Listed

Willdan Group, Inc.

WLDNNasdaqCIK 1370450IndustrialsFiscal year ends Jan 1

Latest reported revenue, Q2 FY2026$231.0mRevenue, Q2 FY2026, three months to 2026-07-03$231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figureThree months to Jul 3, 2026, from the 10-Q filed Aug 7, 2026.

Latest quarter: Q2 FY2026

Three months to Jul 3, 2026, against the same quarter a year earlier.

  • Revenue$231.0mRevenue, Q2 FY2026, three months to 2026-07-03$231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure+33.2% on a year earlier
  • Gross margin37.9%Gross margin, Q2 FY2026, three months to 2026-07-03. gross profit / revenueGross profit: $87.5m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure−1.5 pts on a year earlier
  • Operating margin8.5%Operating margin, Q2 FY2026, three months to 2026-07-03. operating income / revenueOperating income: $19.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure+1.7 pts on a year earlier
  • Net margin10.5%Net margin, Q2 FY2026, three months to 2026-07-03. net income / revenueNet income: $24.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure+1.6 pts on a year earlier
  • Diluted EPS$1.58Diluted EPS, Q2 FY2026, three months to 2026-07-03$1.58 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure+53.4% on a year earlier
  • Free cash flow$42.2mFree cash flow, Q2 FY2026, three months to 2026-07-03. operating cash flow − capital expenditureOperating cash flow: $43.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Capital expenditure: $1.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Report this figure+82.0% on a year earlier

Last eight quarters

Full statements
Revenue$231.0mGross margin 37.9%
Diluted EPS$1.58, Q2 FY2026
Free cash flow$42.2m, Q2 FY2026
Willdan Group, Inc., key figures for the last eight quarters
Line itemUnitQ3 FY20242024-09-27Q4 FY20242024-12-27Q1 FY20252025-04-04Q2 FY20252025-07-04Q3 FY20252025-10-03Q4 FY20252026-01-02Q1 FY20262026-04-03Q2 FY20262026-07-03Shape over the periods
Revenue$m158Revenue, Q3 FY2024, three months to 2024-09-27$158.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure144Revenue, Q4 FY2024, three months to 2024-12-27$144.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure152Revenue, Q1 FY2025, three months to 2025-04-04$152.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure173Revenue, Q2 FY2025, three months to 2025-07-04$173.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure182Revenue, Q3 FY2025, three months to 2025-10-03$182.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure174Revenue, Q4 FY2025, three months to 2026-01-02$173.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure155Revenue, Q1 FY2026, three months to 2026-04-03$155.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure231Revenue, Q2 FY2026, three months to 2026-07-03$231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure
Gross margin%32.6%Gross margin, Q3 FY2024, three months to 2024-09-27. gross profit / revenueGross profit: $51.6m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-07, accession 0001104659-25-107945.Revenue: $158.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure38.1%Gross margin, Q4 FY2024, three months to 2024-12-27. gross profit / revenueGross profit: $55.0m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Revenue: $144.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure37.8%Gross margin, Q1 FY2025, three months to 2025-04-04. gross profit / revenueGross profit: $57.7m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Revenue: $152.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure39.4%Gross margin, Q2 FY2025, three months to 2025-07-04. gross profit / revenueGross profit: $68.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $173.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure36.9%Gross margin, Q3 FY2025, three months to 2025-10-03. gross profit / revenueGross profit: $67.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-07, accession 0001104659-25-107945.Revenue: $182.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure36.0%Gross margin, Q4 FY2025, three months to 2026-01-02. gross profit / revenueGross profit: $62.6m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Revenue: $173.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure40.7%Gross margin, Q1 FY2026, three months to 2026-04-03. gross profit / revenueGross profit: $63.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Revenue: $155.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure37.9%Gross margin, Q2 FY2026, three months to 2026-07-03. gross profit / revenueGross profit: $87.5m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure
Operating margin%5.5%Operating margin, Q3 FY2024, three months to 2024-09-27. operating income / revenueOperating income: $8.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $158.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure7.5%Operating margin, Q4 FY2024, three months to 2024-12-27. operating income / revenueOperating income: $10.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $144.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure4.6%Operating margin, Q1 FY2025, three months to 2025-04-04. operating income / revenueOperating income: $7.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Revenue: $152.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure6.8%Operating margin, Q2 FY2025, three months to 2025-07-04. operating income / revenueOperating income: $11.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $173.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure8.2%Operating margin, Q3 FY2025, three months to 2025-10-03. operating income / revenueOperating income: $14.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $182.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure6.0%Operating margin, Q4 FY2025, three months to 2026-01-02. operating income / revenueOperating income: $10.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $173.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure4.7%Operating margin, Q1 FY2026, three months to 2026-04-03. operating income / revenueOperating income: $7.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Revenue: $155.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure8.5%Operating margin, Q2 FY2026, three months to 2026-07-03. operating income / revenueOperating income: $19.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure
Net margin%4.6%Net margin, Q3 FY2024, three months to 2024-09-27. net income / revenueNet income: $7.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $158.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure5.3%Net margin, Q4 FY2024, three months to 2024-12-27. net income / revenueNet income: $7.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $144.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure3.1%Net margin, Q1 FY2025, three months to 2025-04-04. net income / revenueNet income: $4.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $152.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure8.9%Net margin, Q2 FY2025, three months to 2025-07-04. net income / revenueNet income: $15.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $173.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure7.5%Net margin, Q3 FY2025, three months to 2025-10-03. net income / revenueNet income: $13.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $182.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure10.8%Net margin, Q4 FY2025, three months to 2026-01-02. net income / revenueNet income: $18.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $173.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure5.5%Net margin, Q1 FY2026, three months to 2026-04-03. net income / revenueNet income: $8.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $155.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure10.5%Net margin, Q2 FY2026, three months to 2026-07-03. net income / revenueNet income: $24.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Revenue: $231.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure
Diluted EPS$ per share0.51Diluted EPS, Q3 FY2024, three months to 2024-09-27$0.51 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure0.53Diluted EPS, Q4 FY2024, three months to 2024-12-27$0.53 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure0.32Diluted EPS, Q1 FY2025, three months to 2025-04-04$0.32 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure1.03Diluted EPS, Q2 FY2025, three months to 2025-07-04$1.03 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure0.90Diluted EPS, Q3 FY2025, three months to 2025-10-03$0.90 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure1.23Diluted EPS, Q4 FY2025, three months to 2026-01-02$1.23 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure0.55Diluted EPS, Q1 FY2026, three months to 2026-04-03$0.55 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure1.58Diluted EPS, Q2 FY2026, three months to 2026-07-03$1.58 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001104659-26-092196.Report this figure
Free cash flow$m8.8Free cash flow, Q3 FY2024, three months to 2024-09-27. operating cash flow − capital expenditureOperating cash flow: $10.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001104659-25-107945. Derived: 9-month figure less the 6-month figure.Capital expenditure: $1.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001104659-25-107945. Derived: 9-month figure less the 6-month figure.Report this figure31.1Free cash flow, Q4 FY2024, three months to 2024-12-27. operating cash flow − capital expenditureOperating cash flow: $33.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Capital expenditure: $2.3m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Report this figure1.0Free cash flow, Q1 FY2025, three months to 2025-04-04. operating cash flow − capital expenditureOperating cash flow: $3.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Capital expenditure: $2.3m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure23.2Free cash flow, Q2 FY2025, three months to 2025-07-04. operating cash flow − capital expenditureOperating cash flow: $25.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Capital expenditure: $2.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Report this figure9.8Free cash flow, Q3 FY2025, three months to 2025-10-03. operating cash flow − capital expenditureOperating cash flow: $12.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001104659-25-107945. Derived: 9-month figure less the 6-month figure.Capital expenditure: $2.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001104659-25-107945. Derived: 9-month figure less the 6-month figure.Report this figure36.7Free cash flow, Q4 FY2025, three months to 2026-01-02. operating cash flow − capital expenditureOperating cash flow: $39.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Capital expenditure: $2.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-27, accession 0001104659-26-020767. Derived: 12-month figure less the 9-month figure.Report this figure(26.4)Free cash flow, Q1 FY2026, three months to 2026-04-03. operating cash flow − capital expenditureOperating cash flow: −$24.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Capital expenditure: $2.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001104659-26-057350.Report this figure42.2Free cash flow, Q2 FY2026, three months to 2026-07-03. operating cash flow − capital expenditureOperating cash flow: $43.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Capital expenditure: $1.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001104659-26-092196. Derived: 6-month figure less the 3-month figure.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Last five fiscal years

Revenue$681.6mGross margin 37.5%
Diluted EPS$3.49, FY2025
Free cash flow$70.7m, FY2025
Willdan Group, Inc., key figures for the last five fiscal years
Line itemUnitFY20212021-12-31FY20222022-12-30FY20232023-12-29FY20242024-12-27FY20252026-01-02Shape over the periods
Revenue$m354Revenue, FY2021, twelve months to 2021-12-31$353.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure429Revenue, FY2022, twelve months to 2022-12-30$429.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure510Revenue, FY2023, twelve months to 2023-12-29$510.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure566Revenue, FY2024, twelve months to 2024-12-27$565.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure682Revenue, FY2025, twelve months to 2026-01-02$681.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure
Gross margin%38.4%Gross margin, FY2021, twelve months to 2021-12-31. gross profit / revenueGross profit: $135.9m. XBRL concept us-gaap:GrossProfit. 10-K filed 2024-03-08, accession 0001558370-24-002758.Revenue: $353.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure33.5%Gross margin, FY2022, twelve months to 2022-12-30. gross profit / revenueGross profit: $143.6m. XBRL concept us-gaap:GrossProfit. 10-K filed 2025-03-07, accession 0001558370-25-002429.Revenue: $429.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure35.2%Gross margin, FY2023, twelve months to 2023-12-29. gross profit / revenueGross profit: $179.8m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $510.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure35.8%Gross margin, FY2024, twelve months to 2024-12-27. gross profit / revenueGross profit: $202.8m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $565.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure37.5%Gross margin, FY2025, twelve months to 2026-01-02. gross profit / revenueGross profit: $255.7m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $681.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure
Operating margin%(2.5%)Operating margin, FY2021, twelve months to 2021-12-31. operating income / revenueOperating income: −$8.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2024-03-08, accession 0001558370-24-002758.Revenue: $353.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure(1.6%)Operating margin, FY2022, twelve months to 2022-12-30. operating income / revenueOperating income: −$7.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-07, accession 0001558370-25-002429.Revenue: $429.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure4.3%Operating margin, FY2023, twelve months to 2023-12-29. operating income / revenueOperating income: $22.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $510.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure5.5%Operating margin, FY2024, twelve months to 2024-12-27. operating income / revenueOperating income: $31.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $565.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure6.5%Operating margin, FY2025, twelve months to 2026-01-02. operating income / revenueOperating income: $44.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $681.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure
Net margin%(2.4%)Net margin, FY2021, twelve months to 2021-12-31. net income / revenueNet income: −$8.4m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2024-03-08, accession 0001558370-24-002758.Revenue: $353.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure(2.0%)Net margin, FY2022, twelve months to 2022-12-30. net income / revenueNet income: −$8.4m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-07, accession 0001558370-25-002429.Revenue: $429.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure2.1%Net margin, FY2023, twelve months to 2023-12-29. net income / revenueNet income: $10.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $510.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure4.0%Net margin, FY2024, twelve months to 2024-12-27. net income / revenueNet income: $22.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $565.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure7.7%Net margin, FY2025, twelve months to 2026-01-02. net income / revenueNet income: $52.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-27, accession 0001104659-26-020767.Revenue: $681.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure
Diluted EPS$ per share(0.68)Diluted EPS, FY2021, twelve months to 2021-12-31−$0.68 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure(0.65)Diluted EPS, FY2022, twelve months to 2022-12-30−$0.65 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure0.80Diluted EPS, FY2023, twelve months to 2023-12-29$0.80 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure1.58Diluted EPS, FY2024, twelve months to 2024-12-27$1.58 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure3.49Diluted EPS, FY2025, twelve months to 2026-01-02$3.49 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure
Free cash flow$m1.3Free cash flow, FY2021, twelve months to 2021-12-31. operating cash flow − capital expenditureOperating cash flow: $9.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2024-03-08, accession 0001558370-24-002758.Capital expenditure: $8.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2024-03-08, accession 0001558370-24-002758.Report this figure(0.2)Free cash flow, FY2022, twelve months to 2022-12-30. operating cash flow − capital expenditureOperating cash flow: $9.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-07, accession 0001558370-25-002429.Capital expenditure: $9.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-07, accession 0001558370-25-002429.Report this figure29.3Free cash flow, FY2023, twelve months to 2023-12-29. operating cash flow − capital expenditureOperating cash flow: $39.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-27, accession 0001104659-26-020767.Capital expenditure: $9.9m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure63.7Free cash flow, FY2024, twelve months to 2024-12-27. operating cash flow − capital expenditureOperating cash flow: $72.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-27, accession 0001104659-26-020767.Capital expenditure: $8.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure70.7Free cash flow, FY2025, twelve months to 2026-01-02. operating cash flow − capital expenditureOperating cash flow: $80.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-27, accession 0001104659-26-020767.Capital expenditure: $9.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-27, accession 0001104659-26-020767.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Insider purchases and sales

All insider transactions

The last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.

No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.

No open-market purchases or sales by insiders are in coverage for this company.

Funds that report holding it

All funds

From each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.

Funds that report holding Willdan Group, Inc.
FundQuarter endedReported valueSharesPut or callChange on the quarter before
BlackRock, Inc.2026-06-30$113.8m1,438,623Added+120,899
Divisadero Street Capital Management, LP2026-06-30$104.8m1,324,293Added+1,159,306
VANGUARD CAPITAL MANAGEMENT LLC2026-06-30$50.1m632,916Added+19,589
NEUMEIER POMA INVESTMENT COUNSEL LLC2026-06-30$41.9m530,210Added+314,550
VANGUARD PORTFOLIO MANAGEMENT LLC2026-06-30$41.7m527,252Added+42,071
Allspring Global Investments Holdings, LLC2026-06-30$30.5m390,720Added+174,291
GEODE CAPITAL MANAGEMENT, LLC2026-06-30$30.3m383,399Added+29,107
FIRST TRUST ADVISORS LP2026-06-30$28.6m361,079Added+74,221
ALTA FOX CAPITAL MANAGEMENT, LLC2026-06-30$28.5m359,806New+359,806
Swedbank AB2026-06-30$27.7m349,700Added+113,000

Recent filings

All 1,024 filings

Reports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.

Willdan Group, Inc., recent filings
FiledFormWhat it isAccession number
2026-09-2316:32 ET8-K1.01 Entry into a material agreement; 9.01 Financial statements and exhibits0001104659-26-110002
2026-08-0718:43 ET10-QQuarterly reportPeriod 2026-07-030001104659-26-092196
2026-08-0616:16 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001104659-26-092028
2026-06-1816:39 ET8-K5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits0001104659-26-075795
2026-05-0818:39 ET10-QQuarterly reportPeriod 2026-04-030001104659-26-057350
2026-05-0716:15 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001104659-26-057151
2026-04-2416:25 ETDEF 14AProxy statementPeriod 2026-06-170001104659-26-048621
2026-02-2718:40 ET10-KAnnual reportPeriod 2026-01-020001104659-26-020767
2026-02-2616:15 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001104659-26-020502
2025-11-0718:48 ET10-QQuarterly reportPeriod 2025-10-030001104659-25-107945

Latest annual report

Form 10-K for the fiscal year ended Jan 2, 2026Filed Feb 27, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.

Forecast league

Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league

About the filer

CIK
1370450
Tickers
WLDN
Exchange
Nasdaq
SIC code
8711 Services-Engineering Services
Sector
Industrials
Fiscal year ends
Jan 1
Incorporated in
DE
Filer category
Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:38 ET. Listed shows no prices and gives no investment advice.