LOGI

SEC source: 0001475223-26-000004 · form4-09142026_090946.xml · nonDerivative · entry 4

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,097

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

F5 · price: Reflects weighted average sale price. Actual sale prices ranged from $102.755 to $102.805. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001475223-26-000004 · form4-09142026_090946.xml · nonDerivative · entry 3

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,597

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

F4 · price: Reflects weighted average sale price. Actual sale prices ranged from $101.75 to $102.70. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001475223-26-000004 · form4-09142026_090946.xml · nonDerivative · entry 2

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,481

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

F3 · price: Reflects weighted average sale price. Actual sale prices ranged from $100.74 to $101.72. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001475223-26-000004 · form4-09142026_090946.xml · nonDerivative · entry 1

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,311

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $99.73 to $100.69. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001943789-26-000002 · form4-09112026_100956.xml · nonDerivative · entry 1

Zahnd Sascha · CIK 0001943789 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,230

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001234048-26-000002 · form4-09112026_100922.xml · nonDerivative · entry 1

Thomas Deborah · CIK 0001234048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,805

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001944375-26-000002 · form4-09112026_100932.xml · nonDerivative · entry 1

Ng Kwok Wang · CIK 0001944375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,427

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001716048-26-000002 · form4-09112026_100917.xml · nonDerivative · entry 1

Montgomery Neela · CIK 0001716048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,578

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0002016236-26-000004 · form4-09112026_100923.xml · nonDerivative · entry 1

Mahoney Owen · CIK 0002016236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,224

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001750258-26-000002 · form4-09112026_100914.xml · nonDerivative · entry 1

LAO MARJORIE · CIK 0001750258 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,692

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001679624-26-000002 · form4-09112026_100902.xml · nonDerivative · entry 1

Jones Christopher Richardson · CIK 0001679624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,121

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001116233-26-000003 · form4-09112026_100950.xml · nonDerivative · entry 1

GECHT GUY · CIK 0001116233 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,934

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001652550-26-000002 · form4-09112026_100914.xml · nonDerivative · entry 1

Bugnion Edouard · CIK 0001652550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,896

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001379111-26-000002 · form4-09112026_100914.xml · nonDerivative · entry 1

Allan Donald · CIK 0001379111 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,189

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.66, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23571, as in effect on September 9, 2026.

SEC source: 0001943789-26-000001 · form4-09102026_080947.xml · nonDerivative · entry 1

Zahnd Sascha · CIK 0001943789 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,366

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001234048-26-000001 · form4-09102026_080913.xml · nonDerivative · entry 1

Thomas Deborah · CIK 0001234048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,519

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001944375-26-000001 · form4-09102026_080942.xml · nonDerivative · entry 1

Ng Kwok Wang · CIK 0001944375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,563

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001716048-26-000001 · form4-09102026_080922.xml · nonDerivative · entry 1

Montgomery Neela · CIK 0001716048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,299

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0002016236-26-000003 · form4-09102026_080910.xml · nonDerivative · entry 2

Mahoney Owen · CIK 0002016236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,943

F2 · shares: Shares issued to the Reporting Person under the Logitech International S.A. 2006 Stock Incentive Plan in lieu of cash compensation for Board fees, at the election of the Reporting Person.

F3 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.44, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23487, as in effect on September 8, 2026.

SEC source: 0002016236-26-000003 · form4-09102026_080910.xml · nonDerivative · entry 1

Mahoney Owen · CIK 0002016236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,130

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001750258-26-000001 · form4-09102026_080932.xml · nonDerivative · entry 1

LAO MARJORIE · CIK 0001750258 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,411

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001679624-26-000001 · form4-09102026_080922.xml · nonDerivative · entry 1

Jones Christopher Richardson · CIK 0001679624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,841

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001116233-26-000001 · form4-09102026_080922.xml · nonDerivative · entry 1

GECHT GUY · CIK 0001116233 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,519

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001652550-26-000001 · form4-09102026_080923.xml · nonDerivative · entry 1

Bugnion Edouard · CIK 0001652550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,034

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001379111-26-000001 · form4-09102026_080930.xml · nonDerivative · entry 2

Allan Donald · CIK 0001379111 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,774

F2 · shares: Shares issued to the Reporting Person under the Logitech International S.A. 2006 Stock Incentive Plan in lieu of cash compensation for Board fees, at the election of the Reporting Person.

F3 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 79.44, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.23487, as in effect on September 8, 2026.

SEC source: 0001379111-26-000001 · form4-09102026_080930.xml · nonDerivative · entry 1

Allan Donald · CIK 0001379111 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,752

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001475223-26-000003 · form4-08172026_080820.xml · nonDerivative · entry 2

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,362

F2 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to PSUs.

SEC source: 0001475223-26-000003 · form4-08172026_080820.xml · nonDerivative · entry 1

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,074

F1 · shares: These shares were acquired pursuant to the vesting of performance share units (PSUs). The number of PSUs that vested was determined based on Logitech's inventory turns and cash flow from operations, each over a three-year period from July 1, 2023 to June 30, 2026 with the last tranche vesting on August 15, 2026.

SEC source: 0001880606-26-000003 · form4-08032026_080853.xml · nonDerivative · entry 1

Faber Johanna W. · CIK 0001880606 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,905

F1 · kind: The shares were acquired under the Issuer's Employee Share Purchase Plan (ESPP) in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: In accordance with the ESPP, these shares were purchased at 85% of the closing price of the Issuer's registered shares on February 2, 2026.

SEC source: 0001475223-26-000002 · form4-05192026_080554.xml · nonDerivative · entry 2

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,827

F2 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to PSUs.

SEC source: 0001475223-26-000002 · form4-05192026_080554.xml · nonDerivative · entry 1

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,175

F1 · shares: These shares were acquired pursuant to the vesting of performance share units (PSUs). The number of PSUs that vested was determined based on Logitech's average revenue growth in constant currency, non-GAAP operating income, total shareholder return (TSR) relative to the other companies in the Russell 3000 index, each over a three-year period from April 1, 2023 through March 31, 2026.

SEC source: 0001688974-26-000003 · form4-04232026_100457.xml · nonDerivative · entry 1

Anversa Matteo · CIK 0001688974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,558

F1 · shares: Each share is represented by a restricted stock unit (RSU). Each RSU represents the right to receive, following vesting, one Logitech share. 1/4th of the RSUs will vest on April 15, 2027 and each one-year anniversary thereafter.

SEC source: 0001475223-26-000001 · form4-04232026_100451.xml · nonDerivative · entry 1

Harnett Samantha · CIK 0001475223 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,022

F1 · shares: Each share is represented by a restricted stock unit (RSU). Each RSU represents the right to receive, following vesting, one Logitech share. 1/4th of the RSUs will vest on April 15, 2027 and each one-year anniversary thereafter.

SEC source: 0001688974-26-000002 · form4a-03172026_090316.xml · nonDerivative · entry 1

Anversa Matteo · CIK 0001688974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,602

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

F2 · ownership.direct: This amendment is being filed solely to add the Reporting Person's power of attorney as an exhibit to the original Form 4 filing, which otherwise remains unchanged. The Reporting Person has re-reported his direct holdings of the Issuer's common stock solely to gain access to the SEC's electronic filing system.

SEC source: 0001688974-26-000001 · form4-03172026_080348.xml · nonDerivative · entry 1

Anversa Matteo · CIK 0001688974 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,602

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001880606-26-000002 · form4-02182026_090224.xml · nonDerivative · entry 1

Faber Johanna W. · CIK 0001880606 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,815

F1 · kind: In an exempt disposition to the Issuer under rule 16b-3(e), the recipient remitted shares to the Issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported RSUs.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 68.46, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.30012, as in effect on February 13, 2026.

SEC source: 0001880606-26-000001 · form4-02032026_110211.xml · nonDerivative · entry 1

Faber Johanna W. · CIK 0001880606 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,203

F1 · kind: The shares were acquired under the Issuer's Employee Share Purchase Plan (ESPP) in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: In accordance with the ESPP, these shares were purchased at 85% of the closing price of the Issuer's registered shares on January 30, 2026.

SEC source: 0001716048-25-000004 · form4-11042025_121149.xml · nonDerivative · entry 1

Montgomery Neela · CIK 0001716048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,781

SEC source: 0001813492-25-000005 · form4-09172025_090907.xml · derivative · entry 3

Arunkundrum Prakash · CIK 0001813492 · SEE REMARKS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,692

Underlying: Registered Shares · 5,000 shares

Expires 2029-03-15

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.

F1 · kind: Effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2025.

F2 · derivative.exercise_date: This stock option for a total number of 64,923 underlying shares was granted on March 15, 2019. The option vested as follows: 16,231 shares on each of March 15, 2020 and March 15, 2021, and 32,461 shares on March 15, 2022.

SEC source: 0001813492-25-000005 · form4-09172025_090907.xml · nonDerivative · entry 2

Arunkundrum Prakash · CIK 0001813492 · SEE REMARKS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,437

F1 · kind: Effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2025.

SEC source: 0001813492-25-000005 · form4-09172025_090907.xml · nonDerivative · entry 1

Arunkundrum Prakash · CIK 0001813492 · SEE REMARKS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,437

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 · kind: Effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2025.

SEC source: 0001415889-25-024318 · form4-09112025_110944.xml · nonDerivative · entry 1

Mahoney Owen · CIK 0002016236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,274

F1 · kind: Shares issued to the Reporting Person under the Logitech International S.A. 2006 Stock Incentive Plan in lieu of a portion of cash compensation for Board fees, at the election of the Reporting Person.

F2 · price: The reported amount represents the closing price on the SIX Swiss Exchange of CHF 85.56, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.25832, as in effect on September 9, 2025.

SEC source: 0001415889-25-024393 · form4-09122025_080938.xml · nonDerivative · entry 1

Zahnd Sascha · CIK 0001943789 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,848

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024391 · form4-09122025_080942.xml · nonDerivative · entry 1

Ng Kwok Wang · CIK 0001944375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,045

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024392 · form4-09122025_080938.xml · nonDerivative · entry 1

Thomas Deborah · CIK 0001234048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,001

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024386 · form4-09122025_080954.xml · nonDerivative · entry 1

LAO MARJORIE · CIK 0001750258 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,893

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024389 · form4-09122025_080950.xml · nonDerivative · entry 1

Montgomery Neela · CIK 0001716048 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,614

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024387 · form4-09122025_080954.xml · nonDerivative · entry 1

Mahoney Owen · CIK 0002016236 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,612

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024385 · form4-09122025_080903.xml · nonDerivative · entry 1

Jones Christopher Richardson · CIK 0001679624 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,323

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.

SEC source: 0001415889-25-024382 · form4-09122025_080902.xml · nonDerivative · entry 1

Bugnion Edouard · CIK 0001652550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,516

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next year's annual general meeting to the extent that the director is not re-elected at such meeting and is still providing service to the Issuer up to such meeting.