First Winthrop Corporation
Plan context: First Winthrop Corporation 401(K) Plan
EIN 04-2563478 • Boston, MA • 105 filings • 56 plans
Current Snapshot
Latest Year
2019
2019 Participants
137
2019 Assets
$19,867,926
2019 Contributions
$1,207,259
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 |
|---|---|---|---|---|---|
| 2019 | 6 | 0 | $0 | $0 | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 0 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 0 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 0 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 0 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 0 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 0 | - | - | - |
| 2018 | 5 | 137 | $0 | $0 | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 118 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 137 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 137 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 127 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 137 | - | - | - |
| 2016 | 6 | 139 | $19,867,926 | $1,207,259 | $8,685iApproximate average salary by contribution assumption: employee only about $217,133 at 4% or $144,755 at 6%; with 50% employer match about $144,755 at 4% or $96,504 at 6%; with 100% employer match about $108,566 at 4% or $72,378 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 139 | $19,867,926 | $1,207,259 | $8,685iApproximate average salary by contribution assumption: employee only about $217,133 at 4% or $144,755 at 6%; with 50% employer match about $144,755 at 4% or $96,504 at 6%; with 100% employer match about $108,566 at 4% or $72,378 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 116 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 132 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 132 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 132 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 132 | - | - | - |
| 2015 | 6 | 169 | $18,635,975 | $1,312,517 | $7,766iApproximate average salary by contribution assumption: employee only about $194,159 at 4% or $129,440 at 6%; with 50% employer match about $129,440 at 4% or $86,293 at 6%; with 100% employer match about $97,080 at 4% or $64,720 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 166 | $18,635,975 | $1,312,517 | $7,907iApproximate average salary by contribution assumption: employee only about $197,668 at 4% or $131,779 at 6%; with 50% employer match about $131,779 at 4% or $87,853 at 6%; with 100% employer match about $98,834 at 4% or $65,889 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 145 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 169 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 169 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 169 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 169 | - | - | - |
| 2014 | 6 | 306 | $18,853,000 | $1,455,991 | $4,758iApproximate average salary by contribution assumption: employee only about $118,954 at 4% or $79,302 at 6%; with 50% employer match about $79,302 at 4% or $52,868 at 6%; with 100% employer match about $59,477 at 4% or $39,651 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 306 | $18,853,000 | $1,455,991 | $4,758iApproximate average salary by contribution assumption: employee only about $118,954 at 4% or $79,302 at 6%; with 50% employer match about $79,302 at 4% or $52,868 at 6%; with 100% employer match about $59,477 at 4% or $39,651 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 304 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 304 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 304 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 304 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 304 | - | - | - |
| 2013 | 6 | 348 | $18,014,691 | $1,675,387 | $4,814iApproximate average salary by contribution assumption: employee only about $120,358 at 4% or $80,239 at 6%; with 50% employer match about $80,239 at 4% or $53,493 at 6%; with 100% employer match about $60,179 at 4% or $40,119 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 348 | $18,014,691 | $1,675,387 | $4,814iApproximate average salary by contribution assumption: employee only about $120,358 at 4% or $80,239 at 6%; with 50% employer match about $80,239 at 4% or $53,493 at 6%; with 100% employer match about $60,179 at 4% or $40,119 at 6%. |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 347 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 347 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 347 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 347 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 113 | - | - | - |
| 2012 | 6 | 367 | $14,800,745 | $1,620,921 | $4,417iApproximate average salary by contribution assumption: employee only about $110,417 at 4% or $73,611 at 6%; with 50% employer match about $73,611 at 4% or $49,074 at 6%; with 100% employer match about $55,208 at 4% or $36,806 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 367 | $14,800,745 | $1,620,921 | $4,417iApproximate average salary by contribution assumption: employee only about $110,417 at 4% or $73,611 at 6%; with 50% employer match about $73,611 at 4% or $49,074 at 6%; with 100% employer match about $55,208 at 4% or $36,806 at 6%. |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 349 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 338 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 300 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 349 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 119 | - | - | - |
| 2011 | 6 | 346 | $12,037,898 | $1,724,977 | $4,985iApproximate average salary by contribution assumption: employee only about $124,637 at 4% or $83,091 at 6%; with 50% employer match about $83,091 at 4% or $55,394 at 6%; with 100% employer match about $62,319 at 4% or $41,546 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 346 | $12,037,898 | $1,724,977 | $4,985iApproximate average salary by contribution assumption: employee only about $124,637 at 4% or $83,091 at 6%; with 50% employer match about $83,091 at 4% or $55,394 at 6%; with 100% employer match about $62,319 at 4% or $41,546 at 6%. |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 330 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 330 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 330 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 330 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 125 | - | - | - |
| 2010 | 6 | 202 | $11,304,761 | $1,135,446 | $5,621iApproximate average salary by contribution assumption: employee only about $140,525 at 4% or $93,684 at 6%; with 50% employer match about $93,684 at 4% or $62,456 at 6%; with 100% employer match about $70,263 at 4% or $46,842 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 202 | $11,304,761 | $1,135,446 | $5,621iApproximate average salary by contribution assumption: employee only about $140,525 at 4% or $93,684 at 6%; with 50% employer match about $93,684 at 4% or $62,456 at 6%; with 100% employer match about $70,263 at 4% or $46,842 at 6%. |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 190 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 190 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 190 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 188 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 190 | - | - | - |
| 2009 | 6 | 289 | $10,272,914 | $1,584,542 | $5,483iApproximate average salary by contribution assumption: employee only about $137,071 at 4% or $91,381 at 6%; with 50% employer match about $91,381 at 4% or $60,920 at 6%; with 100% employer match about $68,536 at 4% or $45,690 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 289 | $10,272,914 | $1,584,542 | $5,483iApproximate average salary by contribution assumption: employee only about $137,071 at 4% or $91,381 at 6%; with 50% employer match about $91,381 at 4% or $60,920 at 6%; with 100% employer match about $68,536 at 4% or $45,690 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 212 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 243 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 243 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 243 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 243 | - | - | - |
| 2008 | 6 | 279 | $7,070,834 | $1,936,369 | $6,940iApproximate average salary by contribution assumption: employee only about $173,510 at 4% or $115,673 at 6%; with 50% employer match about $115,673 at 4% or $77,115 at 6%; with 100% employer match about $86,755 at 4% or $57,837 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 225 | $7,070,834 | $1,936,369 | $8,606iApproximate average salary by contribution assumption: employee only about $215,152 at 4% or $143,435 at 6%; with 50% employer match about $143,435 at 4% or $95,623 at 6%; with 100% employer match about $107,576 at 4% or $71,717 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 242 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 254 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 279 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 269 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 279 | - | - | - |
| 2007 | 5 | 198 | $8,813,391 | $1,575,399 | $7,957iApproximate average salary by contribution assumption: employee only about $198,914 at 4% or $132,609 at 6%; with 50% employer match about $132,609 at 4% or $88,406 at 6%; with 100% employer match about $99,457 at 4% or $66,305 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 189 | $8,813,391 | $1,575,399 | $8,335iApproximate average salary by contribution assumption: employee only about $208,386 at 4% or $138,924 at 6%; with 50% employer match about $138,924 at 4% or $92,616 at 6%; with 100% employer match about $104,193 at 4% or $69,462 at 6%. |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 183 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 198 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 198 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 198 | - | - | - |
| 2006 | 6 | 169 | $8,490,453 | $1,584,416 | $9,375iApproximate average salary by contribution assumption: employee only about $234,381 at 4% or $156,254 at 6%; with 50% employer match about $156,254 at 4% or $104,169 at 6%; with 100% employer match about $117,191 at 4% or $78,127 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 168 | $8,490,453 | $1,584,416 | $9,431iApproximate average salary by contribution assumption: employee only about $235,776 at 4% or $157,184 at 6%; with 50% employer match about $157,184 at 4% or $104,789 at 6%; with 100% employer match about $117,888 at 4% or $78,592 at 6%. |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 169 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 169 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 153 | - | - | - |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 159 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 169 | - | - | - |
| 2005 | 6 | 135 | $6,644,724 | $1,054,615 | $7,812iApproximate average salary by contribution assumption: employee only about $195,299 at 4% or $130,199 at 6%; with 50% employer match about $130,199 at 4% or $86,800 at 6%; with 100% employer match about $97,650 at 4% or $65,100 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 129 | $6,644,724 | $1,054,615 | $8,175iApproximate average salary by contribution assumption: employee only about $204,383 at 4% or $136,255 at 6%; with 50% employer match about $136,255 at 4% or $90,837 at 6%; with 100% employer match about $102,191 at 4% or $68,128 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 124 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 123 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 135 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 135 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 135 | - | - | - |
| 2004 | 8 | 179 | $5,594,331 | $847,123 | $4,733iApproximate average salary by contribution assumption: employee only about $118,313 at 4% or $78,876 at 6%; with 50% employer match about $78,876 at 4% or $52,584 at 6%; with 100% employer match about $59,157 at 4% or $39,438 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 179 | $5,594,331 | $847,123 | $4,733iApproximate average salary by contribution assumption: employee only about $118,313 at 4% or $78,876 at 6%; with 50% employer match about $78,876 at 4% or $52,584 at 6%; with 100% employer match about $59,157 at 4% or $39,438 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 113 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 115 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 123 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 123 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 123 | - | - | - |
| FIRST WINTHROP CORPORATION AND ITS | - | 0 | - | - | - |
| FIRST WINTHROP CORPORATION AND ITS SUBS, DEPENDANT CARE PLAN | - | 0 | - | - | - |
| 2003 | 8 | 144 | $4,561,488 | $730,743 | $5,075iApproximate average salary by contribution assumption: employee only about $126,865 at 4% or $84,577 at 6%; with 50% employer match about $84,577 at 4% or $56,384 at 6%; with 100% employer match about $63,433 at 4% or $42,288 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 104 | $4,561,488 | $641,181 | $6,165iApproximate average salary by contribution assumption: employee only about $154,130 at 4% or $102,753 at 6%; with 50% employer match about $102,753 at 4% or $68,502 at 6%; with 100% employer match about $77,065 at 4% or $51,377 at 6%. |
| First Winthrop Corporation Its Subs Medical, Vision, Dental Insurance Plan | - | 96 | - | - | - |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 100 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 108 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 108 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 108 | - | - | - |
| FIRST WINTHROP CORP & ITS SUBS DEPENDANT CARE PLAN | - | 0 | - | - | - |
| FIRST WINTHROP CORP AND ITS SUBS, FLEXIBLE SPENDING ACCT | - | 144 | - | $89,562 | $622iApproximate average salary by contribution assumption: employee only about $15,549 at 4% or $10,366 at 6%; with 50% employer match about $10,366 at 4% or $6,911 at 6%; with 100% employer match about $7,774 at 4% or $5,183 at 6%. |
| 2002 | 5 | 111 | $3,438,190 | $598,192 | $5,389iApproximate average salary by contribution assumption: employee only about $134,728 at 4% or $89,819 at 6%; with 50% employer match about $89,819 at 4% or $59,879 at 6%; with 100% employer match about $67,364 at 4% or $44,909 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 109 | $3,438,190 | $598,192 | $5,488iApproximate average salary by contribution assumption: employee only about $137,200 at 4% or $91,467 at 6%; with 50% employer match about $91,467 at 4% or $60,978 at 6%; with 100% employer match about $68,600 at 4% or $45,733 at 6%. |
| First Winthrop Corporation Its Subs Long Term Disability Insurance Plan | - | 106 | - | - | - |
| First Winthrop Corporation Its Short Term Disability Insurance Plan | - | 111 | - | - | - |
| First Winthrop Corporation Its Subs Life Insurance Plan | - | 111 | - | - | - |
| First Winthrop Corporation Its Accidental Death and Dismemberment Insurance Plan | - | 109 | - | - | - |
| 2001 | 1 | 104 | $3,932,689 | $610,508 | $5,870iApproximate average salary by contribution assumption: employee only about $146,757 at 4% or $97,838 at 6%; with 50% employer match about $97,838 at 4% or $65,225 at 6%; with 100% employer match about $73,378 at 4% or $48,919 at 6%. |
| First Winthrop Corporation 401(K) Plan | - | 104 | $3,932,689 | $610,508 | $5,870iApproximate average salary by contribution assumption: employee only about $146,757 at 4% or $97,838 at 6%; with 50% employer match about $97,838 at 4% or $65,225 at 6%; with 100% employer match about $73,378 at 4% or $48,919 at 6%. |
| 2000 | 1 | 120 | $0 | $0 | - |
| First Winthrop Corporation 401(K) Plan | - | 120 | - | - | - |