F5 (FFIV) CFO sells 1,500 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

F5, Inc. Chief Financial Officer Werner Edward Cooper sold 1,500 shares of Common Stock in an open-market transaction at $350.00 per share on May 8, 2026. The trade was carried out under a pre-arranged Rule 10b5-1 trading plan dated December 3, 2025.

Following this sale, Cooper directly holds 2,906 shares of F5 common stock. Because the transaction was executed pursuant to a trading plan, its timing reflects a scheduled disposition rather than a discretionary market-timing decision.

Insider Trade Summary 10b5-1

Net Seller: 1,500 shares ($525,000)

Net Sell 1 txn

Insider Werner Edward Cooper

Role Chief Financial Officer

Sold 1,500 shs ($525K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,500	$350.00	$525K

Holdings After Transaction: Common Stock — 2,906 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 1,500 shares Sale price per share: $350.00 per share Shares held after sale: 2,906 shares

3 metrics

Shares sold 1,500 shares Open-market sale on May 8, 2026

Sale price per share $350.00 per share Open-market transaction

Shares held after sale 2,906 shares Direct ownership following transaction

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, transaction code "S"

4 terms

Rule 10b5-1 trading plan regulatory

"This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 12/03/2025."

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 sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

transaction code "S" regulatory

""transaction_code": "S""

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^*

Werner Edward Cooper

(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 Financial Officer

2a. Foreign Trading Symbol

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

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	05/08/2026		S		1,500(1)	D	$350	2,906	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 12/03/2025.

Remarks:

	/s/ Angelique M. Okeke by Power of Attorney	05/12/2026
	** 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)

FAQ

What insider transaction did F5 (FFIV) disclose for CFO Werner Edward Cooper?

F5 disclosed that CFO Werner Edward Cooper sold 1,500 shares of Common Stock. The open-market sale occurred on May 8, 2026 at $350.00 per share and was executed under a pre-arranged Rule 10b5-1 trading plan.

How many F5 (FFIV) shares did the CFO sell and at what price?

Werner Edward Cooper sold 1,500 shares of F5, Inc. Common Stock at $350.00 per share. The transaction was reported as an open-market sale under code “S” in the insider filing for May 8, 2026.

How many F5 (FFIV) shares does the CFO hold after the reported sale?

After the sale, CFO Werner Edward Cooper directly holds 2,906 shares of F5 Common Stock. This post-transaction holding reflects his remaining direct ownership following the 1,500-share open-market disposition reported in the Form 4.

Was the F5 (FFIV) CFO’s share sale made under a Rule 10b5-1 plan?

Yes. The filing states the transaction was executed pursuant to a Rule 10b5-1 trading plan dated December 3, 2025. Such plans pre-schedule trades, meaning the sale’s timing follows the plan rather than a new discretionary decision.

What transaction code was used for the F5 (FFIV) CFO’s sale and what does it mean?

The insider filing uses transaction code “S” for the CFO’s trade. Code “S” indicates a sale in an open market or private transaction. In this case, the 1,500 shares were sold in the open market at $350.00 per share.