Rosebud Mining Company
Plan context: Rosebud Mining Company 401K Plan
EIN 25-1359034 • 49 filings • 4 plans
Current Snapshot
Latest Year
2024
2024 Participants
978
2024 Assets
$235,127,591
2024 Contributions
$20,127,800
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 | 978 | $235,127,591 | $20,127,800 | $20,581iApproximate average salary by contribution assumption: employee only about $514,514 at 4% or $343,010 at 6%; with 50% employer match about $343,010 at 4% or $228,673 at 6%; with 100% employer match about $257,257 at 4% or $171,505 at 6%. |
| Rosebud Mining Company 401K Plan | - | 922 | $235,127,591 | $20,127,800 | $21,831iApproximate average salary by contribution assumption: employee only about $545,765 at 4% or $363,843 at 6%; with 50% employer match about $363,843 at 4% or $242,562 at 6%; with 100% employer match about $272,882 at 4% or $181,922 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 978 | - | - | - |
| 2023 | 2 | 1,004 | $200,398,359 | $18,159,480 | $18,087iApproximate average salary by contribution assumption: employee only about $452,178 at 4% or $301,452 at 6%; with 50% employer match about $301,452 at 4% or $200,968 at 6%; with 100% employer match about $226,089 at 4% or $150,726 at 6%. |
| Rosebud Mining Company 401K Plan | - | 880 | $200,398,359 | $18,159,480 | $20,636iApproximate average salary by contribution assumption: employee only about $515,894 at 4% or $343,930 at 6%; with 50% employer match about $343,930 at 4% or $229,286 at 6%; with 100% employer match about $257,947 at 4% or $171,965 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,004 | - | - | - |
| 2022 | 2 | 974 | $167,771,461 | $15,887,551 | $16,312iApproximate average salary by contribution assumption: employee only about $407,791 at 4% or $271,861 at 6%; with 50% employer match about $271,861 at 4% or $181,241 at 6%; with 100% employer match about $203,896 at 4% or $135,930 at 6%. |
| Rosebud Mining Company 401K Plan | - | 861 | $167,771,461 | $15,887,551 | $18,452iApproximate average salary by contribution assumption: employee only about $461,311 at 4% or $307,541 at 6%; with 50% employer match about $307,541 at 4% or $205,027 at 6%; with 100% employer match about $230,656 at 4% or $153,770 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 974 | - | - | - |
| 2021 | 2 | 937 | $191,846,308 | $14,024,222 | $14,967iApproximate average salary by contribution assumption: employee only about $374,179 at 4% or $249,453 at 6%; with 50% employer match about $249,453 at 4% or $166,302 at 6%; with 100% employer match about $187,089 at 4% or $124,726 at 6%. |
| Rosebud Mining Company 401K Plan | - | 829 | $191,846,308 | $14,024,222 | $16,917iApproximate average salary by contribution assumption: employee only about $422,926 at 4% or $281,951 at 6%; with 50% employer match about $281,951 at 4% or $187,967 at 6%; with 100% employer match about $211,463 at 4% or $140,975 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 937 | - | - | - |
| 2020 | 2 | 859 | $170,899,563 | $12,026,595 | $14,001iApproximate average salary by contribution assumption: employee only about $350,017 at 4% or $233,345 at 6%; with 50% employer match about $233,345 at 4% or $155,563 at 6%; with 100% employer match about $175,009 at 4% or $116,672 at 6%. |
| Rosebud Mining Company 401K Plan | - | 859 | $170,899,563 | $12,026,595 | $14,001iApproximate average salary by contribution assumption: employee only about $350,017 at 4% or $233,345 at 6%; with 50% employer match about $233,345 at 4% or $155,563 at 6%; with 100% employer match about $175,009 at 4% or $116,672 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 838 | - | - | - |
| 2019 | 2 | 922 | $155,952,235 | $12,421,660 | $13,473iApproximate average salary by contribution assumption: employee only about $336,813 at 4% or $224,542 at 6%; with 50% employer match about $224,542 at 4% or $149,695 at 6%; with 100% employer match about $168,406 at 4% or $112,271 at 6%. |
| Rosebud Mining Company 401K Plan | - | 922 | $155,952,235 | $12,421,660 | $13,473iApproximate average salary by contribution assumption: employee only about $336,813 at 4% or $224,542 at 6%; with 50% employer match about $224,542 at 4% or $149,695 at 6%; with 100% employer match about $168,406 at 4% or $112,271 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 869 | - | - | - |
| 2018 | 2 | 863 | $126,150,269 | $11,284,004 | $13,075iApproximate average salary by contribution assumption: employee only about $326,883 at 4% or $217,922 at 6%; with 50% employer match about $217,922 at 4% or $145,281 at 6%; with 100% employer match about $163,442 at 4% or $108,961 at 6%. |
| Rosebud Mining Company 401K Plan | - | 863 | $126,150,269 | $11,284,004 | $13,075iApproximate average salary by contribution assumption: employee only about $326,883 at 4% or $217,922 at 6%; with 50% employer match about $217,922 at 4% or $145,281 at 6%; with 100% employer match about $163,442 at 4% or $108,961 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 816 | - | - | - |
| 2017 | 2 | 777 | $133,142,811 | $9,329,415 | $12,007iApproximate average salary by contribution assumption: employee only about $300,174 at 4% or $200,116 at 6%; with 50% employer match about $200,116 at 4% or $133,411 at 6%; with 100% employer match about $150,087 at 4% or $100,058 at 6%. |
| Rosebud Mining Company 401K Plan | - | 777 | $133,142,811 | $9,329,415 | $12,007iApproximate average salary by contribution assumption: employee only about $300,174 at 4% or $200,116 at 6%; with 50% employer match about $200,116 at 4% or $133,411 at 6%; with 100% employer match about $150,087 at 4% or $100,058 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 718 | - | - | - |
| 2016 | 2 | 795 | $113,278,562 | $5,222,459 | $6,569iApproximate average salary by contribution assumption: employee only about $164,228 at 4% or $109,486 at 6%; with 50% employer match about $109,486 at 4% or $72,990 at 6%; with 100% employer match about $82,114 at 4% or $54,743 at 6%. |
| Rosebud Mining Company 401K Plan | - | 795 | $113,278,562 | $5,222,459 | $6,569iApproximate average salary by contribution assumption: employee only about $164,228 at 4% or $109,486 at 6%; with 50% employer match about $109,486 at 4% or $72,990 at 6%; with 100% employer match about $82,114 at 4% or $54,743 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 733 | - | - | - |
| 2015 | 2 | 1,033 | $128,019,598 | $9,366,203 | $9,067iApproximate average salary by contribution assumption: employee only about $226,675 at 4% or $151,117 at 6%; with 50% employer match about $151,117 at 4% or $100,744 at 6%; with 100% employer match about $113,337 at 4% or $75,558 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,002 | $128,019,598 | $9,366,203 | $9,348iApproximate average salary by contribution assumption: employee only about $233,688 at 4% or $155,792 at 6%; with 50% employer match about $155,792 at 4% or $103,861 at 6%; with 100% employer match about $116,844 at 4% or $77,896 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,033 | - | - | - |
| 2014 | 2 | 1,211 | $134,787,746 | $13,034,991 | $10,764iApproximate average salary by contribution assumption: employee only about $269,096 at 4% or $179,397 at 6%; with 50% employer match about $179,397 at 4% or $119,598 at 6%; with 100% employer match about $134,548 at 4% or $89,699 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,211 | $134,787,746 | $13,034,991 | $10,764iApproximate average salary by contribution assumption: employee only about $269,096 at 4% or $179,397 at 6%; with 50% employer match about $179,397 at 4% or $119,598 at 6%; with 100% employer match about $134,548 at 4% or $89,699 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,136 | - | - | - |
| 2013 | 2 | 1,341 | $125,824,961 | $14,419,140 | $10,753iApproximate average salary by contribution assumption: employee only about $268,813 at 4% or $179,209 at 6%; with 50% employer match about $179,209 at 4% or $119,473 at 6%; with 100% employer match about $134,407 at 4% or $89,604 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,341 | $125,824,961 | $14,419,140 | $10,753iApproximate average salary by contribution assumption: employee only about $268,813 at 4% or $179,209 at 6%; with 50% employer match about $179,209 at 4% or $119,473 at 6%; with 100% employer match about $134,407 at 4% or $89,604 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,293 | - | - | - |
| 2012 | 2 | 1,399 | $102,083,471 | $14,543,019 | $10,395iApproximate average salary by contribution assumption: employee only about $259,882 at 4% or $173,255 at 6%; with 50% employer match about $173,255 at 4% or $115,503 at 6%; with 100% employer match about $129,941 at 4% or $86,627 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,399 | $102,083,471 | $14,543,019 | $10,395iApproximate average salary by contribution assumption: employee only about $259,882 at 4% or $173,255 at 6%; with 50% employer match about $173,255 at 4% or $115,503 at 6%; with 100% employer match about $129,941 at 4% or $86,627 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,339 | - | - | - |
| 2011 | 2 | 1,439 | $77,732,579 | $15,361,244 | $10,675iApproximate average salary by contribution assumption: employee only about $266,874 at 4% or $177,916 at 6%; with 50% employer match about $177,916 at 4% or $118,610 at 6%; with 100% employer match about $133,437 at 4% or $88,958 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,439 | $77,732,579 | $15,361,244 | $10,675iApproximate average salary by contribution assumption: employee only about $266,874 at 4% or $177,916 at 6%; with 50% employer match about $177,916 at 4% or $118,610 at 6%; with 100% employer match about $133,437 at 4% or $88,958 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,423 | - | - | - |
| 2010 | 2 | 1,256 | $68,454,681 | $12,875,429 | $10,251iApproximate average salary by contribution assumption: employee only about $256,278 at 4% or $170,852 at 6%; with 50% employer match about $170,852 at 4% or $113,902 at 6%; with 100% employer match about $128,139 at 4% or $85,426 at 6%. |
| Rosebud Mining Company 401K Plan | - | 1,256 | $68,454,681 | $12,875,429 | $10,251iApproximate average salary by contribution assumption: employee only about $256,278 at 4% or $170,852 at 6%; with 50% employer match about $170,852 at 4% or $113,902 at 6%; with 100% employer match about $128,139 at 4% or $85,426 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 1,196 | - | - | - |
| 2009 | 2 | 810 | $47,521,605 | $7,064,599 | $8,722iApproximate average salary by contribution assumption: employee only about $218,043 at 4% or $145,362 at 6%; with 50% employer match about $145,362 at 4% or $96,908 at 6%; with 100% employer match about $109,022 at 4% or $72,681 at 6%. |
| Rosebud Mining Company 401K Plan | - | 810 | $47,521,605 | $7,064,599 | $8,722iApproximate average salary by contribution assumption: employee only about $218,043 at 4% or $145,362 at 6%; with 50% employer match about $145,362 at 4% or $96,908 at 6%; with 100% employer match about $109,022 at 4% or $72,681 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 746 | - | - | - |
| 2008 | 2 | 807 | $33,586,310 | $7,849,709 | $9,727iApproximate average salary by contribution assumption: employee only about $243,176 at 4% or $162,117 at 6%; with 50% employer match about $162,117 at 4% or $108,078 at 6%; with 100% employer match about $121,588 at 4% or $81,059 at 6%. |
| Rosebud Mining Company 401K Plan | - | 807 | $33,586,310 | $7,849,709 | $9,727iApproximate average salary by contribution assumption: employee only about $243,176 at 4% or $162,117 at 6%; with 50% employer match about $162,117 at 4% or $108,078 at 6%; with 100% employer match about $121,588 at 4% or $81,059 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 784 | - | - | - |
| 2007 | 2 | 614 | $36,223,649 | $5,853,205 | $9,533iApproximate average salary by contribution assumption: employee only about $238,323 at 4% or $158,882 at 6%; with 50% employer match about $158,882 at 4% or $105,921 at 6%; with 100% employer match about $119,161 at 4% or $79,441 at 6%. |
| Rosebud Mining Company 401K Plan | - | 614 | $36,223,649 | $5,853,205 | $9,533iApproximate average salary by contribution assumption: employee only about $238,323 at 4% or $158,882 at 6%; with 50% employer match about $158,882 at 4% or $105,921 at 6%; with 100% employer match about $119,161 at 4% or $79,441 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 572 | - | - | - |
| 2006 | 2 | 526 | $29,126,981 | $5,207,347 | $9,900iApproximate average salary by contribution assumption: employee only about $247,497 at 4% or $164,998 at 6%; with 50% employer match about $164,998 at 4% or $109,999 at 6%; with 100% employer match about $123,749 at 4% or $82,499 at 6%. |
| Rosebud Mining Company 401K Plan | - | 526 | $29,126,981 | $5,207,347 | $9,900iApproximate average salary by contribution assumption: employee only about $247,497 at 4% or $164,998 at 6%; with 50% employer match about $164,998 at 4% or $109,999 at 6%; with 100% employer match about $123,749 at 4% or $82,499 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 505 | - | - | - |
| 2005 | 2 | 499 | $21,871,330 | $4,681,885 | $9,383iApproximate average salary by contribution assumption: employee only about $234,563 at 4% or $156,376 at 6%; with 50% employer match about $156,376 at 4% or $104,250 at 6%; with 100% employer match about $117,282 at 4% or $78,188 at 6%. |
| Rosebud Mining Company 401K Plan | - | 499 | $21,871,330 | $4,681,885 | $9,383iApproximate average salary by contribution assumption: employee only about $234,563 at 4% or $156,376 at 6%; with 50% employer match about $156,376 at 4% or $104,250 at 6%; with 100% employer match about $117,282 at 4% or $78,188 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 439 | - | - | - |
| 2004 | 2 | 392 | $15,927,342 | $3,453,145 | $8,809iApproximate average salary by contribution assumption: employee only about $220,226 at 4% or $146,817 at 6%; with 50% employer match about $146,817 at 4% or $97,878 at 6%; with 100% employer match about $110,113 at 4% or $73,409 at 6%. |
| Rosebud Mining Company 401K Plan | - | 392 | $15,927,342 | $3,453,145 | $8,809iApproximate average salary by contribution assumption: employee only about $220,226 at 4% or $146,817 at 6%; with 50% employer match about $146,817 at 4% or $97,878 at 6%; with 100% employer match about $110,113 at 4% or $73,409 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 323 | - | - | - |
| 2003 | 2 | 278 | $11,309,781 | $2,786,684 | $10,024iApproximate average salary by contribution assumption: employee only about $250,601 at 4% or $167,067 at 6%; with 50% employer match about $167,067 at 4% or $111,378 at 6%; with 100% employer match about $125,301 at 4% or $83,534 at 6%. |
| Rosebud Mining Company 401K Plan | - | 278 | $11,309,781 | $2,786,684 | $10,024iApproximate average salary by contribution assumption: employee only about $250,601 at 4% or $167,067 at 6%; with 50% employer match about $167,067 at 4% or $111,378 at 6%; with 100% employer match about $125,301 at 4% or $83,534 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 243 | - | - | - |
| 2002 | 2 | 225 | $7,204,636 | $2,073,400 | $9,215iApproximate average salary by contribution assumption: employee only about $230,378 at 4% or $153,585 at 6%; with 50% employer match about $153,585 at 4% or $102,390 at 6%; with 100% employer match about $115,189 at 4% or $76,793 at 6%. |
| Rosebud Mining Company 401K Plan | - | 223 | $7,204,636 | $2,073,400 | $9,298iApproximate average salary by contribution assumption: employee only about $232,444 at 4% or $154,963 at 6%; with 50% employer match about $154,963 at 4% or $103,308 at 6%; with 100% employer match about $116,222 at 4% or $77,481 at 6%. |
| Rosebud Mining Company Welfare Plan | - | 225 | - | - | - |
| 2001 | 1 | 216 | $654,615 | $1,552,345 | $7,187iApproximate average salary by contribution assumption: employee only about $179,670 at 4% or $119,780 at 6%; with 50% employer match about $119,780 at 4% or $79,853 at 6%; with 100% employer match about $89,835 at 4% or $59,890 at 6%. |
| Rosebud Mining Company 401K Plan | - | 216 | $654,615 | $1,552,345 | $7,187iApproximate average salary by contribution assumption: employee only about $179,670 at 4% or $119,780 at 6%; with 50% employer match about $119,780 at 4% or $79,853 at 6%; with 100% employer match about $89,835 at 4% or $59,890 at 6%. |
| 2000 | 1 | 118 | $6,087,838 | $868,653 | $7,361iApproximate average salary by contribution assumption: employee only about $184,037 at 4% or $122,691 at 6%; with 50% employer match about $122,691 at 4% or $81,794 at 6%; with 100% employer match about $92,018 at 4% or $61,346 at 6%. |
| Rosebud Mining Company 401K Plan | - | 118 | $6,087,838 | $868,653 | $7,361iApproximate average salary by contribution assumption: employee only about $184,037 at 4% or $122,691 at 6%; with 50% employer match about $122,691 at 4% or $81,794 at 6%; with 100% employer match about $92,018 at 4% or $61,346 at 6%. |
| 1999 | 1 | 108 | $5,653,077 | $916,847 | $8,489iApproximate average salary by contribution assumption: employee only about $212,233 at 4% or $141,489 at 6%; with 50% employer match about $141,489 at 4% or $94,326 at 6%; with 100% employer match about $106,117 at 4% or $70,744 at 6%. |
| Rosebud Mining Company 401K Plan | - | 108 | $5,653,077 | $916,847 | $8,489iApproximate average salary by contribution assumption: employee only about $212,233 at 4% or $141,489 at 6%; with 50% employer match about $141,489 at 4% or $94,326 at 6%; with 100% employer match about $106,117 at 4% or $70,744 at 6%. |