Penumbra (PEN) director sells 186 shares at $227.58 under 10b5-1

Penumbra (PEN) disclosed an insider transaction by Director Harpreet Grewal.

Rhea-AI Filing Summary

Penumbra (PEN) disclosed an insider transaction by Director Harpreet Grewal. On 11/04/2025, the reporting person sold 186 shares of common stock at a price of $227.58 per share, coded as “S.” The filing notes the sale was made under a Rule 10b5-1 trading plan. Following the transaction, 8,516 shares are beneficially owned in direct form. The filing also states that a portion of these shares is subject to vesting.

Insider Trade Summary

Net Seller: 186 shares

Net Sell 1 txn

Insider Grewal Harpreet

Role Director

Sold 186 shs ($42K)

Type	Security	Shares	Price	Value
Sale	Common Stock	186	$227.58	$42K

Holdings After Transaction: Common Stock — 8,516 shares (Direct)

Footnotes (2)

1. F1. The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.
2. F2. A portion of these shares is subject to vesting.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PEN report?

A director sold 186 shares of common stock at $227.58 per share on 11/04/2025.

Who is the reporting person in Penumbra’s Form 4?

Director Harpreet Grewal.

How many PEN shares does the reporting person hold after the sale?

Beneficial ownership is 8,516 shares held directly.

Was the PEN stock sale under a trading plan?

Yes, it was made under a Rule 10b5-1 trading plan.

What does the transaction code ‘S’ indicate?

Code S indicates an open market or private sale of non-derivative securities.

Are any of the reported shares subject to vesting?

Yes, a portion of the shares is subject to vesting.

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

The reporting person is a Director.

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

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Accepted by SEC EDGAR 11/06/2025 - 07:31 PM EST 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^*

Grewal Harpreet

(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)
11/04/2025

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	11/04/2025		S(1)		186	D	$227.58	8,516(2)	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. A portion of these shares is subject to vesting.

Remarks:

	/s/ Johanna Roberts, as attorney-in-fact for Harpreet Grewal	11/06/2025
	** 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.