Civic Intelligence

Aptimmune Biologics Inc.

Plan context: Aptimmune Biologics 401(K) Plan

EIN 27-2467088 • St. Louis, MO • 9 filings • 1 plans

1234 Hanley Industrial CourtSt. Louis, MO 63144
Current Snapshot

Latest Year

2025

2025 Participants

5

2025 Assets

$320,902

2025 Contributions

$47,328

Historical Graphs

Total Assets Over Time

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

$657,953$328,977$0201720212025YearValue
$320,902Latest year 2025

Participants Over Time

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

1160201720212025YearValue
5Latest year 2025

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
202515$320,902$47,328$9,466iApproximate average salary by contribution assumption: employee only about $236,640 at 4% or $157,760 at 6%; with 50% employer match about $157,760 at 4% or $105,173 at 6%; with 100% employer match about $118,320 at 4% or $78,880 at 6%.
Aptimmune Biologics 401(K) Plan-5$320,902$47,328$9,466iApproximate average salary by contribution assumption: employee only about $236,640 at 4% or $157,760 at 6%; with 50% employer match about $157,760 at 4% or $105,173 at 6%; with 100% employer match about $118,320 at 4% or $78,880 at 6%.
202414$229,622$87,918$21,980iApproximate average salary by contribution assumption: employee only about $549,488 at 4% or $366,325 at 6%; with 50% employer match about $366,325 at 4% or $244,217 at 6%; with 100% employer match about $274,744 at 4% or $183,163 at 6%.
Aptimmune Biologics 401(K) Plan-4$229,622$87,918$21,980iApproximate average salary by contribution assumption: employee only about $549,488 at 4% or $366,325 at 6%; with 50% employer match about $366,325 at 4% or $244,217 at 6%; with 100% employer match about $274,744 at 4% or $183,163 at 6%.
202315$657,953$78,494$15,699iApproximate average salary by contribution assumption: employee only about $392,470 at 4% or $261,647 at 6%; with 50% employer match about $261,647 at 4% or $174,431 at 6%; with 100% employer match about $196,235 at 4% or $130,823 at 6%.
Aptimmune Biologics 401(K) Plan-5$657,953$78,494$15,699iApproximate average salary by contribution assumption: employee only about $392,470 at 4% or $261,647 at 6%; with 50% employer match about $261,647 at 4% or $174,431 at 6%; with 100% employer match about $196,235 at 4% or $130,823 at 6%.
202216$490,431$89,112$14,852iApproximate average salary by contribution assumption: employee only about $371,300 at 4% or $247,533 at 6%; with 50% employer match about $247,533 at 4% or $165,022 at 6%; with 100% employer match about $185,650 at 4% or $123,767 at 6%.
Aptimmune Biologics 401(K) Plan-6$490,431$89,112$14,852iApproximate average salary by contribution assumption: employee only about $371,300 at 4% or $247,533 at 6%; with 50% employer match about $247,533 at 4% or $165,022 at 6%; with 100% employer match about $185,650 at 4% or $123,767 at 6%.
202116$489,254$95,414$15,902iApproximate average salary by contribution assumption: employee only about $397,558 at 4% or $265,039 at 6%; with 50% employer match about $265,039 at 4% or $176,693 at 6%; with 100% employer match about $198,779 at 4% or $132,519 at 6%.
Aptimmune Biologics 401(K) Plan-6$489,254$95,414$15,902iApproximate average salary by contribution assumption: employee only about $397,558 at 4% or $265,039 at 6%; with 50% employer match about $265,039 at 4% or $176,693 at 6%; with 100% employer match about $198,779 at 4% or $132,519 at 6%.
202018$416,581$95,174$11,897iApproximate average salary by contribution assumption: employee only about $297,419 at 4% or $198,279 at 6%; with 50% employer match about $198,279 at 4% or $132,186 at 6%; with 100% employer match about $148,709 at 4% or $99,140 at 6%.
Aptimmune Biologics 401(K) Plan-8$416,581$95,174$11,897iApproximate average salary by contribution assumption: employee only about $297,419 at 4% or $198,279 at 6%; with 50% employer match about $198,279 at 4% or $132,186 at 6%; with 100% employer match about $148,709 at 4% or $99,140 at 6%.
2019110$321,185$103,809$10,381iApproximate average salary by contribution assumption: employee only about $259,523 at 4% or $173,015 at 6%; with 50% employer match about $173,015 at 4% or $115,343 at 6%; with 100% employer match about $129,761 at 4% or $86,508 at 6%.
Aptimmune Biologics 401(K) Plan-10$321,185$103,809$10,381iApproximate average salary by contribution assumption: employee only about $259,523 at 4% or $173,015 at 6%; with 50% employer match about $173,015 at 4% or $115,343 at 6%; with 100% employer match about $129,761 at 4% or $86,508 at 6%.
2018111$226,820$175,682$15,971iApproximate average salary by contribution assumption: employee only about $399,277 at 4% or $266,185 at 6%; with 50% employer match about $266,185 at 4% or $177,457 at 6%; with 100% employer match about $199,639 at 4% or $133,092 at 6%.
Aptimmune Biologics 401(K) Plan-11$226,820$175,682$15,971iApproximate average salary by contribution assumption: employee only about $399,277 at 4% or $266,185 at 6%; with 50% employer match about $266,185 at 4% or $177,457 at 6%; with 100% employer match about $199,639 at 4% or $133,092 at 6%.
2017110$91,042$85,706$8,571iApproximate average salary by contribution assumption: employee only about $214,265 at 4% or $142,843 at 6%; with 50% employer match about $142,843 at 4% or $95,229 at 6%; with 100% employer match about $107,133 at 4% or $71,422 at 6%.
Aptimmune Biologics 401(K) Plan-10$91,042$85,706$8,571iApproximate average salary by contribution assumption: employee only about $214,265 at 4% or $142,843 at 6%; with 50% employer match about $142,843 at 4% or $95,229 at 6%; with 100% employer match about $107,133 at 4% or $71,422 at 6%.