Plan Ledger DOL Form 5500 · updated monthly

Ampex Data Systems Corporation401(k)

AMPEX DATA SYSTEMS CORPORATION SAVINGS PLAN · HAYWARD, CA · plan year 2024

Reported admin expense ratio · 2024
0.09%

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

Ampex Data Systems Corporation reported $28,919 in plan administrative expenses for 2024: 0.09% of average plan assets, lower than ~75% of peers. Employer contributions averaged $2,319 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 0.10% to 0.09%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other manufacturing employers. By assets it is the 2,298th-largest of 9,483 plans among California employers on file, and the 3,929th of 13,661 in manufacturing. In 2024, employees put in $3.38 for every $1.00 the employer contributed; active participation has grown from 58 to 118 since 2022.

Plan summary
Net assets, end of year$36,333,706
Participants with balances186
Active participants118
Employer contributions$273,697
Employee contributions$924,893
Employer contribution per active participant$2,319
Average account balance$195,343
Benefits paid to participants$2,307,601
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$36.3M · 186 accts · $274K emplr
2023$30.6M · 166 accts · $196K emplr
2022$24.6M · 160 accts · $147K emplr
Administrative expenses, itemized · 2024
Investment management$419
Total administrative$28,919
The Ampex Data Systems Corporation 401(k) match · 2024
Employer contribution per active participant$2,319
Median for plans this size$2,416
2024$2,319 per active participant
2023$2,716 per active participant
2022$2,542 per active participant

Ampex Data Systems Corporation's 2024 employer contribution ran below the $2,416 median for plans its size. 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
TBD$34,275

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$28,919 · 0.09%
2023$354 · 0.00%
2022$27,913 · 0.10%
Similar plansManufacturing · California
Neolife International, LLC CA$37.1M · 0.05%
Hyundai Translead CA$36.7M · 0.16%
Zipline International Inc. CA$36.7M · 0.02%
Aja Video Systems, Inc. CA$36.1M · 0.27%
Stratolaunch, LLC CA$36.1M · 0.11%
Tk Services, Inc. CA$36.0M · 0.32%

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Source: U.S. Department of Labor, Form 5500 series, EIN 943112575 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.