401k Record

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Amphenol 401(k)

Administrative expenses excluding investment management, per participant · largest plan, Amphenol Corporation Employee Savings/401(k) Plan · plan year 2024

$78.64

Higher than 62% of the 2,324 plans $250M to 1B that report it.

Source

= $526,517 / 6,695
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251002092215NAL0000236321001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002092215NAL0000236321001, received 2025-10-02

10th: $18.52median $67.2190th: $147.71

Percentiles compare this plan with the Schedule H plans $250M to 1B 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 2025-10-02.

Largest plan, all six figures: Amphenol Corporation Employee Savings/401(k) Plan

Recordkeeping fees per participant

not reported

Not reported on this filing.

Administrative expenses excluding investment management, per participantheadline

$78.64

10th: $18.52median $67.2190th: $147.71

Higher than 62% of the 2,324 plans $250M to 1B that report it.

Source

= $526,517 / 6,695
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251002092215NAL0000236321001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002092215NAL0000236321001, received 2025-10-02

Administrative expenses per participant

$78.64

10th: $27.95median $88.2590th: $203.68

Higher than 43% of the 2,405 plans $250M to 1B that report it.

Source

= $526,517 / 6,695
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251002092215NAL0000236321001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002092215NAL0000236321001, received 2025-10-02

Administrative expenses as a share of assets

0.068%

10th: 0.018%median 0.073%90th: 0.183%

Higher than 47% of the 2,407 plans $250M to 1B that report it.

Source

= $526,517 / $779,235,071
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251002092215NAL0000236321001, received 2025-10-02
assets_eoy: Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20251002092215NAL0000236321001, received 2025-10-02

Employer contributions per participant

$3,689

10th: $1,169median $3,07390th: $8,346

Higher than 60% of the 2,457 plans $250M to 1B that report it.

Source

= $24,698,766 / 6,695
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251002092215NAL0000236321001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002092215NAL0000236321001, received 2025-10-02

Employer share of total contributions

34.0%

10th: 17.5%median 31.1%90th: 48.7%

Higher than 60% of the 2,459 plans $250M to 1B that report it.

Source

= $24,698,766 / $72,628,951
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251002092215NAL0000236321001, received 2025-10-02
total_contrib: Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20251002092215NAL0000236321001, received 2025-10-02

Plan terms, as stated in Amphenol Corporation's SEC filings

Employer match

“The Company matches employee contributions to the U.S. defined contribution plans up to a maximum of 7% of eligible compensation.”

Form 10-K filed 2026-02-11, 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.

Plans sponsored

PlanAssetsParticipants with a balanceHeadlineYear
Amphenol Corporation Employee Savings/401(k) Plan$779,235,0716,695 $78.64 administrative expenses excl. investment management, per participant2024
Amphenol Affiliated Companies Employee Savings 401(k) Plan$73,837,0571,172 $91.52 administrative expenses excl. investment management, per participant2024
Amphenol Employee Deferral Savings 401(k) Plan$9,473,77030 $541.27 administrative expenses excl. investment management, per participant2023

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Sponsor name as filed: AMPHENOL CORPORATION & AFFILIATED COMPANIES; SEC registrant: AMPHENOL CORP /DE/ (CIK 820313, matched by EIN; display name from the Form 10-K cover).