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person · Reporting owner

Pietrucha Susan E

Disclosed activity across 1 company

Tapewire entity
60354
SEC CIK
0001386997

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Arthur J. Gallagher & Co.AJG · Entity 990Chief Human Resources OfficerMarch 15, 2026March 18, 2026

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.

Arthur J. Gallagher & Co.

Report date March 15, 2026 · Filed March 18, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Stock (restricted)SEC Table I · non-derivativeDirect0 Ending reported balance After 2026-03-15 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-03-15 · Grant · Acquired 6,612 · Balance 6,612

F1: Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.

Row 2 · 2026-03-15 · Exercise / conversion · Disposed 6,612 · Balance 0

Common StockSEC Table I · non-derivativeDirect16,396.7715 Ending reported balance After 2026-03-15 transaction · row 4
2 source rows · reconciled sequence

Row 3 · 2026-03-15 · Exercise / conversion · Acquired 6,612 · Balance 18,582.7715

Row 4 · 2026-03-15 · Tax withholding · Disposed 2,186 · Balance 16,396.7715

Common StockSEC Table I · non-derivativeIndirectGallagher 401(k) plan account367.312 Reported balance Holding disclosure · report date 2026-03-15 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 367.312

Phantom StockSEC Table II · derivative / convertible securityDirect100,637.795 Reported balance Holding disclosure · report date 2026-03-15 · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · Balance 100,637.795

F2: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F3: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $127.90 · Expires 2028-03-16Direct21,210 Reported balance Holding disclosure · report date 2026-03-15 · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · Balance 21,210

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $86.17 · Expires 2027-03-12Direct15,020 Reported balance Holding disclosure · report date 2026-03-15 · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · Balance 15,020

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $228.20 · Expires 2033-03-01Direct14,977 Reported balance Holding disclosure · report date 2026-03-15 · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · Balance 14,977

F7: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $337.74 · Expires 2032-03-01Direct10,028 Reported balance Holding disclosure · report date 2026-03-15 · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · Balance 10,028

F8: Closing price of Gallagher common stock on February 28, 2025.

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $158.56 · Expires 2029-03-15Direct9,875 Reported balance Holding disclosure · report date 2026-03-15 · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · Balance 9,875

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $243.54 · Expires 2031-03-01Direct9,210 Reported balance Holding disclosure · report date 2026-03-15 · row 13 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 13 · Balance 9,210

F9: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $177.09 · Expires 2030-03-15Direct8,815 Reported balance Holding disclosure · report date 2026-03-15 · row 14 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 14 · Balance 8,815

F10: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Notional Stock UnitsSEC Table II · derivative / convertible security · Conversion / exercise price $0.00Direct15,324.048 Reported balance Holding disclosure · report date 2026-03-15 · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · Balance 15,324.048

F5: Each notional stock unit represents a right to receive one share of Gallagher common stock.

F6: The notional stock units become payable following the reporting person's separation from service with Gallagher.

Filing footnotes · ownership attribution and instrument terms

F1: Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.

F2: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F3: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F4: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

F5: Each notional stock unit represents a right to receive one share of Gallagher common stock.

F6: The notional stock units become payable following the reporting person's separation from service with Gallagher.

F7: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

F8: Closing price of Gallagher common stock on February 28, 2025.

F9: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

F10: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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
March 15, 2026 Filed Mar 18, 2026 01:56 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 2,186 $207.93 $454,534.98
Disclosure

SEC source: 0000354190-26-000092 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,396.7715

Read SEC document
March 15, 2026 Filed Mar 18, 2026 01:56 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 6,612 $0.00 $0.00
Disclosure

SEC source: 0000354190-26-000092 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,582.7715

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.

Read SEC document
March 15, 2026 Filed Mar 18, 2026 01:56 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 6,612 $0.00 $0.00
Disclosure

SEC source: 0000354190-26-000092 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

Read SEC document
March 15, 2026 Filed Mar 18, 2026 01:56 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantCommon Stock (restricted) 6,612 $0.00 $0.00
Disclosure

SEC source: 0000354190-26-000092 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,612

F1 · shares: Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.

Read SEC document
March 04, 2026 Filed Mar 7, 2026 01:11 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantPhantom Stock · Derivative 1,982.292 $227.01 $450,000.11
Disclosure

SEC source: 0000354190-26-000040 · form4.xml · derivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,637.795

Underlying: Common Stock · 1,982.292 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F2 · derivative.exercise_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F2 · derivative.expiration_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

Read SEC document
March 01, 2026 Filed Mar 4, 2026 00:14 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantNon-qualified Stock Option · Derivative 14,977 $0.00 Strike: $228.20 $0.00
Disclosure

SEC source: 0000354190-26-000032 · form4.xml · derivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,977

Underlying: Common Stock · 14,977 shares

Expires 2033-03-01

F1 · derivative.exercise_date: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
May 19, 2025 Filed May 20, 2025 21:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionNon-qualified Stock Option · Derivative 13,500 $0.00 Strike: $79.59 $0.00
Disclosure

SEC source: 0001127602-25-015071 · form4.xml · derivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,500 shares

Expires 2026-03-14

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_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
May 19, 2025 Filed May 20, 2025 21:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 SaleCommon Stock 13,500 $344.13 $4,645,728.00
Disclosure

SEC source: 0001127602-25-015071 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,940.8404

F1 · price: The price reported is an average weighted price. The shares were sold in multiple transactions on 5/19/2025 at prices ranging from $344.00 to $344.49. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes to this Form 4.

Read SEC document
May 19, 2025 Filed May 20, 2025 21:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 13,500 $79.59 $1,074,465.00
Disclosure

SEC source: 0001127602-25-015071 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,440.8404

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.

Read SEC document
March 15, 2025 Filed Mar 18, 2025 22:33 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 2,580 $325.24 $839,119.20
Disclosure

SEC source: 0001127602-25-009869 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,887.5297

Read SEC document
March 15, 2025 Filed Mar 18, 2025 22:33 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 6,220 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-009869 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,467.5297

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.

Read SEC document
March 15, 2025 Filed Mar 18, 2025 22:33 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 6,220 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-009869 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

Read SEC document
March 15, 2025 Filed Mar 18, 2025 22:33 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantCommon Stock (restricted) 6,220 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-009869 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,220

F1 · shares: Performance share units (awarded on March 15, 2022) earned and vested as of March 15, 2025.

Read SEC document
March 12, 2025 Filed Mar 14, 2025 23:34 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 530 $325.76 $172,652.80
Disclosure

SEC source: 0001127602-25-009541 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,247.5297

Read SEC document
March 12, 2025 Filed Mar 14, 2025 23:34 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 1,960 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-009541 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,777.5297

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.

Read SEC document
March 12, 2025 Filed Mar 14, 2025 23:34 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 1,960 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-009541 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

Read SEC document
March 10, 2025 Filed Mar 12, 2025 00:48 UTC Arthur J. Gallagher & Co. AJG · Entity 990 OtherPhantom Stock · Derivative 1,400.866 $321.23 $450,000.19
Disclosure

SEC source: 0001127602-25-009185 · form4.xml · derivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,799.807

Underlying: Common Stock · 1,400.866 shares

Expires not disclosed

F1 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F2 · derivative.exercise_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F2 · derivative.expiration_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

Read SEC document
March 01, 2025 Filed Mar 6, 2025 01:31 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantNon-qualified Stock Option · Derivative 10,028 $0.00 Strike: $337.74 $0.00
Disclosure

SEC source: 0001127602-25-008445 · form4.xml · derivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,028

Underlying: Common Stock · 10,028 shares

Expires 2032-03-01

F1 · derivative.exercise_price: Closing price of Gallagher common stock on February 28, 2025.

F2 · derivative.exercise_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
March 16, 2024 Filed Mar 20, 2024 00:58 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 3,272 $253.17 $828,372.24
Disclosure

SEC source: 0001127602-24-010721 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,710.8305

Read SEC document
March 16, 2024 Filed Mar 20, 2024 00:58 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 7,712 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010721 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,982.8305

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.

Read SEC document
March 16, 2024 Filed Mar 20, 2024 00:58 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 7,712 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010721 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,960

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.

Read SEC document
March 16, 2024 Filed Mar 20, 2024 00:58 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantCommon Stock (restricted) 7,712 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010721 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,672

F1 · shares: Performance share units (awarded on March 16, 2021) earned and vested as of March 16, 2024.

Read SEC document
March 14, 2024 Filed Mar 19, 2024 01:44 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 816 $254.91 $208,006.56
Disclosure

SEC source: 0001127602-24-010526 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,270.8305

Read SEC document
March 14, 2024 Filed Mar 19, 2024 01:44 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 3,025 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010526 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,086.8305

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.

Read SEC document
March 14, 2024 Filed Mar 19, 2024 01:44 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 3,025 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-010526 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,960

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.

Read SEC document
March 04, 2024 Filed Mar 6, 2024 00:02 UTC Arthur J. Gallagher & Co. AJG · Entity 990 OtherPhantom Stock · Derivative 1,850.86 $243.13 $449,999.59
Disclosure

SEC source: 0001127602-24-008719 · form4.xml · derivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,752.759

Underlying: Common Stock · 1,850.86 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F3 · derivative.exercise_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F3 · derivative.expiration_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

Read SEC document
March 01, 2024 Filed Mar 6, 2024 00:02 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantNon-qualified Stock Option · Derivative 9,210 $0.00 Strike: $243.54 $0.00
Disclosure

SEC source: 0001127602-24-008719 · form4.xml · derivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,210

Underlying: Common Stock · 9,210 shares

Expires 2031-03-01

F1 · derivative.exercise_date: One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionNon-qualified Stock Option · Derivative 14,300 $0.00 Strike: $70.74 $0.00
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · derivative · entry 7

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,300 shares

Expires 2025-03-15

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.

F3 · derivative.exercise_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionNon-qualified Stock Option · Derivative 18,400 $0.00 Strike: $56.86 $0.00
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · derivative · entry 6

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,400 shares

Expires 2024-03-16

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.

F3 · derivative.exercise_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Read SEC document
May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 SaleCommon Stock 32,801 $211.63 $6,941,675.63
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · nonDerivative · entry 5

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4.5877

F2 · price: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $211.22 through $211.93.

Read SEC document
May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 SaleCommon Stock 24,618 $210.64 $5,185,535.52
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,805.5877

F1 · price: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $210.18 to $211.14. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 1 and 2 to this Form 4.

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May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,423.5877

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.

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May 03, 2023 Filed May 5, 2023 20:32 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 18,400 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-014712 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,123.5877

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.

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March 15, 2023 Filed Mar 17, 2023 23:19 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantNon-qualified Stock Option · Derivative 8,815 $0.00 Strike: $177.09 $0.00
Disclosure

SEC source: 0001127602-23-010756 · form4.xml · derivative · entry 5

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,815

Underlying: Common Stock · 8,815 shares

Expires 2030-03-15

F1 · derivative.exercise_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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March 15, 2023 Filed Mar 17, 2023 23:19 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 1,530 $177.09 $270,947.70
Disclosure

SEC source: 0001127602-23-010756 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,649.1604

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March 15, 2023 Filed Mar 17, 2023 23:19 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 3,450 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-010756 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,179.1604

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.

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March 15, 2023 Filed Mar 17, 2023 23:19 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 3,450 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-010756 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,985

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.

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March 12, 2023 Filed Mar 15, 2023 01:21 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 2,873 $182.76 $525,069.48
Disclosure

SEC source: 0001127602-23-010192 · form4.xml · nonDerivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,729.1604

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March 12, 2023 Filed Mar 15, 2023 01:21 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 8,340 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-010192 · form4.xml · nonDerivative · entry 3

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,602.1604

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.

Read SEC document
March 12, 2023 Filed Mar 15, 2023 01:21 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 8,340 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-010192 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,435

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.

Read SEC document
March 12, 2023 Filed Mar 15, 2023 01:21 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantCommon Stock (restricted) 8,340 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-010192 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,775

F1 · shares: Performance share units (awarded on March 12, 2020) earned and vested as of March 12, 2023.

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March 10, 2023 Filed Mar 15, 2023 01:21 UTC Arthur J. Gallagher & Co. AJG · Entity 990 OtherPhantom Stock · Derivative 3,630 $185.95 $674,998.50
Disclosure

SEC source: 0001127602-23-010192 · form4.xml · derivative · entry 6

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,932.874

Underlying: Common Stock · 3,630 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F3 · shares: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F3 · derivative.exercise_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F3 · derivative.expiration_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

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June 07, 2022 Filed Jun 9, 2022 20:23 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionNon-qualified Stock Option · Derivative 4,966 $0.00 Strike: $43.71 $0.00
Disclosure

SEC source: 0001127602-22-017129 · form4.xml · derivative · entry 4

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,966 shares

Expires 2023-03-17

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_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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June 07, 2022 Filed Jun 9, 2022 20:23 UTC Arthur J. Gallagher & Co. AJG · Entity 990 SaleCommon Stock 4,966 $162.04 $804,690.64
Disclosure

SEC source: 0001127602-22-017129 · form4.xml · nonDerivative · entry 2

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,160.0635

F1 · price: The price reported is an average weighted price. The shares were sold in multiple transactions at prices ranging from $162.00 to $162.29. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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June 07, 2022 Filed Jun 9, 2022 20:23 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 4,966 $43.71 $217,063.86
Disclosure

SEC source: 0001127602-22-017129 · form4.xml · nonDerivative · entry 1

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,126.0635

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.

Read SEC document
March 16, 2022 Filed Mar 17, 2022 00:59 UTC Arthur J. Gallagher & Co. AJG · Entity 990 OtherPhantom Stock · Derivative 2,843.4 $158.26 $449,996.48
Disclosure

SEC source: 0001127602-22-009552 · form4.xml · derivative · entry 10

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,245.058

Underlying: Common Stock · 2,843.4 shares

Expires not disclosed

F3 · derivative.exercise_price: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F4 · shares: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F4 · derivative.exercise_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F4 · derivative.expiration_date: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

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March 16, 2022 Filed Mar 17, 2022 00:59 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Tax withholdingCommon Stock 1,705 $162.67 $277,352.35
Disclosure

SEC source: 0001127602-22-009552 · form4.xml · nonDerivative · entry 7

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,116.1338

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March 16, 2022 Filed Mar 17, 2022 00:59 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock 3,850 $0.00 $0.00
Disclosure

SEC source: 0001127602-22-009552 · form4.xml · nonDerivative · entry 6

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,821.1338

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.

Read SEC document
March 16, 2022 Filed Mar 17, 2022 00:59 UTC Arthur J. Gallagher & Co. AJG · Entity 990 Exercise / conversionCommon Stock (restricted) 3,850 $0.00 $0.00
Disclosure

SEC source: 0001127602-22-009552 · form4.xml · nonDerivative · entry 5

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,435

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.

Read SEC document
March 15, 2022 Filed Mar 17, 2022 00:59 UTC Arthur J. Gallagher & Co. AJG · Entity 990 GrantNon-qualified Stock Option · Derivative 9,875 $0.00 Strike: $158.56 $0.00
Disclosure

SEC source: 0001127602-22-009552 · form4.xml · derivative · entry 9

Pietrucha Susan E · CIK 0001386997 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,875

Underlying: Common Stock · 9,875 shares

Expires 2029-03-15

F2 · derivative.exercise_date: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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