Civic Intelligence

William V. Byrne, D.M.D.

Plan context: William V. Byrne, D.M.D.

EIN 04-3255326 • Watertown, MA • 25 filings • 4 plans

148 Main StreetWatertown, MA 02472
Current Snapshot

Latest Year

2024

2024 Participants

7

2024 Assets

$3,273,287

2024 Contributions

$196,557

Historical Graphs

Total Assets Over Time

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

$3,273,287$1,636,644$0200920172024YearValue
$3,273,287Latest year 2024

Participants Over Time

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

840200920172024YearValue
7Latest 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
202427$3,273,287$196,557$28,080iApproximate average salary by contribution assumption: employee only about $701,989 at 4% or $467,993 at 6%; with 50% employer match about $467,993 at 4% or $311,995 at 6%; with 100% employer match about $350,995 at 4% or $233,996 at 6%.
William V. Byrne, D.M.D.-7$2,137,676$96,557$13,794iApproximate average salary by contribution assumption: employee only about $344,846 at 4% or $229,898 at 6%; with 50% employer match about $229,898 at 4% or $153,265 at 6%; with 100% employer match about $172,423 at 4% or $114,949 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-5$1,135,611$100,000$20,000iApproximate average salary by contribution assumption: employee only about $500,000 at 4% or $333,333 at 6%; with 50% employer match about $333,333 at 4% or $222,222 at 6%; with 100% employer match about $250,000 at 4% or $166,667 at 6%.
202328$2,817,935$185,549$23,194iApproximate average salary by contribution assumption: employee only about $579,841 at 4% or $386,560 at 6%; with 50% employer match about $386,560 at 4% or $257,707 at 6%; with 100% employer match about $289,920 at 4% or $193,280 at 6%.
William V. Byrne, D.M.D.-8$1,873,573$90,549$11,319iApproximate average salary by contribution assumption: employee only about $282,966 at 4% or $188,644 at 6%; with 50% employer match about $188,644 at 4% or $125,763 at 6%; with 100% employer match about $141,483 at 4% or $94,322 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-4$944,362$95,000$23,750iApproximate average salary by contribution assumption: employee only about $593,750 at 4% or $395,833 at 6%; with 50% employer match about $395,833 at 4% or $263,889 at 6%; with 100% employer match about $296,875 at 4% or $197,917 at 6%.
202227$2,319,786$227,388$32,484iApproximate average salary by contribution assumption: employee only about $812,100 at 4% or $541,400 at 6%; with 50% employer match about $541,400 at 4% or $360,933 at 6%; with 100% employer match about $406,050 at 4% or $270,700 at 6%.
William V. Byrne, D.M.D.-7$1,562,822$82,388$11,770iApproximate average salary by contribution assumption: employee only about $294,243 at 4% or $196,162 at 6%; with 50% employer match about $196,162 at 4% or $130,775 at 6%; with 100% employer match about $147,121 at 4% or $98,081 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-5$756,964$145,000$29,000iApproximate average salary by contribution assumption: employee only about $725,000 at 4% or $483,333 at 6%; with 50% employer match about $483,333 at 4% or $322,222 at 6%; with 100% employer match about $362,500 at 4% or $241,667 at 6%.
202127$2,412,097$189,380$27,054iApproximate average salary by contribution assumption: employee only about $676,357 at 4% or $450,905 at 6%; with 50% employer match about $450,905 at 4% or $300,603 at 6%; with 100% employer match about $338,179 at 4% or $225,452 at 6%.
William V. Byrne, D.M.D.-7$1,718,978$73,880$10,554iApproximate average salary by contribution assumption: employee only about $263,857 at 4% or $175,905 at 6%; with 50% employer match about $175,905 at 4% or $117,270 at 6%; with 100% employer match about $131,929 at 4% or $87,952 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-5$693,119$115,500$23,100iApproximate average salary by contribution assumption: employee only about $577,500 at 4% or $385,000 at 6%; with 50% employer match about $385,000 at 4% or $256,667 at 6%; with 100% employer match about $288,750 at 4% or $192,500 at 6%.
202027$1,969,498$151,447$21,635iApproximate average salary by contribution assumption: employee only about $540,882 at 4% or $360,588 at 6%; with 50% employer match about $360,588 at 4% or $240,392 at 6%; with 100% employer match about $270,441 at 4% or $180,294 at 6%.
William V. Byrne, D.M.D.-7$1,466,396$67,447$9,635iApproximate average salary by contribution assumption: employee only about $240,882 at 4% or $160,588 at 6%; with 50% employer match about $160,588 at 4% or $107,059 at 6%; with 100% employer match about $120,441 at 4% or $80,294 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-5$503,102$84,000$16,800iApproximate average salary by contribution assumption: employee only about $420,000 at 4% or $280,000 at 6%; with 50% employer match about $280,000 at 4% or $186,667 at 6%; with 100% employer match about $210,000 at 4% or $140,000 at 6%.
201926$1,840,088$183,368$30,561iApproximate average salary by contribution assumption: employee only about $764,033 at 4% or $509,356 at 6%; with 50% employer match about $509,356 at 4% or $339,570 at 6%; with 100% employer match about $382,017 at 4% or $254,678 at 6%.
William V. Byrne, D.M.D.-6$1,443,439$83,368$13,895iApproximate average salary by contribution assumption: employee only about $347,367 at 4% or $231,578 at 6%; with 50% employer match about $231,578 at 4% or $154,385 at 6%; with 100% employer match about $173,683 at 4% or $115,789 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-6$396,649$100,000$16,667iApproximate average salary by contribution assumption: employee only about $416,667 at 4% or $277,778 at 6%; with 50% employer match about $277,778 at 4% or $185,185 at 6%; with 100% employer match about $208,333 at 4% or $138,889 at 6%.
201826$1,374,732$177,578$29,596iApproximate average salary by contribution assumption: employee only about $739,908 at 4% or $493,272 at 6%; with 50% employer match about $493,272 at 4% or $328,848 at 6%; with 100% employer match about $369,954 at 4% or $246,636 at 6%.
William V. Byrne, D.M.D.-6$1,117,763$77,578$12,930iApproximate average salary by contribution assumption: employee only about $323,242 at 4% or $215,494 at 6%; with 50% employer match about $215,494 at 4% or $143,663 at 6%; with 100% employer match about $161,621 at 4% or $107,747 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-6$256,969$100,000$16,667iApproximate average salary by contribution assumption: employee only about $416,667 at 4% or $277,778 at 6%; with 50% employer match about $277,778 at 4% or $185,185 at 6%; with 100% employer match about $208,333 at 4% or $138,889 at 6%.
201726$1,290,146$157,638$26,273iApproximate average salary by contribution assumption: employee only about $656,825 at 4% or $437,883 at 6%; with 50% employer match about $437,883 at 4% or $291,922 at 6%; with 100% employer match about $328,413 at 4% or $218,942 at 6%.
William V. Byrne, D.M.D.-6$1,112,868$77,638$12,940iApproximate average salary by contribution assumption: employee only about $323,492 at 4% or $215,661 at 6%; with 50% employer match about $215,661 at 4% or $143,774 at 6%; with 100% employer match about $161,746 at 4% or $107,831 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-6$177,278$80,000$13,333iApproximate average salary by contribution assumption: employee only about $333,333 at 4% or $222,222 at 6%; with 50% employer match about $222,222 at 4% or $148,148 at 6%; with 100% employer match about $166,667 at 4% or $111,111 at 6%.
201626$957,467$162,266$27,044iApproximate average salary by contribution assumption: employee only about $676,108 at 4% or $450,739 at 6%; with 50% employer match about $450,739 at 4% or $300,493 at 6%; with 100% employer match about $338,054 at 4% or $225,369 at 6%.
William V. Byrne, D.M.D.-6$871,845$76,644$12,774iApproximate average salary by contribution assumption: employee only about $319,350 at 4% or $212,900 at 6%; with 50% employer match about $212,900 at 4% or $141,933 at 6%; with 100% employer match about $159,675 at 4% or $106,450 at 6%.
WILLIAM V. BYRNE, D.M.D. DEFINED BENEFIT PENSION PLAN-6$85,622$85,622$14,270iApproximate average salary by contribution assumption: employee only about $356,758 at 4% or $237,839 at 6%; with 50% employer match about $237,839 at 4% or $158,559 at 6%; with 100% employer match about $178,379 at 4% or $118,919 at 6%.
201516$745,738$97,823$16,304iApproximate average salary by contribution assumption: employee only about $407,596 at 4% or $271,731 at 6%; with 50% employer match about $271,731 at 4% or $181,154 at 6%; with 100% employer match about $203,798 at 4% or $135,865 at 6%.
William V. Byrne, D.M.D.-6$745,738$97,823$16,304iApproximate average salary by contribution assumption: employee only about $407,596 at 4% or $271,731 at 6%; with 50% employer match about $271,731 at 4% or $181,154 at 6%; with 100% employer match about $203,798 at 4% or $135,865 at 6%.
201416$650,742$86,628$14,438iApproximate average salary by contribution assumption: employee only about $360,950 at 4% or $240,633 at 6%; with 50% employer match about $240,633 at 4% or $160,422 at 6%; with 100% employer match about $180,475 at 4% or $120,317 at 6%.
William V. Byrne, D.M.D.-6$650,742$86,628$14,438iApproximate average salary by contribution assumption: employee only about $360,950 at 4% or $240,633 at 6%; with 50% employer match about $240,633 at 4% or $160,422 at 6%; with 100% employer match about $180,475 at 4% or $120,317 at 6%.
201316$531,656$86,812$14,469iApproximate average salary by contribution assumption: employee only about $361,717 at 4% or $241,144 at 6%; with 50% employer match about $241,144 at 4% or $160,763 at 6%; with 100% employer match about $180,858 at 4% or $120,572 at 6%.
William V. Byrne, D.M.D.-6$531,656$86,812$14,469iApproximate average salary by contribution assumption: employee only about $361,717 at 4% or $241,144 at 6%; with 50% employer match about $241,144 at 4% or $160,763 at 6%; with 100% employer match about $180,858 at 4% or $120,572 at 6%.
201216$370,754$87,322$14,554iApproximate average salary by contribution assumption: employee only about $363,842 at 4% or $242,561 at 6%; with 50% employer match about $242,561 at 4% or $161,707 at 6%; with 100% employer match about $181,921 at 4% or $121,281 at 6%.
William V. Byrne, D.M.D.-6$370,754$87,322$14,554iApproximate average salary by contribution assumption: employee only about $363,842 at 4% or $242,561 at 6%; with 50% employer match about $242,561 at 4% or $161,707 at 6%; with 100% employer match about $181,921 at 4% or $121,281 at 6%.
201116$251,339$83,557$13,926iApproximate average salary by contribution assumption: employee only about $348,154 at 4% or $232,103 at 6%; with 50% employer match about $232,103 at 4% or $154,735 at 6%; with 100% employer match about $174,077 at 4% or $116,051 at 6%.
William V. Byrne, D.M.D.-6$251,339$83,557$13,926iApproximate average salary by contribution assumption: employee only about $348,154 at 4% or $232,103 at 6%; with 50% employer match about $232,103 at 4% or $154,735 at 6%; with 100% employer match about $174,077 at 4% or $116,051 at 6%.
201016$168,738$83,917$13,986iApproximate average salary by contribution assumption: employee only about $349,654 at 4% or $233,103 at 6%; with 50% employer match about $233,103 at 4% or $155,402 at 6%; with 100% employer match about $174,827 at 4% or $116,551 at 6%.
William V. Byrne, D.M.D.-6$168,738$83,917$13,986iApproximate average salary by contribution assumption: employee only about $349,654 at 4% or $233,103 at 6%; with 50% employer match about $233,103 at 4% or $155,402 at 6%; with 100% employer match about $174,827 at 4% or $116,551 at 6%.
200916$74,432$72,753$12,126iApproximate average salary by contribution assumption: employee only about $303,138 at 4% or $202,092 at 6%; with 50% employer match about $202,092 at 4% or $134,728 at 6%; with 100% employer match about $151,569 at 4% or $101,046 at 6%.
William V. Byrne, D.M.D.-6$74,432$72,753$12,126iApproximate average salary by contribution assumption: employee only about $303,138 at 4% or $202,092 at 6%; with 50% employer match about $202,092 at 4% or $134,728 at 6%; with 100% employer match about $151,569 at 4% or $101,046 at 6%.