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MONTALBANO DOUGLAS J

Disclosed activity across 1 company

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75945
SEC CIK
0001991888

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MATRIX SERVICE COMTRX · Entity 2743President, Matrix NACAugust 29, 2025September 02, 2025

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

MATRIX SERVICE CO

Report date August 29, 2025 · Filed September 02, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
COMMON STOCKSEC Table I · non-derivativeDirect62,352 Ending reported balance After 2025-08-30 transaction · row 11
11 source rows · reconciled sequence

Row 1 · 2025-08-29 · Exercise / conversion · Acquired 3,529 · Balance 59,372

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Row 2 · 2025-08-29 · Disposition to issuer · Disposed 3,529 · Balance 55,843

Row 3 · 2025-08-29 · Tax withholding · Disposed 1,517 · Balance 54,326

F2: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Row 4 · 2025-08-30 · Exercise / conversion · Acquired 1,210 · Balance 55,536

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Row 5 · 2025-08-30 · Disposition to issuer · Disposed 1,210 · Balance 54,326

Row 6 · 2025-08-30 · Tax withholding · Disposed 520 · Balance 53,806

F2: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Row 7 · 2025-08-30 · Exercise / conversion · Acquired 1,881 · Balance 55,687

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Row 8 · 2025-08-30 · Disposition to issuer · Disposed 1,881 · Balance 53,806

Row 9 · 2025-08-30 · Tax withholding · Disposed 808 · Balance 52,998

F2: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Row 10 · 2025-08-30 · Grant · Acquired 16,406 · Balance 69,404

F3: SHARES RECEIVED ON CONVERSION OF PERFORMANCE STOCK UNIT AWARD AS PREDETERMINED MARKET-BASED CRITERIA WAS MET.

Row 11 · 2025-08-30 · Tax withholding · Disposed 7,052 · Balance 62,352

F4: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED PERFORMANCE STOCK UNITS.

RESTRICTED STOCK UNITSSEC Table II · derivative / convertible security · Expires 2027-08-29Direct7,058 Reported balance After 2025-08-29 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2025-08-29 · Exercise / conversion · Disposed 3,529 · Balance 7,058

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 29, 2024 TO AUGUST 29, 2027.

RESTRICTED STOCK UNITSSEC Table II · derivative / convertible security · Expires 2025-08-30Direct0 Reported balance After 2025-08-30 transaction · row 13 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 13 · 2025-08-30 · Exercise / conversion · Disposed 1,210 · Balance 0

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F6: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2022 TO AUGUST 30, 2025.

RESTRICTED STOCK UNITSSEC Table II · derivative / convertible security · Expires 2026-08-30Direct1,881 Reported balance After 2025-08-30 transaction · row 14 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 14 · 2025-08-30 · Exercise / conversion · Disposed 1,881 · Balance 1,881

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F7: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2023 TO AUGUST 30, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F2: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

F3: SHARES RECEIVED ON CONVERSION OF PERFORMANCE STOCK UNIT AWARD AS PREDETERMINED MARKET-BASED CRITERIA WAS MET.

F4: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED PERFORMANCE STOCK UNITS.

F5: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 29, 2024 TO AUGUST 29, 2027.

F6: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2022 TO AUGUST 30, 2025.

F7: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2023 TO AUGUST 30, 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 1,881 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · derivative · entry 14

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,881

Underlying: COMMON STOCK · 1,881 shares

Expires 2026-08-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F7 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2023 TO AUGUST 30, 2026.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 1,210 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · derivative · entry 13

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 1,210 shares

Expires 2025-08-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F6 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2022 TO AUGUST 30, 2025.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 7,052 $15.13 $106,696.76
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 11

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,352

F4 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED PERFORMANCE STOCK UNITS.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantCOMMON STOCK 16,406 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 10

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,404

F3 · shares: SHARES RECEIVED ON CONVERSION OF PERFORMANCE STOCK UNIT AWARD AS PREDETERMINED MARKET-BASED CRITERIA WAS MET.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 808 $15.13 $12,225.04
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 9

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,998

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 1,881 $15.13 $28,459.53
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 8

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,806

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 1,881 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 7

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,687

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 520 $15.13 $7,867.60
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 6

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,806

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 1,210 $15.13 $18,307.30
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 5

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,326

Read SEC document
August 30, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 1,210 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 4

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,536

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 29, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 3,529 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · derivative · entry 12

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,058

Underlying: COMMON STOCK · 3,529 shares

Expires 2027-08-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 29, 2024 TO AUGUST 29, 2027.

Read SEC document
August 29, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 1,517 $15.13 $22,952.21
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 3

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,326

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 29, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 3,529 $15.13 $53,393.77
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 2

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,843

Read SEC document
August 29, 2025 Filed Sep 2, 2025 21:16 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 3,529 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-25-000060 · wk-form4_1756847810.xml · nonDerivative · entry 1

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,372

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 2,462 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · derivative · entry 6

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,383

Underlying: COMMON STOCK · 2,462 shares

Expires 2028-08-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 27, 2025 TO AUGUST 27, 2028.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantRESTRICTED STOCK UNITS · Derivative 7,909 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · derivative · entry 5

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,909

Underlying: COMMON STOCK · 7,909 shares

Expires 2029-08-27

F2 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F4 · shares: EACH UNIT WILL ENTITLE THE REPORTING PERSON TO THE CASH EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 1,058 $15.37 $16,261.46
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · nonDerivative · entry 4

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,843

F3 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 2,462 $15.37 $37,840.94
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · nonDerivative · entry 3

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,901

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 2,462 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · nonDerivative · entry 2

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,363

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 27, 2025 Filed Aug 28, 2025 23:14 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantCOMMON STOCK 7,909 $0.00 $0.00
Disclosure

SEC source: 0000866273-25-000047 · wk-form4_1756422866.xml · nonDerivative · entry 1

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,901

F1 · shares: RESTRICTED STOCK UNIT - EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 1,881 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · derivative · entry 14

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,762

Underlying: COMMON STOCK · 1,881 shares

Expires 2026-08-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F7 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2023 TO AUGUST 30, 2026.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 1,211 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · derivative · entry 13

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,210

Underlying: COMMON STOCK · 1,211 shares

Expires 2025-08-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F6 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 30, 2022 TO AUGUST 30, 2025.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 1,176 $9.96 $11,712.96
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 11

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,992

F4 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED PERFORMANCE STOCK UNITS.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantCOMMON STOCK 2,737 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 10

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,168

F3 · shares: SHARES RECEIVED ON CONVERSION OF PERFORMANCE STOCK UNIT AWARD AS PREDETERMINED MARKET-BASED CRITERIA WAS MET.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 808 $9.96 $8,047.68
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 9

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,431

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 1,881 $9.96 $18,734.76
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 8

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,239

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 1,881 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 7

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,120

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

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August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 520 $9.96 $5,179.20
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 6

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,239

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

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August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 1,211 $9.96 $12,061.56
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 5

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,759

Read SEC document
August 30, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 1,211 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 4

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,970

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 29, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 3,529 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · derivative · entry 12

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,587

Underlying: COMMON STOCK · 3,529 shares

Expires 2027-08-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 29, 2024 TO AUGUST 29, 2027.

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August 29, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 1,517 $9.95 $15,094.15
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 3

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,759

F2 · shares: SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR STOCK-SETTLED RESTRICTED STOCK UNITS.

Read SEC document
August 29, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 3,529 $9.95 $35,113.55
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 2

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,276

Read SEC document
August 29, 2024 Filed Sep 3, 2024 21:44 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 3,529 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-24-000078 · wk-form4_1725399850.xml · nonDerivative · entry 1

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,805

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document
August 27, 2024 Filed Aug 28, 2024 21:25 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantRESTRICTED STOCK UNITS · Derivative 9,845 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000058 · wk-form4_1724880304.xml · derivative · entry 2

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,845

Underlying: COMMON STOCK · 9,845 shares

Expires 2028-08-27

F4 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5 · shares: EACH UNIT WILL ENTITLE THE REPORTING PERSON TO THE CASH EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

F1 · derivative.underlying: MATRIX SERVICE COMPANY COMMON STOCK.

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August 27, 2024 Filed Aug 28, 2024 21:25 UTC MATRIX SERVICE CO MTRX · Entity 2743 GrantCOMMON STOCK 9,845 $0.00 $0.00
Disclosure

SEC source: 0000866273-24-000058 · wk-form4_1724880304.xml · nonDerivative · entry 1

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,276

F1 · security: MATRIX SERVICE COMPANY COMMON STOCK.

F2 · shares: RESTRICTED STOCK UNIT - EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK IF AND WHEN THE CONDITIONS OF THE RESTRICTION HAVE BEEN SATISFIED. FOR THIS GRANT, 25% WILL VEST EACH YEAR FOR THE NEXT FOUR YEARS ON THE ANNIVERSARY DATES.

F3 · balance_after: INCLUDES 18,251 SHARES OF MATRIX SERVICE COMPANY COMMON STOCK OWNED OUTRIGHT.

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August 24, 2024 Filed Aug 27, 2024 17:30 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 1,114 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-24-000040 · wk-form4_1724779795.xml · derivative · entry 4

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 1,114 shares

Expires 2024-08-24

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F2 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

F5 · derivative.exercise_date: FOR THIS SERVICE-BASED AWARD OF CASH-SETTLED RESTRICTED STOCK UNITS, 25% WILL VEST EACH YEAR FROM AUGUST 24, 2021 TO AUGUST 24, 2024.

F1 · derivative.underlying: MATRIX SERVICE COMPANY COMMON STOCK.

Read SEC document
August 24, 2024 Filed Aug 27, 2024 17:30 UTC MATRIX SERVICE CO MTRX · Entity 2743 Tax withholdingCOMMON STOCK 478 $10.00 $4,780.00
Disclosure

SEC source: 0000866273-24-000040 · wk-form4_1724779795.xml · nonDerivative · entry 3

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,431

F1 · security: MATRIX SERVICE COMPANY COMMON STOCK.

F3 · shares: RESTRICTED STOCK UNIT AWARD - SHARES DISPOSED TO SATISFY TAX OBLIGATION DUE ON VEST DATE FOR SERVICE-BASED GRANT.

F4 · balance_after: INCLUDES 18,251 SHARES OF MATRIX SERVICE COMPANY COMMON STOCK OWNED OUTRIGHT.

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August 24, 2024 Filed Aug 27, 2024 17:30 UTC MATRIX SERVICE CO MTRX · Entity 2743 Disposition to issuerCOMMON STOCK 1,114 $10.00 $11,140.00
Disclosure

SEC source: 0000866273-24-000040 · wk-form4_1724779795.xml · nonDerivative · entry 2

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,909

F1 · security: MATRIX SERVICE COMPANY COMMON STOCK.

Read SEC document
August 24, 2024 Filed Aug 27, 2024 17:30 UTC MATRIX SERVICE CO MTRX · Entity 2743 Exercise / conversionCOMMON STOCK 1,114 Not disclosed Not disclosed
Disclosure

SEC source: 0000866273-24-000040 · wk-form4_1724779795.xml · nonDerivative · entry 1

MONTALBANO DOUGLAS J · CIK 0001991888 · President, Matrix NAC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,023

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: MATRIX SERVICE COMPANY COMMON STOCK.

F2 · price: EACH RESTRICTED STOCK UNIT IS THE ECONOMIC EQUIVALENT OF ONE SHARE OF MATRIX SERVICE COMPANY COMMON STOCK. ALL RESTRICTED STOCK UNITS ARE SETTLED SOLELY IN CASH WHEN VESTED.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.