F5 (FFIV) sales chief sells 6,200 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

F5, Inc. executive Chad Michael Whalen, EVP of Worldwide Sales, reported an open-market sale of 6,200 shares of F5 common stock at an average price of $350.1914 per share on May 8, 2026. The filing states that this transaction was executed under a Rule 10b5-1 trading plan dated December 5, 2025, indicating it was pre-arranged rather than a discretionary trade. After the sale, Whalen directly holds 20,832 shares of F5 common stock.

Insights

Equity compensation and insider-trading analyst

Pre-planned executive sale under Rule 10b5-1, moderate in size.

The filing shows F5 EVP of Worldwide Sales Chad Michael Whalen executed an open-market sale of 6,200 common shares at $350.1914 per share on May 8, 2026. This is a straightforward stock sale, not an option exercise or derivative conversion.

A key detail is that the trade occurred pursuant to a Rule 10b5-1 trading plan dated December 5, 2025. Such plans are established in advance and automate trading, which generally reduces the informational value of the trade’s timing about management’s view of the stock.

Following the sale, Whalen directly holds 20,832 shares of F5 common stock. The absence of derivative positions in this filing suggests no options or similar instruments are newly exercised or created here; the activity is limited to a planned disposition of existing common shares.

Insider Trade Summary 10b5-1

Net Seller: 6,200 shares ($2,171,187)

Net Sell 1 txn

Insider WHALEN CHAD MICHAEL

Role EVP, Worldwide Sales

Sold 6,200 shs ($2.17M)

Type	Security	Shares	Price	Value
Sale	Common Stock	6,200	$350.1914	$2.17M

Holdings After Transaction: Common Stock — 20,832 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 6,200 shares Sale price per share: $350.1914 per share Shares held after transaction: 20,832 shares +2 more

5 metrics

Shares sold 6,200 shares Open-market sale of F5 common stock on May 8, 2026

Sale price per share $350.1914 per share Average price for the 6,200 shares sold

Shares held after transaction 20,832 shares Direct F5 common stock holdings after the sale

Trading plan date December 5, 2025 Date of Rule 10b5-1 plan governing the sale

Transaction type Open-market sale Reported as transaction code S, non-derivative

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, Form 4

4 terms

Rule 10b5-1 trading plan regulatory

"This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 12/05/2025."

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.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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^*

WHALEN CHAD MICHAEL

(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, Worldwide Sales

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		6,200(1)	D	$350.1914	20,832	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 12/05/2025.

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) report for Chad Michael Whalen?

F5 reported that EVP of Worldwide Sales Chad Michael Whalen sold 6,200 shares of common stock in an open-market transaction at $350.1914 per share on May 8, 2026, according to a Form 4 insider trading filing.

Was the FFIV insider sale by Chad Michael Whalen pre-planned under Rule 10b5-1?

Yes. The Form 4 notes the transaction was executed under a Rule 10b5-1 trading plan dated December 5, 2025. Such plans pre-schedule trades, meaning the timing reflects a prior arrangement rather than a spontaneous trading decision.

How many FFIV shares does Chad Michael Whalen hold after the reported sale?

After selling 6,200 shares, Chad Michael Whalen directly holds 20,832 shares of F5 common stock. This figure, disclosed in the Form 4, reflects his remaining direct ownership position immediately following the May 8, 2026 transaction.

What price did Chad Michael Whalen receive for his FFIV share sale?

The Form 4 reports an average sale price of $350.1914 per share for the 6,200 F5 common shares sold. This represents the weighted average price across the sale transactions executed on May 8, 2026.

Does the FFIV Form 4 show any option exercises or derivative transactions?

No. The filing only discloses a non-derivative open-market sale of common stock. The derivative summary section is empty, indicating no option exercises, warrant conversions, or other derivative transactions were reported in this particular Form 4.