AMPC, Inc.
Plan context: Ampc 401K Retirement Plan
EIN 42-1160181 • Ankeny, IA • 68 filings • 12 plans
Current Snapshot
Latest Year
2024
2024 Participants
677
2024 Assets
$80,701,811
2024 Contributions
$6,627,024
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 |
|---|---|---|---|---|---|
| 2024 | 1 | 677 | $80,701,811 | $6,627,024 | $9,789iApproximate average salary by contribution assumption: employee only about $244,720 at 4% or $163,147 at 6%; with 50% employer match about $163,147 at 4% or $108,765 at 6%; with 100% employer match about $122,360 at 4% or $81,573 at 6%. |
| Ampc 401K Retirement Plan | - | 677 | $80,701,811 | $6,627,024 | $9,789iApproximate average salary by contribution assumption: employee only about $244,720 at 4% or $163,147 at 6%; with 50% employer match about $163,147 at 4% or $108,765 at 6%; with 100% employer match about $122,360 at 4% or $81,573 at 6%. |
| 2023 | 1 | 591 | $73,270,789 | $5,713,440 | $9,667iApproximate average salary by contribution assumption: employee only about $241,685 at 4% or $161,124 at 6%; with 50% employer match about $161,124 at 4% or $107,416 at 6%; with 100% employer match about $120,843 at 4% or $80,562 at 6%. |
| Ampc 401K Retirement Plan | - | 591 | $73,270,789 | $5,713,440 | $9,667iApproximate average salary by contribution assumption: employee only about $241,685 at 4% or $161,124 at 6%; with 50% employer match about $161,124 at 4% or $107,416 at 6%; with 100% employer match about $120,843 at 4% or $80,562 at 6%. |
| 2022 | 2 | 636 | $62,655,708 | $5,423,809 | $8,528iApproximate average salary by contribution assumption: employee only about $213,200 at 4% or $142,133 at 6%; with 50% employer match about $142,133 at 4% or $94,756 at 6%; with 100% employer match about $106,600 at 4% or $71,067 at 6%. |
| Ampc 401K Retirement Plan | - | 570 | $62,655,708 | $5,423,809 | $9,515iApproximate average salary by contribution assumption: employee only about $237,886 at 4% or $158,591 at 6%; with 50% employer match about $158,591 at 4% or $105,727 at 6%; with 100% employer match about $118,943 at 4% or $79,295 at 6%. |
| Ampc LLC Welfare Benefit Plan | - | 636 | - | - | - |
| 2021 | 2 | 643 | $77,518,881 | $5,564,088 | $8,653iApproximate average salary by contribution assumption: employee only about $216,333 at 4% or $144,222 at 6%; with 50% employer match about $144,222 at 4% or $96,148 at 6%; with 100% employer match about $108,167 at 4% or $72,111 at 6%. |
| Ampc 401K Retirement Plan | - | 577 | $77,518,881 | $5,564,088 | $9,643iApproximate average salary by contribution assumption: employee only about $241,078 at 4% or $160,719 at 6%; with 50% employer match about $160,719 at 4% or $107,146 at 6%; with 100% employer match about $120,539 at 4% or $80,359 at 6%. |
| Ampc LLC Welfare Benefit Plan | - | 643 | - | - | - |
| 2020 | 2 | 640 | $67,287,543 | $4,881,226 | $7,627iApproximate average salary by contribution assumption: employee only about $190,673 at 4% or $127,115 at 6%; with 50% employer match about $127,115 at 4% or $84,744 at 6%; with 100% employer match about $95,336 at 4% or $63,558 at 6%. |
| Ampc 401K Retirement Plan | - | 571 | $67,287,543 | $4,881,226 | $8,549iApproximate average salary by contribution assumption: employee only about $213,714 at 4% or $142,476 at 6%; with 50% employer match about $142,476 at 4% or $94,984 at 6%; with 100% employer match about $106,857 at 4% or $71,238 at 6%. |
| Ampc LLC Welfare Benefit Plan | - | 640 | - | - | - |
| 2019 | 2 | 606 | $54,242,357 | $4,054,606 | $6,691iApproximate average salary by contribution assumption: employee only about $167,269 at 4% or $111,513 at 6%; with 50% employer match about $111,513 at 4% or $74,342 at 6%; with 100% employer match about $83,635 at 4% or $55,756 at 6%. |
| Ampc 401K Retirement Plan | - | 540 | $54,242,357 | $4,054,606 | $7,509iApproximate average salary by contribution assumption: employee only about $187,713 at 4% or $125,142 at 6%; with 50% employer match about $125,142 at 4% or $83,428 at 6%; with 100% employer match about $93,857 at 4% or $62,571 at 6%. |
| Ampc LLC Welfare Benefit Plan | - | 606 | - | - | - |
| 2018 | 3 | 508 | $43,318,601 | $3,851,794 | $7,582iApproximate average salary by contribution assumption: employee only about $189,557 at 4% or $126,371 at 6%; with 50% employer match about $126,371 at 4% or $84,247 at 6%; with 100% employer match about $94,778 at 4% or $63,186 at 6%. |
| Ampc 401K Retirement Plan | - | 508 | $43,318,601 | $3,851,794 | $7,582iApproximate average salary by contribution assumption: employee only about $189,557 at 4% or $126,371 at 6%; with 50% employer match about $126,371 at 4% or $84,247 at 6%; with 100% employer match about $94,778 at 4% or $63,186 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 0 | - | - | - |
| Ampc Inc. Health Plan | - | 0 | - | - | - |
| 2017 | 3 | 538 | $45,614,336 | $3,501,528 | $6,508iApproximate average salary by contribution assumption: employee only about $162,710 at 4% or $108,474 at 6%; with 50% employer match about $108,474 at 4% or $72,316 at 6%; with 100% employer match about $81,355 at 4% or $54,237 at 6%. |
| Ampc 401K Retirement Plan | - | 496 | $45,614,336 | $3,501,528 | $7,060iApproximate average salary by contribution assumption: employee only about $176,488 at 4% or $117,659 at 6%; with 50% employer match about $117,659 at 4% or $78,439 at 6%; with 100% employer match about $88,244 at 4% or $58,829 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 538 | - | - | - |
| Ampc Inc. Health Plan | - | 437 | - | - | - |
| 2016 | 3 | 584 | $39,372,352 | $4,199,192 | $7,190iApproximate average salary by contribution assumption: employee only about $179,760 at 4% or $119,840 at 6%; with 50% employer match about $119,840 at 4% or $79,893 at 6%; with 100% employer match about $89,880 at 4% or $59,920 at 6%. |
| Ampc 401K Retirement Plan | - | 551 | $39,372,352 | $4,199,192 | $7,621iApproximate average salary by contribution assumption: employee only about $190,526 at 4% or $127,017 at 6%; with 50% employer match about $127,017 at 4% or $84,678 at 6%; with 100% employer match about $95,263 at 4% or $63,509 at 6%. |
| Ampc Inc. Health Plan | - | 465 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 584 | - | - | - |
| 2015 | 3 | 561 | $35,547,598 | $3,729,014 | $6,647iApproximate average salary by contribution assumption: employee only about $166,177 at 4% or $110,785 at 6%; with 50% employer match about $110,785 at 4% or $73,856 at 6%; with 100% employer match about $83,089 at 4% or $55,392 at 6%. |
| Ampc 401K Retirement Plan | - | 561 | $35,547,598 | $3,729,014 | $6,647iApproximate average salary by contribution assumption: employee only about $166,177 at 4% or $110,785 at 6%; with 50% employer match about $110,785 at 4% or $73,856 at 6%; with 100% employer match about $83,089 at 4% or $55,392 at 6%. |
| Ampc Inc. Health Plan | - | 473 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 557 | - | - | - |
| 2014 | 3 | 579 | $35,395,966 | $3,040,103 | $5,251iApproximate average salary by contribution assumption: employee only about $131,265 at 4% or $87,510 at 6%; with 50% employer match about $87,510 at 4% or $58,340 at 6%; with 100% employer match about $65,633 at 4% or $43,755 at 6%. |
| Ampc 401K Retirement Plan | - | 536 | $35,395,966 | $3,040,103 | $5,672iApproximate average salary by contribution assumption: employee only about $141,796 at 4% or $94,531 at 6%; with 50% employer match about $94,531 at 4% or $63,020 at 6%; with 100% employer match about $70,898 at 4% or $47,265 at 6%. |
| Ampc Inc. Health Plan | - | 466 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 579 | - | - | - |
| 2013 | 3 | 520 | $32,701,833 | $3,917,237 | $7,533iApproximate average salary by contribution assumption: employee only about $188,329 at 4% or $125,552 at 6%; with 50% employer match about $125,552 at 4% or $83,702 at 6%; with 100% employer match about $94,164 at 4% or $62,776 at 6%. |
| Ampc 401K Retirement Plan | - | 496 | $32,701,833 | $3,917,237 | $7,898iApproximate average salary by contribution assumption: employee only about $197,441 at 4% or $131,628 at 6%; with 50% employer match about $131,628 at 4% or $87,752 at 6%; with 100% employer match about $98,721 at 4% or $65,814 at 6%. |
| Ampc Inc. Health Plan | - | 431 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 520 | - | - | - |
| 2012 | 3 | 522 | $24,065,458 | $2,200,097 | $4,215iApproximate average salary by contribution assumption: employee only about $105,369 at 4% or $70,246 at 6%; with 50% employer match about $70,246 at 4% or $46,831 at 6%; with 100% employer match about $52,684 at 4% or $35,123 at 6%. |
| Ampc 401K Retirement Plan | - | 522 | $24,065,458 | $2,200,097 | $4,215iApproximate average salary by contribution assumption: employee only about $105,369 at 4% or $70,246 at 6%; with 50% employer match about $70,246 at 4% or $46,831 at 6%; with 100% employer match about $52,684 at 4% or $35,123 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 458 | - | - | - |
| Ampc Inc. Health Plan | - | 346 | - | - | - |
| 2011 | 3 | 378 | $21,402,254 | $1,843,909 | $4,878iApproximate average salary by contribution assumption: employee only about $121,952 at 4% or $81,301 at 6%; with 50% employer match about $81,301 at 4% or $54,201 at 6%; with 100% employer match about $60,976 at 4% or $40,651 at 6%. |
| Ampc 401K Retirement Plan | - | 357 | $21,402,254 | $1,843,909 | $5,165iApproximate average salary by contribution assumption: employee only about $129,125 at 4% or $86,084 at 6%; with 50% employer match about $86,084 at 4% or $57,389 at 6%; with 100% employer match about $64,563 at 4% or $43,042 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 378 | - | - | - |
| Ampc Inc. Health Plan | - | 316 | - | - | - |
| 2010 | 3 | 376 | $21,579,856 | $1,909,843 | $5,079iApproximate average salary by contribution assumption: employee only about $126,984 at 4% or $84,656 at 6%; with 50% employer match about $84,656 at 4% or $56,437 at 6%; with 100% employer match about $63,492 at 4% or $42,328 at 6%. |
| Ampc 401K Retirement Plan | - | 376 | $21,579,856 | $1,909,843 | $5,079iApproximate average salary by contribution assumption: employee only about $126,984 at 4% or $84,656 at 6%; with 50% employer match about $84,656 at 4% or $56,437 at 6%; with 100% employer match about $63,492 at 4% or $42,328 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 362 | - | - | - |
| Ampc Inc. Health Plan | - | 320 | - | - | - |
| 2009 | 3 | 372 | $18,403,697 | $1,707,874 | $4,591iApproximate average salary by contribution assumption: employee only about $114,776 at 4% or $76,518 at 6%; with 50% employer match about $76,518 at 4% or $51,012 at 6%; with 100% employer match about $57,388 at 4% or $38,259 at 6%. |
| Ampc 401K Retirement Plan | - | 372 | $18,403,697 | $1,707,874 | $4,591iApproximate average salary by contribution assumption: employee only about $114,776 at 4% or $76,518 at 6%; with 50% employer match about $76,518 at 4% or $51,012 at 6%; with 100% employer match about $57,388 at 4% or $38,259 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 367 | - | - | - |
| Ampc Inc. Health Plan | - | 326 | - | - | - |
| 2008 | 3 | 384 | $13,164,596 | $1,865,619 | $4,858iApproximate average salary by contribution assumption: employee only about $121,460 at 4% or $80,973 at 6%; with 50% employer match about $80,973 at 4% or $53,982 at 6%; with 100% employer match about $60,730 at 4% or $40,487 at 6%. |
| Ampc 401K Retirement Plan | - | 384 | $13,164,596 | $1,865,619 | $4,858iApproximate average salary by contribution assumption: employee only about $121,460 at 4% or $80,973 at 6%; with 50% employer match about $80,973 at 4% or $53,982 at 6%; with 100% employer match about $60,730 at 4% or $40,487 at 6%. |
| Ampc Inc. Health Plan | - | 326 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 361 | - | - | - |
| 2007 | 3 | 364 | $18,074,732 | $1,458,860 | $4,008iApproximate average salary by contribution assumption: employee only about $100,196 at 4% or $66,798 at 6%; with 50% employer match about $66,798 at 4% or $44,532 at 6%; with 100% employer match about $50,098 at 4% or $33,399 at 6%. |
| Ampc 401K Retirement Plan | - | 364 | $18,074,732 | $1,458,860 | $4,008iApproximate average salary by contribution assumption: employee only about $100,196 at 4% or $66,798 at 6%; with 50% employer match about $66,798 at 4% or $44,532 at 6%; with 100% employer match about $50,098 at 4% or $33,399 at 6%. |
| Ampc Inc. Health Plan | - | 312 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 348 | - | - | - |
| 2006 | 3 | 338 | $15,586,524 | $1,429,004 | $4,228iApproximate average salary by contribution assumption: employee only about $105,696 at 4% or $70,464 at 6%; with 50% employer match about $70,464 at 4% or $46,976 at 6%; with 100% employer match about $52,848 at 4% or $35,232 at 6%. |
| Ampc 401K Retirement Plan | - | 336 | $15,586,524 | $1,429,004 | $4,253iApproximate average salary by contribution assumption: employee only about $106,325 at 4% or $70,883 at 6%; with 50% employer match about $70,883 at 4% or $47,255 at 6%; with 100% employer match about $53,162 at 4% or $35,442 at 6%. |
| Ampc Inc. Flexible Benefit Plan | - | 338 | - | - | - |
| Ampc Inc. Health Plan | - | 292 | - | - | - |
| 2005 | 3 | 337 | $13,280,898 | $1,216,973 | $3,611iApproximate average salary by contribution assumption: employee only about $90,280 at 4% or $60,187 at 6%; with 50% employer match about $60,187 at 4% or $40,124 at 6%; with 100% employer match about $45,140 at 4% or $30,093 at 6%. |
| Ampc 401K Retirement Plan | - | 317 | $13,280,898 | $1,216,973 | $3,839iApproximate average salary by contribution assumption: employee only about $95,976 at 4% or $63,984 at 6%; with 50% employer match about $63,984 at 4% or $42,656 at 6%; with 100% employer match about $47,988 at 4% or $31,992 at 6%. |
| Ampc Inc. Health Plan | - | 291 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 337 | - | - | - |
| 2004 | 3 | 299 | $11,676,283 | $1,508,547 | $5,045iApproximate average salary by contribution assumption: employee only about $126,133 at 4% or $84,088 at 6%; with 50% employer match about $84,088 at 4% or $56,059 at 6%; with 100% employer match about $63,066 at 4% or $42,044 at 6%. |
| Ampc 401K Retirement Plan | - | 299 | $11,676,283 | $1,508,547 | $5,045iApproximate average salary by contribution assumption: employee only about $126,133 at 4% or $84,088 at 6%; with 50% employer match about $84,088 at 4% or $56,059 at 6%; with 100% employer match about $63,066 at 4% or $42,044 at 6%. |
| Ampc Inc. Health Plan | - | 258 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 297 | - | - | - |
| 2003 | 3 | 417 | $10,893,700 | $1,654,082 | $3,967iApproximate average salary by contribution assumption: employee only about $99,166 at 4% or $66,110 at 6%; with 50% employer match about $66,110 at 4% or $44,074 at 6%; with 100% employer match about $49,583 at 4% or $33,055 at 6%. |
| Ampc 401K Retirement Plan | - | 417 | $10,893,700 | $1,654,082 | $3,967iApproximate average salary by contribution assumption: employee only about $99,166 at 4% or $66,110 at 6%; with 50% employer match about $66,110 at 4% or $44,074 at 6%; with 100% employer match about $49,583 at 4% or $33,055 at 6%. |
| Ampc Inc. Health Plan | - | 322 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 410 | - | - | - |
| 2002 | 3 | 464 | $7,801,354 | $1,671,035 | $3,601iApproximate average salary by contribution assumption: employee only about $90,034 at 4% or $60,023 at 6%; with 50% employer match about $60,023 at 4% or $40,015 at 6%; with 100% employer match about $45,017 at 4% or $30,011 at 6%. |
| Ampc 401K Retirement Plan | - | 464 | $7,801,354 | $1,671,035 | $3,601iApproximate average salary by contribution assumption: employee only about $90,034 at 4% or $60,023 at 6%; with 50% employer match about $60,023 at 4% or $40,015 at 6%; with 100% employer match about $45,017 at 4% or $30,011 at 6%. |
| Ampc Inc. Health Plan | - | 348 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 419 | - | - | - |
| 2001 | 3 | 397 | $8,844,222 | $1,655,586 | $4,170iApproximate average salary by contribution assumption: employee only about $104,256 at 4% or $69,504 at 6%; with 50% employer match about $69,504 at 4% or $46,336 at 6%; with 100% employer match about $52,128 at 4% or $34,752 at 6%. |
| Ampc 401K Retirement Plan | - | 385 | $8,844,222 | $1,655,586 | $4,300iApproximate average salary by contribution assumption: employee only about $107,506 at 4% or $71,670 at 6%; with 50% employer match about $71,670 at 4% or $47,780 at 6%; with 100% employer match about $53,753 at 4% or $35,835 at 6%. |
| Ampc Inc. Health Plan | - | 397 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 397 | - | - | - |
| 2000 | 3 | 422 | $9,672,672 | $1,772,669 | $4,201iApproximate average salary by contribution assumption: employee only about $105,016 at 4% or $70,011 at 6%; with 50% employer match about $70,011 at 4% or $46,674 at 6%; with 100% employer match about $52,508 at 4% or $35,005 at 6%. |
| Ampc 401K Retirement Plan | - | 422 | $9,672,672 | $1,772,669 | $4,201iApproximate average salary by contribution assumption: employee only about $105,016 at 4% or $70,011 at 6%; with 50% employer match about $70,011 at 4% or $46,674 at 6%; with 100% employer match about $52,508 at 4% or $35,005 at 6%. |
| Ampc Inc. Health Plan | - | 392 | - | - | - |
| Ampc Inc. Flexible Benefit Plan | - | 419 | - | - | - |
| 1999 | 1 | 432 | $9,600,415 | $1,545,043 | $3,576iApproximate average salary by contribution assumption: employee only about $89,412 at 4% or $59,608 at 6%; with 50% employer match about $59,608 at 4% or $39,739 at 6%; with 100% employer match about $44,706 at 4% or $29,804 at 6%. |
| Ampc 401K Retirement Plan | - | 432 | $9,600,415 | $1,545,043 | $3,576iApproximate average salary by contribution assumption: employee only about $89,412 at 4% or $59,608 at 6%; with 50% employer match about $59,608 at 4% or $39,739 at 6%; with 100% employer match about $44,706 at 4% or $29,804 at 6%. |