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F5 grants Thomas Dean Fountain 6,733 stock units

The 6,733 service-based units vest in 12 quarterly increments beginning February 1, 2027; the concurrent performance units depend on target achievement.

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Form Type
4

Rhea-AI Filing Summary

F5, Inc. EVP Global Services & Strategy Thomas Dean Fountain received 6,733 service-based restricted stock units on November 2, 2026. They vest in 12 equal quarterly increments beginning February 1, 2027, subject to continued service through each vest date. Concurrently, he received Performance RSUs: at 100% achievement of performance targets, he can receive 6,733, with the actual amount depending on performance and continued employment. On November 1, 2026, he acquired 2,702 common shares upon vesting of earlier service-based awards and had 11,590 shares delivered or withheld for payment of exercise price or tax liability at a reported price of $338.34 per share.

Insider FOUNTAIN THOMAS DEAN
Role EVP Global Services & Strategy
Type Security Shares Price Value
Grant/Award Restricted Stock Unit F2, F7, F8, F4 6,733 $0.00 $0.00
Exercise Restricted Stock Unit F2, F3, F4 1,043 $0.00 $0.00
Exercise Restricted Stock Unit F2, F5, F4 951 $0.00 $0.00
Exercise Restricted Stock Unit F2, F6, F4 708 $0.00 $0.00
Exercise Common Stock F1 2,702 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 11,590 $338.34 $3.92M
Holdings After Transaction: Restricted Stock Unit — 16,197 contracts (Direct); Common Stock — 17,447 shares (Direct)
Holdings Before and After: Restricted Stock Unit, 12,166 to 16,197 contracts (Direct); Common Stock, 26,335 to 17,447 shares (Direct)
Footnotes (8)
  1. F1. Shares acquired upon the vesting of November 1, 2023, November 1, 2024, and November 3, 2025 awards of service-based Restricted Stock Units.
  2. F2. Each Restricted Stock Unit represents a contingent right to receive one share of F5, Inc. Common Stock on the vest date.
  3. F3. This November 1, 2023 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2024.
  4. F4. 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, Inc. will be issued to the reporting person on the vest date.
  5. F5. This November 1, 2024 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2025.
  6. F6. This November 3, 2025 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2026.
  7. F7. Concurrent with the award of 6,733 service-based Restricted Stock Units, the Company granted the reporting person additional Restricted Stock Units, the number of which that can be earned will be based on performance targets ("Performance RSUs"). If the performance targets are achieved at 100%, the reporting person can receive 6,733 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 and may be less if the reporting person does not remain employed during the vesting period. Performance RSUs are not reported in Table II; the underlying shares of Performance RSUs will be reported in Table I if and when the Talent and Compensation Committee of the Board of Directors determines that the performance targets have been achieved.
  8. F8. This November 2, 2026 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2027.
Service-based restricted stock units awarded 6,733 units Awarded November 2, 2026
Performance RSUs at 100% target achievement 6,733 units Concurrent award; actual amount depends on performance and continued employment
Common shares acquired upon vesting 2,702 shares November 1, 2026
Shares delivered or withheld 11,590 shares For payment of exercise price or tax liability on November 1, 2026
Reported price per share $338.34 per share Shares delivered or withheld on November 1, 2026
Service-based unit vesting schedule 12 equal quarterly increments Beginning February 1, 2027
Restricted Stock Unit financial
"Each Restricted Stock Unit represents a contingent right to receive one share"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
Performance RSUs financial
"the number of which that can be earned will be based on performance targets"
Performance RSUs are promises to deliver company shares to executives or employees only if the business meets preset goals such as revenue, profit, stock price, or operational targets. They matter to investors because they align management pay with measurable company results and can affect the number of shares outstanding and future earnings per share once the shares are issued. Think of them as a bonus paid in stock that only arrives if the team hits the agreed milestones.
service-based Restricted Stock Units financial
"awards of service-based Restricted Stock Units"
Service-based restricted stock units are promises by a company to give employees shares of stock only after they remain employed for a specified period; the stock is delivered gradually or all at once once the service condition is met. Investors care because these awards affect future share supply and company costs, align employee interests with long-term performance, and can influence dilution and earnings reports when the promised shares are recorded or issued.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many FFIV shares did Thomas Dean Fountain acquire on November 1, 2026?

Thomas Dean Fountain acquired 2,702 common shares upon vesting of service-based Restricted Stock Unit awards on November 1, 2026.

How many FFIV shares were delivered or withheld, and at what price?

11,590 shares were delivered or withheld for payment of exercise price or tax liability on November 1, 2026, at a reported price of $338.34 per share.

How are the FFIV Performance RSUs determined?

At 100% achievement of performance targets, Thomas Dean Fountain can receive 6,733 Performance RSUs; the actual number may be more or less based on performance and may be lower if he does not remain employed during the vesting period. Underlying shares are reported if and when the compensation committee determines the targets were achieved.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
FOUNTAIN THOMAS DEAN

(Last)(First)(Middle)
C/O F5, INC.
801 5TH AVENUE

(Street)
SEATTLE WASHINGTON 98104

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
F5, INC. [ FFIV ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP Global Services & Strategy
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock11/01/2026M2,702(1)A$029,037D
Common Stock11/01/2026F11,590D$338.3417,447D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit(2)$011/01/2026M1,043 (3) (4)Common Stock1,043$00D
Restricted Stock Unit(2)$011/01/2026M951 (5) (4)Common Stock951$03,802D
Restricted Stock Unit(2)$011/01/2026M708 (6) (4)Common Stock708$05,662D
Restricted Stock Unit(2)(7)$011/02/2026A6,733 (8) (4)Common Stock6,733$06,733D
Explanation of Responses:
1. Shares acquired upon the vesting of November 1, 2023, November 1, 2024, and November 3, 2025 awards of service-based Restricted Stock Units.
2. Each Restricted Stock Unit represents a contingent right to receive one share of F5, Inc. Common Stock on the vest date.
3. This November 1, 2023 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2024.
4. 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, Inc. will be issued to the reporting person on the vest date.
5. This November 1, 2024 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2025.
6. This November 3, 2025 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2026.
7. Concurrent with the award of 6,733 service-based Restricted Stock Units, the Company granted the reporting person additional Restricted Stock Units, the number of which that can be earned will be based on performance targets ("Performance RSUs"). If the performance targets are achieved at 100%, the reporting person can receive 6,733 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 and may be less if the reporting person does not remain employed during the vesting period. Performance RSUs are not reported in Table II; the underlying shares of Performance RSUs will be reported in Table I if and when the Talent and Compensation Committee of the Board of Directors determines that the performance targets have been achieved.
8. This November 2, 2026 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2027.
Remarks:
/s/ Angelique M. Okeke by Power of Attorney11/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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