[Form 4] Penumbra, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Penumbra Inc. (PEN) EVP, General Counsel & Secretary Johanna Roberts reported multiple sales of Penumbra common stock executed on 08/11/2025 pursuant to a Rule 10b5-1 trading plan. The filing shows five transactions totaling 600 shares, with reported weighted average prices ranging from $237.10 to $240.91 and execution price ranges disclosed between $236.83 and $240.78. Following these disposals reported beneficial ownership declined from 66,039 shares to 65,457 shares. The filer notes that a portion of the shares is subject to vesting and that full trade-level details will be provided to the SEC staff, the issuer or a security holder upon request.

Insights

Financial Analyst

TL;DR Insider sold 600 shares under a Rule 10b5-1 plan; beneficial ownership modestly declined to 65,457 shares.

The Form 4 documents five sales by Johanna Roberts on 08/11/2025 executed under a Rule 10b5-1 plan, totaling 600 shares at weighted average prices between $237.10 and $240.91. The filing explicitly discloses execution price ranges for the multiple trades and confirms that some shares remain subject to vesting. From a financial-analyst perspective, the transactions are clearly described and accompanied by the reporting person's undertaking to provide full trade details on request, which supports transparency in SEC reporting.

Corporate Governance Expert

TL;DR Filing shows compliance with Section 16 reporting and Rule 10b5-1 plan disclosure; ownership reduced from 66,039 to 65,457 shares.

The Form 4 is signed and dated and clearly identifies the reporting person as EVP, General Counsel & Secretary. It states the sales were effected pursuant to a Rule 10b5-1 trading plan and includes explanatory notes on weighted average prices and vesting status. The reporting person also undertakes to provide detailed trade information to the SEC, issuer or security holders upon request, aligning with expected disclosure practices for insider transactions.

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
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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^*

Roberts Johanna

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Gen. Counsel & Secretary

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

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	08/11/2025		S(1)		18	D	$237.1(2)	66,039(3)	D
Common Stock	08/11/2025		S(1)		247	D	$238.47(4)	65,792(3)	D
Common Stock	08/11/2025		S(1)		295	D	$239.27(5)	65,497(3)	D
Common Stock	08/11/2025		S(1)		39	D	$240.2(6)	65,458(3)	D
Common Stock	08/11/2025		S(1)		1	D	$240.91	65,457(3)	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 $236.83 to $237.40. 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. A portion of these shares is subject to vesting.

4. This transaction was executed in multiple trades at prices ranging from $237.90 to $238.82. 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. This transaction was executed in multiple trades at prices ranging from $238.83 to $239.79. 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.

6. This transaction was executed in multiple trades at prices ranging from $239.85 to $240.78. 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.

Remarks:

	/s/ Johanna Roberts	08/13/2025
	** 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.

FAQ

What insider activity did Penumbra (PEN) report on this Form 4?

Johanna Roberts sold shares of Penumbra common stock in five transactions on 08/11/2025 pursuant to a Rule 10b5-1 trading plan.

How many shares did the insider sell and what is the remaining ownership?

The filing reports total sales of 600 shares, with beneficial ownership decreasing from 66,039 to 65,457 shares following the transactions.

At what prices were the shares sold in the reported transactions?

Weighted average prices for the reported transactions ranged from $237.10 to $240.91, with execution price ranges disclosed between $236.83 and $240.78.

Were the sales part of a prearranged trading plan?

Yes. The filing states the sales were effected pursuant to the reporting person’s Rule 10b5-1 trading plan.

Are any of the reported shares subject to vesting?

Yes. The Form 4 explicitly notes that a portion of these shares is subject to vesting.