Aileron Ltd
Plan context: Aileron Ltd 401(K) Profit Sharing Plan & Trust
EIN 38-3104483 • Bingham Farms, MI • 23 filings • 7 plans
Current Snapshot
Latest Year
2025
2025 Participants
2
2025 Assets
$311,580
2025 Contributions
$16,675
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
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 / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2025 | 1 | 0 | $0 | $16,675 | - |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 0 | $0 | $16,675 | - |
| 2024 | 1 | 2 | $311,580 | $28,175 | $14,088iApproximate average salary by contribution assumption: employee only about $352,188 at 4% or $234,792 at 6%; with 50% employer match about $234,792 at 4% or $156,528 at 6%; with 100% employer match about $176,094 at 4% or $117,396 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $311,580 | $28,175 | $14,088iApproximate average salary by contribution assumption: employee only about $352,188 at 4% or $234,792 at 6%; with 50% employer match about $234,792 at 4% or $156,528 at 6%; with 100% employer match about $176,094 at 4% or $117,396 at 6%. |
| 2023 | 1 | 2 | $249,350 | $30,475 | $15,238iApproximate average salary by contribution assumption: employee only about $380,938 at 4% or $253,958 at 6%; with 50% employer match about $253,958 at 4% or $169,306 at 6%; with 100% employer match about $190,469 at 4% or $126,979 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $249,350 | $30,475 | $15,238iApproximate average salary by contribution assumption: employee only about $380,938 at 4% or $253,958 at 6%; with 50% employer match about $253,958 at 4% or $169,306 at 6%; with 100% employer match about $190,469 at 4% or $126,979 at 6%. |
| 2022 | 1 | 2 | $188,200 | $31,535 | $15,768iApproximate average salary by contribution assumption: employee only about $394,188 at 4% or $262,792 at 6%; with 50% employer match about $262,792 at 4% or $175,194 at 6%; with 100% employer match about $197,094 at 4% or $131,396 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $188,200 | $31,535 | $15,768iApproximate average salary by contribution assumption: employee only about $394,188 at 4% or $262,792 at 6%; with 50% employer match about $262,792 at 4% or $175,194 at 6%; with 100% employer match about $197,094 at 4% or $131,396 at 6%. |
| 2021 | 1 | 2 | $195,823 | $26,575 | $13,288iApproximate average salary by contribution assumption: employee only about $332,188 at 4% or $221,458 at 6%; with 50% employer match about $221,458 at 4% or $147,639 at 6%; with 100% employer match about $166,094 at 4% or $110,729 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $195,823 | $26,575 | $13,288iApproximate average salary by contribution assumption: employee only about $332,188 at 4% or $221,458 at 6%; with 50% employer match about $221,458 at 4% or $147,639 at 6%; with 100% employer match about $166,094 at 4% or $110,729 at 6%. |
| 2020 | 1 | 2 | $137,304 | $24,938 | $12,469iApproximate average salary by contribution assumption: employee only about $311,725 at 4% or $207,817 at 6%; with 50% employer match about $207,817 at 4% or $138,544 at 6%; with 100% employer match about $155,863 at 4% or $103,908 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $137,304 | $24,938 | $12,469iApproximate average salary by contribution assumption: employee only about $311,725 at 4% or $207,817 at 6%; with 50% employer match about $207,817 at 4% or $138,544 at 6%; with 100% employer match about $155,863 at 4% or $103,908 at 6%. |
| 2019 | 1 | 2 | $95,334 | $29,973 | $14,987iApproximate average salary by contribution assumption: employee only about $374,663 at 4% or $249,775 at 6%; with 50% employer match about $249,775 at 4% or $166,517 at 6%; with 100% employer match about $187,331 at 4% or $124,888 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $95,334 | $29,973 | $14,987iApproximate average salary by contribution assumption: employee only about $374,663 at 4% or $249,775 at 6%; with 50% employer match about $249,775 at 4% or $166,517 at 6%; with 100% employer match about $187,331 at 4% or $124,888 at 6%. |
| 2018 | 1 | 2 | $48,686 | $24,528 | $12,264iApproximate average salary by contribution assumption: employee only about $306,600 at 4% or $204,400 at 6%; with 50% employer match about $204,400 at 4% or $136,267 at 6%; with 100% employer match about $153,300 at 4% or $102,200 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $48,686 | $24,528 | $12,264iApproximate average salary by contribution assumption: employee only about $306,600 at 4% or $204,400 at 6%; with 50% employer match about $204,400 at 4% or $136,267 at 6%; with 100% employer match about $153,300 at 4% or $102,200 at 6%. |
| 2017 | 2 | 2 | $58,236 | $54,638 | $27,319iApproximate average salary by contribution assumption: employee only about $682,975 at 4% or $455,317 at 6%; with 50% employer match about $455,317 at 4% or $303,544 at 6%; with 100% employer match about $341,488 at 4% or $227,658 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 2 | $29,118 | $27,319 | $13,660iApproximate average salary by contribution assumption: employee only about $341,488 at 4% or $227,658 at 6%; with 50% employer match about $227,658 at 4% or $151,772 at 6%; with 100% employer match about $170,744 at 4% or $113,829 at 6%. |
| Aileron Ltd 401(K) Profit Sharing Plan & Trust | - | 2 | $29,118 | $27,319 | $13,660iApproximate average salary by contribution assumption: employee only about $341,488 at 4% or $227,658 at 6%; with 50% employer match about $227,658 at 4% or $151,772 at 6%; with 100% employer match about $170,744 at 4% or $113,829 at 6%. |
| 2014 | 2 | 2 | $106,594 | $7,000 | $3,500iApproximate average salary by contribution assumption: employee only about $87,500 at 4% or $58,333 at 6%; with 50% employer match about $58,333 at 4% or $38,889 at 6%; with 100% employer match about $43,750 at 4% or $29,167 at 6%. |
| AILERON, LTD 401(K) PROFIT SHARING PLAN | - | 2 | $106,594 | $7,000 | $3,500iApproximate average salary by contribution assumption: employee only about $87,500 at 4% or $58,333 at 6%; with 50% employer match about $58,333 at 4% or $38,889 at 6%; with 100% employer match about $43,750 at 4% or $29,167 at 6%. |
| AILERON, LTD 401K PROFIT SHARING PLAN | - | 0 | $0 | - | - |
| 2013 | 1 | 3 | $130,049 | $74,900 | $24,967iApproximate average salary by contribution assumption: employee only about $624,167 at 4% or $416,111 at 6%; with 50% employer match about $416,111 at 4% or $277,407 at 6%; with 100% employer match about $312,083 at 4% or $208,056 at 6%. |
| AILERON, LTD 401(K) PROFIT SHARING PLAN | - | 3 | $130,049 | $74,900 | $24,967iApproximate average salary by contribution assumption: employee only about $624,167 at 4% or $416,111 at 6%; with 50% employer match about $416,111 at 4% or $277,407 at 6%; with 100% employer match about $312,083 at 4% or $208,056 at 6%. |
| 2012 | 2 | 3 | $55,076 | $13,000 | $4,333iApproximate average salary by contribution assumption: employee only about $108,333 at 4% or $72,222 at 6%; with 50% employer match about $72,222 at 4% or $48,148 at 6%; with 100% employer match about $54,167 at 4% or $36,111 at 6%. |
| AILERON, LTD 401(K) PROFIT SHARING PLAN | - | 3 | $55,076 | $13,000 | $4,333iApproximate average salary by contribution assumption: employee only about $108,333 at 4% or $72,222 at 6%; with 50% employer match about $72,222 at 4% or $48,148 at 6%; with 100% employer match about $54,167 at 4% or $36,111 at 6%. |
| AILERON, LTD CASH BALANCE PLAN | - | 0 | $0 | $0 | - |
| 2011 | 2 | 3 | $187,000 | $187,000 | $62,333iApproximate average salary by contribution assumption: employee only about $1,558,333 at 4% or $1,038,889 at 6%; with 50% employer match about $1,038,889 at 4% or $692,593 at 6%; with 100% employer match about $779,167 at 4% or $519,444 at 6%. |
| AILERON, LTD CASH BALANCE PLAN | - | 3 | $145,000 | $145,000 | $48,333iApproximate average salary by contribution assumption: employee only about $1,208,333 at 4% or $805,556 at 6%; with 50% employer match about $805,556 at 4% or $537,037 at 6%; with 100% employer match about $604,167 at 4% or $402,778 at 6%. |
| AILERON, LTD 401(K) PROFIT SHARING PLAN | - | 1 | $42,000 | $42,000 | $42,000iApproximate average salary by contribution assumption: employee only about $1,050,000 at 4% or $700,000 at 6%; with 50% employer match about $700,000 at 4% or $466,667 at 6%; with 100% employer match about $525,000 at 4% or $350,000 at 6%. |
| 2010 | 1 | 0 | $0 | $273,809 | - |
| Aileron Ltd Defined Benefit Plan | - | 0 | $0 | $273,809 | - |
| 2009 | 1 | 3 | $1,276,000 | $270,000 | $90,000iApproximate average salary by contribution assumption: employee only about $2,250,000 at 4% or $1,500,000 at 6%; with 50% employer match about $1,500,000 at 4% or $1,000,000 at 6%; with 100% employer match about $1,125,000 at 4% or $750,000 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 3 | $1,276,000 | $270,000 | $90,000iApproximate average salary by contribution assumption: employee only about $2,250,000 at 4% or $1,500,000 at 6%; with 50% employer match about $1,500,000 at 4% or $1,000,000 at 6%; with 100% employer match about $1,125,000 at 4% or $750,000 at 6%. |
| 2007 | 1 | 5 | $761,763 | $226,000 | $45,200iApproximate average salary by contribution assumption: employee only about $1,130,000 at 4% or $753,333 at 6%; with 50% employer match about $753,333 at 4% or $502,222 at 6%; with 100% employer match about $565,000 at 4% or $376,667 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 5 | $761,763 | $226,000 | $45,200iApproximate average salary by contribution assumption: employee only about $1,130,000 at 4% or $753,333 at 6%; with 50% employer match about $753,333 at 4% or $502,222 at 6%; with 100% employer match about $565,000 at 4% or $376,667 at 6%. |
| 2006 | 1 | 6 | $508,908 | $181,933 | $30,322iApproximate average salary by contribution assumption: employee only about $758,054 at 4% or $505,369 at 6%; with 50% employer match about $505,369 at 4% or $336,913 at 6%; with 100% employer match about $379,027 at 4% or $252,685 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 6 | $508,908 | $181,933 | $30,322iApproximate average salary by contribution assumption: employee only about $758,054 at 4% or $505,369 at 6%; with 50% employer match about $505,369 at 4% or $336,913 at 6%; with 100% employer match about $379,027 at 4% or $252,685 at 6%. |
| 2005 | 1 | 4 | $314,074 | $162,612 | $40,653iApproximate average salary by contribution assumption: employee only about $1,016,325 at 4% or $677,550 at 6%; with 50% employer match about $677,550 at 4% or $451,700 at 6%; with 100% employer match about $508,163 at 4% or $338,775 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 4 | $314,074 | $162,612 | $40,653iApproximate average salary by contribution assumption: employee only about $1,016,325 at 4% or $677,550 at 6%; with 50% employer match about $677,550 at 4% or $451,700 at 6%; with 100% employer match about $508,163 at 4% or $338,775 at 6%. |
| 2004 | 1 | 4 | $149,105 | $149,102 | $37,276iApproximate average salary by contribution assumption: employee only about $931,888 at 4% or $621,258 at 6%; with 50% employer match about $621,258 at 4% or $414,172 at 6%; with 100% employer match about $465,944 at 4% or $310,629 at 6%. |
| Aileron Ltd Defined Benefit Plan | - | 4 | $149,105 | $149,102 | $37,276iApproximate average salary by contribution assumption: employee only about $931,888 at 4% or $621,258 at 6%; with 50% employer match about $621,258 at 4% or $414,172 at 6%; with 100% employer match about $465,944 at 4% or $310,629 at 6%. |