MCMILLAN STEPHEN

SEC source: 0001209191-21-039835 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,455

F1 · kind: Shares withheld by the company and disposed of to satisfy tax obligation upon vesting of restricted share units.

SEC source: 0001209191-21-039835 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,588

F1 · kind: Shares withheld by the company and disposed of to satisfy tax obligation upon vesting of restricted share units.

SEC source: 0001209191-21-015478 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,243

F3 · kind: Sale of shares acquired under the ISPP pursuant to 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.48 to $42.44. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001209191-21-016550 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 370,177

F1 · kind: Award of restricted share units which vests in three equal annual installments beginning on March 1, 2022.

SEC source: 0001209191-21-015478 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,512

F2 · kind: Shares withheld by the issuer and disposed of to satisfy tax obligation upon acquisition of shares under the ISPP.

SEC source: 0001209191-21-015478 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,659

F1 · kind: Shares acquired from the issuer under the Teradata Incentive Stock Purchase Plan (the "ISPP").

SEC source: 0001209191-21-005916 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,243

F1 · kind: Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $31.58. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001209191-21-005916 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,243

F1 · kind: Sale of shares pursuant to Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.00 to $27.11. The reporting person has provided to the issuer and will provide any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001209191-20-061339 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,243

F1 · kind: Shares withheld by the company and disposed of to satisfy tax obligation upon vesting of restricted share units.

SEC source: 0001209191-20-035572 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 712,359

F2 · kind: Award of restricted share units which vests in three equal annual installments beginning on June 9, 2021.

SEC source: 0001209191-20-035572 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566,122

F1 · kind: New-hire award of restricted share units which vests in three installments as follows: 45% of the units vest on December 1, 2020, 42% of the units vest on June 9, 2021, and the remainder of the units (i.e., 13% of the units) vest on June 9, 2022.

SEC source: 0001209191-20-036010 · doc4a.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 346,767

F3 · kind: Award of restricted share units which vests in three equal annual installments beginning on June 9, 2021.

SEC source: 0001209191-20-036010 · doc4a.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,530

F1 · kind: New-hire award of restricted share units which vests in three installments as follows: 45% of the units vest on December 1, 2020, 42% of the units vest on June 9, 2021, and the remainder of the units (i.e., 13% of the units) vest on June 9, 2022.

F2 · shares: The original Form 4 filed on behalf of the reporting person on June 10, 2020, incorrectly reported the award total as 566,122 instead of 200,530. This amendment is being filed to correct this amount which is also reflected in the total securities beneficially owned following the two reported transactions. The original Form 4 was timely filed and correct in all other respects.

SEC source: 0001209191-20-026732 · doc4.xml · derivative · entry 5

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,986

Underlying: Common Stock · 799 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 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: 0001209191-20-026732 · doc4.xml · derivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,909

Underlying: Common Stock · 652 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 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: 0001209191-20-026732 · doc4.xml · derivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,884

Underlying: Common Stock · 1,814 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: Twenty five percent (25%) of this November 1, 2017 award of service-based Restricted Stock Units vests 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 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: 0001209191-20-026732 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,250

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 · shares: Shares acquired upon vesting of the November 1, 2017, November 1, 2018 and November 1, 2019 awards of service-based Restricted Stock Units.

SEC source: 0001209191-20-027317 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,291

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

SEC source: 0001209191-20-027317 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,391

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $135.93 to $136.59. 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: 0001209191-20-027317 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,891

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $134.89 to $135.88. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-026732 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,985

F1 · kind: Shares acquired on April 30, 2020 under the F5 Networks, Inc. employee stock purchase plan in an exempt transaction pursuant to rule 16b-3(c).

SEC source: 0001209191-20-006795 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,814

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $122.41 to $123.4099. 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: 0001209191-20-006795 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,314

F1 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $121.40 to $122.3999. 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: 0001209191-20-006216 · doc4.xml · derivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,785

Underlying: Common Stock · 798 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: 0001209191-20-006216 · doc4.xml · derivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,561

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.

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 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: 0001209191-20-006216 · doc4.xml · derivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,698

Underlying: Common Stock · 1,814 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: 0001209191-20-006216 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,772

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

SEC source: 0001209191-19-055134 · doc4.xml · derivative · entry 8

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,583

Underlying: Common Stock · 9,583 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.

F10 · security: Concurrent with the award of 9,583 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 9,583 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, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

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: 0001209191-19-055134 · doc4.xml · derivative · entry 7

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,212

Underlying: Common Stock · 652 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 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: 0001209191-19-055134 · doc4.xml · derivative · entry 6

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,512

Underlying: Common Stock · 1,814 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 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.

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: 0001209191-19-055134 · doc4.xml · nonDerivative · entry 5

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,509

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-19-055134 · doc4.xml · nonDerivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,585

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $145.32 to $146.13. 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: 0001209191-19-055134 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,998

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $144.31 to $145.30. 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: 0001209191-19-055134 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,346

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $143.25 to $143.43. 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: 0001209191-19-055134 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,546

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: 0001209191-19-054814 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,080

F2 · shares: Shares acquired based on performance targets for the November 1, 2018 awards of Restricted Stock Units.

SEC source: 0001209191-19-054814 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,484

F1 · kind: Shares acquired on October 31, 2019 under the F5 Networks, Inc. employee stock purchase plan in an exempt transaction pursuant to rule 16b-3(c).

SEC source: 0001209191-19-044476 · doc4.xml · derivative · entry 7

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,864

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.

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 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 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: 0001209191-19-044476 · doc4.xml · derivative · entry 6

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,326

Underlying: Common Stock · 1,814 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 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.

F8 · 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: 0001209191-19-044476 · doc4.xml · nonDerivative · entry 5

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,483

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001209191-19-044476 · doc4.xml · nonDerivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,583

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $148.43 to $149.19. 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: 0001209191-19-044476 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,138

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $147.19 to $147.98. 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: 0001209191-19-044476 · doc4.xml · nonDerivative · entry 2

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,738

F2 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $144.68 to $145.40. 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: 0001209191-19-044476 · doc4.xml · nonDerivative · entry 1

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,455

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: 0001209191-19-027562 · doc4.xml · derivative · entry 8

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,515

Underlying: Common Stock · 652 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, 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 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: 0001209191-19-027562 · doc4.xml · derivative · entry 7

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,140

Underlying: Common Stock · 1,814 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 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: 0001209191-19-027562 · doc4.xml · nonDerivative · entry 6

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,990

F6 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $155.66 to $156.41. 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: 0001209191-19-027562 · doc4.xml · nonDerivative · entry 5

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,190

F5 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $154.44 to $154.55. 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: 0001209191-19-027562 · doc4.xml · nonDerivative · entry 4

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,490

F4 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $153.42 to $154.39. 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: 0001209191-19-027562 · doc4.xml · nonDerivative · entry 3

MCMILLAN STEPHEN · CIK 0001719723 · EVP of Global Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,590

F3 · price: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $152.37 to $153.28. 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.