401(k) · DOL Form 5500 · 2022

C4 Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$14M
Total assets Small plan by assets
121
Participants Small participant base
71st
Percentile by assets National rank
$114,720
Avg per participant Below avg balance/head
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Official DOL plan name: C4 Therapeutics, Inc. 401(k) Plan · Sponsored by C4 Therapeutics, Inc. · Massachusetts · Professional & Technical Services

$14M in assets, 121 participants

C4 Therapeutics, Inc.'s C4 Therapeutics, Inc. 401(k) Plan reported $14M in total assets and 121 participants in its 2022 DOL Form 5500 filing, ranking in the 71st percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #15,220 in Professional & Technical Services (21,562 peers)

Coverage in Massachusetts

C4 Therapeutics, Inc. 401(k) Plan covers 121 participants in Massachusetts, about 18% of the average Massachusetts filer (state average ~659 per filing). Assets: $14M.

#15,220
in Professional & Technical Services (21,562 peers)
+6.4%
assets growth YoY

C4 Therapeutics, Inc. 401(k) Plan's outsized position by total assets

C4 Therapeutics, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$13,881,069 Top 29% higher than 71% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

C4 Therapeutics, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. C4 Therapeutics, Inc. 401(k) Plan sits mid-pack in the medium band (121 participants).

Published 5500 schedule card

Filing strip 475617627 · C4 Therapeutics, Inc. PY 2022 · 401(k)

C4 Therapeutics, Inc. 401(k) Plan · $14M · 121 · 71st

  • 5500 $14M
  • ASSETS 121
  • PCT 71st
  • EIN 401(k)
  • RANK near Rare, Inc. 401(k) Plan
  • PHOTO ind #15220

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Massachusetts →

C4 Therapeutics, Inc. 401(k) Plan in the asset neighbourhood

C4 Therapeutics, Inc. 401(k) PlanC4 Therapeutics, Inc. 401(k)…$14MRare, Inc. 401(k) Plan$14MGraham Tire Company 401(k) Profit Sharing PlanGraham Tire Company 401(k) P…$14MCarnahan Evans Cantwell & Brown PC Profit Sharing PlanCarnahan Evans Cantwell & Br…$14MMain Street Renewal, LLC 401(k) PlanMain Street Renewal, LLC 401…$14M
End-of-year total assets ($M) among C4 Therapeutics, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$13M
Net Assets (End of Year)$14M
Net Income$841K
Employer EIN475617627
Plan Effective Date2016-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (C4 Therapeutics, Inc.)

Sponsor-wide plan assets over time

All C4 Therapeutics, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$26M 87.11792297841038% vs 2022
2024 filing year
$10M$15M$20M$25M$30M 202220232024 $13.9M $26M ▲ +87.1%
Year Plans Participants Total Assets
2022 1 121 $14M
2023 1 147 $22M
2024 1 149 $26M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

C4 Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -100102030 Total assets ($B) Participants C4 Therapeutics, Inc. 401(k) Plan, Total assets ($B): 0.013881069 · Participants: 121C4 Therapeutics, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
C4 Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare C4 Therapeutics, Inc. 401(k) Plan side-by-side with 3 peers →

C4 Therapeutics, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Rare, Inc. 401(k) Plan in VA ($14M); by covered participants it is Associates in Pediatric Therapy LLC 401(k) Plan in KY (121 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($14M here).

Similar participant headcount

Nearest other-state filings by covered participants (121 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did C4 Therapeutics, Inc. 401(k) Plan assets move in 2022? ▼
C4 Therapeutics, Inc. 401(k) Plan grew at a solid clip - up 6.4% during 2022, from $13M to $14M. Reported net income was $841K.
How have C4 Therapeutics, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), C4 Therapeutics, Inc.'s sponsor-wide assets grew 87.1%, from $14M to $26M.
Which 401(k) plans are similar in size to C4 Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Rare, Inc. 401(k) Plan in VA ($14M, 86 participants).
Which 401(k) plans cover a similar participant headcount to C4 Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Associates in Pediatric Therapy LLC 401(k) Plan in KY (121 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 475617627.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.