401(k) · DOL Form 5500 · 2023

Mack Trucks, Inc. 401(k) Plan

Data updated 2026-08-25

$188M
Total assets Near avg plan size
3,761
Participants Above avg headcount
94th
Percentile by assets National rank
$49,942
Avg per participant Low balance/head
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Official DOL plan name: Mack UAW 401(k) Plan · Sponsored by Mack Trucks, Inc. · North Carolina · Manufacturing

$188M in assets, 3,761 participants

Mack Trucks, Inc.'s Mack UAW 401(k) Plan reported $188M in total assets and 3,761 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.

  • #17,124 in Manufacturing (18,722 peers)

Coverage in North Carolina

Mack UAW 401(k) Plan covers 3,761 participants in North Carolina, 4.6x the typical North Carolina plan (state average ~819 per filing). Assets: $188M.

#17,124
in Manufacturing (18,722 peers)
+21.5%
assets growth YoY
1.9×
vs typical plan assets (national mean)

Mack UAW 401(k) Plan's outsized position by total assets

Mack UAW 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$187,832,976 Top 6% higher than 94% of 127,068 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 2023

Mack UAW 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mack UAW 401(k) Plan lands in the large band (3,761 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mack UAW 401(k) Plan reported net income rose from -$20M in the plan year 2022 filing to $34M in the plan year 2023 filing.
  • Mack UAW 401(k) Plan reported participants rose from 2,816 in the plan year 2022 filing to 3,761 in the plan year 2023 filing.
  • Mack UAW 401(k) Plan end-of-year assets rose from $155M in the plan year 2022 filing to $188M in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 221582040 · Mack Trucks, Inc. PY 2023 · 401(k)

Mack UAW 401(k) Plan · $188M · 3,761 · 94th

  • PART $188M
  • PART 3,761
  • PART 94th
  • PART 401(k)
  • PART near James G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) Plan
  • PART ind #17124

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 Manufacturing retirement plans → · Plans in North Carolina →

Mack UAW 401(k) Plan in the asset neighbourhood

Western Oilfields Supply Company 401(k)/Profit Sharing PlanWestern Oilfields Supply Com…$188MMack UAW 401(k) Plan$188MJames G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) PlanJames G. Davis Construction …$188MIndivior Inc. Profit Sharing and 401(k) PlanIndivior Inc. Profit Sharing…$188MRingcentral Inc.$188M
End-of-year total assets ($M) among Mack UAW 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

North Carolina filing particulars

Total Assets (Beginning of Year)$155M
Net Assets (End of Year)$188M
Net Income$34M
Employer EIN221582040
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mack Trucks, Inc.)

Sponsor-wide plan assets over time

All Mack Trucks, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$630M 38.490373188940644% vs 2022
2024 filing year
$0.4B$0.6B$0.8B$1B$1.2B 202220232024 $1.02B $0.63B ▼ -38.2%
Year Plans Participants Total Assets
2022 2 3,996 $1.0B
2023 2 4,884 $1.1B
2024 2 4,977 $630M

Nearby 401(k) Plans in North Carolina

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

Mack UAW 401(k) Plan vs. nearby 401(k) plans in North Carolina, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000 -200204060 Total assets ($B) Participants Mack UAW 401(k) Plan, Total assets ($B): 0.187832976 · Participants: 3761Mack UAW 401(k) PlanThe Bank of America 401(k) Plan, Total assets ($B): 54.848846192 · Participants: 173899The Bank of America 401(k) PlanHoneywell 401(k) Plan, Total assets ($B): 15.388124058 · Participants: 40004Honeywell 401(k) PlanDuke Energy Retirement Savings Plan, Total assets ($B): 10.354065 · Participants: 28121Duke Energy Retirement Savings PlanTruist Financial Corporation 401(k) Savings Plan, Total assets ($B): 10.120701726 · Participants: 55480Truist Financial Corporation 401(k) Savings PlanNucor Corporation Profit Sharing and Retirement Savings Plan, Total assets ($B): 8.510660989 · Participants: 24174Nucor Corporation Profit Sharing and Retirement Savings Plan
Mack UAW 401(k) Plan vs. nearby 401(k) plans in North Carolina, assets vs. participants
Compare Mack UAW 401(k) Plan side-by-side with 3 peers →

Mack UAW 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside North Carolina, the nearest 401(k) by assets is James G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) Plan in MD ($188M); by covered participants it is Open Text, Inc. 401(k) Plan in CA (3,761 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,761 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Mack UAW 401(k) Plan assets move in 2023? ▼
Mack UAW 401(k) Plan grew sharply - up 21.5% during 2023, from $155M to $188M. Reported net income was $34M.
How have Mack Trucks, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mack Trucks, Inc.'s sponsor-wide assets declined 38.5%, from $1.0B to $630M.
Where does Mack UAW 401(k) Plan rank by assets among Form 5500 filers? ▼
Mack UAW 401(k) Plan ranks in the 94th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Mack UAW 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is James G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) Plan in MD ($188M, 420 participants).
Which 401(k) plans cover a similar participant headcount to Mack UAW 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Open Text, Inc. 401(k) Plan in CA (3,761 participants, $980M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 221582040.

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.