Plan Ledger DOL Form 5500 · updated monthly

Rapid Micro Biosystems, Inc.401(k)

RAPID MICRO BIOSYSTEMS, INC. 401(K) PLAN · LOWELL, MA · plan year 2024

Reported admin expense ratio · 2024
0.03%

Peer grade: A · admin costs + employer contributions vs same-size plans · how grading works

Rapid Micro Biosystems, Inc. reported $4,364 in plan administrative expenses for 2024: 0.03% of average plan assets, lower than ~75% of peers. Employer contributions averaged $6,801 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 2 years on file its reported administrative ratio fell from 0.05% to 0.03%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other professional & technical services employers. By assets it is among the smaller plans on file in Massachusetts (1,374th of 2,726), and the 5,796th of 11,654 in professional & technical services. In 2024, employees put in $2.18 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$18,618,626
Participants with balances270
Active participants137
Employer contributions$931,778
Employee contributions$2,034,638
Employer contribution per active participant$6,801
Average account balance$68,958
Benefits paid to participants$3,106,661
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$18.6M · 270 accts · $932K emplr
2023$16.0M · 241 accts · $879K emplr
2022$11.6M · 215 accts · $829K emplr
Administrative expenses, itemized · 2024
Investment management$5,477
Total administrative$4,364
The Rapid Micro Biosystems, Inc. 401(k) match · 2024
Employer contribution per active participant$6,801
Median for plans this size$2,416
2024$6,801 per active participant
2023$5,527 per active participant
2022$5,600 per active participant

Rapid Micro Biosystems, Inc.'s 2024 employer contribution ran above the $2,416 median for plans its size, placing it in the top quarter of its peers. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20242
STRATEGIC ADVISORS, INC. · Investment advisory (plan)$5,477
FIDELITY INVESTMENTS INSTITUTIONAL · Loan processingindirect comp

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history3
2024$4,364 · 0.03%
2023$10,608 · 0.08%
2022$4,933 · 0.05%
Same employer
Similar plansProfessional & Technical Services · Massachusetts
Gale Associates, Inc. MA$19.1M · 0.30%
Kognitiv, Inc MA$18.7M · 0.03%
Linksquares, Inc. MA$18.6M · 0.09%
Mobiquity, Inc. MA$18.6M · 0.33%
Allego Inc MA$18.6M · 0.46%
Aras Corporation MA$18.5M · 0.01%
Cti Biopharma Corp MA$18.3M · 0.13%

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Source: U.S. Department of Labor, Form 5500 series, EIN 208121647 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.