FFIV

SEC source: 0001209191-21-020154 · doc4.xml · nonDerivative · entry 1

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,476

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020149 · doc4.xml · derivative · entry 2

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020149 · doc4.xml · nonDerivative · entry 1

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,383

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020152 · 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 · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020152 · doc4.xml · nonDerivative · entry 1

Klein Peter S · CIK 0001478007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,900

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020147 · 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 · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020147 · doc4.xml · nonDerivative · entry 1

Dreyer Michael L · CIK 0001560297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,543

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020144 · doc4.xml · derivative · entry 2

Buse Elizabeth · CIK 0001428425 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 880 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.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 10, 2021.

SEC source: 0001209191-21-020144 · doc4.xml · nonDerivative · entry 1

Buse Elizabeth · CIK 0001428425 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 880

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 November 2, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020141 · 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 · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020141 · doc4.xml · nonDerivative · entry 1

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,588

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020140 · 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 · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020140 · doc4.xml · nonDerivative · entry 1

BERGERON SANDRA E. · CIK 0001279949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,664

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares received upon vesting of the March 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-020135 · doc4.xml · nonDerivative · entry 1

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,102

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

SEC source: 0001209191-21-020137 · 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 · 2,543 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.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 10, 2021.

SEC source: 0001209191-21-020137 · doc4.xml · nonDerivative · entry 1

AMES A GARY · CIK 0001214414 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,417

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 12, 2020 award of Restricted Stock Units.

SEC source: 0001209191-21-019370 · doc4.xml · nonDerivative · entry 1

FOUNTAIN THOMAS DEAN · CIK 0001728330 · EVP Global Services & Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,935

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

SEC source: 0001209191-21-017657 · doc4.xml · nonDerivative · entry 1

FOUNTAIN THOMAS DEAN · CIK 0001728330 · EVP Global Services & Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,812

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

SEC source: 0001209191-21-016670 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,604

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

SEC source: 0001209191-21-013090 · doc4.xml · nonDerivative · entry 1

HIGGINSON ALAN · CIK 0001186030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,840

SEC source: 0001209191-21-011656 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,689

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

SEC source: 0001209191-21-011655 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,386

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

SEC source: 0001209191-21-009168 · doc4.xml · nonDerivative · entry 1

Lin Geng · CIK 0001780599 · EVP, Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,927

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

SEC source: 0001209191-21-009169 · doc4.xml · nonDerivative · entry 1

BEVIER DEBORAH L · CIK 0001184099 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,045

F1 · price: This transaction was executed in multiple trades at prices ranging from $204.901 to $204.950. 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: 0001209191-21-007684 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,458

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

SEC source: 0001209191-21-007141 · doc4.xml · derivative · entry 5

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,592

Underlying: Common Stock · 656 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F6 · derivative.exercise_date: This November 1, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

F4 · 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: 0001209191-21-007141 · doc4.xml · derivative · entry 4

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,112

Underlying: Common Stock · 1,511 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: Twenty five percent (25%) of this August 1, 2019 award of service-based Restricted Stock Units vests on August 1, 2020, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning November 1, 2020.

F4 · 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: 0001209191-21-007141 · doc4.xml · derivative · entry 3

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,733

Underlying: Common Stock · 793 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 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

F4 · 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: 0001209191-21-007141 · doc4.xml · nonDerivative · entry 2

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,386

SEC source: 0001209191-21-007141 · doc4.xml · nonDerivative · entry 1

Yamamoto Mika · CIK 0001771433 · EVP, Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,575

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 August 1, 2019, November 1, 2019 and the November 2, 2020 awards of service-based Restricted Stock Units.

SEC source: 0001209191-21-007140 · doc4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,172

Underlying: Common Stock · 1,293 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.

F8 · 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

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: 0001209191-21-007140 · doc4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,991

Underlying: Common Stock · 713 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.

F7 · derivative.exercise_date: This November 1, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

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: 0001209191-21-007140 · doc4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,676

Underlying: Common Stock · 558 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: 0001209191-21-007140 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,082

Underlying: Common Stock · 825 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 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

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: 0001209191-21-007140 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,862

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

SEC source: 0001209191-21-007140 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,119

SEC source: 0001209191-21-007140 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,476

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, November 1, 2018, November 1, 2019 and November 2, 2020 awards of service-based Restricted Stock Units.

SEC source: 0001209191-21-007139 · doc4.xml · derivative · entry 6

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,391

Underlying: Common Stock · 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.

F7 · derivative.exercise_date: This November 1, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

F4 · 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: 0001209191-21-007139 · doc4.xml · derivative · entry 5

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,745

Underlying: Common Stock · 582 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F6 · derivative.exercise_date: This November 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 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: 0001209191-21-007139 · doc4.xml · derivative · entry 4

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 213 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: 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 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: 0001209191-21-007139 · doc4.xml · derivative · entry 3

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,130

Underlying: Common Stock · 920 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 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

F4 · 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: 0001209191-21-007139 · doc4.xml · nonDerivative · entry 2

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,967

SEC source: 0001209191-21-007139 · doc4.xml · nonDerivative · entry 1

WHALEN CHAD MICHAEL · CIK 0001746640 · EVP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,969

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, November 1, 2018, November 1, 2019 and November 2, 2020 awards of service-based Restricted Stock Units.

SEC source: 0001209191-21-007138 · doc4.xml · derivative · entry 6

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,991

Underlying: Common Stock · 713 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F7 · derivative.exercise_date: This November 1, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

F4 · 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: 0001209191-21-007138 · doc4.xml · derivative · entry 5

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,396

Underlying: Common Stock · 466 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F6 · derivative.exercise_date: This November 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 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: 0001209191-21-007138 · doc4.xml · derivative · entry 4

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,431

Underlying: Common Stock · 857 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 November 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

F4 · 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: 0001209191-21-007138 · doc4.xml · derivative · entry 3

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,732

Underlying: Common Stock · 1,244 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 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: 0001209191-21-007138 · doc4.xml · nonDerivative · entry 2

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,421

SEC source: 0001209191-21-007138 · doc4.xml · nonDerivative · entry 1

SPRAGUE KARA LYNN · CIK 0001720763 · EVP & GM, Application Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,735

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, November 1, 2018, November 1, 2019 and November 2, 2020 awards of service-based Restricted Stock Units.

SEC source: 0001209191-21-007136 · doc4.xml · derivative · entry 1

Song Haiyan · CIK 0001804708 · EVP of Security

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,826

Underlying: Common Stock · 17,826 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: Twenty five percent (25%) of this February 1, 2021 award of service-based Restricted Stock Units vests on February 1, 2022, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning May 1, 2022.

F3 · 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.