Antigenics Inc
Plan context: Antigenics Inc 401K Retirement Plan
EIN 06-1562417 • Lexington, MA • 42 filings • 10 plans
Current Snapshot
Latest Year
2024
2024 Participants
227
2024 Assets
$52,668,986
2024 Contributions
$5,329,654
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 | 227 | $52,668,986 | $5,329,654 | $23,479iApproximate average salary by contribution assumption: employee only about $586,966 at 4% or $391,311 at 6%; with 50% employer match about $391,311 at 4% or $260,874 at 6%; with 100% employer match about $293,483 at 4% or $195,655 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 217 | $52,668,986 | $5,329,654 | $24,561iApproximate average salary by contribution assumption: employee only about $614,015 at 4% or $409,344 at 6%; with 50% employer match about $409,344 at 4% or $272,896 at 6%; with 100% employer match about $307,008 at 4% or $204,672 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 227 | - | - | - |
| 2023 | 2 | 256 | $42,860,817 | $6,346,603 | $24,791iApproximate average salary by contribution assumption: employee only about $619,785 at 4% or $413,190 at 6%; with 50% employer match about $413,190 at 4% or $275,460 at 6%; with 100% employer match about $309,893 at 4% or $206,595 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 255 | $42,860,817 | $6,346,603 | $24,889iApproximate average salary by contribution assumption: employee only about $622,216 at 4% or $414,811 at 6%; with 50% employer match about $414,811 at 4% or $276,540 at 6%; with 100% employer match about $311,108 at 4% or $207,405 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 256 | - | - | - |
| 2022 | 2 | 284 | $32,150,288 | $4,841,990 | $17,049iApproximate average salary by contribution assumption: employee only about $426,232 at 4% or $284,154 at 6%; with 50% employer match about $284,154 at 4% or $189,436 at 6%; with 100% employer match about $213,116 at 4% or $142,077 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 284 | $32,150,288 | $4,841,990 | $17,049iApproximate average salary by contribution assumption: employee only about $426,232 at 4% or $284,154 at 6%; with 50% employer match about $284,154 at 4% or $189,436 at 6%; with 100% employer match about $213,116 at 4% or $142,077 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 272 | - | - | - |
| 2021 | 2 | 279 | $39,651,197 | $3,941,200 | $14,126iApproximate average salary by contribution assumption: employee only about $353,154 at 4% or $235,436 at 6%; with 50% employer match about $235,436 at 4% or $156,957 at 6%; with 100% employer match about $176,577 at 4% or $117,718 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 279 | $39,651,197 | $3,941,200 | $14,126iApproximate average salary by contribution assumption: employee only about $353,154 at 4% or $235,436 at 6%; with 50% employer match about $235,436 at 4% or $156,957 at 6%; with 100% employer match about $176,577 at 4% or $117,718 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 268 | - | - | - |
| 2020 | 2 | 244 | $34,466,120 | $4,095,274 | $16,784iApproximate average salary by contribution assumption: employee only about $419,598 at 4% or $279,732 at 6%; with 50% employer match about $279,732 at 4% or $186,488 at 6%; with 100% employer match about $209,799 at 4% or $139,866 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 225 | $34,466,120 | $4,095,274 | $18,201iApproximate average salary by contribution assumption: employee only about $455,030 at 4% or $303,354 at 6%; with 50% employer match about $303,354 at 4% or $202,236 at 6%; with 100% employer match about $227,515 at 4% or $151,677 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 244 | - | - | - |
| 2019 | 2 | 261 | $27,354,177 | $4,564,080 | $17,487iApproximate average salary by contribution assumption: employee only about $437,172 at 4% or $291,448 at 6%; with 50% employer match about $291,448 at 4% or $194,299 at 6%; with 100% employer match about $218,586 at 4% or $145,724 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 261 | $27,354,177 | $4,564,080 | $17,487iApproximate average salary by contribution assumption: employee only about $437,172 at 4% or $291,448 at 6%; with 50% employer match about $291,448 at 4% or $194,299 at 6%; with 100% employer match about $218,586 at 4% or $145,724 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 241 | - | - | - |
| 2018 | 2 | 244 | $20,485,303 | $3,130,625 | $12,830iApproximate average salary by contribution assumption: employee only about $320,761 at 4% or $213,841 at 6%; with 50% employer match about $213,841 at 4% or $142,560 at 6%; with 100% employer match about $160,380 at 4% or $106,920 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 244 | $20,485,303 | $3,130,625 | $12,830iApproximate average salary by contribution assumption: employee only about $320,761 at 4% or $213,841 at 6%; with 50% employer match about $213,841 at 4% or $142,560 at 6%; with 100% employer match about $160,380 at 4% or $106,920 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 241 | - | - | - |
| 2017 | 2 | 208 | $20,845,732 | $3,007,414 | $14,459iApproximate average salary by contribution assumption: employee only about $361,468 at 4% or $240,979 at 6%; with 50% employer match about $240,979 at 4% or $160,652 at 6%; with 100% employer match about $180,734 at 4% or $120,489 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 208 | $20,845,732 | $3,007,414 | $14,459iApproximate average salary by contribution assumption: employee only about $361,468 at 4% or $240,979 at 6%; with 50% employer match about $240,979 at 4% or $160,652 at 6%; with 100% employer match about $180,734 at 4% or $120,489 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 207 | - | - | - |
| 2016 | 2 | 201 | $15,392,651 | $2,614,764 | $13,009iApproximate average salary by contribution assumption: employee only about $325,219 at 4% or $216,813 at 6%; with 50% employer match about $216,813 at 4% or $144,542 at 6%; with 100% employer match about $162,610 at 4% or $108,406 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 194 | $15,392,651 | $2,614,764 | $13,478iApproximate average salary by contribution assumption: employee only about $336,954 at 4% or $224,636 at 6%; with 50% employer match about $224,636 at 4% or $149,757 at 6%; with 100% employer match about $168,477 at 4% or $112,318 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 201 | - | - | - |
| 2015 | 1 | 124 | $12,301,692 | $1,520,857 | $12,265iApproximate average salary by contribution assumption: employee only about $306,624 at 4% or $204,416 at 6%; with 50% employer match about $204,416 at 4% or $136,278 at 6%; with 100% employer match about $153,312 at 4% or $102,208 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 124 | $12,301,692 | $1,520,857 | $12,265iApproximate average salary by contribution assumption: employee only about $306,624 at 4% or $204,416 at 6%; with 50% employer match about $204,416 at 4% or $136,278 at 6%; with 100% employer match about $153,312 at 4% or $102,208 at 6%. |
| 2014 | 1 | 79 | $11,788,199 | $727,607 | $9,210iApproximate average salary by contribution assumption: employee only about $230,255 at 4% or $153,504 at 6%; with 50% employer match about $153,504 at 4% or $102,336 at 6%; with 100% employer match about $115,128 at 4% or $76,752 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 79 | $11,788,199 | $727,607 | $9,210iApproximate average salary by contribution assumption: employee only about $230,255 at 4% or $153,504 at 6%; with 50% employer match about $153,504 at 4% or $102,336 at 6%; with 100% employer match about $115,128 at 4% or $76,752 at 6%. |
| 2013 | 1 | 69 | $11,624,849 | $784,847 | $11,375iApproximate average salary by contribution assumption: employee only about $284,365 at 4% or $189,577 at 6%; with 50% employer match about $189,577 at 4% or $126,384 at 6%; with 100% employer match about $142,182 at 4% or $94,788 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 69 | $11,624,849 | $784,847 | $11,375iApproximate average salary by contribution assumption: employee only about $284,365 at 4% or $189,577 at 6%; with 50% employer match about $189,577 at 4% or $126,384 at 6%; with 100% employer match about $142,182 at 4% or $94,788 at 6%. |
| 2012 | 1 | 54 | $9,482,829 | $569,439 | $10,545iApproximate average salary by contribution assumption: employee only about $263,629 at 4% or $175,753 at 6%; with 50% employer match about $175,753 at 4% or $117,169 at 6%; with 100% employer match about $131,815 at 4% or $87,876 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 54 | $9,482,829 | $569,439 | $10,545iApproximate average salary by contribution assumption: employee only about $263,629 at 4% or $175,753 at 6%; with 50% employer match about $175,753 at 4% or $117,169 at 6%; with 100% employer match about $131,815 at 4% or $87,876 at 6%. |
| 2011 | 1 | 55 | $8,677,024 | $530,338 | $9,643iApproximate average salary by contribution assumption: employee only about $241,063 at 4% or $160,708 at 6%; with 50% employer match about $160,708 at 4% or $107,139 at 6%; with 100% employer match about $120,531 at 4% or $80,354 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 55 | $8,677,024 | $530,338 | $9,643iApproximate average salary by contribution assumption: employee only about $241,063 at 4% or $160,708 at 6%; with 50% employer match about $160,708 at 4% or $107,139 at 6%; with 100% employer match about $120,531 at 4% or $80,354 at 6%. |
| 2010 | 1 | 58 | $9,002,112 | $518,556 | $8,941iApproximate average salary by contribution assumption: employee only about $223,516 at 4% or $149,010 at 6%; with 50% employer match about $149,010 at 4% or $99,340 at 6%; with 100% employer match about $111,758 at 4% or $74,505 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 58 | $9,002,112 | $518,556 | $8,941iApproximate average salary by contribution assumption: employee only about $223,516 at 4% or $149,010 at 6%; with 50% employer match about $149,010 at 4% or $99,340 at 6%; with 100% employer match about $111,758 at 4% or $74,505 at 6%. |
| 2009 | 2 | 70 | $8,358,023 | $633,270 | $9,047iApproximate average salary by contribution assumption: employee only about $226,168 at 4% or $150,779 at 6%; with 50% employer match about $150,779 at 4% or $100,519 at 6%; with 100% employer match about $113,084 at 4% or $75,389 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 70 | $8,358,023 | $633,270 | $9,047iApproximate average salary by contribution assumption: employee only about $226,168 at 4% or $150,779 at 6%; with 50% employer match about $150,779 at 4% or $100,519 at 6%; with 100% employer match about $113,084 at 4% or $75,389 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 66 | - | - | - |
| 2008 | 2 | 103 | $6,958,311 | $1,428,601 | $13,870iApproximate average salary by contribution assumption: employee only about $346,748 at 4% or $231,165 at 6%; with 50% employer match about $231,165 at 4% or $154,110 at 6%; with 100% employer match about $173,374 at 4% or $115,583 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 103 | $6,958,311 | $1,428,601 | $13,870iApproximate average salary by contribution assumption: employee only about $346,748 at 4% or $231,165 at 6%; with 50% employer match about $231,165 at 4% or $154,110 at 6%; with 100% employer match about $173,374 at 4% or $115,583 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 99 | - | - | - |
| 2007 | 2 | 105 | $10,735,402 | $783,385 | $7,461iApproximate average salary by contribution assumption: employee only about $186,520 at 4% or $124,347 at 6%; with 50% employer match about $124,347 at 4% or $82,898 at 6%; with 100% employer match about $93,260 at 4% or $62,173 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 105 | $10,735,402 | $783,385 | $7,461iApproximate average salary by contribution assumption: employee only about $186,520 at 4% or $124,347 at 6%; with 50% employer match about $124,347 at 4% or $82,898 at 6%; with 100% employer match about $93,260 at 4% or $62,173 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 98 | - | - | - |
| 2006 | 2 | 118 | $11,453,989 | $1,207,723 | $10,235iApproximate average salary by contribution assumption: employee only about $255,874 at 4% or $170,582 at 6%; with 50% employer match about $170,582 at 4% or $113,722 at 6%; with 100% employer match about $127,937 at 4% or $85,291 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 118 | $11,453,989 | $1,207,723 | $10,235iApproximate average salary by contribution assumption: employee only about $255,874 at 4% or $170,582 at 6%; with 50% employer match about $170,582 at 4% or $113,722 at 6%; with 100% employer match about $127,937 at 4% or $85,291 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 98 | - | - | - |
| 2005 | 2 | 213 | $12,345,190 | $2,232,342 | $10,480iApproximate average salary by contribution assumption: employee only about $262,012 at 4% or $174,675 at 6%; with 50% employer match about $174,675 at 4% or $116,450 at 6%; with 100% employer match about $131,006 at 4% or $87,337 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 213 | $12,345,190 | $2,232,342 | $10,480iApproximate average salary by contribution assumption: employee only about $262,012 at 4% or $174,675 at 6%; with 50% employer match about $174,675 at 4% or $116,450 at 6%; with 100% employer match about $131,006 at 4% or $87,337 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 200 | - | - | - |
| 2004 | 2 | 275 | $11,285,402 | $2,076,883 | $7,552iApproximate average salary by contribution assumption: employee only about $188,808 at 4% or $125,872 at 6%; with 50% employer match about $125,872 at 4% or $83,914 at 6%; with 100% employer match about $94,404 at 4% or $62,936 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 275 | $11,285,402 | $2,076,883 | $7,552iApproximate average salary by contribution assumption: employee only about $188,808 at 4% or $125,872 at 6%; with 50% employer match about $125,872 at 4% or $83,914 at 6%; with 100% employer match about $94,404 at 4% or $62,936 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 253 | - | - | - |
| 2003 | 2 | 246 | $9,687,916 | $1,803,603 | $7,332iApproximate average salary by contribution assumption: employee only about $183,293 at 4% or $122,195 at 6%; with 50% employer match about $122,195 at 4% or $81,464 at 6%; with 100% employer match about $91,646 at 4% or $61,098 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 246 | $9,687,916 | $1,803,603 | $7,332iApproximate average salary by contribution assumption: employee only about $183,293 at 4% or $122,195 at 6%; with 50% employer match about $122,195 at 4% or $81,464 at 6%; with 100% employer match about $91,646 at 4% or $61,098 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 220 | - | - | - |
| 2002 | 2 | 221 | $6,488,345 | $1,695,879 | $7,674iApproximate average salary by contribution assumption: employee only about $191,842 at 4% or $127,894 at 6%; with 50% employer match about $127,894 at 4% or $85,263 at 6%; with 100% employer match about $95,921 at 4% or $63,947 at 6%. |
| Antigenics Inc 401K Retirement Plan | - | 221 | $6,488,345 | $1,695,879 | $7,674iApproximate average salary by contribution assumption: employee only about $191,842 at 4% or $127,894 at 6%; with 50% employer match about $127,894 at 4% or $85,263 at 6%; with 100% employer match about $95,921 at 4% or $63,947 at 6%. |
| Antigenics Inc Employee Benefit Plan | - | 203 | - | - | - |
| 2001 | 2 | 209 | $0 | $0 | - |
| Antigenics Inc Employee Benefit Plan | - | 204 | - | - | - |
| Antigenics Inc 401K Retirement Plan | - | 209 | - | - | - |