LOGI

SEC source: 0001209191-17-033402 · doc4.xml · nonDerivative · entry 1

Stolk Marcel · CIK 0001605214 · Chair, Logitech Eur; SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,761

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2016. The number of PSUs that vested on May 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2017, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-033401 · doc4.xml · nonDerivative · entry 2

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 473,931

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 performance share units that vested on May 15, 2017.

SEC source: 0001209191-17-033401 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 480,437

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2016. The number of PSUs that vested on May 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2017, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-033400 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,204

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 performance share units that vested on May 15, 2017.

SEC source: 0001209191-17-033400 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,531

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2016. The number of PSUs that vested on May 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2017, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-033399 · doc4.xml · nonDerivative · entry 2

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 989,757

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 performance share units that vested on May 15, 2017.

SEC source: 0001209191-17-033399 · doc4.xml · nonDerivative · entry 1

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,004,394

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2016. The number of PSUs that vested on May 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2017, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-030164 · doc4.xml · nonDerivative · entry 2

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,839

F2 · price: The reported amount represents the weighted average sales price on the SIX Swiss Exchange of CHF 33.90, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.00861, as in effect on May 3, 2017. Actual sales prices ranged from CHF 33.80 to CHF 34.15, or U.S. $34.09 to U.S. $34.44. The reporting person undertakes to provide to Logitech, any security holder of Logitech, 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.

SEC source: 0001209191-17-030164 · doc4.xml · nonDerivative · entry 1

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,372

F1 · price: The reported amount represents the weighted average sales price on the SIX Swiss Exchange of CHF 33.97, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.00544, as in effect on May 2, 2017. Actual sales prices ranged from CHF 33.65 to CHF 34.15, or U.S. $33.83 to U.S. $34.34. The reporting person undertakes to provide to Logitech, any security holder of Logitech, 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.

SEC source: 0001209191-17-028817 · doc4.xml · derivative · entry 3

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Registered Shares · 50,000 shares

Expires 2017-10-01

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: The option is exercisable in four equal annual installments. The first installment became exercisable on October 2, 2008 and the next three installments became exercisable on October 2, 2009, October 2, 2010 and October 2, 2011.

SEC source: 0001209191-17-028817 · doc4.xml · nonDerivative · entry 2

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,664

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $32.66 to $32.69. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-028817 · doc4.xml · nonDerivative · entry 1

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,664

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: 0001209191-17-028814 · doc4.xml · nonDerivative · entry 1

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,839

F1 · price: The reported amount represents the sale price on the SIX Swiss Exchange of CHF 32.89, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.00625, as in effect on April 27, 2017.

SEC source: 0001209191-17-027393 · doc4.xml · nonDerivative · entry 4

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,664

F5 · 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 performance share units and previously reported restricted stock units.

SEC source: 0001209191-17-027393 · doc4.xml · nonDerivative · entry 3

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,076

F4 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2015. The number of PSUs that vested on April 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-027393 · doc4.xml · nonDerivative · entry 2

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,599

F3 · security: 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 total shareholder return (TSR) relative to the other companies in the NASDAQ 100 over a three-year period from April 1, 2014 through March 31, 2017.

SEC source: 0001209191-17-027393 · doc4.xml · nonDerivative · entry 1

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,147

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2018, and the next three vest on April 15, 2019, April 15, 2020 and April 15, 2021.

F2 · balance_after: Includes shares acquired under issuer's Employee Share Purchase Plan of 811 shares on January 31, 2017.

SEC source: 0001209191-17-027392 · doc4.xml · nonDerivative · entry 4

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 296,202

F5 · 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 performance share units and previously reported restricted stock units.

F6 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 31.40, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $0.99623, as in effect on April 15, 2017.

SEC source: 0001209191-17-027392 · doc4.xml · nonDerivative · entry 3

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,633

F4 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2015. The number of PSUs that vested on April 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-027392 · doc4.xml · nonDerivative · entry 2

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 296,037

F3 · security: 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 total shareholder return (TSR) relative to the other companies in the NASDAQ 100 over a three-year period from April 1, 2014 through March 31, 2017.

SEC source: 0001209191-17-027392 · doc4.xml · nonDerivative · entry 1

Stolk Marcel · CIK 0001605214 · SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,982

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2018, and the next three vest on April 15, 2019, April 15, 2020 and April 15, 2021.

F2 · balance_after: Includes shares acquired under issuer's Employee Share Purchase Plan of 1,260 shares on January 31, 2017.

SEC source: 0001209191-17-027389 · doc4.xml · nonDerivative · entry 3

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 467,970

F3 · 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 performance share units and previously reported restricted stock units.

SEC source: 0001209191-17-027389 · doc4.xml · nonDerivative · entry 2

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 490,697

F2 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2015. The number of PSUs that vested on April 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-027389 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 478,263

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2018, and the next three vest on April 15, 2019, April 15, 2020 and April 15, 2021.

SEC source: 0001209191-17-027388 · doc4.xml · nonDerivative · entry 4

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 304,414

F4 · 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 performance share units and previously reported restricted stock units.

SEC source: 0001209191-17-027388 · doc4.xml · nonDerivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 320,875

F3 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2015. The number of PSUs that vested on April 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-027388 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,145

F2 · security: 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 total shareholder return (TSR) relative to the other companies in the NASDAQ 100 over a three-year period from April 1, 2014 through March 31, 2017.

SEC source: 0001209191-17-027388 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,733

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2018, and the next three vest on April 15, 2019, April 15, 2020 and April 15, 2021.

SEC source: 0001209191-17-027386 · doc4.xml · nonDerivative · entry 4

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 976,344

F5 · 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 performance share units and previously reported restricted stock units.

SEC source: 0001209191-17-027386 · doc4.xml · nonDerivative · entry 3

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,224,070

F4 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2015. The number of PSUs that vested on April 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-027386 · doc4.xml · nonDerivative · entry 2

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,186,767

F3 · security: 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 total shareholder return (TSR) relative to the other companies in the NASDAQ 100 over a three-year period from April 1, 2014 through March 31, 2017.

SEC source: 0001209191-17-027386 · doc4.xml · nonDerivative · entry 1

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 883,377

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2018, and the next three vest on April 15, 2019, April 15, 2020 and April 15, 2021.

F2 · balance_after: Includes shares acquired under issuer's Employee Share Purchase Plan of 1,260 shares on January 31, 2017.

SEC source: 0001209191-17-023002 · doc4.xml · nonDerivative · entry 3

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 446,015

F3 · 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: 0001209191-17-023002 · doc4.xml · nonDerivative · entry 2

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 458,467

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 performance share units that vested on March 25, 2017.

SEC source: 0001209191-17-023002 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 465,353

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on March 25, 2015. The number of PSUs that vested on March 25, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the second of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-020623 · doc4.xml · derivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Registered Shares · 25,000 shares

Expires 2017-04-02

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: The option is fully vested and exercisable in full.

SEC source: 0001209191-17-020623 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,283

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

SEC source: 0001209191-17-020623 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,283

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: 0001209191-17-020015 · doc4.xml · nonDerivative · entry 1

HUNT NEIL D · CIK 0001393571 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,510

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $29.60 to $29.612. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-019928 · doc4.xml · derivative · entry 6

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Registered Shares · 10,000 shares

Expires 2017-04-02

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: The option is fully vested and exercisable in full.

SEC source: 0001209191-17-019928 · doc4.xml · nonDerivative · entry 4

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,283

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

SEC source: 0001209191-17-019928 · doc4.xml · nonDerivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,283

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: 0001209191-17-019928 · doc4.xml · derivative · entry 5

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Registered Shares · 15,000 shares

Expires 2017-04-02

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: The option is fully vested and exercisable in full.

SEC source: 0001209191-17-019928 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,283

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $29.67 to $29.71. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-019928 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 296,283

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: 0001209191-17-009659 · doc4.xml · nonDerivative · entry 1

AEBISCHER PATRICK · CIK 0001683047 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,200

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

F2 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF $29.05, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.002760, as in effect on February 8, 2017.

SEC source: 0001209191-17-009676 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 446,985

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $29.00 to $29.20. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-000304 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By CRUT

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

F3 · ownership.nature: Shares held by the Guerrino De Luca 2016 Charitable Remainder Unitrust (the "CRUT" or "Charitable Trust") of which the reporting person is the trustee and trustor.

SEC source: 0001209191-17-000304 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By CRUT

Disclosed balance after: 6,900

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $24.90 to $25.00. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

F3 · ownership.nature: Shares held by the Guerrino De Luca 2016 Charitable Remainder Unitrust (the "CRUT" or "Charitable Trust") of which the reporting person is the trustee and trustor.

SEC source: 0001209191-16-157039 · doc4.xml · nonDerivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By CRUT

Disclosed balance after: 20,000

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 9, 2016.

F3 · price: Reflects weighted average sale price. Actual sale prices ranged from $24.76 to $24.86. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

F2 · ownership.nature: Shares held by the Guerrino De Luca 2016 Charitable Remainder Unitrust (the "CRUT" or "Charitable Trust") of which the reporting person is the trustee and trustor.