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Diodes 401(k)

Recordkeeping fees per participant · Diodes Incorporated 401(k) Plan and Trust · plan year 2024

$84.20

Higher than 62% of the 5,847 plans $50 to 250M that report it.

Source

= $51,865 / 616
Schedule H, line 2i(3); OTH_RECORDKEEPING_FEES_AMT pos 160; filing 20250916155527NAL0005465394001, received 2025-09-16
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250916155527NAL0005465394001, received 2025-09-16

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 2025-09-16.

Cost and contributions

Administrative expenses excluding investment management, per participant

$130.50

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

Higher than 68% of the 8,758 plans $50 to 250M that report it.

Source

= $80,387 / 616
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20250916155527NAL0005465394001, received 2025-09-16
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250916155527NAL0005465394001, received 2025-09-16

Administrative expenses per participant

$219.78

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

Higher than 75% of the 9,042 plans $50 to 250M that report it.

Source

= $135,387 / 616
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250916155527NAL0005465394001, received 2025-09-16
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250916155527NAL0005465394001, received 2025-09-16

Administrative expenses as a share of assets

0.106%

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

Higher than 39% of the 9,049 plans $50 to 250M that report it.

Source

= $135,387 / $127,472,136
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250916155527NAL0005465394001, received 2025-09-16
assets_eoy: Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20250916155527NAL0005465394001, received 2025-09-16

Employer contributions per participant

$2,604

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

Higher than 47% of the 9,105 plans $50 to 250M that report it.

Source

= $1,604,281 / 616
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250916155527NAL0005465394001, received 2025-09-16
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250916155527NAL0005465394001, received 2025-09-16

Employer share of total contributions

19.9%

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

Higher than 18% of the 9,112 plans $50 to 250M that report it.

Source

= $1,604,281 / $8,066,258
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250916155527NAL0005465394001, received 2025-09-16
total_contrib: Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20250916155527NAL0005465394001, received 2025-09-16

Plan terms, as stated in Diodes Incorporated's SEC filings

Employer match

“We currently make a matching contribution of $1 for every $2 contributed by the participant up to 6% (3% maximum matching) of the participant’s eligible payroll, which vests over an initial four years.”

Form 10-K filed 2026-02-10, for the year ended 2025-12-31 · benefits note, 10-K benefits note · source document

Vesting

“We currently make a matching contribution of $1 for every $2 contributed by the participant up to 6% (3% maximum matching) of the participant’s eligible payroll, which vests over an initial four years.”

Form 10-K filed 2026-02-10, for the year ended 2025-12-31 · benefits note, 10-K benefits note · source document

Terms quoted from the filing for the year ended 2025-12-31. Figures cover plan year 2024. The plan document governs.

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 · 2T default investment (QDIA) · 3D IRS pre-approved plan · Form 5500, line 8a; TYPE_PENSION_BNFT_CODE pos 81; filing 20250916155527NAL0005465394001, received 2025-09-16

Full record, Diodes Incorporated 401(k) Plan and Trust

FieldValueSource
Plan sponsorDIODES INCORPORATEDForm 5500, Part II line 2a; SPONSOR_DFE_NAME pos 19; filing 20250916155527NAL0005465394001, received 2025-09-16
Plan nameDIODES INCORPORATED 401(K) PLAN AND TRUSTForm 5500, line 1a; PLAN_NAME pos 16; filing 20250916155527NAL0005465394001, received 2025-09-16
Sponsor EIN / plan number95-2039518 / 001Form 5500, line 2b; SPONS_DFE_EIN pos 44; filing 20250916155527NAL0005465394001, received 2025-09-16
Plan typesingle-employerForm 5500, Part I line A; TYPE_PLAN_ENTITY_CD pos 4; filing 20250916155527NAL0005465394001, received 2025-09-16
Sponsor locationPLANO, TXForm 5500, line 2a; SPONS_DFE_MAIL_US_STATE pos 25; filing 20250916155527NAL0005465394001, received 2025-09-16
Industry (business code)423600, Wholesale tradeForm 5500, line 2d; BUSINESS_CODE pos 46; filing 20250916155527NAL0005465394001, received 2025-09-16
Plan year2024-01-01 to 2024-12-31Form 5500, Part I plan year; FORM_PLAN_YEAR_BEGIN_DATE pos 2; filing 20250916155527NAL0005465394001, received 2025-09-16
Filing received2025-09-16Form 5500, EFAST2 receipt date; DATE_RECEIVED pos 102; filing 20250916155527NAL0005465394001, received 2025-09-16
Final filingnoForm 5500, Part I line B; FINAL_FILING_IND pos 8; filing 20250916155527NAL0005465394001, received 2025-09-16
Amended filingnoForm 5500, Part I line B; AMENDED_IND pos 7; filing 20250916155527NAL0005465394001, received 2025-09-16
Participants, beginning of year672Form 5500, line 5; TOT_PARTCP_BOY_CNT pos 71; filing 20250916155527NAL0005465394001, received 2025-09-16
Active participants420Form 5500, line 6a(2); TOT_ACTIVE_PARTCP_CNT pos 72; filing 20250916155527NAL0005465394001, received 2025-09-16
Participants, end of year628Form 5500, line 6f; TOT_ACT_RTD_SEP_BENEF_CNT pos 77; filing 20250916155527NAL0005465394001, received 2025-09-16
Participants with an account balance616Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250916155527NAL0005465394001, received 2025-09-16
Total assets, beginning of year$120,304,426Schedule H, Part I line 1f col (a); TOT_ASSETS_BOY_AMT pos 30; filing 20250916155527NAL0005465394001, received 2025-09-16
Total assets, end of year$127,472,136Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20250916155527NAL0005465394001, received 2025-09-16
Net assets, end of year$127,472,136Schedule H, line 1l col (b); NET_ASSETS_EOY_AMT pos 67; filing 20250916155527NAL0005465394001, received 2025-09-16
Total income$25,350,155Schedule H, Part II line 2d; TOT_INCOME_AMT pos 97; filing 20250916155527NAL0005465394001, received 2025-09-16
Net income$7,167,710Schedule H, line 2k; NET_INCOME_AMT pos 111; filing 20250916155527NAL0005465394001, received 2025-09-16
Employer contributions$1,604,281Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250916155527NAL0005465394001, received 2025-09-16
Participant contributions$6,330,941Schedule H, line 2a(1)(B); PARTICIPANT_CONTRIB_AMT pos 69; filing 20250916155527NAL0005465394001, received 2025-09-16
Other contributions (incl. rollovers)$131,036Schedule H, line 2a(1)(C); OTH_CONTRIB_RCVD_AMT pos 70; filing 20250916155527NAL0005465394001, received 2025-09-16
Total contributions$8,066,258Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20250916155527NAL0005465394001, received 2025-09-16
Benefit payments$18,028,284Schedule H, line 2e(4); TOT_DISTRIB_BNFT_AMT pos 101; filing 20250916155527NAL0005465394001, received 2025-09-16
Total expenses (incl. benefit payments)$18,182,445Schedule H, line 2j; TOT_EXPENSES_AMT pos 110; filing 20250916155527NAL0005465394001, received 2025-09-16
Total administrative expenses$135,387Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250916155527NAL0005465394001, received 2025-09-16
Contract administrator fees$15,562Schedule H, line 2i(2); CONTRACT_ADMIN_FEES_AMT pos 106; filing 20250916155527NAL0005465394001, received 2025-09-16
Recordkeeping fees$51,865Schedule H, line 2i(3); OTH_RECORDKEEPING_FEES_AMT pos 160; filing 20250916155527NAL0005465394001, received 2025-09-16
Investment advisory and management fees$55,000Schedule H, line 2i(5); INVST_MGMT_FEES_AMT pos 107; filing 20250916155527NAL0005465394001, received 2025-09-16
Administrative expenses excluding investment management$80,387derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20250916155527NAL0005465394001, received 2025-09-16
Held in mutual funds$85,618,986Schedule H, line 1c(13) col (b); INT_REG_INVST_CO_EOY_AMT pos 55; filing 20250916155527NAL0005465394001, received 2025-09-16
Independent auditorRUSSON+JOHNSTON LLPSchedule H, Part III line 3a; ACCOUNTANT_FIRM_NAME pos 116; filing 20250916155527NAL0005465394001, received 2025-09-16

Position = column in the DOL layout for form year 2024. Filing 20250916155527NAL0005465394001, received 2025-09-16.

Service providers paid directly by the plan

ProviderRelationshipService codesDirect compensationIndirect
EMPOWER ANNUITY INSURANCE COMPANY OrecordkeeperRECORDKEEPER 13 Contract administrator; 50 Direct payment from the plan; 15 Recordkeeping and information management; 64 Recordkeeping fees; 37 Participant loan processing $67,427yes
REGIONS BANK DBA REGIONS TRUSTINVESTMENT ADVISOR 27 Investment advisory (plan) $55,000no
PENSION ASSURANCE LLPOTHER 99 Other fees $12,250no

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 20250916155527NAL0005465394001, received 2025-09-16.

What changed since the 2023 plan year

Figure20232024Change
Total assets$120,304,426$127,472,1366.0%
Participants with a balance669616-7.9%
Administrative expenses$127,042$135,3876.6%
Recordkeeping fees per participantnot reported$84.20
Employer contributions$1,871,977$1,604,281-14.3%

Prior filing 20241009170335NAL0033474032001, received 2024-10-09; the plan years are contiguous.

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Sponsor name as filed: DIODES INCORPORATED; SEC registrant: DIODES INC /DEL/ (CIK 29002, matched by EIN; display name from the Form 10-K cover).