Civic Intelligence

Adtran Inc.

Plan context: Adtran Inc. 401(K) Retirement Plan

EIN 63-0918200 • Huntsville, AL • 62 filings • 10 plans

901 Explorer Blvd.Huntsville, AL 35806
Current Snapshot

Latest Year

2024

2024 Participants

877

2024 Assets

$391,459,259

2024 Contributions

$13,145,726

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$400,802,332$200,401,166$0200120132024YearValue
$391,459,259Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

4,2422,1210200020122024YearValue
877Latest year 2024

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 / FilingFilingsParticipantsAssetsContributionsContrib./Participant
20242877$391,459,259$13,145,726$14,989iApproximate average salary by contribution assumption: employee only about $374,736 at 4% or $249,824 at 6%; with 50% employer match about $249,824 at 4% or $166,549 at 6%; with 100% employer match about $187,368 at 4% or $124,912 at 6%.
Adtran Inc. 401(K) Retirement Plan-847$391,459,259$13,145,726$15,520iApproximate average salary by contribution assumption: employee only about $388,008 at 4% or $258,672 at 6%; with 50% employer match about $258,672 at 4% or $172,448 at 6%; with 100% employer match about $194,004 at 4% or $129,336 at 6%.
Adtran Inc. Welfare Benefit Plan-877---
20232951$368,591,913$15,680,963$16,489iApproximate average salary by contribution assumption: employee only about $412,223 at 4% or $274,815 at 6%; with 50% employer match about $274,815 at 4% or $183,210 at 6%; with 100% employer match about $206,112 at 4% or $137,408 at 6%.
Adtran Inc. 401(K) Retirement Plan-932$368,591,913$15,680,963$16,825iApproximate average salary by contribution assumption: employee only about $420,627 at 4% or $280,418 at 6%; with 50% employer match about $280,418 at 4% or $186,945 at 6%; with 100% employer match about $210,313 at 4% or $140,209 at 6%.
Adtran Inc. Welfare Benefit Plan-951---
202221,043$324,691,232$15,336,965$14,705iApproximate average salary by contribution assumption: employee only about $367,617 at 4% or $245,078 at 6%; with 50% employer match about $245,078 at 4% or $163,385 at 6%; with 100% employer match about $183,808 at 4% or $122,539 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,043$324,691,232$15,336,965$14,705iApproximate average salary by contribution assumption: employee only about $367,617 at 4% or $245,078 at 6%; with 50% employer match about $245,078 at 4% or $163,385 at 6%; with 100% employer match about $183,808 at 4% or $122,539 at 6%.
Adtran Inc. Welfare Benefit Plan-940---
202121,042$400,802,332$14,574,970$13,987iApproximate average salary by contribution assumption: employee only about $349,687 at 4% or $233,125 at 6%; with 50% employer match about $233,125 at 4% or $155,417 at 6%; with 100% employer match about $174,844 at 4% or $116,562 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,042$400,802,332$14,574,970$13,987iApproximate average salary by contribution assumption: employee only about $349,687 at 4% or $233,125 at 6%; with 50% employer match about $233,125 at 4% or $155,417 at 6%; with 100% employer match about $174,844 at 4% or $116,562 at 6%.
Adtran Inc. Welfare Benefit Plan-946---
202021,074$357,114,170$14,861,023$13,837iApproximate average salary by contribution assumption: employee only about $345,927 at 4% or $230,618 at 6%; with 50% employer match about $230,618 at 4% or $153,745 at 6%; with 100% employer match about $172,963 at 4% or $115,309 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,074$357,114,170$14,861,023$13,837iApproximate average salary by contribution assumption: employee only about $345,927 at 4% or $230,618 at 6%; with 50% employer match about $230,618 at 4% or $153,745 at 6%; with 100% employer match about $172,963 at 4% or $115,309 at 6%.
Adtran Inc. Welfare Benefit Plan-967---
201921,273$318,890,285$15,519,814$12,192iApproximate average salary by contribution assumption: employee only about $304,788 at 4% or $203,192 at 6%; with 50% employer match about $203,192 at 4% or $135,461 at 6%; with 100% employer match about $152,394 at 4% or $101,596 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,181$318,890,285$15,519,814$13,141iApproximate average salary by contribution assumption: employee only about $328,531 at 4% or $219,021 at 6%; with 50% employer match about $219,021 at 4% or $146,014 at 6%; with 100% employer match about $164,266 at 4% or $109,510 at 6%.
Adtran Inc. Welfare Benefit Plan-1,273---
201821,320$263,503,868$15,889,059$12,037iApproximate average salary by contribution assumption: employee only about $300,929 at 4% or $200,619 at 6%; with 50% employer match about $200,619 at 4% or $133,746 at 6%; with 100% employer match about $150,465 at 4% or $100,310 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,275$263,503,868$15,889,059$12,462iApproximate average salary by contribution assumption: employee only about $311,550 at 4% or $207,700 at 6%; with 50% employer match about $207,700 at 4% or $138,467 at 6%; with 100% employer match about $155,775 at 4% or $103,850 at 6%.
Adtran Inc. Welfare Benefit Plan-1,320---
201721,477$290,559,709$16,771,647$11,355iApproximate average salary by contribution assumption: employee only about $283,880 at 4% or $189,254 at 6%; with 50% employer match about $189,254 at 4% or $126,169 at 6%; with 100% employer match about $141,940 at 4% or $94,627 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,470$290,559,709$16,771,647$11,409iApproximate average salary by contribution assumption: employee only about $285,232 at 4% or $190,155 at 6%; with 50% employer match about $190,155 at 4% or $126,770 at 6%; with 100% employer match about $142,616 at 4% or $95,077 at 6%.
Adtran Inc. Welfare Benefit Plan-1,477---
201621,478$244,126,021$15,808,247$10,696iApproximate average salary by contribution assumption: employee only about $267,393 at 4% or $178,262 at 6%; with 50% employer match about $178,262 at 4% or $118,841 at 6%; with 100% employer match about $133,696 at 4% or $89,131 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,478$244,126,021$15,808,247$10,696iApproximate average salary by contribution assumption: employee only about $267,393 at 4% or $178,262 at 6%; with 50% employer match about $178,262 at 4% or $118,841 at 6%; with 100% employer match about $133,696 at 4% or $89,131 at 6%.
Adtran Inc. Welfare Benefit Plan-1,468---
201521,449$229,104,539$15,629,675$10,787iApproximate average salary by contribution assumption: employee only about $269,663 at 4% or $179,775 at 6%; with 50% employer match about $179,775 at 4% or $119,850 at 6%; with 100% employer match about $134,832 at 4% or $89,888 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,449$229,104,539$15,629,675$10,787iApproximate average salary by contribution assumption: employee only about $269,663 at 4% or $179,775 at 6%; with 50% employer match about $179,775 at 4% or $119,850 at 6%; with 100% employer match about $134,832 at 4% or $89,888 at 6%.
Adtran Inc. Welfare Benefit Plan-1,445---
201421,585$232,398,637$15,533,910$9,801iApproximate average salary by contribution assumption: employee only about $245,014 at 4% or $163,343 at 6%; with 50% employer match about $163,343 at 4% or $108,895 at 6%; with 100% employer match about $122,507 at 4% or $81,671 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,585$232,398,637$15,533,910$9,801iApproximate average salary by contribution assumption: employee only about $245,014 at 4% or $163,343 at 6%; with 50% employer match about $163,343 at 4% or $108,895 at 6%; with 100% employer match about $122,507 at 4% or $81,671 at 6%.
Adtran Inc. Welfare Benefit Plan-1,579---
201321,577$213,647,991$15,032,126$9,532iApproximate average salary by contribution assumption: employee only about $238,303 at 4% or $158,868 at 6%; with 50% employer match about $158,868 at 4% or $105,912 at 6%; with 100% employer match about $119,151 at 4% or $79,434 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,577$213,647,991$15,032,126$9,532iApproximate average salary by contribution assumption: employee only about $238,303 at 4% or $158,868 at 6%; with 50% employer match about $158,868 at 4% or $105,912 at 6%; with 100% employer match about $119,151 at 4% or $79,434 at 6%.
Adtran Inc. Welfare Benefit Plan-1,566---
201221,647$168,863,123$15,904,831$9,657iApproximate average salary by contribution assumption: employee only about $241,421 at 4% or $160,947 at 6%; with 50% employer match about $160,947 at 4% or $107,298 at 6%; with 100% employer match about $120,711 at 4% or $80,474 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,647$168,863,123$15,904,831$9,657iApproximate average salary by contribution assumption: employee only about $241,421 at 4% or $160,947 at 6%; with 50% employer match about $160,947 at 4% or $107,298 at 6%; with 100% employer match about $120,711 at 4% or $80,474 at 6%.
Adtran Inc. Welfare Benefit Plan-1,530---
201121,624$143,355,909$14,896,164$9,173iApproximate average salary by contribution assumption: employee only about $229,313 at 4% or $152,875 at 6%; with 50% employer match about $152,875 at 4% or $101,917 at 6%; with 100% employer match about $114,656 at 4% or $76,438 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,624$143,355,909$14,896,164$9,173iApproximate average salary by contribution assumption: employee only about $229,313 at 4% or $152,875 at 6%; with 50% employer match about $152,875 at 4% or $101,917 at 6%; with 100% employer match about $114,656 at 4% or $76,438 at 6%.
Adtran Inc. Welfare Benefit Plan-1,515---
201021,690$135,558,363$13,977,432$8,271iApproximate average salary by contribution assumption: employee only about $206,767 at 4% or $137,844 at 6%; with 50% employer match about $137,844 at 4% or $91,896 at 6%; with 100% employer match about $103,383 at 4% or $68,922 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,690$135,558,363$13,977,432$8,271iApproximate average salary by contribution assumption: employee only about $206,767 at 4% or $137,844 at 6%; with 50% employer match about $137,844 at 4% or $91,896 at 6%; with 100% employer match about $103,383 at 4% or $68,922 at 6%.
Adtran Inc. Welfare Benefit Plan-1,466---
200921,595$107,304,194$12,960,626$8,126iApproximate average salary by contribution assumption: employee only about $203,145 at 4% or $135,430 at 6%; with 50% employer match about $135,430 at 4% or $90,286 at 6%; with 100% employer match about $101,572 at 4% or $67,715 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,595$107,304,194$12,960,626$8,126iApproximate average salary by contribution assumption: employee only about $203,145 at 4% or $135,430 at 6%; with 50% employer match about $135,430 at 4% or $90,286 at 6%; with 100% employer match about $101,572 at 4% or $67,715 at 6%.
Adtran Inc. Welfare Benefit Plan-1,439---
200831,634$76,388,163$13,214,358$8,087iApproximate average salary by contribution assumption: employee only about $202,178 at 4% or $134,785 at 6%; with 50% employer match about $134,785 at 4% or $89,857 at 6%; with 100% employer match about $101,089 at 4% or $67,393 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,634$76,388,163$13,214,358$8,087iApproximate average salary by contribution assumption: employee only about $202,178 at 4% or $134,785 at 6%; with 50% employer match about $134,785 at 4% or $89,857 at 6%; with 100% employer match about $101,089 at 4% or $67,393 at 6%.
Adtran Inc. Employee Welfare Benefit Plan-0---
Adtran Inc. Welfare Benefit Plan-1,485---
200742,891$101,494,484$12,631,815$4,369iApproximate average salary by contribution assumption: employee only about $109,234 at 4% or $72,823 at 6%; with 50% employer match about $72,823 at 4% or $48,548 at 6%; with 100% employer match about $54,617 at 4% or $36,411 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,590$101,494,484$12,631,815$7,945iApproximate average salary by contribution assumption: employee only about $198,613 at 4% or $132,409 at 6%; with 50% employer match about $132,409 at 4% or $88,273 at 6%; with 100% employer match about $99,307 at 4% or $66,204 at 6%.
ADTRAN INC. SINGLE EMPLOYER PLAN-0---
Adtran Inc. Employee Welfare Benefit Plan-2,891---
Adtran Inc. Welfare Benefit Plan-452---
200643,714$89,695,776$11,324,669$3,049iApproximate average salary by contribution assumption: employee only about $76,230 at 4% or $50,820 at 6%; with 50% employer match about $50,820 at 4% or $33,880 at 6%; with 100% employer match about $38,115 at 4% or $25,410 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,599$89,695,776$11,324,669$7,082iApproximate average salary by contribution assumption: employee only about $177,059 at 4% or $118,039 at 6%; with 50% employer match about $118,039 at 4% or $78,693 at 6%; with 100% employer match about $88,529 at 4% or $59,020 at 6%.
Adtran Inc. Employee Welfare Benefit Plan-2,902---
ADTRAN INC. SINGLE EMPLOYER PLAN-3,714---
Adtran Inc. Welfare Benefit Plan-262---
200544,242$76,035,012$10,016,095$2,361iApproximate average salary by contribution assumption: employee only about $59,029 at 4% or $39,353 at 6%; with 50% employer match about $39,353 at 4% or $26,235 at 6%; with 100% employer match about $29,515 at 4% or $19,676 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,615$76,035,012$10,016,095$6,202iApproximate average salary by contribution assumption: employee only about $155,048 at 4% or $103,365 at 6%; with 50% employer match about $103,365 at 4% or $68,910 at 6%; with 100% employer match about $77,524 at 4% or $51,683 at 6%.
Adtran Inc. Welfare Benefit Plan-242---
Adtran Inc. Employee Welfare Benefit Plan-3,860---
ADTRAN INC. SINGLE EMPLOYER PLAN-4,242---
200443,905$62,161,046$9,160,351$2,346iApproximate average salary by contribution assumption: employee only about $58,645 at 4% or $39,097 at 6%; with 50% employer match about $39,097 at 4% or $26,064 at 6%; with 100% employer match about $29,323 at 4% or $19,548 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,621$62,161,046$9,160,351$5,651iApproximate average salary by contribution assumption: employee only about $141,276 at 4% or $94,184 at 6%; with 50% employer match about $94,184 at 4% or $62,789 at 6%; with 100% employer match about $70,638 at 4% or $47,092 at 6%.
SINGLE EMPLOYER PLAN-1,460---
Adtran Inc. Welfare Benefit Plan-248---
Adtran Inc. Employee Welfare Benefit Plan-3,905---
200344,139$51,148,065$8,724,013$2,108iApproximate average salary by contribution assumption: employee only about $52,694 at 4% or $35,129 at 6%; with 50% employer match about $35,129 at 4% or $23,420 at 6%; with 100% employer match about $26,347 at 4% or $17,565 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,609$51,148,065$8,724,013$5,422iApproximate average salary by contribution assumption: employee only about $135,550 at 4% or $90,367 at 6%; with 50% employer match about $90,367 at 4% or $60,245 at 6%; with 100% employer match about $67,775 at 4% or $45,183 at 6%.
SINGLE EMPLOYER PLAN-4,139---
Adtran Inc. Welfare Benefit Plan-240---
Adtran Inc. Welfare Benefit Plan-3,724---
200233,544$0$0-
Adtran Inc. Welfare Benefit Plan-3,544---
SINGLE EMPLOYER PLAN-1,410---
Adtran Inc. 401(K) Retirement Plan-1,569---
200133,877$33,912,360$8,458,633$2,182iApproximate average salary by contribution assumption: employee only about $54,544 at 4% or $36,362 at 6%; with 50% employer match about $36,362 at 4% or $24,242 at 6%; with 100% employer match about $27,272 at 4% or $18,181 at 6%.
Adtran Inc. 401(K) Retirement Plan-1,916$33,912,360$8,458,633$4,415iApproximate average salary by contribution assumption: employee only about $110,368 at 4% or $73,579 at 6%; with 50% employer match about $73,579 at 4% or $49,053 at 6%; with 100% employer match about $55,184 at 4% or $36,789 at 6%.
Adtran Inc. Welfare Benefit Plan-3,877---
SINGLE EMPLOYER PLAN-1,428---
200011,301$0$0-
Adtran Inc. 401(K) Retirement Plan-1,301---