Planned F5 (FFIV) EVP stock sale disclosed for 1,110 shares

Rhea-AI Filing Summary

F5, Inc. executive Thomas Dean Fountain, EVP Global Services & Strategy, reported selling 1,110 shares of common stock on 01/05/2026 at $263.79 per share. After this transaction, he directly beneficially owned 13,623 shares of F5 common stock. The filing states this sale was executed under a Rule 10b5-1 trading plan dated 06/13/2025, indicating the trade was pre-arranged under a preset plan.

Insider Trade Summary

Net Seller: 1,110 shares

Net Sell 1 txn

Insider FOUNTAIN THOMAS DEAN

Role EVP Global Services & Strategy

Sold 1,110 shs ($293K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,110	$263.79	$293K

Holdings After Transaction: Common Stock — 13,623 shares (Direct)

Footnotes (1)

1. F1. This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 06/13/2025.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/07/2026 - 06:41 PM Learn about SEC filing dates

FAQ

Who is the insider reporting this Form 4 for FFIV?

The reporting person is Thomas Dean Fountain, who serves as EVP Global Services & Strategy at F5, Inc..

How many F5 (FFIV) shares did Thomas Dean Fountain sell and at what price?

He sold 1,110 shares of F5 common stock at a price of $263.79 per share on 01/05/2026, coded as an "S" (sale) transaction.

How many F5 (FFIV) shares does Thomas Dean Fountain hold after this transaction?

Following the reported sale, Thomas Dean Fountain beneficially owned 13,623 shares of F5, Inc. common stock in direct ownership.

Was the F5 (FFIV) insider sale made under a Rule 10b5-1 trading plan?

Yes. A footnote explains that the transaction was executed pursuant to a Rule 10b5-1 trading plan dated 06/13/2025.

What type of security was involved in this FFIV Form 4 transaction?

The transaction involved F5, Inc. common stock reported as a non-derivative security in Table I of the form.

Is this FFIV Form 4 filed by more than one reporting person?

No. The form indicates it is filed by one reporting person, namely Thomas Dean Fountain.

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^*

FOUNTAIN THOMAS DEAN

(Last) (First) (Middle)

C/O F5, INC.

801 5TH AVENUE

(Street)

SEATTLE WA 98104

(City) (State) (Zip)

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)
	EVP Global Services & Strategy

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

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	01/05/2026		S		1,110(1)	D	$263.79	13,623	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

Explanation of Responses:

1. This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 06/13/2025.

Remarks:

	/s/ Angelique M. Okeke by Power of Attorney	01/07/2026
	** 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.