FFIV

SEC source: 0001209191-19-007471 · doc4.xml · derivative · entry 4

SPRAGUE KARA LYNN · CIK 0001720763 · Sr. VP, General Manager of ADC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,683

Underlying: Common Stock · 1,243 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, 2017 award of service-based Restricted Stock Units vests twenty five percent (25%) on November 1, 2018, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007471 · doc4.xml · nonDerivative · entry 1

SPRAGUE KARA LYNN · CIK 0001720763 · Sr. VP, General Manager of ADC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,097

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, 2017 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007467 · doc4.xml · derivative · entry 3

Pelzer Francis J. · CIK 0001492125 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,399

Underlying: Common Stock · 581 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, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007467 · doc4.xml · nonDerivative · entry 1

Pelzer Francis J. · CIK 0001492125 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 581

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, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007461 · doc4.xml · derivative · entry 8

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,195

Underlying: Common Stock · 1,745 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, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007461 · doc4.xml · derivative · entry 7

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,143

Underlying: Common Stock · 1,349 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 May 1, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning August 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: 0001209191-19-007461 · doc4.xml · derivative · entry 6

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,416

Underlying: Common Stock · 491 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, 2017 award of service-based Restricted Stock Units vests twenty five percent (25%) on May 1, 2018 and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning August 1, 2018.

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: 0001209191-19-007461 · doc4.xml · derivative · entry 5

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,848

Underlying: Common Stock · 3,769 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 May 1, 2017 award of service-based Restricted Stock Units vests thirty-three and one third percent (33 1/3%) on May 1, 2018 and the remaining sixty-six and two thirds percent (66 2/3%) vests in eight equal quarterly increments beginning August 1, 2018.

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: 0001209191-19-007461 · doc4.xml · derivative · entry 4

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,678

Underlying: Common Stock · 1,425 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, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2018.

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: 0001209191-19-007461 · doc4.xml · nonDerivative · entry 1

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,639

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, 2017, November 1, 2017 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007445 · doc4.xml · derivative · entry 5

FOUNTAIN THOMAS DEAN · CIK 0001728330 · EVP and Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,549

Underlying: Common Stock · 5,516 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: Twenty five percent (25%) of this February 1, 2018 award of service-based Restricted Stock Units vests on February 1, 2019, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning May 1, 2019

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: 0001209191-19-007445 · doc4.xml · derivative · entry 4

FOUNTAIN THOMAS DEAN · CIK 0001728330 · EVP and Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,167

Underlying: Common Stock · 651 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, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007445 · doc4.xml · nonDerivative · entry 1

FOUNTAIN THOMAS DEAN · CIK 0001728330 · EVP and Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,318

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 February 1, 2018 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007439 · doc4.xml · derivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,167

Underlying: Common Stock · 651 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 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007439 · doc4.xml · derivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,954

Underlying: Common Stock · 1,813 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, 2017 award of service-based Restricted Stock Units vests twenty five percent (25%) on November 1, 2018, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007439 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,358

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $160.41 to $161.36. 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: 0001209191-19-007439 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,329

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, 2017 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007433 · doc4.xml · derivative · entry 8

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,514

Underlying: Common Stock · 502 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: 0001209191-19-007433 · doc4.xml · derivative · entry 7

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,608

Underlying: Common Stock · 418 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, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007433 · doc4.xml · derivative · entry 6

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,987

Underlying: Common Stock · 544 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 1, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2018.

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: 0001209191-19-007433 · doc4.xml · derivative · entry 5

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,695

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.

F7 · 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: 0001209191-19-007433 · doc4.xml · derivative · entry 4

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205

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.

F5 · 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.

SEC source: 0001209191-19-007433 · doc4.xml · nonDerivative · entry 3

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,284

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $161.09 to $161.79. 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: 0001209191-19-007433 · doc4.xml · nonDerivative · entry 2

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,893

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $160.07 to $161.04. 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: 0001209191-19-007433 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,083

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, 2015, November 2, 2015, November 1, 2016, November 1, 2017 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007430 · doc4.xml · derivative · entry 6

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,839

Underlying: Common Stock · 349 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 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

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: 0001209191-19-007430 · doc4.xml · derivative · entry 5

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,276

Underlying: Common Stock · 389 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, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2018.

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: 0001209191-19-007430 · doc4.xml · derivative · entry 4

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,396

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.

F5 · 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: 0001209191-19-007430 · doc4.xml · nonDerivative · entry 3

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,197

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

SEC source: 0001209191-19-007430 · doc4.xml · nonDerivative · entry 2

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,297

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $160.28 to $161.04. 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: 0001209191-19-007430 · doc4.xml · nonDerivative · entry 1

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,333

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, 2016, November 1, 2017 and November 1, 2018 awards of service-based Restricted Stock Units.

SEC source: 0001209191-19-007416 · doc4.xml · derivative · entry 1

MEHTA NIKHIL RAMESH · CIK 0001764727 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300

Underlying: Common Stock · 300 shares

Expires not disclosed

F1 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F2 · 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 2018 (to be held in 2019) 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.

F3 · derivative.expiration_date: If the reporting person continues to provide services to the Company through 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: 0001209191-19-007417 · doc4.xml · derivative · entry 1

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300

Underlying: Common Stock · 300 shares

Expires not disclosed

F1 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F2 · 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 2018 (to be held in 2019) 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.

F3 · derivative.expiration_date: If the reporting person continues to provide services to the Company through 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: 0001209191-19-006345 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,849

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

SEC source: 0001209191-19-006344 · doc4.xml · nonDerivative · entry 1

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,860

F1 · shares: Shares acquired based on performance targets for the May 1, 2017 awards of Restricted Stock Units.

SEC source: 0001209191-19-006343 · doc4.xml · nonDerivative · entry 1

Kearny Ryan C. · CIK 0001684581 · CTO & SVP, Product Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,253

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

SEC source: 0001209191-18-059953 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 212

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

SEC source: 0001209191-18-059671 · doc4.xml · nonDerivative · entry 1

BERGERON SANDRA E. · CIK 0001279949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $168.95 to $170.29. 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: 0001209191-18-059160 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256

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

SEC source: 0001209191-18-057907 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309

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

SEC source: 0001209191-18-057908 · doc4.xml · nonDerivative · entry 1

AMES A GARY · CIK 0001214414 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,553

SEC source: 0001209191-18-057417 · doc4.xml · nonDerivative · entry 1

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,152

F1 · price: This transaction was executed in multiple trades at prices ranging from $181.221 to $181.26. 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: 0001209191-18-057415 · doc4.xml · nonDerivative · entry 3

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,519

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

SEC source: 0001209191-18-057415 · doc4.xml · nonDerivative · entry 2

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,931

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $179.5384 to $180.0689. 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: 0001209191-18-057415 · doc4.xml · nonDerivative · entry 1

Locoh-Donou Francois · CIK 0001526624 · Director · President, CEO & Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,961

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

SEC source: 0001209191-18-057413 · doc4.xml · nonDerivative · entry 2

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $179.2373 to $179.775. 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: 0001209191-18-057413 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 355

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

SEC source: 0001209191-18-057140 · doc4.xml · derivative · entry 4

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,980

Underlying: Common Stock · 6,980 shares

Expires not disclosed

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 · security: Concurrent with the award of 6,980 service-based Restricted Stock Units, the Company granted the reporting person additional Restricted Stock Units that vest based on performance targets ("Performance RSUs"). If the performance targets are achieved at 100%, the reporting person will receive 6,980 Performance RSUs over the vesting period; the actual number of Performance RSUs received may be more or less depending on whether and to the extent that performance is greater than or less than targets. The Performance RSUs vests over a three-year period in three equal annual installments. Performance RSUs are not reported in Table II; the underlying shares of Performance RSUs will be reported in Table I if and when the Compensation Committee of the Board of Directors determines that the performance targets have been achieved.

F7 · derivative.exercise_date: This November 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

F4 · derivative.expiration_date: If the reporting person continues to provide services to the Company through 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: 0001209191-18-057140 · doc4.xml · derivative · entry 3

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 332

Underlying: Common Stock · 83 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: The service-based Restricted Stock Units (RSUs) outstanding under this 11/01/2017 grant vest as follows: 83 vest 08/01/2018, 83 vest 11/1/2018, 83 vest 2/1/2019, 83 vest 05/01/2019, 83 vest 08/01/2019, 83 vest 11/01/2019.

F4 · derivative.expiration_date: If the reporting person continues to provide services to the Company through 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: 0001209191-18-057140 · doc4.xml · derivative · entry 2

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,914

Underlying: Common Stock · 212 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: Twenty five percent (25%) of this February 1, 2017 award of service-based Restricted Stock Units vests on February 1, 2018, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning May 1, 2018

F4 · derivative.expiration_date: If the reporting person continues to provide services to the Company through 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.