F5 (FFIV) CFO sells 969 shares under Rule 10b5-1 plan

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

F5, INC. Chief Financial Officer Werner Edward Cooper reported selling a total of 969 shares of F5 common stock in open-market transactions on March 4, 2026. The sales were executed under a pre-arranged Rule 10b5-1 trading plan dated December 3, 2025.

The shares were sold in several blocks at prices including $278.21, $280.56, $282.23, $284.74 and $286.39 per share. After these transactions, Cooper directly owned 5,305 shares of F5 common stock.

Insider Trade Summary

Net Seller: 969 shares ($273,453)

Net Sell 5 txns

Insider Werner Edward Cooper

Role Chief Financial Officer

Sold 969 shs ($273K)

Type	Security	Shares	Price	Value
Sale	Common Stock	40	$278.21	$11K
Sale	Common Stock	560	$280.5557	$157K
Sale	Common Stock	80	$282.23	$23K
Sale	Common Stock	80	$284.735	$23K
Sale	Common Stock	209	$286.3937	$60K

Holdings After Transaction: Common Stock — 6,234 shares (Direct)

Footnotes (1)

This transaction was executed pursuant to a Rule 10b5-1 trading plan dated 12/03/2025. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $280.28 to $280.98. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $281.95 to $282.51. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $284.44 to $285.03. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $286.12 to $286.70. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Form 4 Insider Transactions: What Each Field Means →

03/05/2026 - 06:07 PM

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).

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

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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/04/2026		S		40⁽¹⁾	D	$278.21	6,234	D
Common Stock	03/04/2026		S		560⁽¹⁾	D	$280.5557⁽²⁾	5,674	D
Common Stock	03/04/2026		S		80⁽¹⁾	D	$282.23⁽³⁾	5,594	D
Common Stock	03/04/2026		S		80⁽¹⁾	D	$284.735⁽⁴⁾	5,514	D
Common Stock	03/04/2026		S		209⁽¹⁾	D	$286.3937⁽⁵⁾	5,305	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

2. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $280.28 to $280.98. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

3. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $281.95 to $282.51. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

4. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $284.44 to $285.03. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

5. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $286.12 to $286.70. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Remarks:

	/s/ Angelique M. Okeke by Power of Attorney	03/05/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did F5 (FFIV) CFO Werner Cooper report?

F5 CFO Werner Edward Cooper reported selling 969 shares of F5 common stock. The transactions were open-market sales on March 4, 2026, executed in multiple price tranches as part of a pre-arranged Rule 10b5-1 trading plan.

At what prices did the FFIV CFO sell F5 common stock?

Werner Edward Cooper’s reported F5 share sales occurred at prices including $278.21, $280.56, $282.23, $284.74 and $286.39 per share. Several trades used weighted average prices within narrow intraday ranges disclosed in the filing footnotes.

How many F5 (FFIV) shares does the CFO own after this Form 4?

After the reported March 4, 2026 sales, F5 CFO Werner Edward Cooper directly owned 5,305 shares of F5 common stock. This post-transaction holding reflects the cumulative effect of all disclosed open-market sales on that date.

Was the FFIV CFO’s F5 stock sale under a Rule 10b5-1 plan?

Yes. The Form 4 states the transactions were executed under a Rule 10b5-1 trading plan dated December 3, 2025. Such plans allow pre-scheduled trades, helping executives sell shares according to pre-established instructions.

How many transactions are reported in this F5 (FFIV) Form 4 filing?

The Form 4 for F5 CFO Werner Edward Cooper reports five separate open-market sale transactions in F5 common stock. Together they total 969 shares sold on March 4, 2026 at different per-share prices disclosed in the filing.