F5, Inc. (FFIV) EVP sells 1,208 shares in Rule 10b5-1 trade

Rhea-AI Filing Summary

F5, Inc. executive Thomas Dean Fountain, EVP Global Services & Strategy, sold 1,208 shares of Common Stock on 2026-08-05 at $414.63 per share. Following the sale, he directly holds 8,060 shares. The transaction was executed under a Rule 10b5-1 trading plan dated 10/29/2025.

Insider Trade Summary 10b5-1

Net Seller: 1,208 shares

Net Sell 1 txn

Insider FOUNTAIN THOMAS DEAN

Role EVP Global Services & Strategy

Sold 1,208 shs ($501K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,208	$414.63	$501K

Holdings After Transaction: Common Stock — 8,060 shares (Direct)

Footnotes (1)

1. F1. This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 10/29/2025.

Key Figures

Shares sold: 1,208 shares Sale price per share: $414.63 per share Shares held after sale: 8,060 shares

3 metrics

Shares sold 1,208 shares Common Stock sale by EVP Thomas Dean Fountain on 2026-08-05

Sale price per share $414.63 per share Price for the 1,208 Common Stock shares sold

Shares held after sale 8,060 shares Direct Common Stock ownership following the reported transaction

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, EVP Global Services & Strategy

3 terms

Rule 10b5-1 trading plan regulatory

"This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 10/29/2025"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

EVP Global Services & Strategy other

"officer_title: EVP Global Services & Strategy"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/06/2026 - 04:40 PM Accepted by SEC EDGAR 08/06/2026 - 04:39 PM Learn about SEC filing dates

FAQ

What insider transaction did F5, Inc. (FFIV) report for Thomas Dean Fountain?

F5, Inc. reported that EVP Thomas Dean Fountain sold 1,208 shares of Common Stock on 2026-08-05 at $414.63 per share. The sale was a standard open market or private transaction and was made under a Rule 10b5-1 trading plan dated 10/29/2025.

How many F5 (FFIV) shares does Thomas Dean Fountain hold after this Form 4 sale?

After the reported sale, Thomas Dean Fountain directly holds 8,060 shares of F5, Inc. Common Stock. This post-transaction balance reflects his remaining direct ownership position following the disposition of 1,208 shares disclosed in the Form 4 filing.

At what price were the F5, Inc. (FFIV) shares sold by Thomas Dean Fountain?

The reported transaction shows a sale price of $414.63 per share for the 1,208 shares of F5, Inc. Common Stock. This price is described as the per-share transaction price for the open market or private sale on 2026-08-05.

Was the FFIV insider sale by Thomas Dean Fountain made under a Rule 10b5-1 plan?

Yes, the sale was executed under a Rule 10b5-1 trading plan dated 10/29/2025. The filing notes that this pre-arranged plan governed the transaction, aligning it with an established schedule rather than discretionary timing by the executive.

What is Thomas Dean Fountain’s role at F5, Inc. (FFIV) mentioned in this filing?

Thomas Dean Fountain is identified as EVP Global Services & Strategy at F5, Inc. This senior executive role is disclosed in connection with his reported ownership and the sale of 1,208 shares of the company’s Common Stock on 2026-08-05.

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 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)
	EVP Global Services & Strategy

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026

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	08/05/2026		S(1)		1,208	D	$414.63	8,060	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 10/29/2025.

Remarks:

	/s/ Angelique M. Okeke by Power of Attorney	08/06/2026
	** 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)