FFIV

SEC source: 0001209191-17-029579 · doc4.xml · nonDerivative · entry 3

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,883

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

SEC source: 0001209191-17-029579 · doc4.xml · nonDerivative · entry 2

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,983

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

SEC source: 0001209191-17-029579 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,083

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $127.26 to $128.06. 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: 0001209191-17-029574 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 971

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

SEC source: 0001209191-17-029574 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,071

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $127.26 to $128.04. 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: 0001209191-17-029572 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,253

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-17-029572 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,353

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-17-029572 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,453

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $127.27 to $128.15. 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.

F2 · balance_after: Includes 182 shares acquired on April 28, 2017 under the F5 Networks, Inc. stock purchase plan.

SEC source: 0001209191-17-029571 · doc4.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,926

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-17-029075 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,461

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: 0001209191-17-029073 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 966

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

SEC source: 0001209191-17-029074 · doc4.xml · nonDerivative · entry 1

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,015

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: 0001209191-17-029072 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,730

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: 0001209191-17-029071 · doc4.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,588

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

SEC source: 0001209191-17-019992 · doc4.xml · derivative · entry 3

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019995 · doc4.xml · derivative · entry 3

Klein Peter S · CIK 0001478007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019989 · doc4.xml · derivative · entry 3

Dreyer Michael L · CIK 0001560297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019987 · doc4.xml · derivative · entry 3

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019984 · doc4.xml · derivative · entry 3

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019982 · doc4.xml · derivative · entry 3

BERGERON SANDRA E. · CIK 0001279949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019980 · doc4.xml · derivative · entry 3

AMES A GARY · CIK 0001214414 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-020073 · doc4.xml · derivative · entry 3

Smith Stephen M · CIK 0001395018 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,740

Underlying: Common Stock · 1,740 shares

Expires not disclosed

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

F4 · derivative.exercise_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F4 · derivative.expiration_date: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2017 (to be held in 2018) if the reporting person continues to serve as a director on the vest date, and 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: 0001209191-17-019992 · doc4.xml · derivative · entry 2

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019992 · doc4.xml · nonDerivative · entry 1

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,850

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019995 · doc4.xml · derivative · entry 2

Klein Peter S · CIK 0001478007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019995 · doc4.xml · nonDerivative · entry 1

Klein Peter S · CIK 0001478007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,872

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019989 · doc4.xml · derivative · entry 2

Dreyer Michael L · CIK 0001560297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019989 · doc4.xml · nonDerivative · entry 1

Dreyer Michael L · CIK 0001560297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,618

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019987 · doc4.xml · derivative · entry 2

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019987 · doc4.xml · nonDerivative · entry 1

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,769

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019984 · doc4.xml · derivative · entry 2

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019984 · doc4.xml · nonDerivative · entry 1

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,952

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019982 · doc4.xml · derivative · entry 2

BERGERON SANDRA E. · CIK 0001279949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019982 · doc4.xml · nonDerivative · entry 1

BERGERON SANDRA E. · CIK 0001279949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,160

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-019980 · doc4.xml · derivative · entry 2

AMES A GARY · CIK 0001214414 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-019980 · doc4.xml · nonDerivative · entry 1

AMES A GARY · CIK 0001214414 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,613

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-020073 · doc4.xml · derivative · entry 2

Smith Stephen M · CIK 0001395018 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,540 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 Units represents a contingent right to receive one share of Common Stock of F5 Networks, Inc. on the vest date.

F3 · derivative.expiration_date: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 8, 2017.

SEC source: 0001209191-17-020073 · doc4.xml · nonDerivative · entry 1

Smith Stephen M · CIK 0001395018 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,160

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 received upon vesting of the March 10, 2016 award of Restricted Stock Units.

SEC source: 0001209191-17-009884 · doc4.xml · nonDerivative · entry 2

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,851

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $140.13 to $140.21. 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: 0001209191-17-009884 · doc4.xml · nonDerivative · entry 1

MCADAM JOHN · CIK 0001186031 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,551

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $139.12 to $140.08. 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: 0001209191-17-009034 · doc4.xml · nonDerivative · entry 1

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,229

SEC source: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 8

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,051

F8 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $134.63 to $134.65 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 7

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,251

F7 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $133.55 to $134.53 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: 0001209191-17-007449 · doc4.xml · nonDerivative · entry 6

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,889

F6 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $132.25 to $133.18 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 5

Reinland Andrew · CIK 0001342165 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,489

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $130.95 to $131.70 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: 0001209191-17-013475 · doc4a.xml · nonDerivative · entry 2

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,977

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan in connection with a sell to cover taxes transaction with respect to the shares acquired upon vesting of awards reported on the reporting person's original Form 4 filed on February 3, 2017. This trade was inadvertently omitted from such report.

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $131.53 to $132.37. 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: 0001209191-17-013475 · doc4a.xml · nonDerivative · entry 1

DiLullo John D · CIK 0001346345 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,989

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan in connection with a sell to cover taxes transaction with respect to the shares acquired upon vesting of awards reported on the reporting person's original Form 4 filed on February 3, 2017. This trade was inadvertently omitted from such report.

SEC source: 0001209191-17-007451 · doc4.xml · derivative · entry 8

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,530

Underlying: Common Stock · 501 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.

F10 · 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: 0001209191-17-007451 · doc4.xml · derivative · entry 7

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,214

Underlying: Common Stock · 565 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 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: 0001209191-17-007451 · doc4.xml · derivative · entry 6

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,844

Underlying: Common Stock · 205 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 May 1, 2015 award of service-based Restricted Stock Units vests in sixteen 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.