401k Record

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Mirion Technologies (US) 401(k)

Recordkeeping fees per participant · Mirion Technologies 401(k) Plan · plan year 2024

$112.28

Higher than 79% of the 5,847 plans $50 to 250M that report it.

Source

= $209,620 / 1,867
Schedule H, line 2i(3); OTH_RECORDKEEPING_FEES_AMT pos 160; filing 20251015134536NAL0009540450001, received 2025-10-15
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251015134536NAL0009540450001, received 2025-10-15

10th: $10.22median $69.9190th: $151.08

Percentiles compare this plan with the Schedule H plans $50 to 250M in assets of the same plan year, excluding final filings; shown only where at least 50 comparable plans report the figure. Plan year 2024-01-01 to 2024-12-31, filing received 2025-10-15.

Cost and contributions

Administrative expenses excluding investment management, per participant

$112.28

10th: $16.21median $93.2090th: $246.84

Higher than 60% of the 8,758 plans $50 to 250M that report it.

Source

= $209,620 / 1,867
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251015134536NAL0009540450001, received 2025-10-15
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251015134536NAL0009540450001, received 2025-10-15

Administrative expenses per participant

$139.23

10th: $29.39median $132.8490th: $350.58

Higher than 53% of the 9,042 plans $50 to 250M that report it.

Source

= $259,951 / 1,867
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251015134536NAL0009540450001, received 2025-10-15
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251015134536NAL0009540450001, received 2025-10-15

Administrative expenses as a share of assets

0.129%

10th: 0.022%median 0.136%90th: 0.326%

Higher than 48% of the 9,049 plans $50 to 250M that report it.

Source

= $259,951 / $201,299,114
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251015134536NAL0009540450001, received 2025-10-15
assets_eoy: Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20251015134536NAL0009540450001, received 2025-10-15

Employer contributions per participant

$2,627

10th: $965median $2,73890th: $8,164

Higher than 48% of the 9,105 plans $50 to 250M that report it.

Source

= $4,904,110 / 1,867
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251015134536NAL0009540450001, received 2025-10-15
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251015134536NAL0009540450001, received 2025-10-15

Employer share of total contributions

22.8%

10th: 15.6%median 29.5%90th: 50.6%

Higher than 27% of the 9,112 plans $50 to 250M that report it.

Source

= $4,904,110 / $21,546,816
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251015134536NAL0009540450001, received 2025-10-15
total_contrib: Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20251015134536NAL0009540450001, received 2025-10-15

Plan terms, as stated in Mirion Technologies (US), Inc.'s SEC filings

Plan terms are not published in public filings.

Plan features

2E profit-sharing · 2F ERISA 404(c) plan · 2G fully participant-directed · 2J 401(k) feature · 2K 401(m) arrangement · 2S pre-approved plan document · 3D IRS pre-approved plan · 3H controlled-group sponsor · 3F · 2T default investment (QDIA) · Form 5500, line 8a; TYPE_PENSION_BNFT_CODE pos 81; filing 20251015134536NAL0009540450001, received 2025-10-15

Full record, Mirion Technologies 401(k) Plan

FieldValueSource
Plan sponsorMIRION TECHNOLOGIES, INC.Form 5500, Part II line 2a; SPONSOR_DFE_NAME pos 19; filing 20251015134536NAL0009540450001, received 2025-10-15
Plan nameMIRION TECHNOLOGIES 401(K) PLANForm 5500, line 1a; PLAN_NAME pos 16; filing 20251015134536NAL0009540450001, received 2025-10-15
Sponsor EIN / plan number20-3979555 / 001Form 5500, line 2b; SPONS_DFE_EIN pos 44; filing 20251015134536NAL0009540450001, received 2025-10-15
Plan typesingle-employerForm 5500, Part I line A; TYPE_PLAN_ENTITY_CD pos 4; filing 20251015134536NAL0009540450001, received 2025-10-15
Sponsor locationATLANTA, GAForm 5500, line 2a; SPONS_DFE_MAIL_US_STATE pos 25; filing 20251015134536NAL0009540450001, received 2025-10-15
Industry (business code)334410, ManufacturingForm 5500, line 2d; BUSINESS_CODE pos 46; filing 20251015134536NAL0009540450001, received 2025-10-15
Plan year2024-01-01 to 2024-12-31Form 5500, Part I plan year; FORM_PLAN_YEAR_BEGIN_DATE pos 2; filing 20251015134536NAL0009540450001, received 2025-10-15
Filing received2025-10-15Form 5500, EFAST2 receipt date; DATE_RECEIVED pos 102; filing 20251015134536NAL0009540450001, received 2025-10-15
Final filingnoForm 5500, Part I line B; FINAL_FILING_IND pos 8; filing 20251015134536NAL0009540450001, received 2025-10-15
Amended filingnoForm 5500, Part I line B; AMENDED_IND pos 7; filing 20251015134536NAL0009540450001, received 2025-10-15
Participants, beginning of year2,701Form 5500, line 5; TOT_PARTCP_BOY_CNT pos 71; filing 20251015134536NAL0009540450001, received 2025-10-15
Active participants1,329Form 5500, line 6a(2); TOT_ACTIVE_PARTCP_CNT pos 72; filing 20251015134536NAL0009540450001, received 2025-10-15
Participants, end of year1,899Form 5500, line 6f; TOT_ACT_RTD_SEP_BENEF_CNT pos 77; filing 20251015134536NAL0009540450001, received 2025-10-15
Participants with an account balance1,867Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251015134536NAL0009540450001, received 2025-10-15
Total assets, beginning of year$172,434,870Schedule H, Part I line 1f col (a); TOT_ASSETS_BOY_AMT pos 30; filing 20251015134536NAL0009540450001, received 2025-10-15
Total assets, end of year$201,299,114Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20251015134536NAL0009540450001, received 2025-10-15
Net assets, end of year$201,299,114Schedule H, line 1l col (b); NET_ASSETS_EOY_AMT pos 67; filing 20251015134536NAL0009540450001, received 2025-10-15
Total income$44,460,583Schedule H, Part II line 2d; TOT_INCOME_AMT pos 97; filing 20251015134536NAL0009540450001, received 2025-10-15
Net income$28,864,244Schedule H, line 2k; NET_INCOME_AMT pos 111; filing 20251015134536NAL0009540450001, received 2025-10-15
Employer contributions$4,904,110Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251015134536NAL0009540450001, received 2025-10-15
Participant contributions$11,645,438Schedule H, line 2a(1)(B); PARTICIPANT_CONTRIB_AMT pos 69; filing 20251015134536NAL0009540450001, received 2025-10-15
Other contributions (incl. rollovers)$4,997,268Schedule H, line 2a(1)(C); OTH_CONTRIB_RCVD_AMT pos 70; filing 20251015134536NAL0009540450001, received 2025-10-15
Total contributions$21,546,816Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20251015134536NAL0009540450001, received 2025-10-15
Benefit payments$15,211,099Schedule H, line 2e(4); TOT_DISTRIB_BNFT_AMT pos 101; filing 20251015134536NAL0009540450001, received 2025-10-15
Total expenses (incl. benefit payments)$15,596,339Schedule H, line 2j; TOT_EXPENSES_AMT pos 110; filing 20251015134536NAL0009540450001, received 2025-10-15
Total administrative expenses$259,951Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251015134536NAL0009540450001, received 2025-10-15
Contract administrator fees$0Schedule H, line 2i(2); CONTRACT_ADMIN_FEES_AMT pos 106; filing 20251015134536NAL0009540450001, received 2025-10-15
Recordkeeping fees$209,620Schedule H, line 2i(3); OTH_RECORDKEEPING_FEES_AMT pos 160; filing 20251015134536NAL0009540450001, received 2025-10-15
IQPA audit fees$0Schedule H, line 2i(4); IQPA_AUDIT_FEES_AMT pos 161; filing 20251015134536NAL0009540450001, received 2025-10-15
Investment advisory and management fees$50,331Schedule H, line 2i(5); INVST_MGMT_FEES_AMT pos 107; filing 20251015134536NAL0009540450001, received 2025-10-15
Administrative expenses excluding investment management$209,620derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251015134536NAL0009540450001, received 2025-10-15
Held in master trusts$0Schedule H, line 1c(11) col (b); INT_MASTER_TR_EOY_AMT pos 53; filing 20251015134536NAL0009540450001, received 2025-10-15
Held in common/collective trusts$0Schedule H, line 1c(9) col (b); INT_COMMON_TR_EOY_AMT pos 51; filing 20251015134536NAL0009540450001, received 2025-10-15
Held in mutual funds$184,089,987Schedule H, line 1c(13) col (b); INT_REG_INVST_CO_EOY_AMT pos 55; filing 20251015134536NAL0009540450001, received 2025-10-15
Independent auditorWINDES, INC.Schedule H, Part III line 3a; ACCOUNTANT_FIRM_NAME pos 116; filing 20251015134536NAL0009540450001, received 2025-10-15

Position = column in the DOL layout for form year 2024. Filing 20251015134536NAL0009540450001, received 2025-10-15.

Service providers paid directly by the plan

ProviderRelationshipService codesDirect compensationIndirect
EMPOWER ANNUITY INSURANCE COMPANY OrecordkeeperNONE 15 Recordkeeping and information management; 37 Participant loan processing; 50 Direct payment from the plan; 64 Recordkeeping fees $209,620yes
MERCER (US) INC MERCER INVESTMENTSNONE 27 Investment advisory (plan); 99 Other fees $50,331no

Schedule C Part I line 2: name (a), service codes (b), relationship (c), direct compensation paid by the plan (d), indirect compensation received (e). Filing 20251015134536NAL0009540450001, received 2025-10-15.

What changed since the 2023 plan year

Figure20232024Change
Total assets$172,434,870$201,299,11416.7%
Participants with a balance1,7141,8678.9%
Administrative expenses$236,085$259,95110.1%
Recordkeeping fees per participant$108.74$112.283.3%
Employer contributions$5,872,261$4,904,110-16.5%

Prior filing 20241015131915NAL0014705827001, received 2024-10-15; the plan years are contiguous.

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Sponsor name as filed: MIRION TECHNOLOGIES, INC.; SEC registrant: Mirion Technologies (US), Inc. (CIK 1465763, matched by EIN).