[Form 4] F5, INC. Insider Trading Activity

Rhea-AI Filing Summary

F5, Inc. Chief Product Marketing Officer John Anthony Maddison reported a mix of equity transactions in F5, Inc. common stock. He sold 1,000 shares in an open-market transaction at $322.33 per share, executed pursuant to a Rule 10b5-1 trading plan dated November 6, 2025.

On the same Form 4, he acquired 454 shares of common stock upon the vesting and conversion of 454 Restricted Stock Units from a November 3, 2025 award of service-based RSUs. Of the vested shares, 230 shares were withheld at $323.20 per share to satisfy tax obligations, which is a non-market disposition.

Each Restricted Stock Unit represents a contingent right to receive one share of F5 common stock, and the November 3, 2025 RSU award vests in twelve equal quarterly increments beginning February 1, 2026, subject to continued service. After these transactions, Maddison directly holds 2,149 shares of F5, Inc. common stock.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares ($322,330)

Net Sell 4 txns

Insider Maddison John Anthony

Role Chief Product Mkting Officer

Sold 1,000 shs ($322K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$322.33	$322K
Exercise	Restricted Stock Unit	454	$0.00	--
Exercise	Common Stock	454	$0.00	--
Tax Withholding	Common Stock	230	$323.20	$74K

Holdings After Transaction: Common Stock — 2,149 shares (Direct, null); Restricted Stock Unit — 4,541 shares (Direct, null)

Footnotes (1)

1. Shares acquired upon the vesting of the November 3, 2025 award of service-based Restricted Stock Units. This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 11/06/2025. Each Restricted Stock Unit represents a contingent right to receive one share of F5, Inc. Common Stock on the vest date. This November 3, 2025 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2026. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED 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).

X

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^*

Maddison John Anthony

(Last) (First) (Middle)

C/O F5, INC.

801 5TH AVE.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Product Mkting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/01/2026		M		454(1)	A	$0	3,379	D
Common Stock	05/01/2026		F		230	D	$323.2	3,149	D
Common Stock	05/04/2026		S		1,000(2)	D	$322.33	2,149	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit(3)	$0	05/01/2026		M			454	(4)	(5)	Common Stock	454	$0	4,541	D

Explanation of Responses:

1. Shares acquired upon the vesting of the November 3, 2025 award of service-based Restricted Stock Units.

2. This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 11/06/2025.

3. Each Restricted Stock Unit represents a contingent right to receive one share of F5, Inc. Common Stock on the vest date.

4. This November 3, 2025 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2026.

5. 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.

Remarks:

	/s/ Angelique M. Okeke by Power of Attorney	05/05/2026
	** Signature of Reporting Person	Date
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)