How big is Block MEMS, LLC's plan?

Block MEMS, LLC's plan reported $3.2M in assets and 23 participants for 2025.

Original filing (PDF)20260428084015NAL0015345216001

Block MEMS, LLC

Name: Block MEMS, LLC — Block MEMS, LLC 401(k) Plan, Form 5500 (2025)
Creator: Block MEMS, LLC
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

Block MEMS, LLC 401(k) Plan

401(k) retirement plan · Block MEMS, LLC's Block MEMS, LLC 401(k) Plan held $3.2M in plan assets for 23 participants in 2025.

Active participants

Accounts w/ balance

Plan assets (EOY)

$3.2M

Net assets (EOY)

$3.2M

Plan identifiers

Block MEMS, LLC's EIN is 42-1582318.

EIN 42-1582318

Plan number 001

Plan year 2025

ACK ID 20260428084015NAL0015345216001

Official Form 5500 document

Download the official 2025 Form 5500 (PDF) for Block MEMS, LLC from the U.S. Department of Labor's EFAST2 system.

Download the official 2025 Form 5500 (PDF)

Plan features

Block MEMS, LLC's plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).

Decision-maker contacts

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Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.
High account-holder ratio — balance-holders per active participant in the top 15% of peers (90th percentile).

Plan sponsor

Name

BLOCK MEMS, LLC

EIN

all filings

Address

132 TURNPIKE ROAD, SUITE 110 · SOUTHBOROUGH, MA · 01772

Phone

(508) 251-3100

Industry

Management of Companies / Holdings

Plan administrator