Halda Therapeutics Opco Inc.
Plan context: Halda Therapeutics 401(K) Plan
EIN 83-2503694 • New Haven, CT • 7 filings • 1 plans
Current Snapshot
Latest Year
2025
2025 Participants
46
2025 Assets
$4,482,782
2025 Contributions
$1,148,516
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 | 46 | $4,482,782 | $1,148,516 | $24,968iApproximate average salary by contribution assumption: employee only about $624,193 at 4% or $416,129 at 6%; with 50% employer match about $416,129 at 4% or $277,419 at 6%; with 100% employer match about $312,097 at 4% or $208,064 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 46 | $4,482,782 | $1,148,516 | $24,968iApproximate average salary by contribution assumption: employee only about $624,193 at 4% or $416,129 at 6%; with 50% employer match about $416,129 at 4% or $277,419 at 6%; with 100% employer match about $312,097 at 4% or $208,064 at 6%. |
| 2024 | 1 | 38 | $2,899,580 | $754,892 | $19,866iApproximate average salary by contribution assumption: employee only about $496,639 at 4% or $331,093 at 6%; with 50% employer match about $331,093 at 4% or $220,729 at 6%; with 100% employer match about $248,320 at 4% or $165,546 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 38 | $2,899,580 | $754,892 | $19,866iApproximate average salary by contribution assumption: employee only about $496,639 at 4% or $331,093 at 6%; with 50% employer match about $331,093 at 4% or $220,729 at 6%; with 100% employer match about $248,320 at 4% or $165,546 at 6%. |
| 2023 | 1 | 41 | $2,105,987 | $490,748 | $11,969iApproximate average salary by contribution assumption: employee only about $299,237 at 4% or $199,491 at 6%; with 50% employer match about $199,491 at 4% or $132,994 at 6%; with 100% employer match about $149,618 at 4% or $99,746 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 41 | $2,105,987 | $490,748 | $11,969iApproximate average salary by contribution assumption: employee only about $299,237 at 4% or $199,491 at 6%; with 50% employer match about $199,491 at 4% or $132,994 at 6%; with 100% employer match about $149,618 at 4% or $99,746 at 6%. |
| 2022 | 1 | 35 | $1,527,233 | $496,492 | $14,185iApproximate average salary by contribution assumption: employee only about $354,637 at 4% or $236,425 at 6%; with 50% employer match about $236,425 at 4% or $157,617 at 6%; with 100% employer match about $177,319 at 4% or $118,212 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 35 | $1,527,233 | $496,492 | $14,185iApproximate average salary by contribution assumption: employee only about $354,637 at 4% or $236,425 at 6%; with 50% employer match about $236,425 at 4% or $157,617 at 6%; with 100% employer match about $177,319 at 4% or $118,212 at 6%. |
| 2021 | 1 | 30 | $1,363,523 | $283,893 | $9,463iApproximate average salary by contribution assumption: employee only about $236,578 at 4% or $157,718 at 6%; with 50% employer match about $157,718 at 4% or $105,146 at 6%; with 100% employer match about $118,289 at 4% or $78,859 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 30 | $1,363,523 | $283,893 | $9,463iApproximate average salary by contribution assumption: employee only about $236,578 at 4% or $157,718 at 6%; with 50% employer match about $157,718 at 4% or $105,146 at 6%; with 100% employer match about $118,289 at 4% or $78,859 at 6%. |
| 2020 | 1 | 19 | $930,856 | $732,899 | $38,574iApproximate average salary by contribution assumption: employee only about $964,341 at 4% or $642,894 at 6%; with 50% employer match about $642,894 at 4% or $428,596 at 6%; with 100% employer match about $482,170 at 4% or $321,447 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 19 | $930,856 | $732,899 | $38,574iApproximate average salary by contribution assumption: employee only about $964,341 at 4% or $642,894 at 6%; with 50% employer match about $642,894 at 4% or $428,596 at 6%; with 100% employer match about $482,170 at 4% or $321,447 at 6%. |
| 2019 | 1 | 15 | $133,948 | $126,937 | $8,462iApproximate average salary by contribution assumption: employee only about $211,562 at 4% or $141,041 at 6%; with 50% employer match about $141,041 at 4% or $94,027 at 6%; with 100% employer match about $105,781 at 4% or $70,521 at 6%. |
| Halda Therapeutics 401(K) Plan | - | 15 | $133,948 | $126,937 | $8,462iApproximate average salary by contribution assumption: employee only about $211,562 at 4% or $141,041 at 6%; with 50% employer match about $141,041 at 4% or $94,027 at 6%; with 100% employer match about $105,781 at 4% or $70,521 at 6%. |