Penumbra (PEN) director sells 7,500 shares in Rule 10b5-1 plan

Penumbra Inc. (PEN) director Arani Bose reported share sales in the company’s stock.

Rhea-AI Filing Summary

Penumbra Inc. (PEN) director Arani Bose reported share sales in the company’s stock. On 11/21/2025, an indirect ownership vehicle sold 7,338 shares of Penumbra common stock at a weighted average price of $290.55, followed by a sale of 162 shares at a weighted average price of $291.09. The sales were made under a pre-arranged Rule 10b5-1 trading plan, which is designed to allow insiders to sell shares according to a preset schedule.

After these transactions, the reporting person beneficially owned 282,761 shares of Penumbra common stock indirectly through Bose Family Holdings II, LLC. A portion of the reported shares is subject to vesting, meaning some shares may become fully owned over time based on conditions such as continued service or performance.

Insider Trade Summary

Net Seller: 7,500 shares

Net Sell 3 txns

Insider Bose Arani

Role Director

Sold 7,500 shs ($2.18M)

Type	Security	Shares	Price	Value
Sale	Common Stock	7,338	$290.55	$2.13M
Sale	Common Stock	162	$291.09	$47K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 282,761 shares (Indirect, By LLC); Common Stock — 558 shares (Direct)

Footnotes (5)

1. F1. The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.
2. F2. This transaction was executed in multiple trades at prices ranging from $290.00 to $290.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.
3. F3. Shares are held by Bose Family Holdings II, LLC.
4. F4. This transaction was executed in multiple trades at prices ranging from $291.09 to $291.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.
5. F5. A portion of these shares is subject to vesting.

FAQ

What insider transaction did Penumbra (PEN) disclose in this Form 4?

The filing reports that director Arani Bose, through an indirect ownership vehicle, sold 7,338 shares of Penumbra common stock at a weighted average price of $290.55 and 162 shares at a weighted average price of $291.09 on 11/21/2025.

How many Penumbra (PEN) shares does the insider own after the reported trades?

Following the reported transactions, the reporting person beneficially owned 282,761 shares of Penumbra common stock, held indirectly through Bose Family Holdings II, LLC.

Were the Penumbra (PEN) insider sales made under a Rule 10b5-1 plan?

Yes. The filing states that the sales were effected pursuant to the reporting person’s Rule 10b5-1 trading plan, a pre-arranged plan for trading company stock.

What is the reporting person’s relationship to Penumbra (PEN)?

The reporting person is identified as a Director of Penumbra Inc., as indicated in the relationship section of the form.

How are the Penumbra (PEN) shares held by the insider structured?

The filing notes that shares are held indirectly by Bose Family Holdings II, LLC, and a portion of the reported shares is subject to vesting conditions.

At what prices were the Penumbra (PEN) shares sold by the insider?

One transaction was executed at a weighted average price of $290.55 per share, based on trades between $290.00 and $290.97. Another was at a weighted average price of $291.09 per share, based on trades between $291.09 and $291.13.

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Accepted by SEC EDGAR 11/25/2025 - 07:59 PM Learn about SEC filing dates

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^*

Bose Arani

(Last) (First) (Middle)

ONE PENUMBRA PLACE

(Street)

ALAMEDA CA 94502

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Penumbra Inc [ PEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/21/2025

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	11/21/2025		S(1)		7,338	D	$290.55(2)	282,923	I	By LLC(3)
Common Stock	11/21/2025		S(1)		162	D	$291.09(4)	282,761	I	By LLC(3)
Common Stock								558(5)	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. The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

2. This transaction was executed in multiple trades at prices ranging from $290.00 to $290.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

3. Shares are held by Bose Family Holdings II, LLC.

4. This transaction was executed in multiple trades at prices ranging from $291.09 to $291.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

5. A portion of these shares is subject to vesting.

Remarks:

	/s/ Emma J. Purdy, as attorney-in-fact for Arani Bose	11/25/2025
	** 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.