Current Snapshot
Latest Year
2025
2025 Participants
3
2025 Assets
$166,407
2025 Contributions
$21,291
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 |
|---|---|---|---|---|---|
| 2025 | 1 | 3 | $166,407 | $21,291 | $7,097iApproximate average salary by contribution assumption: employee only about $177,425 at 4% or $118,283 at 6%; with 50% employer match about $118,283 at 4% or $78,856 at 6%; with 100% employer match about $88,713 at 4% or $59,142 at 6%. |
| Ambtra Inc 401(K) Plan | - | 3 | $166,407 | $21,291 | $7,097iApproximate average salary by contribution assumption: employee only about $177,425 at 4% or $118,283 at 6%; with 50% employer match about $118,283 at 4% or $78,856 at 6%; with 100% employer match about $88,713 at 4% or $59,142 at 6%. |
| 2024 | 1 | 3 | $141,950 | $24,820 | $8,273iApproximate average salary by contribution assumption: employee only about $206,833 at 4% or $137,889 at 6%; with 50% employer match about $137,889 at 4% or $91,926 at 6%; with 100% employer match about $103,417 at 4% or $68,944 at 6%. |
| Ambtra Inc 401(K) Plan | - | 3 | $141,950 | $24,820 | $8,273iApproximate average salary by contribution assumption: employee only about $206,833 at 4% or $137,889 at 6%; with 50% employer match about $137,889 at 4% or $91,926 at 6%; with 100% employer match about $103,417 at 4% or $68,944 at 6%. |
| 2023 | 1 | 4 | $294,619 | $44,242 | $11,061iApproximate average salary by contribution assumption: employee only about $276,513 at 4% or $184,342 at 6%; with 50% employer match about $184,342 at 4% or $122,894 at 6%; with 100% employer match about $138,256 at 4% or $92,171 at 6%. |
| Ambtra Inc 401(K) Plan | - | 4 | $294,619 | $44,242 | $11,061iApproximate average salary by contribution assumption: employee only about $276,513 at 4% or $184,342 at 6%; with 50% employer match about $184,342 at 4% or $122,894 at 6%; with 100% employer match about $138,256 at 4% or $92,171 at 6%. |
| 2022 | 1 | 4 | $704,292 | $39,101 | $9,775iApproximate average salary by contribution assumption: employee only about $244,381 at 4% or $162,921 at 6%; with 50% employer match about $162,921 at 4% or $108,614 at 6%; with 100% employer match about $122,191 at 4% or $81,460 at 6%. |
| Ambtra Inc 401(K) Plan | - | 4 | $704,292 | $39,101 | $9,775iApproximate average salary by contribution assumption: employee only about $244,381 at 4% or $162,921 at 6%; with 50% employer match about $162,921 at 4% or $108,614 at 6%; with 100% employer match about $122,191 at 4% or $81,460 at 6%. |
| 2021 | 1 | 4 | $707,502 | $47,030 | $11,758iApproximate average salary by contribution assumption: employee only about $293,938 at 4% or $195,958 at 6%; with 50% employer match about $195,958 at 4% or $130,639 at 6%; with 100% employer match about $146,969 at 4% or $97,979 at 6%. |
| Ambtra Inc 401(K) Plan | - | 4 | $707,502 | $47,030 | $11,758iApproximate average salary by contribution assumption: employee only about $293,938 at 4% or $195,958 at 6%; with 50% employer match about $195,958 at 4% or $130,639 at 6%; with 100% employer match about $146,969 at 4% or $97,979 at 6%. |
| 2020 | 1 | 6 | $1,839,771 | $42,170 | $7,028iApproximate average salary by contribution assumption: employee only about $175,708 at 4% or $117,139 at 6%; with 50% employer match about $117,139 at 4% or $78,093 at 6%; with 100% employer match about $87,854 at 4% or $58,569 at 6%. |
| Ambtra Inc 401(K) Plan | - | 6 | $1,839,771 | $42,170 | $7,028iApproximate average salary by contribution assumption: employee only about $175,708 at 4% or $117,139 at 6%; with 50% employer match about $117,139 at 4% or $78,093 at 6%; with 100% employer match about $87,854 at 4% or $58,569 at 6%. |
| 2019 | 1 | 6 | $1,756,292 | $47,003 | $7,834iApproximate average salary by contribution assumption: employee only about $195,846 at 4% or $130,564 at 6%; with 50% employer match about $130,564 at 4% or $87,043 at 6%; with 100% employer match about $97,923 at 4% or $65,282 at 6%. |
| Ambtra Inc 401(K) Plan | - | 6 | $1,756,292 | $47,003 | $7,834iApproximate average salary by contribution assumption: employee only about $195,846 at 4% or $130,564 at 6%; with 50% employer match about $130,564 at 4% or $87,043 at 6%; with 100% employer match about $97,923 at 4% or $65,282 at 6%. |
| 2018 | 1 | 6 | $1,307,474 | $46,246 | $7,708iApproximate average salary by contribution assumption: employee only about $192,692 at 4% or $128,461 at 6%; with 50% employer match about $128,461 at 4% or $85,641 at 6%; with 100% employer match about $96,346 at 4% or $64,231 at 6%. |
| Ambtra Inc 401(K) Plan | - | 6 | $1,307,474 | $46,246 | $7,708iApproximate average salary by contribution assumption: employee only about $192,692 at 4% or $128,461 at 6%; with 50% employer match about $128,461 at 4% or $85,641 at 6%; with 100% employer match about $96,346 at 4% or $64,231 at 6%. |
| 2017 | 1 | 7 | $1,410,185 | $47,033 | $6,719iApproximate average salary by contribution assumption: employee only about $167,975 at 4% or $111,983 at 6%; with 50% employer match about $111,983 at 4% or $74,656 at 6%; with 100% employer match about $83,988 at 4% or $55,992 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $1,410,185 | $47,033 | $6,719iApproximate average salary by contribution assumption: employee only about $167,975 at 4% or $111,983 at 6%; with 50% employer match about $111,983 at 4% or $74,656 at 6%; with 100% employer match about $83,988 at 4% or $55,992 at 6%. |
| 2016 | 1 | 7 | $1,117,250 | $46,464 | $6,638iApproximate average salary by contribution assumption: employee only about $165,943 at 4% or $110,629 at 6%; with 50% employer match about $110,629 at 4% or $73,752 at 6%; with 100% employer match about $82,971 at 4% or $55,314 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $1,117,250 | $46,464 | $6,638iApproximate average salary by contribution assumption: employee only about $165,943 at 4% or $110,629 at 6%; with 50% employer match about $110,629 at 4% or $73,752 at 6%; with 100% employer match about $82,971 at 4% or $55,314 at 6%. |
| 2015 | 1 | 4 | $993,480 | $33,956 | $8,489iApproximate average salary by contribution assumption: employee only about $212,225 at 4% or $141,483 at 6%; with 50% employer match about $141,483 at 4% or $94,322 at 6%; with 100% employer match about $106,113 at 4% or $70,742 at 6%. |
| Ambtra Inc 401(K) Plan | - | 4 | $993,480 | $33,956 | $8,489iApproximate average salary by contribution assumption: employee only about $212,225 at 4% or $141,483 at 6%; with 50% employer match about $141,483 at 4% or $94,322 at 6%; with 100% employer match about $106,113 at 4% or $70,742 at 6%. |
| 2014 | 1 | 4 | $944,261 | $26,696 | $6,674iApproximate average salary by contribution assumption: employee only about $166,850 at 4% or $111,233 at 6%; with 50% employer match about $111,233 at 4% or $74,156 at 6%; with 100% employer match about $83,425 at 4% or $55,617 at 6%. |
| Ambtra Inc 401(K) Plan | - | 4 | $944,261 | $26,696 | $6,674iApproximate average salary by contribution assumption: employee only about $166,850 at 4% or $111,233 at 6%; with 50% employer match about $111,233 at 4% or $74,156 at 6%; with 100% employer match about $83,425 at 4% or $55,617 at 6%. |
| 2013 | 1 | 5 | $944,941 | $21,663 | $4,333iApproximate average salary by contribution assumption: employee only about $108,315 at 4% or $72,210 at 6%; with 50% employer match about $72,210 at 4% or $48,140 at 6%; with 100% employer match about $54,158 at 4% or $36,105 at 6%. |
| Ambtra Inc 401(K) Plan | - | 5 | $944,941 | $21,663 | $4,333iApproximate average salary by contribution assumption: employee only about $108,315 at 4% or $72,210 at 6%; with 50% employer match about $72,210 at 4% or $48,140 at 6%; with 100% employer match about $54,158 at 4% or $36,105 at 6%. |
| 2012 | 1 | 6 | $846,468 | $22,787 | $3,798iApproximate average salary by contribution assumption: employee only about $94,946 at 4% or $63,297 at 6%; with 50% employer match about $63,297 at 4% or $42,198 at 6%; with 100% employer match about $47,473 at 4% or $31,649 at 6%. |
| Ambtra Inc 401(K) Plan | - | 6 | $846,468 | $22,787 | $3,798iApproximate average salary by contribution assumption: employee only about $94,946 at 4% or $63,297 at 6%; with 50% employer match about $63,297 at 4% or $42,198 at 6%; with 100% employer match about $47,473 at 4% or $31,649 at 6%. |
| 2011 | 1 | 7 | $764,571 | $22,572 | $3,225iApproximate average salary by contribution assumption: employee only about $80,614 at 4% or $53,743 at 6%; with 50% employer match about $53,743 at 4% or $35,829 at 6%; with 100% employer match about $40,307 at 4% or $26,871 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $764,571 | $22,572 | $3,225iApproximate average salary by contribution assumption: employee only about $80,614 at 4% or $53,743 at 6%; with 50% employer match about $53,743 at 4% or $35,829 at 6%; with 100% employer match about $40,307 at 4% or $26,871 at 6%. |
| 2010 | 1 | 7 | $785,849 | $22,450 | $3,207iApproximate average salary by contribution assumption: employee only about $80,179 at 4% or $53,452 at 6%; with 50% employer match about $53,452 at 4% or $35,635 at 6%; with 100% employer match about $40,089 at 4% or $26,726 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $785,849 | $22,450 | $3,207iApproximate average salary by contribution assumption: employee only about $80,179 at 4% or $53,452 at 6%; with 50% employer match about $53,452 at 4% or $35,635 at 6%; with 100% employer match about $40,089 at 4% or $26,726 at 6%. |
| 2009 | 1 | 7 | $648,875 | $34,271 | $4,896iApproximate average salary by contribution assumption: employee only about $122,396 at 4% or $81,598 at 6%; with 50% employer match about $81,598 at 4% or $54,398 at 6%; with 100% employer match about $61,198 at 4% or $40,799 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $648,875 | $34,271 | $4,896iApproximate average salary by contribution assumption: employee only about $122,396 at 4% or $81,598 at 6%; with 50% employer match about $81,598 at 4% or $54,398 at 6%; with 100% employer match about $61,198 at 4% or $40,799 at 6%. |
| 2008 | 1 | 7 | $495,828 | $73,393 | $10,485iApproximate average salary by contribution assumption: employee only about $262,118 at 4% or $174,745 at 6%; with 50% employer match about $174,745 at 4% or $116,497 at 6%; with 100% employer match about $131,059 at 4% or $87,373 at 6%. |
| Ambtra Inc 401(K) Plan | - | 7 | $495,828 | $73,393 | $10,485iApproximate average salary by contribution assumption: employee only about $262,118 at 4% or $174,745 at 6%; with 50% employer match about $174,745 at 4% or $116,497 at 6%; with 100% employer match about $131,059 at 4% or $87,373 at 6%. |
| 2007 | 1 | 8 | $0 | $0 | - |
| Ambtra Inc 401(K) Plan | - | 8 | - | - | - |
| 2006 | 1 | 9 | $0 | $0 | - |
| Ambtra Inc 401(K) Plan | - | 9 | - | - | - |
| 2005 | 1 | 9 | $552,558 | $59,069 | $6,563iApproximate average salary by contribution assumption: employee only about $164,081 at 4% or $109,387 at 6%; with 50% employer match about $109,387 at 4% or $72,925 at 6%; with 100% employer match about $82,040 at 4% or $54,694 at 6%. |
| Ambtra Inc 401(K) Plan | - | 9 | $552,558 | $59,069 | $6,563iApproximate average salary by contribution assumption: employee only about $164,081 at 4% or $109,387 at 6%; with 50% employer match about $109,387 at 4% or $72,925 at 6%; with 100% employer match about $82,040 at 4% or $54,694 at 6%. |
| 2004 | 1 | 8 | $449,759 | $68,775 | $8,597iApproximate average salary by contribution assumption: employee only about $214,922 at 4% or $143,281 at 6%; with 50% employer match about $143,281 at 4% or $95,521 at 6%; with 100% employer match about $107,461 at 4% or $71,641 at 6%. |
| Ambtra Inc 401(K) Plan | - | 8 | $449,759 | $68,775 | $8,597iApproximate average salary by contribution assumption: employee only about $214,922 at 4% or $143,281 at 6%; with 50% employer match about $143,281 at 4% or $95,521 at 6%; with 100% employer match about $107,461 at 4% or $71,641 at 6%. |
| 2003 | 1 | 8 | $373,400 | $66,112 | $8,264iApproximate average salary by contribution assumption: employee only about $206,600 at 4% or $137,733 at 6%; with 50% employer match about $137,733 at 4% or $91,822 at 6%; with 100% employer match about $103,300 at 4% or $68,867 at 6%. |
| Ambtra Inc 401(K) Plan | - | 8 | $373,400 | $66,112 | $8,264iApproximate average salary by contribution assumption: employee only about $206,600 at 4% or $137,733 at 6%; with 50% employer match about $137,733 at 4% or $91,822 at 6%; with 100% employer match about $103,300 at 4% or $68,867 at 6%. |
| 2002 | 1 | 10 | $0 | $60,327 | $6,033iApproximate average salary by contribution assumption: employee only about $150,818 at 4% or $100,545 at 6%; with 50% employer match about $100,545 at 4% or $67,030 at 6%; with 100% employer match about $75,409 at 4% or $50,273 at 6%. |
| Ambtra Inc 401(K) Plan | - | 10 | - | $60,327 | $6,033iApproximate average salary by contribution assumption: employee only about $150,818 at 4% or $100,545 at 6%; with 50% employer match about $100,545 at 4% or $67,030 at 6%; with 100% employer match about $75,409 at 4% or $50,273 at 6%. |
| 2001 | 1 | 10 | $222,966 | $55,557 | $5,556iApproximate average salary by contribution assumption: employee only about $138,893 at 4% or $92,595 at 6%; with 50% employer match about $92,595 at 4% or $61,730 at 6%; with 100% employer match about $69,446 at 4% or $46,298 at 6%. |
| Ambtra Inc 401(K) Plan | - | 10 | $222,966 | $55,557 | $5,556iApproximate average salary by contribution assumption: employee only about $138,893 at 4% or $92,595 at 6%; with 50% employer match about $92,595 at 4% or $61,730 at 6%; with 100% employer match about $69,446 at 4% or $46,298 at 6%. |
| 2000 | 1 | 8 | $203,470 | $48,889 | $6,111iApproximate average salary by contribution assumption: employee only about $152,778 at 4% or $101,852 at 6%; with 50% employer match about $101,852 at 4% or $67,901 at 6%; with 100% employer match about $76,389 at 4% or $50,926 at 6%. |
| Ambtra Inc 401(K) Plan | - | 8 | $203,470 | $48,889 | $6,111iApproximate average salary by contribution assumption: employee only about $152,778 at 4% or $101,852 at 6%; with 50% employer match about $101,852 at 4% or $67,901 at 6%; with 100% employer match about $76,389 at 4% or $50,926 at 6%. |