ENTG

SEC source: 0001597133-24-000002 · wk-form4_1714067057.xml · nonDerivative · entry 1

Reeder David · CIK 0001597133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,833

F1 · shares: These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2025 Annual Meeting of Stockholders.

F2 · price: These shares were awarded on April 24, 2024 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

SEC source: 0001846252-24-000002 · wk-form4_1714067206.xml · nonDerivative · entry 1

Clark Rodney · CIK 0001846252 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,224

F1 · shares: These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2025 Annual Meeting of Stockholders.

F2 · price: These shares were awarded on April 24, 2024 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

SEC source: 0001434807-24-000004 · wk-form4_1714067163.xml · nonDerivative · entry 1

LEDERER JAMES P · CIK 0001434807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,545

F1 · shares: These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2025 Annual Meeting of Stockholders.

F2 · price: These shares were awarded on April 24, 2024 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

SEC source: 0001101302-24-000033 · wk-form4_1714067112.xml · nonDerivative · entry 1

SALEKI-GERHARDT AZITA · CIK 0001563545 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,074

F1 · shares: These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2025 Annual Meeting of Stockholders.

F2 · price: These shares were awarded on April 24, 2024 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

SEC source: 0001197452-24-000004 · wk-form4_1712171816.xml · derivative · entry 2

LOY BERTRAND · CIK 0001197452 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,880

Underlying: Common Stock · 65,880 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001197452-24-000004 · wk-form4_1712171816.xml · nonDerivative · entry 1

LOY BERTRAND · CIK 0001197452 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,068

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001786291-24-000005 · wk-form4_1712171854.xml · derivative · entry 2

O'Neill James Anthony · CIK 0001786291 · SVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,804

Underlying: Common Stock · 4,804 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001786291-24-000005 · wk-form4_1712171854.xml · nonDerivative · entry 1

O'Neill James Anthony · CIK 0001786291 · SVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,794.218

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001716139-24-000004 · wk-form4_1712171774.xml · derivative · entry 2

Rice Susan G. · CIK 0001716139 · SVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,048

Underlying: Common Stock · 9,048 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001716139-24-000004 · wk-form4_1712171774.xml · nonDerivative · entry 1

Rice Susan G. · CIK 0001716139 · SVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,426.004

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001811061-24-000004 · wk-form4_1712171716.xml · derivative · entry 2

Colella Joseph · CIK 0001811061 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,480

Underlying: Common Stock · 8,480 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001811061-24-000004 · wk-form4_1712171716.xml · nonDerivative · entry 1

Colella Joseph · CIK 0001811061 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,691.6

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001932881-24-000007 · wk-form4_1712171619.xml · derivative · entry 2

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,240

Underlying: Common Stock · 4,240 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001932881-24-000007 · wk-form4_1712171619.xml · nonDerivative · entry 1

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,403.21

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001485428-24-000004 · wk-form4_1712171679.xml · derivative · entry 2

Shaner William James · CIK 0001485428 · SVP & President, AMH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,220

Underlying: Common Stock · 6,220 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001485428-24-000004 · wk-form4_1712171679.xml · nonDerivative · entry 1

Shaner William James · CIK 0001485428 · SVP & President, AMH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,676

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001977397-24-000002 · wk-form4_1712171575.xml · derivative · entry 2

LaGorga Linda · CIK 0001977397 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,308

Underlying: Common Stock · 11,308 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001977397-24-000002 · wk-form4_1712171575.xml · nonDerivative · entry 1

LaGorga Linda · CIK 0001977397 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,652

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001932852-24-000004 · wk-form4_1712171537.xml · derivative · entry 2

Richards Neil · CIK 0001932852 · SVP, GOSCQ

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,088

Underlying: Common Stock · 5,088 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001932852-24-000004 · wk-form4_1712171537.xml · nonDerivative · entry 1

Richards Neil · CIK 0001932852 · SVP, GOSCQ

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,692

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001891661-24-000004 · wk-form4_1712171497.xml · derivative · entry 2

Blachier Olivier · CIK 0001891661 · SVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,372

Underlying: Common Stock · 5,372 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001891661-24-000004 · wk-form4_1712171497.xml · nonDerivative · entry 1

Blachier Olivier · CIK 0001891661 · SVP, Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,341.76

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001483553-24-000004 · wk-form4_1712171443.xml · derivative · entry 2

Haris Clinton M. · CIK 0001483553 · SVP & President, MC Division

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,784

Underlying: Common Stock · 6,784 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001483553-24-000004 · wk-form4_1712171443.xml · nonDerivative · entry 1

Haris Clinton M. · CIK 0001483553 · SVP & President, MC Division

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,605.33

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001630039-24-000004 · wk-form4_1712171407.xml · derivative · entry 2

Woodland Daniel D. · CIK 0001630039 · President, APS Division

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,916

Underlying: Common Stock · 7,916 shares

Expires 2031-04-01

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3 · derivative.exercise_date: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

SEC source: 0001630039-24-000004 · wk-form4_1712171407.xml · nonDerivative · entry 1

Woodland Daniel D. · CIK 0001630039 · President, APS Division

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,317.61

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001552780-24-000006 · wk-form4_1712171371.xml · nonDerivative · entry 1

Sauer Michael · CIK 0001552780 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,414.707

F1 · shares: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028.

F2 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001434807-24-000002 · wk-form4_1710274645.xml · nonDerivative · entry 1

LEDERER JAMES P · CIK 0001434807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,902

F1 · price: The price reported in column 4 is a weighted average price reported in reliance on a letter from the Office of Chief Counsel, Securities and Exchange Commission's Division of Corporate Finance to the Society of Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $146.18 to $146.27, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001217378-24-000002 · wk-form4_1710188274.xml · nonDerivative · entry 1

GENTILCORE JAMES · CIK 0001217378 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,967

SEC source: 0001101302-24-000014 · wk-form4_1710188239.xml · nonDerivative · entry 1

Reeder David · CIK 0001597133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190

F1 · shares: These Restricted Stock Unites vest in full on the earlier of (1) the anniversary date of the grant, or (2) the date of the Company's 2024 Annual Meeting of Stockholders.

F2 · balance_after: These shares were awarded on March 7, 2024 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

SEC source: 0001552780-24-000004 · wk-form4_1708639384.xml · nonDerivative · entry 1

Sauer Michael · CIK 0001552780 · VP, Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,778.707

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · derivative · entry 12

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,310 shares

Expires 2027-02-19

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.

F7 · price: Awarded pursuant to the Entegris, Inc. 2010 Stock Plan in consideration of services as an employee.

F6 · derivative.exercise_date: This option is fully vested.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · derivative · entry 11

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,060 shares

Expires 2026-02-19

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.

F7 · price: Awarded pursuant to the Entegris, Inc. 2010 Stock Plan in consideration of services as an employee.

F6 · derivative.exercise_date: This option is fully vested.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · derivative · entry 10

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,297 shares

Expires 2025-02-19

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.

F7 · price: Awarded pursuant to the Entegris, Inc. 2010 Stock Plan in consideration of services as an employee.

F6 · derivative.exercise_date: This option is fully vested.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 9

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,947.21

F4 · shares: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

F5 · balance_after: These shares include an aggregate of 373.57 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan during the fiscal year ended December 31, 2023.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 8

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,335.21

F2 · shares: Awarded in connection with the settlement of performance share units for the 2021-2023 performance cycle.

F3 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 7

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,213.21

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 6

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,523.21

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.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 5

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,213.21

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 4

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,273.21

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.

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 3

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,213.21

SEC source: 0001932881-24-000003 · wk-form4_1708553084.xml · nonDerivative · entry 2

Besnard Michael · CIK 0001932881 · SVP, Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,510.21

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.

SEC source: 0001716139-24-000002 · wk-form4_1708552807.xml · nonDerivative · entry 7

Rice Susan G. · CIK 0001716139 · SVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,182.004

F6 · shares: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

SEC source: 0001716139-24-000002 · wk-form4_1708552807.xml · nonDerivative · entry 6

Rice Susan G. · CIK 0001716139 · SVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,179.004

F4 · shares: Awarded in connection with the settlement of performance share units for the 2021-2023 performance cycle.

F5 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001197452-24-000002 · wk-form4_1708552838.xml · nonDerivative · entry 3

LOY BERTRAND · CIK 0001197452 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 224,860

F4 · shares: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

SEC source: 0001197452-24-000002 · wk-form4_1708552838.xml · nonDerivative · entry 2

LOY BERTRAND · CIK 0001197452 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,967

F2 · shares: Awarded in connection with the settlement of performance share units for the 2021-2023 performance cycle.

F3 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001811061-24-000002 · wk-form4_1708552756.xml · nonDerivative · entry 3

Colella Joseph · CIK 0001811061 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,775.6

F4 · shares: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

F5 · balance_after: These shares include 104.78 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan on December 31, 2023.

SEC source: 0001811061-24-000002 · wk-form4_1708552756.xml · nonDerivative · entry 2

Colella Joseph · CIK 0001811061 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,578.82

F2 · shares: Awarded in connection with the settlement of performance share units for the 2021-2023 performance cycle.

F3 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

SEC source: 0001485428-24-000002 · wk-form4_1708552690.xml · nonDerivative · entry 3

Shaner William James · CIK 0001485428 · SVP & President, AMH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,072

F4 · shares: Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

SEC source: 0001485428-24-000002 · wk-form4_1708552690.xml · nonDerivative · entry 2

Shaner William James · CIK 0001485428 · SVP & President, AMH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,415

F2 · shares: Awarded in connection with the settlement of performance share units for the 2021-2023 performance cycle.

F3 · price: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.