KURTZWEIL JOHN T

SEC source: 0001184588-26-000004 · form4-05202026_050512.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,990

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $138.7600 to $139.1300, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F2 · balance_after: Of the shares held after this sale on May 19, 2026, 1,440 shares were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001184588-26-000002 · form4-05182026_050505.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,490

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2026. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2027.

F2 · balance_after: Of the shares held as of May 15, 2026, 1,440 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001415889-25-013958 · form4-05212025_050501.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,050

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $61.72 to $62.22, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F2 · balance_after: Of the shares held as of May 20, 2025, 3,586 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001415889-25-013214 · form4-05152025_050510.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,732

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2025. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2026.

F2 · balance_after: Of the shares held as of May 15, 2025, 3,586 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001415889-24-013742 · form4-05202024_040513.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,146

F1 · balance_after: Of the shares held as of May 20, 2024, 1,662 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001415889-24-013221 · form4-05152024_040514.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,846

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2024. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2025.

F2 · balance_after: Of the shares held as of May 15, 2024, 1,162 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001415889-24-013329 · form4a-05162024_040540.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,346

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2024. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2025.

F2 · balance_after: Of the shares held as of May 15, 2024, 1,662 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001184588-23-000004 · wk-form4_1686773635.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,097

F1 · kind: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units.

SEC source: 0001184588-23-000002 · wk-form4_1686343924.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,544

F1 · kind: Represents a grant of restricted stock units ("RSUs"). The RSUs vest on the date immediately preceding the next occurring annual meeting of the Issuer's stockholders, contingent on the reporting person's continued service on such vesting date.

SEC source: 0001209191-23-030585 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,684

F1 · balance_after: Of the shares held as of May 18, 2023, 1,282 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-23-029794 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,373

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on May 15, 2024.

F2 · balance_after: Of the shares held after this grant on of May 15, 2023, 3,971 shares were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-22-060476 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,091

F1 · balance_after: Of the shares held as of December 8, 2022, 2,689 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001819974-22-000033 · wf-form4_165428931501710.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,484

F1 · kind: Represents a grant of restricted stock units ("RSUs"). The RSUs vest on the date immediately preceding the next occurring annual meeting of the Issuer's stockholders, contingent on the reporting person's continued service on such vesting date.

SEC source: 0001209191-22-029143 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,128

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on May 16, 2023.

F2 · balance_after: Of the shares held after this grant on of May 16, 2022, 2,689 shares were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-21-066106 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,439

F1 · kind: This sale of shares was made to cover the tax liability incident to the vesting of shares on November 17, 2021 under a restricted stock unit granted to the director on May 17, 2021.

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $64.52 to $64.58, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-21-033175 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,936

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on November 17, 2021.

F2 · balance_after: Of the shares held after this grant on of May 17, 2021, 3,497 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0000899243-21-016776 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,537

F1 · kind: Represents a grant of restricted stock units ("RSUs"). The RSUs vest on the date immediately preceding the next occurring annual meeting of the Issuer's stockholders, contingent on the reporting person's continued service on such vesting date.

SEC source: 0001209191-20-060270 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,439

F1 · kind: This sale of 3,000 shares was made to cover the tax liability incident to the vesting of 6,881 shares on November 15, 2020 under a restricted stock unit granted to the director on May 15, 2020.

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $27.51 to $27.54, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-029480 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,439

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on November 15, 2020.

F2 · balance_after: Of the shares held as of May 15, 2020, 6,881 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-19-057214 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,558

F1 · kind: This sale of 3,000 shares was made to cover the tax liability incident to the vesting of 6,232 shares on November 15, 2019 under a restricted stock unit granted to the director on May 15, 2019.

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $22.45 to $22.53, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-19-030886 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,558

F1 · kind: This sale of shares was made to cover the tax liability incident to the vesting of shares under a restricted stock unit granted to the director.

F2 · balance_after: Of the shares held as of May 17, 2019, 6,232 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-19-030093 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,958

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on November 15, 2019.

F2 · balance_after: Of the shares held as of May 15, 2019, 6,232 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-18-059708 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,726

F1 · kind: This sale of 2500 shares was made to cover the tax liability incident to the vesting of 5,637 shares on November 16, 2018 under a restricted stock unit granted to the director on May 16, 2018.

F2 · balance_after: Of the shares held as of November 20, 2018, 2,813 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001615774-18-010236 · s113020_form4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,300

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 20, 2017. These shares were sold in order to cover the reporting person's tax liability incurred in connection with the vesting of restricted stock units on September 27, 2018.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.76 to $8.50, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, 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 range set forth in this footnote.

SEC source: 0001209191-18-031400 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,226

F1 · kind: This sale of 900 shares was made to cover the tax liability incident to the vesting of 2,812 shares on May 15, 2018 under a restricted stock unit granted to the director on May 15, 2015.

F2 · balance_after: Of the shares held as of May 18, 2018, 8,450 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-18-030761 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,126

F1 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service on the Board of Directors, these restricted stock units will vest on November 16, 2018.

F2 · balance_after: Of the shares held as of May 16, 2018, 8,450 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001615774-18-000645 · s108856_form4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,800

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 20, 2017. The shares were sold to fund federal and state individual tax obligations.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.11 to $6.24, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, 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 range set forth in this footnote.

SEC source: 0001209191-17-060947 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,498

F1 · kind: This sale of 1,800 shares was made to cover the tax liability incident to the vesting of 3,802 shares on November 17, 2017 under restricted stock units granted to the director on May 17, 2017.

F2 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $34.00 to $34.05, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Of the shares held as of November 15, 2017, 9,427 were issuable on vesting of restricted stock units granted under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001615774-17-005475 · s107640_form4.xml · derivative · entry 2

KURTZWEIL JOHN T · CIK 0001184588 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Common Stock · 75,000 shares

Expires 2027-09-26

F1 · derivative.exercise_date: The option vests in four equal annual installments beginning on September 27, 2018.

SEC source: 0001615774-17-005475 · s107640_form4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,000

SEC source: 0001209191-17-033154 · doc4.xml · nonDerivative · entry 2

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,289

F3 · price: These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan. Assuming continuation of service as a director, 100% of these restricted stock units will vest on November 17, 2017.

F4 · balance_after: Of the shares held on May 17, 2017, 9,427 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.

SEC source: 0001209191-17-033154 · doc4.xml · nonDerivative · entry 1

KURTZWEIL JOHN T · CIK 0001184588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,487

F1 · kind: This sale of 900 shares was made to cover the tax liability incident to the vesting of 2,813 shares on May 15, 2017 under a restricted stock unit granted to the director on May 15, 2015.

F2 · balance_after: Of the shares held as of May 16, 2017, 5,625 were issuable on vesting of restricted stock units granted under the 2012 Equity Incentive Plan and are subject to forfeiture.