Civic Intelligence

John F. Mcmahon, D.D.S. PLC

Plan context: John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan

EIN 38-3250003 • Grand Rapids, MI • 45 filings • 5 plans

1628 Amberley Ct. SEGrand Rapids, MI 49506
Current Snapshot

Latest Year

2024

2024 Participants

24

2024 Assets

$1,071,065

2024 Contributions

$131,345

Historical Graphs

Total Assets Over Time

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

$4,983,032$2,491,516$0199920132024YearValue
$1,071,065Latest year 2024

Participants Over Time

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

31160199920122024YearValue
24Latest year 2024

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
2024124$1,071,065$131,345$5,473iApproximate average salary by contribution assumption: employee only about $136,818 at 4% or $91,212 at 6%; with 50% employer match about $91,212 at 4% or $60,808 at 6%; with 100% employer match about $68,409 at 4% or $45,606 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-24$1,071,065$131,345$5,473iApproximate average salary by contribution assumption: employee only about $136,818 at 4% or $91,212 at 6%; with 50% employer match about $91,212 at 4% or $60,808 at 6%; with 100% employer match about $68,409 at 4% or $45,606 at 6%.
2023125$3,372,604$63,969$2,559iApproximate average salary by contribution assumption: employee only about $63,969 at 4% or $42,646 at 6%; with 50% employer match about $42,646 at 4% or $28,431 at 6%; with 100% employer match about $31,985 at 4% or $21,323 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-25$3,372,604$63,969$2,559iApproximate average salary by contribution assumption: employee only about $63,969 at 4% or $42,646 at 6%; with 50% employer match about $42,646 at 4% or $28,431 at 6%; with 100% employer match about $31,985 at 4% or $21,323 at 6%.
2022124$2,949,861$205,474$8,561iApproximate average salary by contribution assumption: employee only about $214,035 at 4% or $142,690 at 6%; with 50% employer match about $142,690 at 4% or $95,127 at 6%; with 100% employer match about $107,018 at 4% or $71,345 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-24$2,949,861$205,474$8,561iApproximate average salary by contribution assumption: employee only about $214,035 at 4% or $142,690 at 6%; with 50% employer match about $142,690 at 4% or $95,127 at 6%; with 100% employer match about $107,018 at 4% or $71,345 at 6%.
2021217$3,105,152$229,815$13,519iApproximate average salary by contribution assumption: employee only about $337,963 at 4% or $225,309 at 6%; with 50% employer match about $225,309 at 4% or $150,206 at 6%; with 100% employer match about $168,982 at 4% or $112,654 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-17$3,105,152$229,815$13,519iApproximate average salary by contribution assumption: employee only about $337,963 at 4% or $225,309 at 6%; with 50% employer match about $225,309 at 4% or $150,206 at 6%; with 100% employer match about $168,982 at 4% or $112,654 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-0$0--
2020218$4,983,032$190,210$10,567iApproximate average salary by contribution assumption: employee only about $264,181 at 4% or $176,120 at 6%; with 50% employer match about $176,120 at 4% or $117,414 at 6%; with 100% employer match about $132,090 at 4% or $88,060 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-18$3,221,913$190,210$10,567iApproximate average salary by contribution assumption: employee only about $264,181 at 4% or $176,120 at 6%; with 50% employer match about $176,120 at 4% or $117,414 at 6%; with 100% employer match about $132,090 at 4% or $88,060 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-14$1,761,119--
2019218$4,285,706$162,215$9,012iApproximate average salary by contribution assumption: employee only about $225,299 at 4% or $150,199 at 6%; with 50% employer match about $150,199 at 4% or $100,133 at 6%; with 100% employer match about $112,649 at 4% or $75,100 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-18$2,641,944$111,951$6,220iApproximate average salary by contribution assumption: employee only about $155,488 at 4% or $103,658 at 6%; with 50% employer match about $103,658 at 4% or $69,106 at 6%; with 100% employer match about $77,744 at 4% or $51,829 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-15$1,643,762$50,264$3,351iApproximate average salary by contribution assumption: employee only about $83,773 at 4% or $55,849 at 6%; with 50% employer match about $55,849 at 4% or $37,233 at 6%; with 100% employer match about $41,887 at 4% or $27,924 at 6%.
2018219$3,564,771$165,437$8,707iApproximate average salary by contribution assumption: employee only about $217,680 at 4% or $145,120 at 6%; with 50% employer match about $145,120 at 4% or $96,747 at 6%; with 100% employer match about $108,840 at 4% or $72,560 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-19$2,146,710$117,993$6,210iApproximate average salary by contribution assumption: employee only about $155,254 at 4% or $103,503 at 6%; with 50% employer match about $103,503 at 4% or $69,002 at 6%; with 100% employer match about $77,627 at 4% or $51,751 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-15$1,418,061$47,444$3,163iApproximate average salary by contribution assumption: employee only about $79,073 at 4% or $52,716 at 6%; with 50% employer match about $52,716 at 4% or $35,144 at 6%; with 100% employer match about $39,537 at 4% or $26,358 at 6%.
2017218$3,984,139$161,862$8,992iApproximate average salary by contribution assumption: employee only about $224,808 at 4% or $149,872 at 6%; with 50% employer match about $149,872 at 4% or $99,915 at 6%; with 100% employer match about $112,404 at 4% or $74,936 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-18$2,580,020$119,778$6,654iApproximate average salary by contribution assumption: employee only about $166,358 at 4% or $110,906 at 6%; with 50% employer match about $110,906 at 4% or $73,937 at 6%; with 100% employer match about $83,179 at 4% or $55,453 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-13$1,404,119$42,084$3,237iApproximate average salary by contribution assumption: employee only about $80,931 at 4% or $53,954 at 6%; with 50% employer match about $53,954 at 4% or $35,969 at 6%; with 100% employer match about $40,465 at 4% or $26,977 at 6%.
2016216$3,358,889$226,248$14,141iApproximate average salary by contribution assumption: employee only about $353,513 at 4% or $235,675 at 6%; with 50% employer match about $235,675 at 4% or $157,117 at 6%; with 100% employer match about $176,756 at 4% or $117,838 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-16$2,087,852$115,089$7,193iApproximate average salary by contribution assumption: employee only about $179,827 at 4% or $119,884 at 6%; with 50% employer match about $119,884 at 4% or $79,923 at 6%; with 100% employer match about $89,913 at 4% or $59,942 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-11$1,271,037$111,159$10,105iApproximate average salary by contribution assumption: employee only about $252,634 at 4% or $168,423 at 6%; with 50% employer match about $168,423 at 4% or $112,282 at 6%; with 100% employer match about $126,317 at 4% or $84,211 at 6%.
2015215$2,932,919$226,620$15,108iApproximate average salary by contribution assumption: employee only about $377,700 at 4% or $251,800 at 6%; with 50% employer match about $251,800 at 4% or $167,867 at 6%; with 100% employer match about $188,850 at 4% or $125,900 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-15$1,830,352$113,284$7,552iApproximate average salary by contribution assumption: employee only about $188,807 at 4% or $125,871 at 6%; with 50% employer match about $125,871 at 4% or $83,914 at 6%; with 100% employer match about $94,403 at 4% or $62,936 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-9$1,102,567$113,336$12,593iApproximate average salary by contribution assumption: employee only about $314,822 at 4% or $209,881 at 6%; with 50% employer match about $209,881 at 4% or $139,921 at 6%; with 100% employer match about $157,411 at 4% or $104,941 at 6%.
2014218$2,843,200$227,913$12,662iApproximate average salary by contribution assumption: employee only about $316,546 at 4% or $211,031 at 6%; with 50% employer match about $211,031 at 4% or $140,687 at 6%; with 100% employer match about $158,273 at 4% or $105,515 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-18$1,790,038$115,171$6,398iApproximate average salary by contribution assumption: employee only about $159,960 at 4% or $106,640 at 6%; with 50% employer match about $106,640 at 4% or $71,093 at 6%; with 100% employer match about $79,980 at 4% or $53,320 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-9$1,053,162$112,742$12,527iApproximate average salary by contribution assumption: employee only about $313,172 at 4% or $208,781 at 6%; with 50% employer match about $208,781 at 4% or $139,188 at 6%; with 100% employer match about $156,586 at 4% or $104,391 at 6%.
2013215$2,510,776$139,084$9,272iApproximate average salary by contribution assumption: employee only about $231,807 at 4% or $154,538 at 6%; with 50% employer match about $154,538 at 4% or $103,025 at 6%; with 100% employer match about $115,903 at 4% or $77,269 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-15$1,593,901$87,652$5,843iApproximate average salary by contribution assumption: employee only about $146,087 at 4% or $97,391 at 6%; with 50% employer match about $97,391 at 4% or $64,927 at 6%; with 100% employer match about $73,043 at 4% or $48,696 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-8$916,875$51,432$6,429iApproximate average salary by contribution assumption: employee only about $160,725 at 4% or $107,150 at 6%; with 50% employer match about $107,150 at 4% or $71,433 at 6%; with 100% employer match about $80,363 at 4% or $53,575 at 6%.
2012214$2,077,463$218,087$15,578iApproximate average salary by contribution assumption: employee only about $389,441 at 4% or $259,627 at 6%; with 50% employer match about $259,627 at 4% or $173,085 at 6%; with 100% employer match about $194,721 at 4% or $129,814 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-14$1,210,515$84,663$6,047iApproximate average salary by contribution assumption: employee only about $151,184 at 4% or $100,789 at 6%; with 50% employer match about $100,789 at 4% or $67,193 at 6%; with 100% employer match about $75,592 at 4% or $50,395 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7$866,948$133,424$19,061iApproximate average salary by contribution assumption: employee only about $476,514 at 4% or $317,676 at 6%; with 50% employer match about $317,676 at 4% or $211,784 at 6%; with 100% employer match about $238,257 at 4% or $158,838 at 6%.
2011212$1,778,953$218,189$18,182iApproximate average salary by contribution assumption: employee only about $454,560 at 4% or $303,040 at 6%; with 50% employer match about $303,040 at 4% or $202,027 at 6%; with 100% employer match about $227,280 at 4% or $151,520 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-12$1,081,843$81,482$6,790iApproximate average salary by contribution assumption: employee only about $169,754 at 4% or $113,169 at 6%; with 50% employer match about $113,169 at 4% or $75,446 at 6%; with 100% employer match about $84,877 at 4% or $56,585 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7$697,110$136,707$19,530iApproximate average salary by contribution assumption: employee only about $488,239 at 4% or $325,493 at 6%; with 50% employer match about $325,493 at 4% or $216,995 at 6%; with 100% employer match about $244,120 at 4% or $162,746 at 6%.
2010213$1,647,981$159,003$12,231iApproximate average salary by contribution assumption: employee only about $305,775 at 4% or $203,850 at 6%; with 50% employer match about $203,850 at 4% or $135,900 at 6%; with 100% employer match about $152,888 at 4% or $101,925 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-13$1,094,189$77,534$5,964iApproximate average salary by contribution assumption: employee only about $149,104 at 4% or $99,403 at 6%; with 50% employer match about $99,403 at 4% or $66,268 at 6%; with 100% employer match about $74,552 at 4% or $49,701 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-8$553,792$81,469$10,184iApproximate average salary by contribution assumption: employee only about $254,591 at 4% or $169,727 at 6%; with 50% employer match about $169,727 at 4% or $113,151 at 6%; with 100% employer match about $127,295 at 4% or $84,864 at 6%.
2009213$1,361,981$190,689$14,668iApproximate average salary by contribution assumption: employee only about $366,710 at 4% or $244,473 at 6%; with 50% employer match about $244,473 at 4% or $162,982 at 6%; with 100% employer match about $183,355 at 4% or $122,237 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-13$880,395$71,884$5,530iApproximate average salary by contribution assumption: employee only about $138,238 at 4% or $92,159 at 6%; with 50% employer match about $92,159 at 4% or $61,439 at 6%; with 100% employer match about $69,119 at 4% or $46,079 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7$481,586$118,805$16,972iApproximate average salary by contribution assumption: employee only about $424,304 at 4% or $282,869 at 6%; with 50% employer match about $282,869 at 4% or $188,579 at 6%; with 100% employer match about $212,152 at 4% or $141,435 at 6%.
2008212$0$0-
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-0---
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-12---
2007213$0$0-
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7---
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-13---
2006211$994,181$156,911$14,265iApproximate average salary by contribution assumption: employee only about $356,616 at 4% or $237,744 at 6%; with 50% employer match about $237,744 at 4% or $158,496 at 6%; with 100% employer match about $178,308 at 4% or $118,872 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-11$723,604$103,146$9,377iApproximate average salary by contribution assumption: employee only about $234,423 at 4% or $156,282 at 6%; with 50% employer match about $156,282 at 4% or $104,188 at 6%; with 100% employer match about $117,211 at 4% or $78,141 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7$270,577$53,765$7,681iApproximate average salary by contribution assumption: employee only about $192,018 at 4% or $128,012 at 6%; with 50% employer match about $128,012 at 4% or $85,341 at 6%; with 100% employer match about $96,009 at 4% or $64,006 at 6%.
2005212$737,889$148,384$12,365iApproximate average salary by contribution assumption: employee only about $309,133 at 4% or $206,089 at 6%; with 50% employer match about $206,089 at 4% or $137,393 at 6%; with 100% employer match about $154,567 at 4% or $103,044 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-12$537,856$97,151$8,096iApproximate average salary by contribution assumption: employee only about $202,398 at 4% or $134,932 at 6%; with 50% employer match about $134,932 at 4% or $89,955 at 6%; with 100% employer match about $101,199 at 4% or $67,466 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-7$200,033$51,233$7,319iApproximate average salary by contribution assumption: employee only about $182,975 at 4% or $121,983 at 6%; with 50% employer match about $121,983 at 4% or $81,322 at 6%; with 100% employer match about $91,488 at 4% or $60,992 at 6%.
2004212$562,882$130,732$10,894iApproximate average salary by contribution assumption: employee only about $272,358 at 4% or $181,572 at 6%; with 50% employer match about $181,572 at 4% or $121,048 at 6%; with 100% employer match about $136,179 at 4% or $90,786 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-12$417,105$83,448$6,954iApproximate average salary by contribution assumption: employee only about $173,850 at 4% or $115,900 at 6%; with 50% employer match about $115,900 at 4% or $77,267 at 6%; with 100% employer match about $86,925 at 4% or $57,950 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-6$145,777$47,284$7,881iApproximate average salary by contribution assumption: employee only about $197,017 at 4% or $131,344 at 6%; with 50% employer match about $131,344 at 4% or $87,563 at 6%; with 100% employer match about $98,508 at 4% or $65,672 at 6%.
2003211$298,841$83,484$7,589iApproximate average salary by contribution assumption: employee only about $189,736 at 4% or $126,491 at 6%; with 50% employer match about $126,491 at 4% or $84,327 at 6%; with 100% employer match about $94,868 at 4% or $63,245 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-11$298,841$83,484$7,589iApproximate average salary by contribution assumption: employee only about $189,736 at 4% or $126,491 at 6%; with 50% employer match about $126,491 at 4% or $84,327 at 6%; with 100% employer match about $94,868 at 4% or $63,245 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-6---
2002231$43,574$43,574$1,406iApproximate average salary by contribution assumption: employee only about $35,140 at 4% or $23,427 at 6%; with 50% employer match about $23,427 at 4% or $15,618 at 6%; with 100% employer match about $17,570 at 4% or $11,713 at 6%.
JOHN F. MCMAHON, D.D.S., P.C. DEFINED BENEFIT PENSION PLAN-5$43,574$43,574$8,715iApproximate average salary by contribution assumption: employee only about $217,870 at 4% or $145,247 at 6%; with 50% employer match about $145,247 at 4% or $96,831 at 6%; with 100% employer match about $108,935 at 4% or $72,623 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-31---
2000112$430,072$30,181$2,515iApproximate average salary by contribution assumption: employee only about $62,877 at 4% or $41,918 at 6%; with 50% employer match about $41,918 at 4% or $27,945 at 6%; with 100% employer match about $31,439 at 4% or $20,959 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-12$430,072$30,181$2,515iApproximate average salary by contribution assumption: employee only about $62,877 at 4% or $41,918 at 6%; with 50% employer match about $41,918 at 4% or $27,945 at 6%; with 100% employer match about $31,439 at 4% or $20,959 at 6%.
1999118$404,346$30,482$1,693iApproximate average salary by contribution assumption: employee only about $42,336 at 4% or $28,224 at 6%; with 50% employer match about $28,224 at 4% or $18,816 at 6%; with 100% employer match about $21,168 at 4% or $14,112 at 6%.
John F. Mcmahon, D.D.S. PC. 401(K) Profit Sharing Plan-18$404,346$30,482$1,693iApproximate average salary by contribution assumption: employee only about $42,336 at 4% or $28,224 at 6%; with 50% employer match about $28,224 at 4% or $18,816 at 6%; with 100% employer match about $21,168 at 4% or $14,112 at 6%.