50% employer match about $160,807 at 4% or $107,204 at 6%; with 100% employer match about $120,605 at 4% or $80,403 at 6%.
201024$1,977,014$239,987$59,997iApproximate average salary by contribution assumption: employee only about $1,499,919 at 4% or $999,946 at 6%; with 50% employer match about $999,946 at 4% or $666,631 at 6%; with 100% employer match about $749,959 at 4% or $499,973 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-4$1,446,007$124,107$31,027iApproximate average salary by contribution assumption: employee only about $775,669 at 4% or $517,113 at 6%; with 50% employer match about $517,113 at 4% or $344,742 at 6%; with 100% employer match about $387,834 at 4% or $258,556 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-4$531,007$115,880$28,970iApproximate average salary by contribution assumption: employee only about $724,250 at 4% or $482,833 at 6%; with 50% employer match about $482,833 at 4% or $321,889 at 6%; with 100% employer match about $362,125 at 4% or $241,417 at 6%.
200924$1,542,559$275,000$68,750iApproximate average salary by contribution assumption: employee only about $1,718,750 at 4% or $1,145,833 at 6%; with 50% employer match about $1,145,833 at 4% or $763,889 at 6%; with 100% employer match about $859,375 at 4% or $572,917 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-4$1,197,146$184,043$46,011iApproximate average salary by contribution assumption: employee only about $1,150,269 at 4% or $766,846 at 6%; with 50% employer match about $766,846 at 4% or $511,231 at 6%; with 100% employer match about $575,134 at 4% or $383,423 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-4$345,413$90,957$22,739iApproximate average salary by contribution assumption: employee only about $568,481 at 4% or $378,988 at 6%; with 50% employer match about $378,988 at 4% or $252,658 at 6%; with 100% employer match about $284,241 at 4% or $189,494 at 6%.
200823$1,046,295$373,287$124,429iApproximate average salary by contribution assumption: employee only about $3,110,725 at 4% or $2,073,817 at 6%; with 50% employer match about $2,073,817 at 4% or $1,382,544 at 6%; with 100% employer match about $1,555,363 at 4% or $1,036,908 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-3$851,985$324,212$108,071iApproximate average salary by contribution assumption: employee only about $2,701,767 at 4% or $1,801,178 at 6%; with 50% employer match about $1,801,178 at 4% or $1,200,785 at 6%; with 100% employer match about $1,350,883 at 4% or $900,589 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-3$194,310$49,075$16,358iApproximate average salary by contribution assumption: employee only about $408,958 at 4% or $272,639 at 6%; with 50% employer match about $272,639 at 4% or $181,759 at 6%; with 100% employer match about $204,479 at 4% or $136,319 at 6%.
200722$211,399$44,380$22,190iApproximate average salary by contribution assumption: employee only about $554,750 at 4% or $369,833 at 6%; with 50% employer match about $369,833 at 4% or $246,556 at 6%; with 100% employer match about $277,375 at 4% or $184,917 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-2$211,399$44,380$22,190iApproximate average salary by contribution assumption: employee only about $554,750 at 4% or $369,833 at 6%; with 50% employer match about $369,833 at 4% or $246,556 at 6%; with 100% employer match about $277,375 at 4% or $184,917 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-2---
200622$598,556$235,161$117,581iApproximate average salary by contribution assumption: employee only about $2,939,513 at 4% or $1,959,675 at 6%; with 50% employer match about $1,959,675 at 4% or $1,306,450 at 6%; with 100% employer match about $1,469,756 at 4% or $979,838 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-2$403,868$191,841$95,921iApproximate average salary by contribution assumption: employee only about $2,398,013 at 4% or $1,598,675 at 6%; with 50% employer match about $1,598,675 at 4% or $1,065,783 at 6%; with 100% employer match about $1,199,006 at 4% or $799,338 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-2$194,688$43,320$21,660iApproximate average salary by contribution assumption: employee only about $541,500 at 4% or $361,000 at 6%; with 50% employer match about $361,000 at 4% or $240,667 at 6%; with 100% employer match about $270,750 at 4% or $180,500 at 6%.
200522$219,371$219,371$109,686iApproximate average salary by contribution assumption: employee only about $2,742,138 at 4% or $1,828,092 at 6%; with 50% employer match about $1,828,092 at 4% or $1,218,728 at 6%; with 100% employer match about $1,371,069 at 4% or $914,046 at 6%.
SPARTAN POLYMERS, INC. DEFINED BENEFIT PENSION PLAN AND TRUST-2$191,371$191,371$95,686iApproximate average salary by contribution assumption: employee only about $2,392,138 at 4% or $1,594,758 at 6%; with 50% employer match about $1,594,758 at 4% or $1,063,172 at 6%; with 100% employer match about $1,196,069 at 4% or $797,379 at 6%.
Spartan Polymers Inc. Employees Profit Sharing 401(K) Plan-2$28,000$28,000$14,000iApproximate average salary by contribution assumption: employee only about $350,000 at 4% or $233,333 at 6%; with 50% employer match about $233,333 at 4% or $155,556 at 6%; with 100% employer match about $175,000 at 4% or $116,667 at 6%.