Aspen Aerogels Inc.
Plan context: Aspen Aerogels Inc. 401(K) Plan
EIN 04-3559972 • Northborough, MA • 41 filings • 5 plans
Current Snapshot
Latest Year
2024
2024 Participants
526
2024 Assets
$40,687,824
2024 Contributions
$6,958,837
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 | 526 | $40,687,824 | $6,958,837 | $13,230iApproximate average salary by contribution assumption: employee only about $330,743 at 4% or $220,495 at 6%; with 50% employer match about $220,495 at 4% or $146,997 at 6%; with 100% employer match about $165,372 at 4% or $110,248 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 521 | $40,687,824 | $6,958,837 | $13,357iApproximate average salary by contribution assumption: employee only about $333,917 at 4% or $222,612 at 6%; with 50% employer match about $222,612 at 4% or $148,408 at 6%; with 100% employer match about $166,959 at 4% or $111,306 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 526 | - | - | - |
| 2023 | 2 | 517 | $33,382,488 | $7,514,923 | $14,536iApproximate average salary by contribution assumption: employee only about $363,391 at 4% or $242,261 at 6%; with 50% employer match about $242,261 at 4% or $161,507 at 6%; with 100% employer match about $181,695 at 4% or $121,130 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 517 | $33,382,488 | $7,514,923 | $14,536iApproximate average salary by contribution assumption: employee only about $363,391 at 4% or $242,261 at 6%; with 50% employer match about $242,261 at 4% or $161,507 at 6%; with 100% employer match about $181,695 at 4% or $121,130 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 502 | - | - | - |
| 2022 | 2 | 507 | $24,431,706 | $5,638,340 | $11,121iApproximate average salary by contribution assumption: employee only about $278,025 at 4% or $185,350 at 6%; with 50% employer match about $185,350 at 4% or $123,567 at 6%; with 100% employer match about $139,012 at 4% or $92,675 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 507 | $24,431,706 | $5,638,340 | $11,121iApproximate average salary by contribution assumption: employee only about $278,025 at 4% or $185,350 at 6%; with 50% employer match about $185,350 at 4% or $123,567 at 6%; with 100% employer match about $139,012 at 4% or $92,675 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 494 | - | - | - |
| 2021 | 2 | 397 | $24,327,568 | $2,602,758 | $6,556iApproximate average salary by contribution assumption: employee only about $163,902 at 4% or $109,268 at 6%; with 50% employer match about $109,268 at 4% or $72,845 at 6%; with 100% employer match about $81,951 at 4% or $54,634 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 397 | $24,327,568 | $2,602,758 | $6,556iApproximate average salary by contribution assumption: employee only about $163,902 at 4% or $109,268 at 6%; with 50% employer match about $109,268 at 4% or $72,845 at 6%; with 100% employer match about $81,951 at 4% or $54,634 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 354 | - | - | - |
| 2020 | 2 | 274 | $21,201,642 | $2,284,181 | $8,336iApproximate average salary by contribution assumption: employee only about $208,411 at 4% or $138,940 at 6%; with 50% employer match about $138,940 at 4% or $92,627 at 6%; with 100% employer match about $104,205 at 4% or $69,470 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 274 | $21,201,642 | $2,284,181 | $8,336iApproximate average salary by contribution assumption: employee only about $208,411 at 4% or $138,940 at 6%; with 50% employer match about $138,940 at 4% or $92,627 at 6%; with 100% employer match about $104,205 at 4% or $69,470 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 266 | - | - | - |
| 2019 | 2 | 289 | $18,705,934 | $2,176,647 | $7,532iApproximate average salary by contribution assumption: employee only about $188,291 at 4% or $125,528 at 6%; with 50% employer match about $125,528 at 4% or $83,685 at 6%; with 100% employer match about $94,146 at 4% or $62,764 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 289 | $18,705,934 | $2,176,647 | $7,532iApproximate average salary by contribution assumption: employee only about $188,291 at 4% or $125,528 at 6%; with 50% employer match about $125,528 at 4% or $83,685 at 6%; with 100% employer match about $94,146 at 4% or $62,764 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 289 | - | - | - |
| 2018 | 2 | 284 | $15,028,361 | $2,074,025 | $7,303iApproximate average salary by contribution assumption: employee only about $182,573 at 4% or $121,715 at 6%; with 50% employer match about $121,715 at 4% or $81,143 at 6%; with 100% employer match about $91,286 at 4% or $60,858 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 282 | $15,028,361 | $2,074,025 | $7,355iApproximate average salary by contribution assumption: employee only about $183,867 at 4% or $122,578 at 6%; with 50% employer match about $122,578 at 4% or $81,719 at 6%; with 100% employer match about $91,934 at 4% or $61,289 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 284 | - | - | - |
| 2017 | 2 | 252 | $14,976,740 | $1,908,631 | $7,574iApproximate average salary by contribution assumption: employee only about $189,348 at 4% or $126,232 at 6%; with 50% employer match about $126,232 at 4% or $84,155 at 6%; with 100% employer match about $94,674 at 4% or $63,116 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 252 | $14,976,740 | $1,908,631 | $7,574iApproximate average salary by contribution assumption: employee only about $189,348 at 4% or $126,232 at 6%; with 50% employer match about $126,232 at 4% or $84,155 at 6%; with 100% employer match about $94,674 at 4% or $63,116 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 250 | - | - | - |
| 2016 | 2 | 272 | $12,085,546 | $1,974,947 | $7,261iApproximate average salary by contribution assumption: employee only about $181,521 at 4% or $121,014 at 6%; with 50% employer match about $121,014 at 4% or $80,676 at 6%; with 100% employer match about $90,760 at 4% or $60,507 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 272 | $12,085,546 | $1,974,947 | $7,261iApproximate average salary by contribution assumption: employee only about $181,521 at 4% or $121,014 at 6%; with 50% employer match about $121,014 at 4% or $80,676 at 6%; with 100% employer match about $90,760 at 4% or $60,507 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 270 | - | - | - |
| 2015 | 2 | 266 | $9,569,317 | $1,750,948 | $6,583iApproximate average salary by contribution assumption: employee only about $164,563 at 4% or $109,709 at 6%; with 50% employer match about $109,709 at 4% or $73,139 at 6%; with 100% employer match about $82,281 at 4% or $54,854 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 266 | $9,569,317 | $1,750,948 | $6,583iApproximate average salary by contribution assumption: employee only about $164,563 at 4% or $109,709 at 6%; with 50% employer match about $109,709 at 4% or $73,139 at 6%; with 100% employer match about $82,281 at 4% or $54,854 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 260 | - | - | - |
| 2014 | 2 | 242 | $8,480,598 | $1,318,028 | $5,446iApproximate average salary by contribution assumption: employee only about $136,160 at 4% or $90,773 at 6%; with 50% employer match about $90,773 at 4% or $60,516 at 6%; with 100% employer match about $68,080 at 4% or $45,387 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 242 | $8,480,598 | $1,318,028 | $5,446iApproximate average salary by contribution assumption: employee only about $136,160 at 4% or $90,773 at 6%; with 50% employer match about $90,773 at 4% or $60,516 at 6%; with 100% employer match about $68,080 at 4% or $45,387 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 225 | - | - | - |
| 2013 | 2 | 207 | $7,172,505 | $1,108,269 | $5,354iApproximate average salary by contribution assumption: employee only about $133,849 at 4% or $89,233 at 6%; with 50% employer match about $89,233 at 4% or $59,488 at 6%; with 100% employer match about $66,924 at 4% or $44,616 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 207 | $7,172,505 | $1,108,269 | $5,354iApproximate average salary by contribution assumption: employee only about $133,849 at 4% or $89,233 at 6%; with 50% employer match about $89,233 at 4% or $59,488 at 6%; with 100% employer match about $66,924 at 4% or $44,616 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 203 | - | - | - |
| 2012 | 2 | 192 | $5,496,069 | $956,985 | $4,984iApproximate average salary by contribution assumption: employee only about $124,607 at 4% or $83,072 at 6%; with 50% employer match about $83,072 at 4% or $55,381 at 6%; with 100% employer match about $62,304 at 4% or $41,536 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 192 | $5,496,069 | $956,985 | $4,984iApproximate average salary by contribution assumption: employee only about $124,607 at 4% or $83,072 at 6%; with 50% employer match about $83,072 at 4% or $55,381 at 6%; with 100% employer match about $62,304 at 4% or $41,536 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 182 | - | - | - |
| 2011 | 2 | 167 | $4,452,406 | $848,092 | $5,078iApproximate average salary by contribution assumption: employee only about $126,960 at 4% or $84,640 at 6%; with 50% employer match about $84,640 at 4% or $56,427 at 6%; with 100% employer match about $63,480 at 4% or $42,320 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 167 | $4,452,406 | $848,092 | $5,078iApproximate average salary by contribution assumption: employee only about $126,960 at 4% or $84,640 at 6%; with 50% employer match about $84,640 at 4% or $56,427 at 6%; with 100% employer match about $63,480 at 4% or $42,320 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 155 | - | - | - |
| 2010 | 2 | 125 | $3,792,426 | $542,961 | $4,344iApproximate average salary by contribution assumption: employee only about $108,592 at 4% or $72,395 at 6%; with 50% employer match about $72,395 at 4% or $48,263 at 6%; with 100% employer match about $54,296 at 4% or $36,197 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 125 | $3,792,426 | $542,961 | $4,344iApproximate average salary by contribution assumption: employee only about $108,592 at 4% or $72,395 at 6%; with 50% employer match about $72,395 at 4% or $48,263 at 6%; with 100% employer match about $54,296 at 4% or $36,197 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 125 | - | - | - |
| 2009 | 2 | 98 | $3,047,855 | $553,254 | $5,645iApproximate average salary by contribution assumption: employee only about $141,136 at 4% or $94,091 at 6%; with 50% employer match about $94,091 at 4% or $62,727 at 6%; with 100% employer match about $70,568 at 4% or $47,045 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 98 | $3,047,855 | $553,254 | $5,645iApproximate average salary by contribution assumption: employee only about $141,136 at 4% or $94,091 at 6%; with 50% employer match about $94,091 at 4% or $62,727 at 6%; with 100% employer match about $70,568 at 4% or $47,045 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 95 | - | - | - |
| 2008 | 2 | 120 | $0 | $836,690 | $6,972iApproximate average salary by contribution assumption: employee only about $174,310 at 4% or $116,207 at 6%; with 50% employer match about $116,207 at 4% or $77,471 at 6%; with 100% employer match about $87,155 at 4% or $58,103 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 110 | - | - | - |
| Aspen Aerogels Inc. 401(K) Plan | - | 120 | - | $836,690 | $6,972iApproximate average salary by contribution assumption: employee only about $174,310 at 4% or $116,207 at 6%; with 50% employer match about $116,207 at 4% or $77,471 at 6%; with 100% employer match about $87,155 at 4% or $58,103 at 6%. |
| 2007 | 2 | 90 | $2,565,967 | $665,397 | $7,393iApproximate average salary by contribution assumption: employee only about $184,833 at 4% or $123,222 at 6%; with 50% employer match about $123,222 at 4% or $82,148 at 6%; with 100% employer match about $92,416 at 4% or $61,611 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 90 | $2,565,967 | $665,397 | $7,393iApproximate average salary by contribution assumption: employee only about $184,833 at 4% or $123,222 at 6%; with 50% employer match about $123,222 at 4% or $82,148 at 6%; with 100% employer match about $92,416 at 4% or $61,611 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 88 | - | - | - |
| 2006 | 3 | 137 | $2,425,907 | $1,019,767 | $7,444iApproximate average salary by contribution assumption: employee only about $186,089 at 4% or $124,059 at 6%; with 50% employer match about $124,059 at 4% or $82,706 at 6%; with 100% employer match about $93,044 at 4% or $62,030 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 128 | $2,425,907 | $1,019,767 | $7,967iApproximate average salary by contribution assumption: employee only about $199,173 at 4% or $132,782 at 6%; with 50% employer match about $132,782 at 4% or $88,521 at 6%; with 100% employer match about $99,587 at 4% or $66,391 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 137 | - | - | - |
| Aspen Aerogels Inc. Welfare Plan | - | 0 | - | - | - |
| 2005 | 2 | 124 | $1,552,478 | $441,231 | $3,558iApproximate average salary by contribution assumption: employee only about $88,958 at 4% or $59,305 at 6%; with 50% employer match about $59,305 at 4% or $39,537 at 6%; with 100% employer match about $44,479 at 4% or $29,653 at 6%. |
| Aspen Aerogels Inc. 401(K) Plan | - | 124 | $1,552,478 | $441,231 | $3,558iApproximate average salary by contribution assumption: employee only about $88,958 at 4% or $59,305 at 6%; with 50% employer match about $59,305 at 4% or $39,537 at 6%; with 100% employer match about $44,479 at 4% or $29,653 at 6%. |
| Aspen Aerogels Inc. Welfare Plan | - | 123 | - | - | - |