Optos Inc.
Plan context: The Optos Inc. 401(K) Plan
EIN 98-0192728 • Marlborough, MA • 38 filings • 3 plans
Current Snapshot
Latest Year
2024
2024 Participants
275
2024 Assets
$41,724,567
2024 Contributions
$3,612,128
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 |
|---|---|---|---|---|---|
| 2024 | 2 | 275 | $41,724,567 | $3,612,128 | $13,135iApproximate average salary by contribution assumption: employee only about $328,375 at 4% or $218,917 at 6%; with 50% employer match about $218,917 at 4% or $145,945 at 6%; with 100% employer match about $164,188 at 4% or $109,458 at 6%. |
| The Optos Inc. 401(K) Plan | - | 275 | $41,724,567 | $3,612,128 | $13,135iApproximate average salary by contribution assumption: employee only about $328,375 at 4% or $218,917 at 6%; with 50% employer match about $218,917 at 4% or $145,945 at 6%; with 100% employer match about $164,188 at 4% or $109,458 at 6%. |
| Optos Health and Welfare Plan | - | 262 | - | - | - |
| 2023 | 2 | 249 | $36,254,067 | $4,176,231 | $16,772iApproximate average salary by contribution assumption: employee only about $419,300 at 4% or $279,534 at 6%; with 50% employer match about $279,534 at 4% or $186,356 at 6%; with 100% employer match about $209,650 at 4% or $139,767 at 6%. |
| The Optos Inc. 401(K) Plan | - | 242 | $36,254,067 | $4,176,231 | $17,257iApproximate average salary by contribution assumption: employee only about $431,429 at 4% or $287,619 at 6%; with 50% employer match about $287,619 at 4% or $191,746 at 6%; with 100% employer match about $215,714 at 4% or $143,810 at 6%. |
| Optos Health and Welfare Plan | - | 249 | - | - | - |
| 2022 | 2 | 242 | $28,798,169 | $3,193,936 | $13,198iApproximate average salary by contribution assumption: employee only about $329,952 at 4% or $219,968 at 6%; with 50% employer match about $219,968 at 4% or $146,645 at 6%; with 100% employer match about $164,976 at 4% or $109,984 at 6%. |
| The Optos Inc. 401(K) Plan | - | 242 | $28,798,169 | $3,193,936 | $13,198iApproximate average salary by contribution assumption: employee only about $329,952 at 4% or $219,968 at 6%; with 50% employer match about $219,968 at 4% or $146,645 at 6%; with 100% employer match about $164,976 at 4% or $109,984 at 6%. |
| Optos Health and Welfare Plan | - | 238 | - | - | - |
| 2021 | 2 | 232 | $36,095,095 | $3,515,013 | $15,151iApproximate average salary by contribution assumption: employee only about $378,773 at 4% or $252,515 at 6%; with 50% employer match about $252,515 at 4% or $168,344 at 6%; with 100% employer match about $189,386 at 4% or $126,258 at 6%. |
| The Optos Inc. 401(K) Plan | - | 230 | $36,095,095 | $3,515,013 | $15,283iApproximate average salary by contribution assumption: employee only about $382,067 at 4% or $254,711 at 6%; with 50% employer match about $254,711 at 4% or $169,807 at 6%; with 100% employer match about $191,033 at 4% or $127,356 at 6%. |
| Optos Health and Welfare Plan | - | 232 | - | - | - |
| 2020 | 2 | 213 | $29,203,897 | $2,919,169 | $13,705iApproximate average salary by contribution assumption: employee only about $342,625 at 4% or $228,417 at 6%; with 50% employer match about $228,417 at 4% or $152,278 at 6%; with 100% employer match about $171,313 at 4% or $114,208 at 6%. |
| The Optos Inc. 401(K) Plan | - | 210 | $29,203,897 | $2,919,169 | $13,901iApproximate average salary by contribution assumption: employee only about $347,520 at 4% or $231,680 at 6%; with 50% employer match about $231,680 at 4% or $154,453 at 6%; with 100% employer match about $173,760 at 4% or $115,840 at 6%. |
| Optos Health and Welfare Plan | - | 213 | - | - | - |
| 2019 | 2 | 211 | $22,944,397 | $2,455,838 | $11,639iApproximate average salary by contribution assumption: employee only about $290,976 at 4% or $193,984 at 6%; with 50% employer match about $193,984 at 4% or $129,323 at 6%; with 100% employer match about $145,488 at 4% or $96,992 at 6%. |
| The Optos Inc. 401(K) Plan | - | 209 | $22,944,397 | $2,455,838 | $11,750iApproximate average salary by contribution assumption: employee only about $293,761 at 4% or $195,840 at 6%; with 50% employer match about $195,840 at 4% or $130,560 at 6%; with 100% employer match about $146,880 at 4% or $97,920 at 6%. |
| Optos Health and Welfare Plan | - | 211 | - | - | - |
| 2018 | 2 | 211 | $17,062,023 | $2,300,701 | $10,904iApproximate average salary by contribution assumption: employee only about $272,595 at 4% or $181,730 at 6%; with 50% employer match about $181,730 at 4% or $121,153 at 6%; with 100% employer match about $136,297 at 4% or $90,865 at 6%. |
| The Optos Inc. 401(K) Plan | - | 211 | $17,062,023 | $2,300,701 | $10,904iApproximate average salary by contribution assumption: employee only about $272,595 at 4% or $181,730 at 6%; with 50% employer match about $181,730 at 4% or $121,153 at 6%; with 100% employer match about $136,297 at 4% or $90,865 at 6%. |
| Optos Health and Welfare Plan | - | 207 | - | - | - |
| 2017 | 2 | 199 | $17,339,743 | $2,475,626 | $12,440iApproximate average salary by contribution assumption: employee only about $311,008 at 4% or $207,339 at 6%; with 50% employer match about $207,339 at 4% or $138,226 at 6%; with 100% employer match about $155,504 at 4% or $103,669 at 6%. |
| The Optos Inc. 401(K) Plan | - | 199 | $17,339,743 | $2,475,626 | $12,440iApproximate average salary by contribution assumption: employee only about $311,008 at 4% or $207,339 at 6%; with 50% employer match about $207,339 at 4% or $138,226 at 6%; with 100% employer match about $155,504 at 4% or $103,669 at 6%. |
| Optos Health and Welfare Plan | - | 196 | - | - | - |
| 2016 | 2 | 186 | $13,244,050 | $2,692,437 | $14,475iApproximate average salary by contribution assumption: employee only about $361,887 at 4% or $241,258 at 6%; with 50% employer match about $241,258 at 4% or $160,839 at 6%; with 100% employer match about $180,943 at 4% or $120,629 at 6%. |
| The Optos Inc. 401(K) Plan | - | 186 | $13,244,050 | $2,692,437 | $14,475iApproximate average salary by contribution assumption: employee only about $361,887 at 4% or $241,258 at 6%; with 50% employer match about $241,258 at 4% or $160,839 at 6%; with 100% employer match about $180,943 at 4% or $120,629 at 6%. |
| Optos Health and Welfare Plan | - | 169 | - | - | - |
| 2015 | 2 | 219 | $10,765,095 | $2,254,425 | $10,294iApproximate average salary by contribution assumption: employee only about $257,354 at 4% or $171,570 at 6%; with 50% employer match about $171,570 at 4% or $114,380 at 6%; with 100% employer match about $128,677 at 4% or $85,785 at 6%. |
| The Optos Inc. 401(K) Plan | - | 199 | $10,765,095 | $2,254,425 | $11,329iApproximate average salary by contribution assumption: employee only about $283,219 at 4% or $188,813 at 6%; with 50% employer match about $188,813 at 4% or $125,875 at 6%; with 100% employer match about $141,610 at 4% or $94,406 at 6%. |
| Optos Health and Welfare Plan | - | 219 | - | - | - |
| 2014 | 2 | 193 | $9,920,788 | $1,925,141 | $9,975iApproximate average salary by contribution assumption: employee only about $249,371 at 4% or $166,247 at 6%; with 50% employer match about $166,247 at 4% or $110,831 at 6%; with 100% employer match about $124,685 at 4% or $83,124 at 6%. |
| The Optos Inc. 401(K) Plan | - | 170 | $9,920,788 | $1,925,141 | $11,324iApproximate average salary by contribution assumption: employee only about $283,109 at 4% or $188,739 at 6%; with 50% employer match about $188,739 at 4% or $125,826 at 6%; with 100% employer match about $141,554 at 4% or $94,370 at 6%. |
| Optos Health and Welfare Plan | - | 193 | - | - | - |
| 2013 | 2 | 193 | $9,650,111 | $1,993,978 | $10,331iApproximate average salary by contribution assumption: employee only about $258,287 at 4% or $172,192 at 6%; with 50% employer match about $172,192 at 4% or $114,794 at 6%; with 100% employer match about $129,144 at 4% or $86,096 at 6%. |
| The Optos Inc. 401(K) Plan | - | 193 | $9,650,111 | $1,993,978 | $10,331iApproximate average salary by contribution assumption: employee only about $258,287 at 4% or $172,192 at 6%; with 50% employer match about $172,192 at 4% or $114,794 at 6%; with 100% employer match about $129,144 at 4% or $86,096 at 6%. |
| Optos Health and Welfare Plan | - | 189 | - | - | - |
| 2012 | 2 | 238 | $7,204,675 | $1,850,653 | $7,776iApproximate average salary by contribution assumption: employee only about $194,396 at 4% or $129,598 at 6%; with 50% employer match about $129,598 at 4% or $86,398 at 6%; with 100% employer match about $97,198 at 4% or $64,799 at 6%. |
| The Optos Inc. 401(K) Plan | - | 238 | $7,204,675 | $1,850,653 | $7,776iApproximate average salary by contribution assumption: employee only about $194,396 at 4% or $129,598 at 6%; with 50% employer match about $129,598 at 4% or $86,398 at 6%; with 100% employer match about $97,198 at 4% or $64,799 at 6%. |
| Optos Health and Welfare Plan | - | 232 | - | - | - |
| 2011 | 2 | 232 | $5,057,249 | $1,519,661 | $6,550iApproximate average salary by contribution assumption: employee only about $163,757 at 4% or $109,171 at 6%; with 50% employer match about $109,171 at 4% or $72,781 at 6%; with 100% employer match about $81,878 at 4% or $54,586 at 6%. |
| The Optos Inc. 401(K) Plan | - | 216 | $5,057,249 | $1,519,661 | $7,035iApproximate average salary by contribution assumption: employee only about $175,887 at 4% or $117,258 at 6%; with 50% employer match about $117,258 at 4% or $78,172 at 6%; with 100% employer match about $87,943 at 4% or $58,629 at 6%. |
| Optos Health and Welfare Plan | - | 232 | - | - | - |
| 2010 | 2 | 181 | $4,360,072 | $1,237,335 | $6,836iApproximate average salary by contribution assumption: employee only about $170,903 at 4% or $113,935 at 6%; with 50% employer match about $113,935 at 4% or $75,957 at 6%; with 100% employer match about $85,451 at 4% or $56,968 at 6%. |
| The Optos Inc. 401(K) Plan | - | 181 | $4,360,072 | $1,237,335 | $6,836iApproximate average salary by contribution assumption: employee only about $170,903 at 4% or $113,935 at 6%; with 50% employer match about $113,935 at 4% or $75,957 at 6%; with 100% employer match about $85,451 at 4% or $56,968 at 6%. |
| Optos Health and Welfare Plan | - | 169 | - | - | - |
| 2009 | 1 | 159 | $2,890,849 | $1,105,009 | $6,950iApproximate average salary by contribution assumption: employee only about $173,744 at 4% or $115,829 at 6%; with 50% employer match about $115,829 at 4% or $77,219 at 6%; with 100% employer match about $86,872 at 4% or $57,915 at 6%. |
| The Optos Inc. 401(K) Plan | - | 159 | $2,890,849 | $1,105,009 | $6,950iApproximate average salary by contribution assumption: employee only about $173,744 at 4% or $115,829 at 6%; with 50% employer match about $115,829 at 4% or $77,219 at 6%; with 100% employer match about $86,872 at 4% or $57,915 at 6%. |
| 2008 | 1 | 198 | $1,816,725 | $1,168,435 | $5,901iApproximate average salary by contribution assumption: employee only about $147,530 at 4% or $98,353 at 6%; with 50% employer match about $98,353 at 4% or $65,569 at 6%; with 100% employer match about $73,765 at 4% or $49,177 at 6%. |
| The Optos Inc. 401(K) Plan | - | 198 | $1,816,725 | $1,168,435 | $5,901iApproximate average salary by contribution assumption: employee only about $147,530 at 4% or $98,353 at 6%; with 50% employer match about $98,353 at 4% or $65,569 at 6%; with 100% employer match about $73,765 at 4% or $49,177 at 6%. |
| 2007 | 1 | 180 | $1,830,849 | $742,196 | $4,123iApproximate average salary by contribution assumption: employee only about $103,083 at 4% or $68,722 at 6%; with 50% employer match about $68,722 at 4% or $45,815 at 6%; with 100% employer match about $51,541 at 4% or $34,361 at 6%. |
| The Optos Inc. 401(K) Plan | - | 180 | $1,830,849 | $742,196 | $4,123iApproximate average salary by contribution assumption: employee only about $103,083 at 4% or $68,722 at 6%; with 50% employer match about $68,722 at 4% or $45,815 at 6%; with 100% employer match about $51,541 at 4% or $34,361 at 6%. |
| 2006 | 1 | 169 | $1,317,104 | $323,031 | $1,911iApproximate average salary by contribution assumption: employee only about $47,786 at 4% or $31,857 at 6%; with 50% employer match about $31,857 at 4% or $21,238 at 6%; with 100% employer match about $23,893 at 4% or $15,929 at 6%. |
| The Optos Inc. 401(K) Plan | - | 169 | $1,317,104 | $323,031 | $1,911iApproximate average salary by contribution assumption: employee only about $47,786 at 4% or $31,857 at 6%; with 50% employer match about $31,857 at 4% or $21,238 at 6%; with 100% employer match about $23,893 at 4% or $15,929 at 6%. |
| 2005 | 1 | 134 | $1,093,640 | $361,660 | $2,699iApproximate average salary by contribution assumption: employee only about $67,474 at 4% or $44,983 at 6%; with 50% employer match about $44,983 at 4% or $29,988 at 6%; with 100% employer match about $33,737 at 4% or $22,491 at 6%. |
| The Optos Inc. 401(K) Plan | - | 134 | $1,093,640 | $361,660 | $2,699iApproximate average salary by contribution assumption: employee only about $67,474 at 4% or $44,983 at 6%; with 50% employer match about $44,983 at 4% or $29,988 at 6%; with 100% employer match about $33,737 at 4% or $22,491 at 6%. |
| 2004 | 1 | 97 | $802,600 | $371,288 | $3,828iApproximate average salary by contribution assumption: employee only about $95,693 at 4% or $63,795 at 6%; with 50% employer match about $63,795 at 4% or $42,530 at 6%; with 100% employer match about $47,846 at 4% or $31,898 at 6%. |
| The Optos Inc. 401(K) Plan | - | 97 | $802,600 | $371,288 | $3,828iApproximate average salary by contribution assumption: employee only about $95,693 at 4% or $63,795 at 6%; with 50% employer match about $63,795 at 4% or $42,530 at 6%; with 100% employer match about $47,846 at 4% or $31,898 at 6%. |
| 2003 | 1 | 55 | $404,310 | $257,504 | $4,682iApproximate average salary by contribution assumption: employee only about $117,047 at 4% or $78,032 at 6%; with 50% employer match about $78,032 at 4% or $52,021 at 6%; with 100% employer match about $58,524 at 4% or $39,016 at 6%. |
| The Optos Inc. 401(K) Plan | - | 55 | $404,310 | $257,504 | $4,682iApproximate average salary by contribution assumption: employee only about $117,047 at 4% or $78,032 at 6%; with 50% employer match about $78,032 at 4% or $52,021 at 6%; with 100% employer match about $58,524 at 4% or $39,016 at 6%. |
| 2002 | 1 | 43 | $107,673 | $92,785 | $2,158iApproximate average salary by contribution assumption: employee only about $53,945 at 4% or $35,963 at 6%; with 50% employer match about $35,963 at 4% or $23,975 at 6%; with 100% employer match about $26,972 at 4% or $17,982 at 6%. |
| The Optos Inc. 401(K) Plan | - | 43 | $107,673 | $92,785 | $2,158iApproximate average salary by contribution assumption: employee only about $53,945 at 4% or $35,963 at 6%; with 50% employer match about $35,963 at 4% or $23,975 at 6%; with 100% employer match about $26,972 at 4% or $17,982 at 6%. |