FFIV

SEC source: 0001209191-17-007451 · doc4.xml · derivative · entry 5

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,779

Underlying: Common Stock · 254 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F7 · derivative.exercise_date: This November 3, 2014 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2015.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007451 · doc4.xml · derivative · entry 4

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,487

Underlying: Common Stock · 297 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F5 · derivative.exercise_date: Twenty five percent (25%) of the May 1, 2014 award of service-based Restricted Stock Units vested on May 1, 2015, and the remaining seventy five percent (75%) vest in twelve equal quarterly increments beginning August 1, 2015.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007451 · doc4.xml · nonDerivative · entry 3

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,948

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $132.89 to $133.68 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007451 · doc4.xml · nonDerivative · entry 2

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,348

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $131.85 to $132.82 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007451 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,354

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 · shares: Shares acquired upon vesting of the May 1, 2014, November 3, 2014, May 1, 2015, November 2, 2015, and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-007436 · doc4.xml · derivative · entry 5

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,735 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.

F2 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F7 · derivative.exercise_date: This November 1, 2013 award of service-based Restricted Stock Units fully vested February 1, 2017.

F4 · derivative.expiration_date: The corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007436 · doc4.xml · derivative · entry 4

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,247 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.

F2 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F6 · derivative.exercise_date: This November 3, 2014 award of service-based Restricted Stock Units fully vested February 1, 2017.

F4 · derivative.expiration_date: The corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007436 · doc4.xml · derivative · entry 3

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,989 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.

F2 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F5 · derivative.exercise_date: This February 1, 2016 award of service-based Restricted Stock Units vests in four equal quarterly increments beginning May 1, 2016.

F4 · derivative.expiration_date: The corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007436 · doc4.xml · derivative · entry 2

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 29,202 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.

F2 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F3 · derivative.exercise_date: This November 1, 2016 award of service-based Restricted Stock fully vested February 1, 2017.

F4 · derivative.expiration_date: The corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007436 · doc4.xml · nonDerivative · entry 1

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,713

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 · shares: Shares acquired upon vesting of the November 1, 2013, November 3, 2014, February 1, 2016, and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-007449 · doc4.xml · derivative · entry 13

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,240

Underlying: Common Stock · 616 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.

F9 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F14 · derivative.exercise_date: This November 1, 2016 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2017.

F11 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007449 · doc4.xml · derivative · entry 12

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,389

Underlying: Common Stock · 762 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.

F9 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F13 · derivative.exercise_date: This November 2, 2015 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2016.

F11 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007449 · doc4.xml · derivative · entry 11

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,625

Underlying: Common Stock · 661 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.

F9 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F12 · derivative.exercise_date: This November 3, 2014 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2015.

F11 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007449 · doc4.xml · derivative · entry 10

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,841

Underlying: Common Stock · 947 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.

F9 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F10 · derivative.exercise_date: This November 1, 2013 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2014.

F11 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 4

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,889

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $133.99 to $134.9899 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 3

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,989

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $132.895 to $133.85 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 2

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,389

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $131.80 to $132.58 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 1

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,393

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 · shares: Shares acquired upon vesting of the November 1, 2013, November 3, 2014, November 2, 2015 and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-007434 · doc4.xml · derivative · entry 5

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,134

Underlying: Common Stock · 342 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F7 · derivative.exercise_date: This November 1, 2016 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2017.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007434 · doc4.xml · derivative · entry 4

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,526

Underlying: Common Stock · 508 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F5 · derivative.exercise_date: The service-based Restricted Stock Units outstanding under this 11/02/2015 grant vest as follows: 508 vest 11/01/2016, 508 vest 02/01/2017, 509 vest 05/01/2017, 508 vest 08/01/2017, and 509 vest 11/01/2017.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007434 · doc4.xml · nonDerivative · entry 3

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 626

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $133.03 to $133.07 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007434 · doc4.xml · nonDerivative · entry 2

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 826

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $131.95 to $132.75 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007434 · doc4.xml · nonDerivative · entry 1

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,472

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 · shares: Shares acquired upon vesting of the November 2, 2015 and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-007431 · doc4.xml · derivative · entry 7

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,240

Underlying: Common Stock · 616 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F9 · derivative.exercise_date: This November 1, 2016 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2017.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007431 · doc4.xml · derivative · entry 6

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,389

Underlying: Common Stock · 762 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F8 · derivative.exercise_date: This November 2, 2015 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2016.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007431 · doc4.xml · derivative · entry 5

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,625

Underlying: Common Stock · 661 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F7 · derivative.exercise_date: This November 3, 2014 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2015.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007431 · doc4.xml · derivative · entry 4

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,841

Underlying: Common Stock · 947 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.

F4 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F5 · derivative.exercise_date: This November 1, 2013 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2014.

F6 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007431 · doc4.xml · nonDerivative · entry 3

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,766

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $132.99 to $133.88 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007431 · doc4.xml · nonDerivative · entry 2

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,266

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $131.85 to $132.73 The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-17-007431 · doc4.xml · nonDerivative · entry 1

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,239

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 · shares: Shares acquired upon vesting of the November 1, 2013, November 3, 2014, November 2, 2015 and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-007429 · doc4.xml · derivative · entry 4

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,961

Underlying: Common Stock · 2,541 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.

F3 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F6 · derivative.exercise_date: This November 2, 2015 award of service-based Restricted Stock Units vests twenty five percent (25%) on November 1, 2016, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning February 1, 2017.

F5 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007429 · doc4.xml · derivative · entry 3

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,240

Underlying: Common Stock · 616 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.

F3 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F4 · derivative.exercise_date: This November 1, 2016 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2017.

F5 · derivative.expiration_date: If the reporting person continues to serve as an officer of the Company on the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

SEC source: 0001209191-17-007429 · doc4.xml · nonDerivative · entry 2

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,612

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-17-007429 · doc4.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,612

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 · shares: Shares acquired upon vesting of the November 2, 2015 and November 1, 2016 awards of service-based Restricted Stock Units.

SEC source: 0001209191-17-006345 · doc4.xml · nonDerivative · entry 1

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,540

F1 · shares: Shares acquired based on performance targets for the February 1, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-006344 · doc4.xml · nonDerivative · entry 1

Kearny Ryan C. · CIK 0001684581 · CTO& EVP, Product & Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 622

F1 · shares: Shares acquired based on performance targets for the November 1, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-006347 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,532

F1 · shares: Shares acquired based on performance targets for the November 3, 2014, May 1, 2015, November 2, 2015 and November 1, 2016 awards of Restricted Stock Units.

SEC source: 0001209191-17-006346 · doc4.xml · nonDerivative · entry 1

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,407

F1 · shares: Shares acquired based on performance targets for the November 1, 2013, November 3, 2014, November 2, 2015 and November 1, 2016 awards of Restricted Stock Units.

SEC source: 0001209191-17-006343 · doc4.xml · nonDerivative · entry 1

EAMES EDWARD JULIAN · CIK 0001132089 · EVP, Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,253

F1 · shares: Shares acquired based on performance targets for the November 1, 2013, November 3, 2014, November 2, 2015 and November 1, 2016 awards of Restricted Stock Units.

SEC source: 0001209191-17-006342 · doc4.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,455

F1 · shares: Shares acquired based on performance targets for the November 1, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-031835 · doc4a.xml · nonDerivative · entry 1

MCADAM JOHN · CIK 0001186031 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,642

F1 · shares: Shares acquired based on performance targets for the February 1, 2016 award of Restricted Stock Units.

F2 · balance_after: This amendment corrects the holdings set forth in column 5 to reflect the transactions reported on the Form 4 filed on November 14, 2016.

SEC source: 0001209191-16-149690 · doc4.xml · nonDerivative · entry 3

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,682

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $140.98 to $141.54. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-16-149690 · doc4.xml · nonDerivative · entry 2

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,961

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $139.49 to $140.34. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-16-149690 · doc4.xml · nonDerivative · entry 1

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,655

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $138.47 to $139.44. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-16-149048 · doc4.xml · nonDerivative · entry 1

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,310

F1 · price: This transaction was executed in multiple trades at prices ranging from $137.46 to $137.53. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-16-148391 · doc4.xml · nonDerivative · entry 3

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,841

F2 · kind: Sale pursuant to the terms of a 10b5-1 trading plan.

SEC source: 0001209191-16-148391 · doc4.xml · nonDerivative · entry 2

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,305

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan. The reported price is the weighted average sale price.

SEC source: 0001209191-16-148391 · doc4.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,594

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan. The reported price is the weighted average sale price.

SEC source: 0001209191-16-148392 · doc4.xml · nonDerivative · entry 3

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,432

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $136.53 to $137.10. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-16-148392 · doc4.xml · nonDerivative · entry 2

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,232

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $135.37 to $136.02. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.