Penumbra president has 1,230 shares withheld

Penumbra’s president reported a routine tax-withholding share disposition tied to RSU vesting, retaining over thirty thousand PEN shares afterward.

Rhea-AI Filing Summary

Penumbra Inc (PEN) reported that President Shruthi Narayan had 1,230 shares of common stock withheld on September 15, 2026 to satisfy tax withholding obligations arising from the vesting of restricted stock units. After this tax-withholding disposition, Narayan directly holds 32,650 shares of Penumbra common stock, and a portion of these shares remains subject to vesting.

Insider Trade Summary

Tax Withholding: 1,230 shares

Tax Withholding 1 txn

Insider Narayan Shruthi

Role President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	1,230	$318.43	$392K

Holdings After Transaction: Common Stock — 32,650 shares (Direct)

Footnotes (2)

1. F1. Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to the Reporting Person.
2. F2. A portion of these shares is subject to vesting.

Key Figures

Shares withheld for taxes: 1,230 shares Per-share value for withheld shares: $318.43 per share Shares held after transaction: 32,650 shares +1 more

4 metrics

Shares withheld for taxes 1,230 shares Common stock withheld on September 15, 2026 to satisfy tax withholding obligations on RSU vesting

Per-share value for withheld shares $318.43 per share Value reported for the 1,230 withheld shares used to cover tax obligations

Shares held after transaction 32,650 shares Direct holdings of Penumbra common stock by President Shruthi Narayan following the tax-withholding disposition

Shares tied to tax liability transactions 1,230 shares Total shares involved in payment of exercise price or tax liability transactions reported in this Form 4

Key Terms

restricted stock units, tax withholding obligations, vesting, payment of tax liability by delivering or withholding securities

4 terms

restricted stock units financial

"in connection with the vesting of restricted stock units granted to the Reporting Person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"Shares were withheld by the Issuer to satisfy tax withholding obligations in connection"

vesting financial

"in connection with the vesting of restricted stock units granted to the Reporting Person"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

payment of tax liability by delivering or withholding securities financial

"transaction code describes payment of tax liability by delivering or withholding securities"

FAQ

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

What insider transaction did Penumbra Inc (PEN) report for President Shruthi Narayan?

Penumbra reported that President Shruthi Narayan had 1,230 shares of common stock withheld on September 15, 2026 to cover tax withholding obligations related to vested restricted stock units.

How many Penumbra (PEN) shares does Shruthi Narayan hold after this Form 4 transaction?

After the reported transaction, Shruthi Narayan directly holds 32,650 shares of Penumbra common stock. The filing notes that a portion of these shares is subject to vesting.

Was the Penumbra (PEN) insider transaction a market sale or tax withholding?

The transaction was not a market sale. The shares were withheld by Penumbra to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to Shruthi Narayan.

What was the reported value per share for the Penumbra (PEN) tax-withholding transaction?

The Form 4 reports a value of $318.43 per share for the 1,230 withheld shares of Penumbra common stock used to satisfy tax withholding obligations.

Is the Penumbra (PEN) Form 4 transaction under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is unchecked, and the transaction is described as shares withheld for tax withholding obligations in connection with RSU vesting, not as part of a trading plan.

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

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Available on EDGAR 09/17/2026 - 07:32 PM Accepted by SEC EDGAR 09/17/2026 - 07:31 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).

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^*

Narayan Shruthi

(Last) (First) (Middle)

ONE PENUMBRA PLACE

(Street)

ALAMEDA CALIFORNIA 94502

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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	09/15/2026		F(1)		1,230	D	$318.43	32,650(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. Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to the Reporting Person.

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

Remarks:

	/s/ Johanna Roberts, as attorney-in-fact for Shruthi Narayan	09/17/2026
	** 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)