Civic Intelligence

Mattson Technology Inc.

Plan context: Mattson Technology Inc. 401K Plan

EIN 77-0208119 • 57 filings • 9 plans

Current Snapshot

Latest Year

2024

2024 Participants

246

2024 Assets

$64,282,869

2024 Contributions

$5,169,905

Historical Graphs

Total Assets Over Time

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

$64,282,869$32,141,435$0199920122024YearValue
$64,282,869Latest year 2024

Participants Over Time

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

6743370199920122024YearValue
246Latest 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
20242246$64,282,869$5,169,905$21,016iApproximate average salary by contribution assumption: employee only about $525,397 at 4% or $350,265 at 6%; with 50% employer match about $350,265 at 4% or $233,510 at 6%; with 100% employer match about $262,698 at 4% or $175,132 at 6%.
Mattson Technology Inc. 401K Plan-246$64,282,869$5,169,905$21,016iApproximate average salary by contribution assumption: employee only about $525,397 at 4% or $350,265 at 6%; with 50% employer match about $350,265 at 4% or $233,510 at 6%; with 100% employer match about $262,698 at 4% or $175,132 at 6%.
Mattson Technology Inc. Medical & Vision Plan-218---
20232277$61,899,425$6,601,634$23,833iApproximate average salary by contribution assumption: employee only about $595,815 at 4% or $397,210 at 6%; with 50% employer match about $397,210 at 4% or $264,807 at 6%; with 100% employer match about $297,908 at 4% or $198,605 at 6%.
Mattson Technology Inc. 401K Plan-276$61,899,425$6,601,634$23,919iApproximate average salary by contribution assumption: employee only about $597,974 at 4% or $398,649 at 6%; with 50% employer match about $398,649 at 4% or $265,766 at 6%; with 100% employer match about $298,987 at 4% or $199,325 at 6%.
Mattson Technology Inc. Medical & Vision Plan-277---
20222264$50,807,775$4,695,598$17,786iApproximate average salary by contribution assumption: employee only about $444,659 at 4% or $296,439 at 6%; with 50% employer match about $296,439 at 4% or $197,626 at 6%; with 100% employer match about $222,329 at 4% or $148,220 at 6%.
Mattson Technology Inc. 401K Plan-264$50,807,775$4,695,598$17,786iApproximate average salary by contribution assumption: employee only about $444,659 at 4% or $296,439 at 6%; with 50% employer match about $296,439 at 4% or $197,626 at 6%; with 100% employer match about $222,329 at 4% or $148,220 at 6%.
Mattson Technology Inc. Medical & Vision Plan-258---
20212230$62,873,746$4,280,129$18,609iApproximate average salary by contribution assumption: employee only about $465,231 at 4% or $310,154 at 6%; with 50% employer match about $310,154 at 4% or $206,770 at 6%; with 100% employer match about $232,616 at 4% or $155,077 at 6%.
Mattson Technology Inc. 401K Plan-229$62,873,746$4,280,129$18,691iApproximate average salary by contribution assumption: employee only about $467,263 at 4% or $311,509 at 6%; with 50% employer match about $311,509 at 4% or $207,672 at 6%; with 100% employer match about $233,631 at 4% or $155,754 at 6%.
Mattson Technology Inc. Medical & Vision Plan-230---
20202222$55,364,327$4,637,193$20,888iApproximate average salary by contribution assumption: employee only about $522,206 at 4% or $348,138 at 6%; with 50% employer match about $348,138 at 4% or $232,092 at 6%; with 100% employer match about $261,103 at 4% or $174,069 at 6%.
Mattson Technology Inc. 401K Plan-217$55,364,327$4,637,193$21,370iApproximate average salary by contribution assumption: employee only about $534,239 at 4% or $356,159 at 6%; with 50% employer match about $356,159 at 4% or $237,439 at 6%; with 100% employer match about $267,119 at 4% or $178,080 at 6%.
Mattson Technology Inc. Medical & Vision Plan-222---
20192207$44,050,183$3,571,512$17,254iApproximate average salary by contribution assumption: employee only about $431,342 at 4% or $287,561 at 6%; with 50% employer match about $287,561 at 4% or $191,708 at 6%; with 100% employer match about $215,671 at 4% or $143,781 at 6%.
Mattson Technology Inc. 401K Plan-207$44,050,183$3,571,512$17,254iApproximate average salary by contribution assumption: employee only about $431,342 at 4% or $287,561 at 6%; with 50% employer match about $287,561 at 4% or $191,708 at 6%; with 100% employer match about $215,671 at 4% or $143,781 at 6%.
Mattson Technology Inc. Medical & Vision Plan-207---
20182202$36,107,537$3,177,994$15,733iApproximate average salary by contribution assumption: employee only about $393,316 at 4% or $262,211 at 6%; with 50% employer match about $262,211 at 4% or $174,807 at 6%; with 100% employer match about $196,658 at 4% or $131,105 at 6%.
Mattson Technology Inc. 401K Plan-202$36,107,537$3,177,994$15,733iApproximate average salary by contribution assumption: employee only about $393,316 at 4% or $262,211 at 6%; with 50% employer match about $262,211 at 4% or $174,807 at 6%; with 100% employer match about $196,658 at 4% or $131,105 at 6%.
Mattson Technology Inc. Medical & Vision Plan-200---
20172168$36,850,816$2,436,394$14,502iApproximate average salary by contribution assumption: employee only about $362,559 at 4% or $241,706 at 6%; with 50% employer match about $241,706 at 4% or $161,137 at 6%; with 100% employer match about $181,279 at 4% or $120,853 at 6%.
Mattson Technology Inc. 401K Plan-168$36,850,816$2,436,394$14,502iApproximate average salary by contribution assumption: employee only about $362,559 at 4% or $241,706 at 6%; with 50% employer match about $241,706 at 4% or $161,137 at 6%; with 100% employer match about $181,279 at 4% or $120,853 at 6%.
Mattson Technology Inc. Medical & Vision Plan-168---
20162141$31,382,657$1,762,269$12,498iApproximate average salary by contribution assumption: employee only about $312,459 at 4% or $208,306 at 6%; with 50% employer match about $208,306 at 4% or $138,871 at 6%; with 100% employer match about $156,230 at 4% or $104,153 at 6%.
Mattson Technology Inc. 401K Plan-141$31,382,657$1,762,269$12,498iApproximate average salary by contribution assumption: employee only about $312,459 at 4% or $208,306 at 6%; with 50% employer match about $208,306 at 4% or $138,871 at 6%; with 100% employer match about $156,230 at 4% or $104,153 at 6%.
Mattson Technology Inc. Medical & Vision Plan-140---
20152132$28,827,483$1,611,990$12,212iApproximate average salary by contribution assumption: employee only about $305,301 at 4% or $203,534 at 6%; with 50% employer match about $203,534 at 4% or $135,689 at 6%; with 100% employer match about $152,651 at 4% or $101,767 at 6%.
Mattson Technology Inc. 401K Plan-132$28,827,483$1,611,990$12,212iApproximate average salary by contribution assumption: employee only about $305,301 at 4% or $203,534 at 6%; with 50% employer match about $203,534 at 4% or $135,689 at 6%; with 100% employer match about $152,651 at 4% or $101,767 at 6%.
Mattson Technology Inc. Medical & Vision Plan-125---
20142122$30,374,239$1,297,338$10,634iApproximate average salary by contribution assumption: employee only about $265,848 at 4% or $177,232 at 6%; with 50% employer match about $177,232 at 4% or $118,155 at 6%; with 100% employer match about $132,924 at 4% or $88,616 at 6%.
Mattson Technology Inc. 401K Plan-122$30,374,239$1,297,338$10,634iApproximate average salary by contribution assumption: employee only about $265,848 at 4% or $177,232 at 6%; with 50% employer match about $177,232 at 4% or $118,155 at 6%; with 100% employer match about $132,924 at 4% or $88,616 at 6%.
Mattson Technology Inc. Medical & Vision Plan-122---
20132101$28,207,842$1,180,671$11,690iApproximate average salary by contribution assumption: employee only about $292,245 at 4% or $194,830 at 6%; with 50% employer match about $194,830 at 4% or $129,887 at 6%; with 100% employer match about $146,123 at 4% or $97,415 at 6%.
Mattson Technology Inc. 401K Plan-101$28,207,842$1,180,671$11,690iApproximate average salary by contribution assumption: employee only about $292,245 at 4% or $194,830 at 6%; with 50% employer match about $194,830 at 4% or $129,887 at 6%; with 100% employer match about $146,123 at 4% or $97,415 at 6%.
Mattson Technology Inc. Medical & Vision Plan-100---
20122113$25,308,296$1,407,415$12,455iApproximate average salary by contribution assumption: employee only about $311,375 at 4% or $207,583 at 6%; with 50% employer match about $207,583 at 4% or $138,389 at 6%; with 100% employer match about $155,688 at 4% or $103,792 at 6%.
Mattson Technology Inc. 401K Plan-113$25,308,296$1,407,415$12,455iApproximate average salary by contribution assumption: employee only about $311,375 at 4% or $207,583 at 6%; with 50% employer match about $207,583 at 4% or $138,389 at 6%; with 100% employer match about $155,688 at 4% or $103,792 at 6%.
Mattson Technology Inc. Medical & Vision Plan-109---
20112128$24,182,270$1,257,157$9,822iApproximate average salary by contribution assumption: employee only about $245,538 at 4% or $163,692 at 6%; with 50% employer match about $163,692 at 4% or $109,128 at 6%; with 100% employer match about $122,769 at 4% or $81,846 at 6%.
Mattson Technology Inc. 401K Plan-128$24,182,270$1,257,157$9,822iApproximate average salary by contribution assumption: employee only about $245,538 at 4% or $163,692 at 6%; with 50% employer match about $163,692 at 4% or $109,128 at 6%; with 100% employer match about $122,769 at 4% or $81,846 at 6%.
Mattson Technology Inc. Medical & Vision Plan-122---
20102132$24,768,772$1,171,269$8,873iApproximate average salary by contribution assumption: employee only about $221,831 at 4% or $147,888 at 6%; with 50% employer match about $147,888 at 4% or $98,592 at 6%; with 100% employer match about $110,916 at 4% or $73,944 at 6%.
Mattson Technology Inc. 401K Plan-124$24,768,772$1,171,269$9,446iApproximate average salary by contribution assumption: employee only about $236,143 at 4% or $157,429 at 6%; with 50% employer match about $157,429 at 4% or $104,952 at 6%; with 100% employer match about $118,071 at 4% or $78,714 at 6%.
Mattson Technology Inc. Medical & Vision Plan-132---
20092135$23,572,913$1,406,165$10,416iApproximate average salary by contribution assumption: employee only about $260,401 at 4% or $173,601 at 6%; with 50% employer match about $173,601 at 4% or $115,734 at 6%; with 100% employer match about $130,200 at 4% or $86,800 at 6%.
Mattson Technology Inc. 401K Plan-133$23,572,913$1,406,165$10,573iApproximate average salary by contribution assumption: employee only about $264,317 at 4% or $176,211 at 6%; with 50% employer match about $176,211 at 4% or $117,474 at 6%; with 100% employer match about $132,158 at 4% or $88,106 at 6%.
Mattson Technology Inc. Medical & Vision Plan-135---
20082209$20,261,253$3,050,661$14,596iApproximate average salary by contribution assumption: employee only about $364,912 at 4% or $243,274 at 6%; with 50% employer match about $243,274 at 4% or $162,183 at 6%; with 100% employer match about $182,456 at 4% or $121,637 at 6%.
Mattson Technology Inc. 401K Plan-179$20,261,253$3,050,661$17,043iApproximate average salary by contribution assumption: employee only about $426,070 at 4% or $284,047 at 6%; with 50% employer match about $284,047 at 4% or $189,364 at 6%; with 100% employer match about $213,035 at 4% or $142,023 at 6%.
Mattson Technology Inc. Medical & Vision Plan-209---
20072246$27,957,464$3,046,269$12,383iApproximate average salary by contribution assumption: employee only about $309,580 at 4% or $206,387 at 6%; with 50% employer match about $206,387 at 4% or $137,591 at 6%; with 100% employer match about $154,790 at 4% or $103,193 at 6%.
Mattson Technology Inc. 401K Plan-244$27,957,464$3,046,269$12,485iApproximate average salary by contribution assumption: employee only about $312,118 at 4% or $208,078 at 6%; with 50% employer match about $208,078 at 4% or $138,719 at 6%; with 100% employer match about $156,059 at 4% or $104,039 at 6%.
Mattson Technology Inc. Medical & Vision Plan-246---
20062247$25,128,847$2,415,060$9,778iApproximate average salary by contribution assumption: employee only about $244,439 at 4% or $162,960 at 6%; with 50% employer match about $162,960 at 4% or $108,640 at 6%; with 100% employer match about $122,220 at 4% or $81,480 at 6%.
Mattson Technology Inc. 401K Plan-234$25,128,847$2,415,060$10,321iApproximate average salary by contribution assumption: employee only about $258,019 at 4% or $172,013 at 6%; with 50% employer match about $172,013 at 4% or $114,675 at 6%; with 100% employer match about $129,010 at 4% or $86,006 at 6%.
Mattson Technology Inc. Medical & Vision Plan-247---
20052239$22,000,122$2,692,936$11,268iApproximate average salary by contribution assumption: employee only about $281,688 at 4% or $187,792 at 6%; with 50% employer match about $187,792 at 4% or $125,195 at 6%; with 100% employer match about $140,844 at 4% or $93,896 at 6%.
Mattson Technology Inc. 401K Plan-238$22,000,122$2,692,936$11,315iApproximate average salary by contribution assumption: employee only about $282,871 at 4% or $188,581 at 6%; with 50% employer match about $188,581 at 4% or $125,721 at 6%; with 100% employer match about $141,436 at 4% or $94,290 at 6%.
Mattson Technology Inc. Medical & Vision Plan-239---
20042268$19,139,619$2,517,531$9,394iApproximate average salary by contribution assumption: employee only about $234,844 at 4% or $156,563 at 6%; with 50% employer match about $156,563 at 4% or $104,375 at 6%; with 100% employer match about $117,422 at 4% or $78,281 at 6%.
Mattson Technology Inc. 401K Plan-265$19,139,619$2,517,531$9,500iApproximate average salary by contribution assumption: employee only about $237,503 at 4% or $158,335 at 6%; with 50% employer match about $158,335 at 4% or $105,557 at 6%; with 100% employer match about $118,751 at 4% or $79,168 at 6%.
Mattson Technology Inc. Medical & Vision Plan-268---
20032262$16,124,340$3,120,379$11,910iApproximate average salary by contribution assumption: employee only about $297,746 at 4% or $198,497 at 6%; with 50% employer match about $198,497 at 4% or $132,332 at 6%; with 100% employer match about $148,873 at 4% or $99,249 at 6%.
Mattson Technology Inc. 401K Plan-261$16,124,340$3,120,379$11,955iApproximate average salary by contribution assumption: employee only about $298,887 at 4% or $199,258 at 6%; with 50% employer match about $199,258 at 4% or $132,839 at 6%; with 100% employer match about $149,443 at 4% or $99,629 at 6%.
Mattson Technology Inc. Medical & Vision Plan-262---
20021280$0$0-
Mattson Technology Inc. Medical & Vision Plan-280---
20013573$11,778,862$5,768,988$10,068iApproximate average salary by contribution assumption: employee only about $251,701 at 4% or $167,801 at 6%; with 50% employer match about $167,801 at 4% or $111,867 at 6%; with 100% employer match about $125,851 at 4% or $83,900 at 6%.
Mattson Technology Inc. 401K Plan-0$11,778,862$5,768,988-
MATTSON, INC. SEVERANCE BENEFITS PLAN-0---
Mattson Technology Inc. Medical & Vision Plan-573---
20005674$9,045,559$3,381,674$5,017iApproximate average salary by contribution assumption: employee only about $125,433 at 4% or $83,622 at 6%; with 50% employer match about $83,622 at 4% or $55,748 at 6%; with 100% employer match about $62,717 at 4% or $41,811 at 6%.
Mattson Technology Inc. 401K Plan-487$9,045,559$3,381,674$6,944iApproximate average salary by contribution assumption: employee only about $173,597 at 4% or $115,731 at 6%; with 50% employer match about $115,731 at 4% or $77,154 at 6%; with 100% employer match about $86,799 at 4% or $57,866 at 6%.
GROUP DENTAL-0---
Mattson Technology Inc. Medical & Vision Plan-674---
Mattson Technology Inc. Vision Plan-0---
Mattson Technology Inc. Life and Disability Plan-0---
19994400$7,116,530$1,754,003$4,385iApproximate average salary by contribution assumption: employee only about $109,625 at 4% or $73,083 at 6%; with 50% employer match about $73,083 at 4% or $48,722 at 6%; with 100% employer match about $54,813 at 4% or $36,542 at 6%.
Mattson Technology Inc. 401K Plan-351$7,116,530$1,754,003$4,997iApproximate average salary by contribution assumption: employee only about $124,929 at 4% or $83,286 at 6%; with 50% employer match about $83,286 at 4% or $55,524 at 6%; with 100% employer match about $62,464 at 4% or $41,643 at 6%.
Mattson Technology Inc. Vision Plan-392---
Mattson Technology Inc. Medical & Vision Plan-392---
Mattson Technology Inc. Life and Disability Plan-400---