AS

SEC source: 0001988894-26-000089 · wk-form4_1789644210.xml · derivative · entry 3

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 402,495 shares

Expires 2029-11-27

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.

F3 · derivative.exercise_date: Reflects vested stock options to purchase ordinary shares of the Issuer granted on September 1, 2020 pursuant to the Amer Sports, Inc. 2019 Stock Option Plan Rules (as amended from time to time, the "2019 ESOP"). The stock options became fully vested and exercisable as follows: (i) 84,524 on February 1, 2024, (ii) 28,175 on September 1, 2024, (ii) 28,174 on September 1, 2025, (iv) 133,428 on February 1, 2024 and (v) 128,194 on February 27, 2026.

SEC source: 0001988894-26-000089 · wk-form4_1789644210.xml · nonDerivative · entry 2

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 434,855

F1 · shares: Shares sold pursuant to a sell to cover transaction to cover the exercise price of the stock options plus any related taxes and trading fees.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.54 to $26.663, 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: 0001988894-26-000089 · wk-form4_1789644210.xml · nonDerivative · entry 1

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 552,316

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: 0001769347-26-000014 · wk-form4_1788390559.xml · nonDerivative · entry 2

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,575

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

SEC source: 0001769347-26-000014 · wk-form4_1788390559.xml · derivative · entry 3

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,028

Underlying: Ordinary Shares · 4,514 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F3 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on September 1, 2025, which are scheduled to vest in equal installments on September 1, 2026, September 1, 2027 and September 1, 2028, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement. These restricted stock units were previously incorrectly reported on the Reporting Person's Form 3 as having been granted on April 1, 2025.

F3 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on September 1, 2025, which are scheduled to vest in equal installments on September 1, 2026, September 1, 2027 and September 1, 2028, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement. These restricted stock units were previously incorrectly reported on the Reporting Person's Form 3 as having been granted on April 1, 2025.

SEC source: 0001769347-26-000014 · wk-form4_1788390559.xml · nonDerivative · entry 1

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,597

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000082 · wk-form4_1780658802.xml · derivative · entry 3

Zheng Jie (James) · CIK 0002040696 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,206

Underlying: Ordinary Shares · 500,000 shares

Expires 2029-11-27

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_date: Reflects vested stock options to purchase ordinary shares of the Issuer granted on July 1, 2023 pursuant to the Amer Sports, Inc. 2019 Stock Option Plan Rules (as amended from time to time, the "2019 ESOP"). These stock options became fully vested and exercisable on February 27, 2026.

SEC source: 0001988894-26-000082 · wk-form4_1780658802.xml · nonDerivative · entry 2

Zheng Jie (James) · CIK 0002040696 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,262,385

F1 · 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 $34.82, 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: 0001988894-26-000082 · wk-form4_1780658802.xml · nonDerivative · entry 1

Zheng Jie (James) · CIK 0002040696 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,762,385

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: 0001988894-26-000077 · wk-form4_1780398559.xml · derivative · entry 4

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 499,982

Underlying: Ordinary Shares · 200,000 shares

Expires 2029-11-27

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.

F3 · derivative.exercise_date: Reflects vested stock options to purchase ordinary shares of the Issuer granted on January 16, 2021 pursuant to the Amer Sports, Inc. 2019 Stock Option Plan Rules (as amended from time to time, the "2019 ESOP"). These stock options became fully vested and exercisable on February 1, 2024.

SEC source: 0001988894-26-000077 · wk-form4_1780398559.xml · nonDerivative · entry 3

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.33 to $35.53, 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: 0001988894-26-000077 · wk-form4_1780398559.xml · nonDerivative · entry 2

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,275

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.32 to $35.89, 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: 0001988894-26-000077 · wk-form4_1780398559.xml · nonDerivative · entry 1

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,275

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: 0001988894-26-000080 · wk-form4_1780483762.xml · nonDerivative · entry 1

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,821

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.62 to $35.64, 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: 0001769347-26-000011 · wk-form4_1779919347.xml · derivative · entry 4

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,984

Underlying: Ordinary Shares · 97,485 shares

Expires 2029-12-31

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: Reflects stock options to purchase ordinary shares of the Issuer granted on April 20, 2023 pursuant to the Amer Sports, Inc. 2023 Stock Option Plan Rules (as amended from time to time, the "2023 ESOP"). 42,485 of these stock options became fully vested and exercisable on April 20, 2026. The other 115,984 options became fully vested and exercisable on February 27, 2026.

SEC source: 0001769347-26-000011 · wk-form4_1779919347.xml · nonDerivative · entry 3

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,083

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.74 to $36.82, 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: 0001769347-26-000011 · wk-form4_1779919347.xml · nonDerivative · entry 2

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,828

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.62 to $36.85, 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: 0001769347-26-000011 · wk-form4_1779919347.xml · nonDerivative · entry 1

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,313

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: 0001988894-26-000068 · wk-form4_1778878057.xml · derivative · entry 1

Teffner Carrie W. · CIK 0001473684 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,250

Underlying: Ordinary Shares · 5,250 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000072 · wk-form4_1779134747.xml · derivative · entry 1

Yiu Kin Wah Stephen · CIK 0002121468 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,250

Underlying: Ordinary Shares · 5,250 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000070 · wk-form4_1779134669.xml · derivative · entry 1

Salzer Bruno · CIK 0002117808 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,250

Underlying: Ordinary Shares · 5,250 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001820448-26-000005 · wk-form4_1779109365.xml · derivative · entry 1

Spear Catherine Eva · CIK 0001820448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,250

Underlying: Ordinary Shares · 5,250 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects RSUs granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 14, 2026, which are scheduled to vest in full on the earlier of (a) the one-year anniversary of the grant date and (b) the date immediately preceding the date of the Issuer's next Annual Shareholder Meeting, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000061 · wk-form4_1778503237.xml · derivative · entry 2

Spear Catherine Eva · CIK 0001820448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 7,265 shares

Expires not disclosed

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

F2 · derivative.expiration_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

SEC source: 0001988894-26-000061 · wk-form4_1778503237.xml · nonDerivative · entry 1

Spear Catherine Eva · CIK 0001820448 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,338

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000059 · wk-form4_1778503163.xml · derivative · entry 2

Yiu Kin Wah Stephen · CIK 0002121468 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 7,265 shares

Expires not disclosed

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

F2 · derivative.expiration_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

SEC source: 0001988894-26-000059 · wk-form4_1778503163.xml · nonDerivative · entry 1

Yiu Kin Wah Stephen · CIK 0002121468 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,338

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000057 · wk-form4_1778503075.xml · derivative · entry 2

Salzer Bruno · CIK 0002117808 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 7,265 shares

Expires not disclosed

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

F2 · derivative.expiration_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

SEC source: 0001988894-26-000057 · wk-form4_1778503075.xml · nonDerivative · entry 1

Salzer Bruno · CIK 0002117808 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,338

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000066 · wk-form4_1778796069.xml · derivative · entry 2

Teffner Carrie W. · CIK 0001473684 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 7,265 shares

Expires not disclosed

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

F2 · derivative.expiration_date: The RSUs were granted on May 8, 2025 and vested in full on May 8, 2026. The Form 3 filed on March 18, 2026 inadvertently reported that the RSUs were scheduled to vest on May 7, 2026.

SEC source: 0001988894-26-000066 · wk-form4_1778796069.xml · nonDerivative · entry 1

Teffner Carrie W. · CIK 0001473684 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,338

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 ("RSU") represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0002048997-26-000004 · wk-form4_1777640064.xml · derivative · entry 1

Karlsson Jutta C · CIK 0002048997 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,180

Underlying: Ordinary Shares · 5,180 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001769347-26-000009 · wk-form4_1777639967.xml · derivative · entry 1

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,357

Underlying: Ordinary Shares · 30,357 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in generally equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in generally equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000052 · wk-form4_1777891051.xml · derivative · entry 1

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,934

Underlying: Ordinary Shares · 7,934 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on May 1, 2026, which are scheduled to vest in equal installments on the first and second anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000050 · wk-form4_1776387539.xml · nonDerivative · entry 2

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,275

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.08 to $36.45, 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: 0001769347-26-000007 · wk-form4_1776371611.xml · nonDerivative · entry 2

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,828

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.08 to $36.45, 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: 0002048997-26-000002 · wk-form4_1776425864.xml · nonDerivative · entry 2

Karlsson Jutta C · CIK 0002048997 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,791

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.08 to $36.45, 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: 0001988894-26-000046 · wk-form4_1776284426.xml · derivative · entry 2

Zheng Jie (James) · CIK 0002040696 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,350

Underlying: Ordinary Shares · 33,350 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan ("the 2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan ("the 2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000046 · wk-form4_1776284426.xml · nonDerivative · entry 1

Zheng Jie (James) · CIK 0002040696 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,262,385

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000050 · wk-form4_1776387539.xml · derivative · entry 3

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,264

Underlying: Ordinary Shares · 21,265 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F4 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in generally equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F4 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in generally equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000050 · wk-form4_1776387539.xml · nonDerivative · entry 1

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,713

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000048 · wk-form4_1776345287.xml · derivative · entry 2

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,089

Underlying: Ordinary Shares · 6,089 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F2 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F2 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001988894-26-000048 · wk-form4_1776345287.xml · nonDerivative · entry 1

Chen Wen-Chang (Victor) · CIK 0002065419 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,896

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001769347-26-000007 · wk-form4_1776371611.xml · derivative · entry 3

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,750

Underlying: Ordinary Shares · 13,750 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F4 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F4 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0001769347-26-000007 · wk-form4_1776371611.xml · nonDerivative · entry 1

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,833

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0002048997-26-000002 · wk-form4_1776425864.xml · derivative · entry 3

Karlsson Jutta C · CIK 0002048997 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,484

Underlying: Ordinary Shares · 1,485 shares

Expires not disclosed

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F4 · derivative.exercise_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in generally equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F4 · derivative.expiration_date: Reflects restricted stock units granted under the Amer Sports, Inc. 2024 Omnibus Incentive Plan (the "2024 Omnibus Plan") on April 15, 2024, which are scheduled to vest in generally equal installments on the second and third anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

SEC source: 0002048997-26-000002 · wk-form4_1776425864.xml · nonDerivative · entry 1

Karlsson Jutta C · CIK 0002048997 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,453

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 represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

SEC source: 0001988894-26-000042 · wk-form4_1775166062.xml · nonDerivative · entry 2

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,448

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.11 to $33.41, 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: 0001769347-26-000004 · wk-form4_1775164649.xml · nonDerivative · entry 2

Page Andrew E · CIK 0001769347 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,083

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.11 to $33.41, 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: 0001988894-26-000044 · wk-form4_1775214401.xml · nonDerivative · entry 2

Karlsson Jutta C · CIK 0002048997 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,968

F2 · kind: Shares sold pursuant to a sell to cover transaction to satisfy tax withholding obligations upon the vesting of equity awards. The sales were executed automatically pursuant to a sell to cover arrangement and do not represent a discretionary trade by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.11 to $33.41, 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: 0001988894-26-000042 · wk-form4_1775166062.xml · derivative · entry 4

Haselden Stuart · CIK 0001631478 · CEO of Arc'teryx Equipment

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,631

Underlying: Ordinary Shares · 36,631 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one Ordinary Share of Amer Sports, Inc.

F5 · derivative.exercise_date: Reflects restricted stock units granted under the 2024 Omnibus Plan granted on April 1, 2026, which are scheduled to vest in generally equal installments on the first three anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.

F5 · derivative.expiration_date: Reflects restricted stock units granted under the 2024 Omnibus Plan granted on April 1, 2026, which are scheduled to vest in generally equal installments on the first three anniversaries of the grant date, subject to the terms of the 2024 Omnibus Plan and the applicable award agreement.