Civic Intelligence

STYRON, LLC.

Plan context: Trinseo LLC 401K Plan

EIN 80-0512509 • Wayne, PA • 70 filings • 13 plans

440 East Swedesford Road, Suite 301Wayne, PA 19087
Current Snapshot

Latest Year

2024

2024 Participants

745

2024 Assets

$163,807,672

2024 Contributions

$14,740,905

Historical Graphs

Total Assets Over Time

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

$163,807,672$81,903,836$0201020172024YearValue
$163,807,672Latest year 2024

Participants Over Time

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

7453730201020172024YearValue
745Latest 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
20243745$163,807,672$14,740,905$19,786iApproximate average salary by contribution assumption: employee only about $494,661 at 4% or $329,774 at 6%; with 50% employer match about $329,774 at 4% or $219,849 at 6%; with 100% employer match about $247,331 at 4% or $164,887 at 6%.
Trinseo LLC 401K Plan-537$152,022,146$13,710,905$25,532iApproximate average salary by contribution assumption: employee only about $638,310 at 4% or $425,540 at 6%; with 50% employer match about $425,540 at 4% or $283,693 at 6%; with 100% employer match about $319,155 at 4% or $212,770 at 6%.
TRINSEO LLC DEFINED BENEFIT PLAN FOR CERTAIN LEGACY EMPLOYEES OF ARKEMA INC-65$11,785,526$1,030,000$15,846iApproximate average salary by contribution assumption: employee only about $396,154 at 4% or $264,103 at 6%; with 50% employer match about $264,103 at 4% or $176,068 at 6%; with 100% employer match about $198,077 at 4% or $132,051 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-745---
20233681$150,080,563$13,833,954$20,314iApproximate average salary by contribution assumption: employee only about $507,854 at 4% or $338,570 at 6%; with 50% employer match about $338,570 at 4% or $225,713 at 6%; with 100% employer match about $253,927 at 4% or $169,285 at 6%.
Trinseo LLC 401K Plan-562$137,291,698$12,543,954$22,320iApproximate average salary by contribution assumption: employee only about $558,005 at 4% or $372,003 at 6%; with 50% employer match about $372,003 at 4% or $248,002 at 6%; with 100% employer match about $279,003 at 4% or $186,002 at 6%.
TRINSEO LLC DEFINED BENEFIT PLAN FOR CERTAIN LEGACY EMPLOYEES OF ARKEMA INC-72$12,788,865$1,290,000$17,917iApproximate average salary by contribution assumption: employee only about $447,917 at 4% or $298,611 at 6%; with 50% employer match about $298,611 at 4% or $199,074 at 6%; with 100% employer match about $223,958 at 4% or $149,306 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-681---
20223599$105,412,884$14,914,047$24,898iApproximate average salary by contribution assumption: employee only about $622,456 at 4% or $414,971 at 6%; with 50% employer match about $414,971 at 4% or $276,647 at 6%; with 100% employer match about $311,228 at 4% or $207,485 at 6%.
Trinseo LLC 401K Plan-391$94,422,212$9,874,047$25,253iApproximate average salary by contribution assumption: employee only about $631,333 at 4% or $420,889 at 6%; with 50% employer match about $420,889 at 4% or $280,592 at 6%; with 100% employer match about $315,666 at 4% or $210,444 at 6%.
TRINSEO LLC DEFINED BENEFIT PLAN FOR CERTAIN LEGACY EMPLOYEES OF ARKEMA INC-74$10,990,672$5,040,000$68,108iApproximate average salary by contribution assumption: employee only about $1,702,703 at 4% or $1,135,135 at 6%; with 50% employer match about $1,135,135 at 4% or $756,757 at 6%; with 100% employer match about $851,351 at 4% or $567,568 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-599---
20213618$129,795,490$10,850,845$17,558iApproximate average salary by contribution assumption: employee only about $438,950 at 4% or $292,633 at 6%; with 50% employer match about $292,633 at 4% or $195,089 at 6%; with 100% employer match about $219,475 at 4% or $146,317 at 6%.
Trinseo LLC 401K Plan-402$112,132,791$9,650,845$24,007iApproximate average salary by contribution assumption: employee only about $600,177 at 4% or $400,118 at 6%; with 50% employer match about $400,118 at 4% or $266,745 at 6%; with 100% employer match about $300,088 at 4% or $200,059 at 6%.
TRINSEO LLC DEFINED BENEFIT PLAN FOR CERTAIN LEGACY EMPLOYEES OF ARKEMA INC-82$17,662,699$1,200,000$14,634iApproximate average salary by contribution assumption: employee only about $365,854 at 4% or $243,902 at 6%; with 50% employer match about $243,902 at 4% or $162,602 at 6%; with 100% employer match about $182,927 at 4% or $121,951 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-618---
20202406$96,249,559$9,653,343$23,777iApproximate average salary by contribution assumption: employee only about $594,418 at 4% or $396,278 at 6%; with 50% employer match about $396,278 at 4% or $264,186 at 6%; with 100% employer match about $297,209 at 4% or $198,139 at 6%.
Trinseo LLC 401K Plan-406$96,249,559$9,653,343$23,777iApproximate average salary by contribution assumption: employee only about $594,418 at 4% or $396,278 at 6%; with 50% employer match about $396,278 at 4% or $264,186 at 6%; with 100% employer match about $297,209 at 4% or $198,139 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-361---
20192414$83,625,757$10,488,422$25,334iApproximate average salary by contribution assumption: employee only about $633,359 at 4% or $422,239 at 6%; with 50% employer match about $422,239 at 4% or $281,493 at 6%; with 100% employer match about $316,679 at 4% or $211,120 at 6%.
Trinseo LLC 401K Plan-404$83,625,757$10,488,422$25,961iApproximate average salary by contribution assumption: employee only about $649,036 at 4% or $432,691 at 6%; with 50% employer match about $432,691 at 4% or $288,460 at 6%; with 100% employer match about $324,518 at 4% or $216,345 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-414---
20182361$65,508,661$9,112,518$25,242iApproximate average salary by contribution assumption: employee only about $631,061 at 4% or $420,707 at 6%; with 50% employer match about $420,707 at 4% or $280,471 at 6%; with 100% employer match about $315,530 at 4% or $210,354 at 6%.
Trinseo LLC 401K Plan-361$65,508,661$9,112,518$25,242iApproximate average salary by contribution assumption: employee only about $631,061 at 4% or $420,707 at 6%; with 50% employer match about $420,707 at 4% or $280,471 at 6%; with 100% employer match about $315,530 at 4% or $210,354 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-361---
20172332$66,937,774$8,357,153$25,172iApproximate average salary by contribution assumption: employee only about $629,304 at 4% or $419,536 at 6%; with 50% employer match about $419,536 at 4% or $279,691 at 6%; with 100% employer match about $314,652 at 4% or $209,768 at 6%.
Trinseo LLC 401K Plan-326$66,937,774$8,357,153$25,635iApproximate average salary by contribution assumption: employee only about $640,886 at 4% or $427,257 at 6%; with 50% employer match about $427,257 at 4% or $284,838 at 6%; with 100% employer match about $320,443 at 4% or $213,629 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-332---
20162334$50,726,431$7,924,049$23,725iApproximate average salary by contribution assumption: employee only about $593,117 at 4% or $395,412 at 6%; with 50% employer match about $395,412 at 4% or $263,608 at 6%; with 100% employer match about $296,559 at 4% or $197,706 at 6%.
Trinseo LLC 401K Plan-334$50,726,431$7,924,049$23,725iApproximate average salary by contribution assumption: employee only about $593,117 at 4% or $395,412 at 6%; with 50% employer match about $395,412 at 4% or $263,608 at 6%; with 100% employer match about $296,559 at 4% or $197,706 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-332---
20152340$43,456,808$7,582,881$22,303iApproximate average salary by contribution assumption: employee only about $557,565 at 4% or $371,710 at 6%; with 50% employer match about $371,710 at 4% or $247,807 at 6%; with 100% employer match about $278,782 at 4% or $185,855 at 6%.
Trinseo LLC 401K Plan-340$43,456,808$7,582,881$22,303iApproximate average salary by contribution assumption: employee only about $557,565 at 4% or $371,710 at 6%; with 50% employer match about $371,710 at 4% or $247,807 at 6%; with 100% employer match about $278,782 at 4% or $185,855 at 6%.
Trinseo LLC Health and Welfare Benefits Plan-337---
201410320$38,506,516$6,885,207$21,516iApproximate average salary by contribution assumption: employee only about $537,907 at 4% or $358,605 at 6%; with 50% employer match about $358,605 at 4% or $239,070 at 6%; with 100% employer match about $268,953 at 4% or $179,302 at 6%.
Trinseo LLC 401K Plan-320$38,506,516$6,885,207$21,516iApproximate average salary by contribution assumption: employee only about $537,907 at 4% or $358,605 at 6%; with 50% employer match about $358,605 at 4% or $239,070 at 6%; with 100% employer match about $268,953 at 4% or $179,302 at 6%.
STYRON MEDICAL CARE PROGRAM FOR ACTIVE EMPLOYEES-0---
STYRON BUSINESS TRAVEL ACCIDENT AND OCCUPATIONAL ACCIDENT INSURANCE PLAN-0---
STYRON DENTAL ASSISTANCE PROGRAM-0---
STYRON VOLUNTARY GROUP ACCIDENT INSURANCE PLAN-0---
STYRON LONG TERM DISABILITY PLAN-0---
STYRON BASIC TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-0---
Styron Health Care Reimbursement Account-0---
STYRON SUPPLEMENTAL TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-0---
STYRON VISION PLAN-0---
201310316$31,869,126$7,155,992$22,646iApproximate average salary by contribution assumption: employee only about $566,139 at 4% or $377,426 at 6%; with 50% employer match about $377,426 at 4% or $251,617 at 6%; with 100% employer match about $283,069 at 4% or $188,713 at 6%.
Trinseo LLC 401K Plan-316$31,869,126$7,155,992$22,646iApproximate average salary by contribution assumption: employee only about $566,139 at 4% or $377,426 at 6%; with 50% employer match about $377,426 at 4% or $251,617 at 6%; with 100% employer match about $283,069 at 4% or $188,713 at 6%.
STYRON VISION PLAN-297---
STYRON SUPPLEMENTAL TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-207---
Styron Health Care Reimbursement Account-89---
STYRON BASIC TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-313---
STYRON LONG TERM DISABILITY PLAN-313---
STYRON VOLUNTARY GROUP ACCIDENT INSURANCE PLAN-157---
STYRON DENTAL ASSISTANCE PROGRAM-288---
STYRON BUSINESS TRAVEL ACCIDENT AND OCCUPATIONAL ACCIDENT INSURANCE PLAN-313---
STYRON MEDICAL CARE PROGRAM FOR ACTIVE EMPLOYEES-313---
20129346$21,550,539$7,978,134$23,058iApproximate average salary by contribution assumption: employee only about $576,455 at 4% or $384,303 at 6%; with 50% employer match about $384,303 at 4% or $256,202 at 6%; with 100% employer match about $288,227 at 4% or $192,152 at 6%.
Trinseo LLC 401K Plan-346$21,550,539$7,978,134$23,058iApproximate average salary by contribution assumption: employee only about $576,455 at 4% or $384,303 at 6%; with 50% employer match about $384,303 at 4% or $256,202 at 6%; with 100% employer match about $288,227 at 4% or $192,152 at 6%.
Styron Health Care Reimbursement Account-130---
STYRON MEDICAL CARE PROGRAM FOR ACTIVE EMPLOYEES-320---
STYRON BUSINESS TRAVEL ACCIDENT AND OCCUPATIONAL ACCIDENT INSURANCE PLAN-320---
STYRON DENTAL ASSISTANCE PROGRAM-297---
STYRON VOLUNTARY GROUP ACCIDENT INSURANCE PLAN-166---
STYRON LONG TERM DISABILITY PLAN-320---
STYRON BASIC TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-320---
STYRON SUPPLEMENTAL TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-214---
20119371$12,654,192$8,909,947$24,016iApproximate average salary by contribution assumption: employee only about $600,401 at 4% or $400,267 at 6%; with 50% employer match about $400,267 at 4% or $266,845 at 6%; with 100% employer match about $300,200 at 4% or $200,134 at 6%.
Trinseo LLC 401K Plan-371$12,654,192$8,909,947$24,016iApproximate average salary by contribution assumption: employee only about $600,401 at 4% or $400,267 at 6%; with 50% employer match about $400,267 at 4% or $266,845 at 6%; with 100% employer match about $300,200 at 4% or $200,134 at 6%.
Styron Health Care Reimbursement Account-119---
STYRON VOLUNTARY GROUP ACCIDENT INSURANCE PLAN-171---
STYRON LONG TERM DISABILITY PLAN-323---
STYRON BASIC TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-323---
STYRON DENTAL ASSISTANCE PROGRAM-301---
STYRON SUPPLEMENTAL TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-229---
STYRON MEDICAL CARE PROGRAM FOR ACTIVE EMPLOYEES-323---
STYRON BUSINESS TRAVEL ACCIDENT AND OCCUPATIONAL ACCIDENT INSURANCE PLAN-323---
20108367$4,357,707$4,068,551$11,086iApproximate average salary by contribution assumption: employee only about $277,149 at 4% or $184,766 at 6%; with 50% employer match about $184,766 at 4% or $123,177 at 6%; with 100% employer match about $138,575 at 4% or $92,383 at 6%.
Trinseo LLC 401K Plan-332$4,357,707$4,068,551$12,255iApproximate average salary by contribution assumption: employee only about $306,367 at 4% or $204,245 at 6%; with 50% employer match about $204,245 at 4% or $136,163 at 6%; with 100% employer match about $153,183 at 4% or $102,122 at 6%.
STYRON BUSINESS TRAVEL ACCIDENT AND OCCUPATIONAL ACCIDENT INSURANCE PLAN-224---
STYRON VOLUNTARY GROUP ACCIDENT INSURANCE PLAN-190---
STYRON SUPPLEMENTAL TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-260---
STYRON LONG TERM DISABILITY PLAN-367---
STYRON MEDICAL CARE PROGRAM FOR ACTIVE EMPLOYEES-367---
STYRON BASIC TERM LIFE AND ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN-366---
STYRON DENTAL ASSISTANCE PROGRAM-338---