401(k) · DOL Form 5500 · 2024

Pulmatrix, Inc. 401(k) Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
22
Participants Small participant base
38th
Percentile by assets National rank
$180,087
Avg per participant Above avg balance/head
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Official DOL plan name: Pulmatrix, Inc. 401(k) Retirement Plan · Sponsored by Pulmatrix, Inc. · Massachusetts · Professional & Technical Services

$4M in assets, 22 participants

Pulmatrix, Inc.'s Pulmatrix, Inc. 401(k) Retirement Plan reported $4M in total assets and 22 participants in its 2024 DOL Form 5500 filing, ranking in the 38th 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.

  • #7,082 in Professional & Technical Services (20,173 peers)

Pulmatrix, Inc. multi-year trail

Pulmatrix, Inc.'s plans moved +24.2% in assets from 2022 to 2024; this filing shows Pulmatrix, Inc. 401(k) Retirement Plan at $4M / 22 participants.

#7,082
in Professional & Technical Services (20,173 peers)
-2.2%
assets change YoY

The plan reported a net loss of $87K for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Pulmatrix, Inc. 401(k) Retirement Plan's mid-pack asset rank among Professional & Technical Services and all filers

Pulmatrix, Inc. 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$3,961,913 38th percentile higher than 38% of 123,620 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 2024

Pulmatrix, Inc. 401(k) Retirement Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Pulmatrix, Inc. 401(k) Retirement Plan is a small filing (22 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Pulmatrix, Inc. 401(k) Retirement Plan reported net income fell from $859K in the plan year 2023 filing to -$87K in the plan year 2024 filing.
  • Pulmatrix, Inc. 401(k) Retirement Plan reported participants fell from 28 in the plan year 2023 filing to 22 in the plan year 2024 filing.
  • Pulmatrix, Inc. 401(k) Retirement Plan end-of-year assets fell from $4M in the plan year 2023 filing to $4M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 352203161 · Pulmatrix, Inc. PY 2024 · 401(k)

Pulmatrix, Inc. 401(k) Retirement Plan · $4M · 22 · 38th

  • PCT $4M
  • PCT 22
  • PCT 38th
  • PCT 401(k)
  • PCT near Goodr 401(k) Plan
  • PCT ind #7082

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 →

Pulmatrix, Inc. 401(k) Retirement Plan in the asset neighbourhood

Pulmatrix, Inc. 401(k) Retirement PlanPulmatrix, Inc. 401(k) Retir…$4MGoodr 401(k) Plan$4MR.I.T.a. Corporation 401(k) PlanR.I.T.a. Corporation 401(k) …$4MHeritage Bank of St. Tammany 401(k) PlanHeritage Bank of St. Tammany…$4MPhoenix Wire Cloth, Inc. Non-Union Profit Sharing 401(k) PlanPhoenix Wire Cloth, Inc. Non…$4M
End-of-year total assets ($M) among Pulmatrix, Inc. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Pulmatrix, Inc. multi-year asset trail

Sponsor-wide plan assets over time

All Pulmatrix, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$4M 24.17512775870256% vs 2022
2024 filing year
$3M$3.5M$4M$4.5M 202220232024 $3.19M $3.96M ▲ +24.1%
Year Plans Participants Total Assets
2022 1 24 $3M
2023 1 28 $4M
2024 1 22 $4M

Pulmatrix, Inc. filing trail (2024)

Total Assets (Beginning of Year)$4M
Net Assets (End of Year)$4M
Net Income-$87K
Employer EIN352203161
Plan Effective Date2009-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Pulmatrix, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Pulmatrix, Inc. 401(k) Retirement Plan, Total assets ($B): 0.003961913 · Participants: 22Pulmatrix, Inc. 401(k) Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Pulmatrix, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Pulmatrix, Inc. 401(k) Retirement Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Goodr 401(k) Plan in CA ($4M); by covered participants it is Reed & Witting Company Profit Sharing Plan in PA (22 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (22 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Pulmatrix, Inc. 401(k) Retirement Plan assets move in 2024? ▼
Pulmatrix, Inc. 401(k) Retirement Plan edged down modestly - down 2.2% during 2024, from $4M to $4M. Reported net income was -$87K.
How have Pulmatrix, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Pulmatrix, Inc.'s sponsor-wide assets grew 24.2%, from $3M to $4M.
Which 401(k) plans are similar in size to Pulmatrix, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Goodr 401(k) Plan in CA ($4M, 138 participants).
Which 401(k) plans cover a similar participant headcount to Pulmatrix, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Reed & Witting Company Profit Sharing Plan in PA (22 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 352203161.

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.