FFIV

SEC source: 0001209191-18-057140 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 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 February 1, 2017 and November 1, 2017 awards of service-based Restricted Stock Units.

SEC source: 0001209191-18-057135 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,584

Underlying: Common Stock · 5,584 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.

F5 · security: Concurrent with the award of 5,584 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 5,584 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.

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.

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: 0001209191-18-057135 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,926

Underlying: Common Stock · 4,975 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, 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.

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: 0001209191-18-057135 · 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: 5,389

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 award of service-based Restricted Stock Units.

SEC source: 0001209191-18-057129 · doc4.xml · derivative · entry 1

WHITE ANA MARIA · CIK 0001728880 · EVP and Chief HR Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,701

Underlying: Common Stock · 6,701 shares

Expires not disclosed

F1 · security: Concurrent with the award of 6,701 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 6,701 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.

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, 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: 0001209191-18-057124 · doc4.xml · derivative · entry 8

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,818

Underlying: Common Stock · 7,818 shares

Expires not disclosed

F7 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F10 · security: Concurrent with the award of 7,818 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 7,818 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.

F11 · derivative.exercise_date: This November 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

F9 · 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: 0001209191-18-057124 · doc4.xml · derivative · entry 7

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,767

Underlying: Common Stock · 7,255 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.

F7 · 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 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.

F9 · 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 6

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,865

F6 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $179.01 to $179.21. 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 5

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,108

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $177.91 to $178.86. 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,532

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $176.86 to $177.77. 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,632

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $175.86 to $176.50. 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,869

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $174.80 to $175.58. 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: 0001209191-18-057124 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,669

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 award of service-based Restricted Stock Units.

SEC source: 0001209191-18-057127 · doc4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,980

Underlying: Common Stock · 6,980 shares

Expires not disclosed

F1 · 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.

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, 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: 0001209191-18-057118 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,818

Underlying: Common Stock · 7,818 shares

Expires not disclosed

F2 · security: Concurrent with the award of 7,818 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 7,818 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.

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 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: 0001209191-18-057116 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,940

Underlying: Common Stock · 20,940 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.

F8 · security: Concurrent with the award of 20,940 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 20,940 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.

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.

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: 0001209191-18-057116 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,492

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.

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 May 1, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning August 1, 2017.

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: 0001209191-18-057116 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,907

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.

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 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.

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: 0001209191-18-057116 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,617

Underlying: Common Stock · 3,770 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 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.

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: 0001209191-18-057116 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,103

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.

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, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 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.

SEC source: 0001209191-18-057116 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,049

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

SEC source: 0001209191-18-057113 · doc4.xml · derivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,188

Underlying: Common Stock · 4,188 shares

Expires not disclosed

F7 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F12 · security: Concurrent with the award of 4,188 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 4,188 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.

F13 · derivative.exercise_date: This November 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

F9 · 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: 0001209191-18-057113 · doc4.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,665

Underlying: Common Stock · 388 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.

F7 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F11 · derivative.exercise_date: This November 1, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2018.

F9 · 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: 0001209191-18-057113 · doc4.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,301 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.

F7 · 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 100% on November 1, 2018.

F9 · 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: 0001209191-18-057113 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,738

Underlying: Common Stock · 343 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.

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

F9 · 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,913

F6 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $176.86 to $177.83. 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,403

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $178.86 to $179.23. 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,531

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $177.86 to $178.83. 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,639

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $175.86 to $176.82. 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,039

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $174.72 to $175.60. 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: 0001209191-18-057113 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,139

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

SEC source: 0001209191-18-057111 · doc4.xml · derivative · entry 12

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,026

Underlying: Common Stock · 5,026 shares

Expires not disclosed

F6 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F14 · security: Concurrent with the award of 5,026 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 5,026 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.

F15 · derivative.exercise_date: This November 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 11

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,016

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.

F6 · 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 1, 2016 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2017.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 10

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,301 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.

F6 · 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 1, 2016 award of service-based Restricted Stock Units vests 100% on November 1, 2018.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 9

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,531

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.

F6 · security: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F11 · derivative.exercise_date: This November 1, 2017 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2018.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 8

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,260

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.

F6 · 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 2, 2015 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning February 1, 2016.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 7

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410

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.

F6 · 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, 2015 award of service-based Restricted Stock Units vests in sixteen equal quarterly increments beginning August 1, 2015.

F8 · 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: 0001209191-18-057111 · doc4.xml · derivative · entry 6

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 255 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.

F6 · 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.

F8 · 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: 0001209191-18-057111 · doc4.xml · nonDerivative · entry 5

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,584

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $178.41 to $179.29. 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: 0001209191-18-057111 · doc4.xml · nonDerivative · entry 4

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,121

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $177.41 to $178.36. 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: 0001209191-18-057111 · doc4.xml · nonDerivative · entry 3

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,833

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $176.40 to $177.39. 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: 0001209191-18-057111 · doc4.xml · nonDerivative · entry 2

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,241

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $174.83 to $175.81. 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: 0001209191-18-057111 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,141

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 3, 2014, May 1, 2015, November 2, 2015, November 1, 2016 and November 1, 2017 awards of service-based Restricted Stock Units.

SEC source: 0001209191-18-056887 · doc4.xml · nonDerivative · entry 1

Rogers Scot Frazier · CIK 0001588334 · EVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,769

F1 · shares: Shares acquired based on performance targets for the November 3, 2014, May 1, 2015, November 2, 2015, November 1, 2016 and November 1, 2017 awards of Restricted Stock Units.

SEC source: 0001209191-18-056886 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,014

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

SEC source: 0001209191-18-056885 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,107

F1 · shares: Shares acquired based on performance targets for the November 1, 2016 and November 1, 2017 awards of Restricted Stock Units.

SEC source: 0001209191-18-057118 · 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: 151

F1 · kind: Shares acquired on October 31, 2018 under the F5 Networks, Inc. employee stock purchase plan in an exempt transaction pursuant to rule 16b-3(c).

SEC source: 0001209191-18-051346 · doc4.xml · nonDerivative · entry 1

Klein Peter S · CIK 0001478007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,036

SEC source: 0001209191-18-048134 · doc4.xml · nonDerivative · entry 1

Dreyer Michael L · CIK 0001560297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,679

F1 · price: This transaction was executed in multiple trades at prices ranging from $182.83 to $183.25. 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: 0001209191-18-045792 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,673

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