Civic Intelligence

Sobotka Engineering Inc

Plan context: Sobotka Engineering Inc

EIN 52-2413698 • Diagonal, IA • 24 filings • 6 plans

1587 160th AvenueDiagonal, IA 50845
Current Snapshot

Latest Year

2025

2025 Participants

47

2025 Assets

$6,034,908

2025 Contributions

$447,488

Historical Graphs

Total Assets Over Time

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

$6,034,908$3,017,454$0201320192025YearValue
$6,034,908Latest year 2025

Participants Over Time

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

47240201320192025YearValue
47Latest 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
2025147$6,034,908$447,488$9,521iApproximate average salary by contribution assumption: employee only about $238,026 at 4% or $158,684 at 6%; with 50% employer match about $158,684 at 4% or $105,789 at 6%; with 100% employer match about $119,013 at 4% or $79,342 at 6%.
Sobotka Engineering Inc-47$6,034,908$447,488$9,521iApproximate average salary by contribution assumption: employee only about $238,026 at 4% or $158,684 at 6%; with 50% employer match about $158,684 at 4% or $105,789 at 6%; with 100% employer match about $119,013 at 4% or $79,342 at 6%.
2024147$4,825,069$405,212$8,622iApproximate average salary by contribution assumption: employee only about $215,538 at 4% or $143,692 at 6%; with 50% employer match about $143,692 at 4% or $95,795 at 6%; with 100% employer match about $107,769 at 4% or $71,846 at 6%.
Sobotka Engineering Inc-47$4,825,069$405,212$8,622iApproximate average salary by contribution assumption: employee only about $215,538 at 4% or $143,692 at 6%; with 50% employer match about $143,692 at 4% or $95,795 at 6%; with 100% employer match about $107,769 at 4% or $71,846 at 6%.
2023144$3,917,235$875,057$19,888iApproximate average salary by contribution assumption: employee only about $497,191 at 4% or $331,461 at 6%; with 50% employer match about $331,461 at 4% or $220,974 at 6%; with 100% employer match about $248,596 at 4% or $165,730 at 6%.
Sobotka Engineering Inc-44$3,917,235$875,057$19,888iApproximate average salary by contribution assumption: employee only about $497,191 at 4% or $331,461 at 6%; with 50% employer match about $331,461 at 4% or $220,974 at 6%; with 100% employer match about $248,596 at 4% or $165,730 at 6%.
2022139$2,525,200$374,213$9,595iApproximate average salary by contribution assumption: employee only about $239,880 at 4% or $159,920 at 6%; with 50% employer match about $159,920 at 4% or $106,613 at 6%; with 100% employer match about $119,940 at 4% or $79,960 at 6%.
Sobotka Engineering Inc-39$2,525,200$374,213$9,595iApproximate average salary by contribution assumption: employee only about $239,880 at 4% or $159,920 at 6%; with 50% employer match about $159,920 at 4% or $106,613 at 6%; with 100% employer match about $119,940 at 4% or $79,960 at 6%.
2021146$2,802,888$451,966$9,825iApproximate average salary by contribution assumption: employee only about $245,634 at 4% or $163,756 at 6%; with 50% employer match about $163,756 at 4% or $109,171 at 6%; with 100% employer match about $122,817 at 4% or $81,878 at 6%.
Sobotka Engineering Inc-46$2,802,888$451,966$9,825iApproximate average salary by contribution assumption: employee only about $245,634 at 4% or $163,756 at 6%; with 50% employer match about $163,756 at 4% or $109,171 at 6%; with 100% employer match about $122,817 at 4% or $81,878 at 6%.
2020143$2,010,961$189,122$4,398iApproximate average salary by contribution assumption: employee only about $109,955 at 4% or $73,303 at 6%; with 50% employer match about $73,303 at 4% or $48,869 at 6%; with 100% employer match about $54,977 at 4% or $36,652 at 6%.
Sobotka Engineering Inc-43$2,010,961$189,122$4,398iApproximate average salary by contribution assumption: employee only about $109,955 at 4% or $73,303 at 6%; with 50% employer match about $73,303 at 4% or $48,869 at 6%; with 100% employer match about $54,977 at 4% or $36,652 at 6%.
2019116$1,487,315$76,682$4,793iApproximate average salary by contribution assumption: employee only about $119,816 at 4% or $79,877 at 6%; with 50% employer match about $79,877 at 4% or $53,251 at 6%; with 100% employer match about $59,908 at 4% or $39,939 at 6%.
Sobotka Engineering Inc-16$1,487,315$76,682$4,793iApproximate average salary by contribution assumption: employee only about $119,816 at 4% or $79,877 at 6%; with 50% employer match about $79,877 at 4% or $53,251 at 6%; with 100% employer match about $59,908 at 4% or $39,939 at 6%.
2018113$1,131,541$111,899$8,608iApproximate average salary by contribution assumption: employee only about $215,190 at 4% or $143,460 at 6%; with 50% employer match about $143,460 at 4% or $95,640 at 6%; with 100% employer match about $107,595 at 4% or $71,730 at 6%.
Sobotka Engineering Inc-13$1,131,541$111,899$8,608iApproximate average salary by contribution assumption: employee only about $215,190 at 4% or $143,460 at 6%; with 50% employer match about $143,460 at 4% or $95,640 at 6%; with 100% employer match about $107,595 at 4% or $71,730 at 6%.
2017113$1,084,559$69,945$5,380iApproximate average salary by contribution assumption: employee only about $134,510 at 4% or $89,673 at 6%; with 50% employer match about $89,673 at 4% or $59,782 at 6%; with 100% employer match about $67,255 at 4% or $44,837 at 6%.
Sobotka Engineering Inc-13$1,084,559$69,945$5,380iApproximate average salary by contribution assumption: employee only about $134,510 at 4% or $89,673 at 6%; with 50% employer match about $89,673 at 4% or $59,782 at 6%; with 100% employer match about $67,255 at 4% or $44,837 at 6%.
2016416$1,551,288$312,795$19,550iApproximate average salary by contribution assumption: employee only about $488,742 at 4% or $325,828 at 6%; with 50% employer match about $325,828 at 4% or $217,219 at 6%; with 100% employer match about $244,371 at 4% or $162,914 at 6%.
Sobotka Engineering Inc-16$923,849$77,051$4,816iApproximate average salary by contribution assumption: employee only about $120,392 at 4% or $80,261 at 6%; with 50% employer match about $80,261 at 4% or $53,508 at 6%; with 100% employer match about $60,196 at 4% or $40,131 at 6%.
Sobotka Engineering Inc-15$460,259$68,564$4,571iApproximate average salary by contribution assumption: employee only about $114,273 at 4% or $76,182 at 6%; with 50% employer match about $76,182 at 4% or $50,788 at 6%; with 100% employer match about $57,137 at 4% or $38,091 at 6%.
Sobotka Engineering Inc-16$83,590$83,590$5,224iApproximate average salary by contribution assumption: employee only about $130,609 at 4% or $87,073 at 6%; with 50% employer match about $87,073 at 4% or $58,049 at 6%; with 100% employer match about $65,305 at 4% or $43,536 at 6%.
Sobotka Engineering Inc-16$83,590$83,590$5,224iApproximate average salary by contribution assumption: employee only about $130,609 at 4% or $87,073 at 6%; with 50% employer match about $87,073 at 4% or $58,049 at 6%; with 100% employer match about $65,305 at 4% or $43,536 at 6%.
2015420$2,169,107$341,280$17,064iApproximate average salary by contribution assumption: employee only about $426,600 at 4% or $284,400 at 6%; with 50% employer match about $284,400 at 4% or $189,600 at 6%; with 100% employer match about $213,300 at 4% or $142,200 at 6%.
Sobotka Engineering Inc-20$832,370$78,291$3,915iApproximate average salary by contribution assumption: employee only about $97,864 at 4% or $65,243 at 6%; with 50% employer match about $65,243 at 4% or $43,495 at 6%; with 100% employer match about $48,932 at 4% or $32,621 at 6%.
Sobotka Engineering Inc-20$445,579$87,663$4,383iApproximate average salary by contribution assumption: employee only about $109,579 at 4% or $73,053 at 6%; with 50% employer match about $73,053 at 4% or $48,702 at 6%; with 100% employer match about $54,789 at 4% or $36,526 at 6%.
Sobotka Engineering Inc-20$445,579$87,663$4,383iApproximate average salary by contribution assumption: employee only about $109,579 at 4% or $73,053 at 6%; with 50% employer match about $73,053 at 4% or $48,702 at 6%; with 100% employer match about $54,789 at 4% or $36,526 at 6%.
Sobotka Engineering Inc-20$445,579$87,663$4,383iApproximate average salary by contribution assumption: employee only about $109,579 at 4% or $73,053 at 6%; with 50% employer match about $73,053 at 4% or $48,702 at 6%; with 100% employer match about $54,789 at 4% or $36,526 at 6%.
2014423$1,966,689$456,305$19,839iApproximate average salary by contribution assumption: employee only about $495,984 at 4% or $330,656 at 6%; with 50% employer match about $330,656 at 4% or $220,437 at 6%; with 100% employer match about $247,992 at 4% or $165,328 at 6%.
Sobotka Engineering Inc-23$799,170$138,590$6,026iApproximate average salary by contribution assumption: employee only about $150,641 at 4% or $100,428 at 6%; with 50% employer match about $100,428 at 4% or $66,952 at 6%; with 100% employer match about $75,321 at 4% or $50,214 at 6%.
Sobotka Engineering Inc-21$389,173$105,905$5,043iApproximate average salary by contribution assumption: employee only about $126,077 at 4% or $84,052 at 6%; with 50% employer match about $84,052 at 4% or $56,034 at 6%; with 100% employer match about $63,039 at 4% or $42,026 at 6%.
Sobotka Engineering Inc-21$389,173$105,905$5,043iApproximate average salary by contribution assumption: employee only about $126,077 at 4% or $84,052 at 6%; with 50% employer match about $84,052 at 4% or $56,034 at 6%; with 100% employer match about $63,039 at 4% or $42,026 at 6%.
Sobotka Engineering Inc-21$389,173$105,905$5,043iApproximate average salary by contribution assumption: employee only about $126,077 at 4% or $84,052 at 6%; with 50% employer match about $84,052 at 4% or $56,034 at 6%; with 100% employer match about $63,039 at 4% or $42,026 at 6%.
2013323$879,393$329,238$14,315iApproximate average salary by contribution assumption: employee only about $357,867 at 4% or $238,578 at 6%; with 50% employer match about $238,578 at 4% or $159,052 at 6%; with 100% employer match about $178,934 at 4% or $119,289 at 6%.
Sobotka Engineering Inc-23$293,131$109,746$4,772iApproximate average salary by contribution assumption: employee only about $119,289 at 4% or $79,526 at 6%; with 50% employer match about $79,526 at 4% or $53,017 at 6%; with 100% employer match about $59,645 at 4% or $39,763 at 6%.
Sobotka Engineering Inc-23$293,131$109,746$4,772iApproximate average salary by contribution assumption: employee only about $119,289 at 4% or $79,526 at 6%; with 50% employer match about $79,526 at 4% or $53,017 at 6%; with 100% employer match about $59,645 at 4% or $39,763 at 6%.
Sobotka Engineering Inc-23$293,131$109,746$4,772iApproximate average salary by contribution assumption: employee only about $119,289 at 4% or $79,526 at 6%; with 50% employer match about $79,526 at 4% or $53,017 at 6%; with 100% employer match about $59,645 at 4% or $39,763 at 6%.