Hartley Michon Robb Hannon LLP
Plan context: Hartley Michon Robb Hannon LLP 401(K) Plan
EIN 13-4299300 • Boston, MA • 23 filings • 9 plans
Current Snapshot
Latest Year
2025
2025 Participants
15
2025 Assets
$8,954,987
2025 Contributions
$354,225
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 | 15 | $8,954,987 | $354,225 | $23,615iApproximate average salary by contribution assumption: employee only about $590,375 at 4% or $393,583 at 6%; with 50% employer match about $393,583 at 4% or $262,389 at 6%; with 100% employer match about $295,188 at 4% or $196,792 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 15 | $8,954,987 | $354,225 | $23,615iApproximate average salary by contribution assumption: employee only about $590,375 at 4% or $393,583 at 6%; with 50% employer match about $393,583 at 4% or $262,389 at 6%; with 100% employer match about $295,188 at 4% or $196,792 at 6%. |
| 2024 | 2 | 20 | $8,263,584 | $645,031 | $32,252iApproximate average salary by contribution assumption: employee only about $806,289 at 4% or $537,526 at 6%; with 50% employer match about $537,526 at 4% or $358,351 at 6%; with 100% employer match about $403,144 at 4% or $268,763 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 20 | $7,625,813 | $339,162 | $16,958iApproximate average salary by contribution assumption: employee only about $423,952 at 4% or $282,635 at 6%; with 50% employer match about $282,635 at 4% or $188,423 at 6%; with 100% employer match about $211,976 at 4% or $141,318 at 6%. |
| HARTLEY MICHON ROBB HANNON LLP CASH BALANCE PLAN | - | 6 | $637,771 | $305,869 | $50,978iApproximate average salary by contribution assumption: employee only about $1,274,454 at 4% or $849,636 at 6%; with 50% employer match about $849,636 at 4% or $566,424 at 6%; with 100% employer match about $637,227 at 4% or $424,818 at 6%. |
| 2023 | 2 | 17 | $6,631,839 | $642,055 | $37,768iApproximate average salary by contribution assumption: employee only about $944,199 at 4% or $629,466 at 6%; with 50% employer match about $629,466 at 4% or $419,644 at 6%; with 100% employer match about $472,099 at 4% or $314,733 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 17 | $6,321,494 | $331,710 | $19,512iApproximate average salary by contribution assumption: employee only about $487,809 at 4% or $325,206 at 6%; with 50% employer match about $325,206 at 4% or $216,804 at 6%; with 100% employer match about $243,904 at 4% or $162,603 at 6%. |
| HARTLEY MICHON ROBB HANNON LLP CASH BALANCE PLAN | - | 7 | $310,345 | $310,345 | $44,335iApproximate average salary by contribution assumption: employee only about $1,108,375 at 4% or $738,917 at 6%; with 50% employer match about $738,917 at 4% or $492,611 at 6%; with 100% employer match about $554,188 at 4% or $369,458 at 6%. |
| 2022 | 1 | 16 | $5,114,076 | $317,750 | $19,859iApproximate average salary by contribution assumption: employee only about $496,484 at 4% or $330,990 at 6%; with 50% employer match about $330,990 at 4% or $220,660 at 6%; with 100% employer match about $248,242 at 4% or $165,495 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 16 | $5,114,076 | $317,750 | $19,859iApproximate average salary by contribution assumption: employee only about $496,484 at 4% or $330,990 at 6%; with 50% employer match about $330,990 at 4% or $220,660 at 6%; with 100% employer match about $248,242 at 4% or $165,495 at 6%. |
| 2021 | 1 | 17 | $5,889,986 | $269,078 | $15,828iApproximate average salary by contribution assumption: employee only about $395,703 at 4% or $263,802 at 6%; with 50% employer match about $263,802 at 4% or $175,868 at 6%; with 100% employer match about $197,851 at 4% or $131,901 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 17 | $5,889,986 | $269,078 | $15,828iApproximate average salary by contribution assumption: employee only about $395,703 at 4% or $263,802 at 6%; with 50% employer match about $263,802 at 4% or $175,868 at 6%; with 100% employer match about $197,851 at 4% or $131,901 at 6%. |
| 2020 | 1 | 16 | $4,796,221 | $229,246 | $14,328iApproximate average salary by contribution assumption: employee only about $358,197 at 4% or $238,798 at 6%; with 50% employer match about $238,798 at 4% or $159,199 at 6%; with 100% employer match about $179,098 at 4% or $119,399 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 16 | $4,796,221 | $229,246 | $14,328iApproximate average salary by contribution assumption: employee only about $358,197 at 4% or $238,798 at 6%; with 50% employer match about $238,798 at 4% or $159,199 at 6%; with 100% employer match about $179,098 at 4% or $119,399 at 6%. |
| 2019 | 1 | 14 | $4,014,754 | $208,975 | $14,927iApproximate average salary by contribution assumption: employee only about $373,170 at 4% or $248,780 at 6%; with 50% employer match about $248,780 at 4% or $165,853 at 6%; with 100% employer match about $186,585 at 4% or $124,390 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 14 | $4,014,754 | $208,975 | $14,927iApproximate average salary by contribution assumption: employee only about $373,170 at 4% or $248,780 at 6%; with 50% employer match about $248,780 at 4% or $165,853 at 6%; with 100% employer match about $186,585 at 4% or $124,390 at 6%. |
| 2018 | 1 | 13 | $3,173,644 | $224,966 | $17,305iApproximate average salary by contribution assumption: employee only about $432,627 at 4% or $288,418 at 6%; with 50% employer match about $288,418 at 4% or $192,279 at 6%; with 100% employer match about $216,313 at 4% or $144,209 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 13 | $3,173,644 | $224,966 | $17,305iApproximate average salary by contribution assumption: employee only about $432,627 at 4% or $288,418 at 6%; with 50% employer match about $288,418 at 4% or $192,279 at 6%; with 100% employer match about $216,313 at 4% or $144,209 at 6%. |
| 2017 | 1 | 13 | $3,136,808 | $178,822 | $13,756iApproximate average salary by contribution assumption: employee only about $343,888 at 4% or $229,259 at 6%; with 50% employer match about $229,259 at 4% or $152,839 at 6%; with 100% employer match about $171,944 at 4% or $114,629 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 13 | $3,136,808 | $178,822 | $13,756iApproximate average salary by contribution assumption: employee only about $343,888 at 4% or $229,259 at 6%; with 50% employer match about $229,259 at 4% or $152,839 at 6%; with 100% employer match about $171,944 at 4% or $114,629 at 6%. |
| 2016 | 1 | 14 | $2,589,182 | $197,120 | $14,080iApproximate average salary by contribution assumption: employee only about $352,000 at 4% or $234,667 at 6%; with 50% employer match about $234,667 at 4% or $156,444 at 6%; with 100% employer match about $176,000 at 4% or $117,333 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 14 | $2,589,182 | $197,120 | $14,080iApproximate average salary by contribution assumption: employee only about $352,000 at 4% or $234,667 at 6%; with 50% employer match about $234,667 at 4% or $156,444 at 6%; with 100% employer match about $176,000 at 4% or $117,333 at 6%. |
| 2015 | 1 | 14 | $2,807,843 | $233,172 | $16,655iApproximate average salary by contribution assumption: employee only about $416,379 at 4% or $277,586 at 6%; with 50% employer match about $277,586 at 4% or $185,057 at 6%; with 100% employer match about $208,189 at 4% or $138,793 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 14 | $2,807,843 | $233,172 | $16,655iApproximate average salary by contribution assumption: employee only about $416,379 at 4% or $277,586 at 6%; with 50% employer match about $277,586 at 4% or $185,057 at 6%; with 100% employer match about $208,189 at 4% or $138,793 at 6%. |
| 2014 | 1 | 15 | $2,723,090 | $253,001 | $16,867iApproximate average salary by contribution assumption: employee only about $421,668 at 4% or $281,112 at 6%; with 50% employer match about $281,112 at 4% or $187,408 at 6%; with 100% employer match about $210,834 at 4% or $140,556 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 15 | $2,723,090 | $253,001 | $16,867iApproximate average salary by contribution assumption: employee only about $421,668 at 4% or $281,112 at 6%; with 50% employer match about $281,112 at 4% or $187,408 at 6%; with 100% employer match about $210,834 at 4% or $140,556 at 6%. |
| 2013 | 1 | 17 | $2,896,029 | $277,945 | $16,350iApproximate average salary by contribution assumption: employee only about $408,743 at 4% or $272,495 at 6%; with 50% employer match about $272,495 at 4% or $181,663 at 6%; with 100% employer match about $204,371 at 4% or $136,248 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 17 | $2,896,029 | $277,945 | $16,350iApproximate average salary by contribution assumption: employee only about $408,743 at 4% or $272,495 at 6%; with 50% employer match about $272,495 at 4% or $181,663 at 6%; with 100% employer match about $204,371 at 4% or $136,248 at 6%. |
| 2012 | 1 | 13 | $2,215,157 | $241,719 | $18,594iApproximate average salary by contribution assumption: employee only about $464,844 at 4% or $309,896 at 6%; with 50% employer match about $309,896 at 4% or $206,597 at 6%; with 100% employer match about $232,422 at 4% or $154,948 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 13 | $2,215,157 | $241,719 | $18,594iApproximate average salary by contribution assumption: employee only about $464,844 at 4% or $309,896 at 6%; with 50% employer match about $309,896 at 4% or $206,597 at 6%; with 100% employer match about $232,422 at 4% or $154,948 at 6%. |
| 2011 | 1 | 16 | $1,825,894 | $244,338 | $15,271iApproximate average salary by contribution assumption: employee only about $381,778 at 4% or $254,519 at 6%; with 50% employer match about $254,519 at 4% or $169,679 at 6%; with 100% employer match about $190,889 at 4% or $127,259 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 16 | $1,825,894 | $244,338 | $15,271iApproximate average salary by contribution assumption: employee only about $381,778 at 4% or $254,519 at 6%; with 50% employer match about $254,519 at 4% or $169,679 at 6%; with 100% employer match about $190,889 at 4% or $127,259 at 6%. |
| 2010 | 1 | 13 | $1,540,201 | $239,035 | $18,387iApproximate average salary by contribution assumption: employee only about $459,683 at 4% or $306,455 at 6%; with 50% employer match about $306,455 at 4% or $204,303 at 6%; with 100% employer match about $229,841 at 4% or $153,228 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 13 | $1,540,201 | $239,035 | $18,387iApproximate average salary by contribution assumption: employee only about $459,683 at 4% or $306,455 at 6%; with 50% employer match about $306,455 at 4% or $204,303 at 6%; with 100% employer match about $229,841 at 4% or $153,228 at 6%. |
| 2009 | 1 | 12 | $1,227,941 | $305,666 | $25,472iApproximate average salary by contribution assumption: employee only about $636,804 at 4% or $424,536 at 6%; with 50% employer match about $424,536 at 4% or $283,024 at 6%; with 100% employer match about $318,402 at 4% or $212,268 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 12 | $1,227,941 | $305,666 | $25,472iApproximate average salary by contribution assumption: employee only about $636,804 at 4% or $424,536 at 6%; with 50% employer match about $424,536 at 4% or $283,024 at 6%; with 100% employer match about $318,402 at 4% or $212,268 at 6%. |
| 2008 | 1 | 11 | $786,645 | $286,130 | $26,012iApproximate average salary by contribution assumption: employee only about $650,295 at 4% or $433,530 at 6%; with 50% employer match about $433,530 at 4% or $289,020 at 6%; with 100% employer match about $325,148 at 4% or $216,765 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 11 | $786,645 | $286,130 | $26,012iApproximate average salary by contribution assumption: employee only about $650,295 at 4% or $433,530 at 6%; with 50% employer match about $433,530 at 4% or $289,020 at 6%; with 100% employer match about $325,148 at 4% or $216,765 at 6%. |
| 2007 | 1 | 12 | $0 | $0 | - |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 12 | - | - | - |
| 2006 | 1 | 13 | $376,285 | $327,883 | $25,222iApproximate average salary by contribution assumption: employee only about $630,544 at 4% or $420,363 at 6%; with 50% employer match about $420,363 at 4% or $280,242 at 6%; with 100% employer match about $315,272 at 4% or $210,181 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 13 | $376,285 | $327,883 | $25,222iApproximate average salary by contribution assumption: employee only about $630,544 at 4% or $420,363 at 6%; with 50% employer match about $420,363 at 4% or $280,242 at 6%; with 100% employer match about $315,272 at 4% or $210,181 at 6%. |
| 2005 | 1 | 12 | $42,718 | $42,752 | $3,563iApproximate average salary by contribution assumption: employee only about $89,067 at 4% or $59,378 at 6%; with 50% employer match about $59,378 at 4% or $39,585 at 6%; with 100% employer match about $44,533 at 4% or $29,689 at 6%. |
| Hartley Michon Robb Hannon LLP 401(K) Plan | - | 12 | $42,718 | $42,752 | $3,563iApproximate average salary by contribution assumption: employee only about $89,067 at 4% or $59,378 at 6%; with 50% employer match about $59,378 at 4% or $39,585 at 6%; with 100% employer match about $44,533 at 4% or $29,689 at 6%. |