Haiyan Song - Nov 1, 2021 Form 4 Insider Report for F5 NETWORKS, INC. (FFIV)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FFIV	Restricted Stock Unit	Award	$0	+5.35K		$0.00	5.35K	Nov 1, 2021	Common Stock	5.35K	$0.00	Direct	F1, F2, F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.
F2	Concurrent with the award of 5,346 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 5,346 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	This November 1, 2021 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2022.
F4	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.