401k Record

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MainStreet Bancshares 401(k)

Administrative expenses excluding investment management, per participant · Mainstreet Bank 401(k) Plan · plan year 2024

$18.23

Higher than 12% of the 24,371 plans $10 to 50M that report it.

Source

= $3,463 / 190
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20250626091908NAL0004912947001, received 2025-06-26
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250626091908NAL0004912947001, received 2025-06-26

10th: $15.36median $118.8890th: $340.63

Percentiles compare this plan with the Schedule H plans $10 to 50M 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 2025-06-26.

Cost and contributions

Recordkeeping fees per participant

not reported

Not reported on this filing.

Administrative expenses per participant

$18.23

10th: $26.86median $197.2590th: $456.10

Higher than 7% of the 25,098 plans $10 to 50M that report it.

Source

= $3,463 / 190
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250626091908NAL0004912947001, received 2025-06-26
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250626091908NAL0004912947001, received 2025-06-26

Administrative expenses as a share of assets

0.015%

10th: 0.035%median 0.289%90th: 0.599%

Higher than 5% of the 25,132 plans $10 to 50M that report it.

Source

= $3,463 / $22,477,265
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250626091908NAL0004912947001, received 2025-06-26
assets_eoy: Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20250626091908NAL0004912947001, received 2025-06-26

Employer contributions per participant

$5,768

10th: $664median $2,07490th: $4,751

Higher than 94% of the 24,050 plans $10 to 50M that report it.

Source

= $1,095,835 / 190
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250626091908NAL0004912947001, received 2025-06-26
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250626091908NAL0004912947001, received 2025-06-26

Employer share of total contributions

32.1%

10th: 13.1%median 27.9%90th: 45.2%

Higher than 65% of the 24,084 plans $10 to 50M that report it.

Source

= $1,095,835 / $3,412,217
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250626091908NAL0004912947001, received 2025-06-26
total_contrib: Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20250626091908NAL0004912947001, received 2025-06-26

Plan terms, as stated in MainStreet Bancshares, Inc.'s SEC filings

Employer match

“The Company makes safe harbor matching contributions of 100% of employees’ salary deferral amounts up to 5% of employees’ eligible compensation.”

Form 11-K filed 2026-06-18, for the year ended 2025-12-31 · plan description note, contributions · source document

Eligibility

“Employees are eligible to participate in the Plan on the first day of employment.”

Form 11-K filed 2026-06-18, for the year ended 2025-12-31 · plan description note, general (fallback) · source document

Vesting

“Participants are vested immediately in both their own contributions and the portion contributed by the Company, plus actual earnings thereon.”

Form 11-K filed 2026-06-18, for the year ended 2025-12-31 · plan description note, vesting · 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

2A age/service-weighted · 2E profit-sharing · 2F ERISA 404(c) plan · 2G fully participant-directed · 2J 401(k) feature · 2K 401(m) arrangement · 2T default investment (QDIA) · 3D IRS pre-approved plan · Form 5500, line 8a; TYPE_PENSION_BNFT_CODE pos 81; filing 20250626091908NAL0004912947001, received 2025-06-26

Full record, Mainstreet Bank 401(k) Plan

FieldValueSource
Plan sponsorMAINSTREET BANKForm 5500, Part II line 2a; SPONSOR_DFE_NAME pos 19; filing 20250626091908NAL0004912947001, received 2025-06-26
Plan nameMAINSTREET BANK 401(K) PLANForm 5500, line 1a; PLAN_NAME pos 16; filing 20250626091908NAL0004912947001, received 2025-06-26
Sponsor EIN / plan number47-0914596 / 001Form 5500, line 2b; SPONS_DFE_EIN pos 44; filing 20250626091908NAL0004912947001, received 2025-06-26
Plan typesingle-employerForm 5500, Part I line A; TYPE_PLAN_ENTITY_CD pos 4; filing 20250626091908NAL0004912947001, received 2025-06-26
Sponsor locationFAIRFAX, VAForm 5500, line 2a; SPONS_DFE_MAIL_US_STATE pos 25; filing 20250626091908NAL0004912947001, received 2025-06-26
Industry (business code)522110, Finance and insuranceForm 5500, line 2d; BUSINESS_CODE pos 46; filing 20250626091908NAL0004912947001, received 2025-06-26
Plan year2024-01-01 to 2024-12-31Form 5500, Part I plan year; FORM_PLAN_YEAR_BEGIN_DATE pos 2; filing 20250626091908NAL0004912947001, received 2025-06-26
Filing received2025-06-26Form 5500, EFAST2 receipt date; DATE_RECEIVED pos 102; filing 20250626091908NAL0004912947001, received 2025-06-26
Final filingnoForm 5500, Part I line B; FINAL_FILING_IND pos 8; filing 20250626091908NAL0004912947001, received 2025-06-26
Amended filingyesForm 5500, Part I line B; AMENDED_IND pos 7; filing 20250626091908NAL0004912947001, received 2025-06-26
Participants, beginning of year213Form 5500, line 5; TOT_PARTCP_BOY_CNT pos 71; filing 20250626091908NAL0004912947001, received 2025-06-26
Active participants205Form 5500, line 6a(2); TOT_ACTIVE_PARTCP_CNT pos 72; filing 20250626091908NAL0004912947001, received 2025-06-26
Participants, end of year226Form 5500, line 6f; TOT_ACT_RTD_SEP_BENEF_CNT pos 77; filing 20250626091908NAL0004912947001, received 2025-06-26
Participants with an account balance190Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20250626091908NAL0004912947001, received 2025-06-26
Total assets, beginning of year$19,964,334Schedule H, Part I line 1f col (a); TOT_ASSETS_BOY_AMT pos 30; filing 20250626091908NAL0004912947001, received 2025-06-26
Total assets, end of year$22,477,265Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20250626091908NAL0004912947001, received 2025-06-26
Net assets, end of year$22,477,265Schedule H, line 1l col (b); NET_ASSETS_EOY_AMT pos 67; filing 20250626091908NAL0004912947001, received 2025-06-26
Total income$3,096,662Schedule H, Part II line 2d; TOT_INCOME_AMT pos 97; filing 20250626091908NAL0004912947001, received 2025-06-26
Net income$2,512,931Schedule H, line 2k; NET_INCOME_AMT pos 111; filing 20250626091908NAL0004912947001, received 2025-06-26
Employer contributions$1,095,835Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20250626091908NAL0004912947001, received 2025-06-26
Participant contributions$1,851,348Schedule H, line 2a(1)(B); PARTICIPANT_CONTRIB_AMT pos 69; filing 20250626091908NAL0004912947001, received 2025-06-26
Other contributions (incl. rollovers)$465,034Schedule H, line 2a(1)(C); OTH_CONTRIB_RCVD_AMT pos 70; filing 20250626091908NAL0004912947001, received 2025-06-26
Total contributions$3,412,217Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20250626091908NAL0004912947001, received 2025-06-26
Benefit payments$580,268Schedule H, line 2e(4); TOT_DISTRIB_BNFT_AMT pos 101; filing 20250626091908NAL0004912947001, received 2025-06-26
Total expenses (incl. benefit payments)$583,731Schedule H, line 2j; TOT_EXPENSES_AMT pos 110; filing 20250626091908NAL0004912947001, received 2025-06-26
Total administrative expenses$3,463Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20250626091908NAL0004912947001, received 2025-06-26
Contract administrator fees$3,463Schedule H, line 2i(2); CONTRACT_ADMIN_FEES_AMT pos 106; filing 20250626091908NAL0004912947001, received 2025-06-26
Administrative expenses excluding investment management$3,463derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20250626091908NAL0004912947001, received 2025-06-26
Held in common/collective trusts$12,564,147Schedule H, line 1c(9) col (b); INT_COMMON_TR_EOY_AMT pos 51; filing 20250626091908NAL0004912947001, received 2025-06-26
Held in mutual funds$2,746,224Schedule H, line 1c(13) col (b); INT_REG_INVST_CO_EOY_AMT pos 55; filing 20250626091908NAL0004912947001, received 2025-06-26
Independent auditorYOUNT, HYDE AND BARBOURSchedule H, Part III line 3a; ACCOUNTANT_FIRM_NAME pos 116; filing 20250626091908NAL0004912947001, received 2025-06-26

Position = column in the DOL layout for form year 2024. Filing 20250626091908NAL0004912947001, received 2025-06-26.

Service providers paid directly by the plan

ProviderRelationshipService codesDirect compensationIndirect
PRINCIPAL LIFE INSURANCE COMPANYrecordkeeperCONTRACT ADMINISTRATOR 13 Contract administrator; 37 Participant loan processing; 50 Direct payment from the plan; 64 Recordkeeping fees $3,463yes
KESTRA ADVISORY SERVICES, LLCINVESTMENT ADVISORY 27 Investment advisory (plan); 99 Other fees $0yes

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 20250626091908NAL0004912947001, received 2025-06-26.

What changed since the 2023 plan year

Figure20232024Change
Total assets$19,964,334$22,477,26512.6%
Participants with a balance1791906.1%
Administrative expenses$2,773$3,46324.9%
Recordkeeping fees per participantnot reportednot reported
Employer contributions$903,728$1,095,83521.3%

Prior filing 20240702075137NAL0003384963001, received 2024-07-02; the plan years are contiguous.

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Sponsor name as filed: MAINSTREET BANK; SEC registrant: MainStreet Bancshares, Inc. (CIK 1693577, matched by 11-K plan title; display name from the Form 11-K cover).