Maggie Yuen - 13 Aug 2025 Form 4 Insider Report for Penumbra Inc (PEN)

Reporting relationship: Chief Financial Officer
Issuer ticker: PEN
Reported as of: 13 Aug 2025
Net transaction value: -$385,391
SEC form: 4
Accepted by SEC: 15 Aug 2025, 19:49:54 UTC
Prior SEC filing: 21 May 2025
Next SEC filing: 18 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Stephen Dobson, as attorney-in-fact for Maggie Yuen

Key filing fact

Maggie Yuen filed Form 4 for Penumbra Inc (PEN) on 15 Aug 2025.

Key facts

This page summarizes Maggie Yuen's Form 4 filing for Penumbra Inc (PEN).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Aug 2025, 19:49.

Change

Previous filing in this sequence was filed on 21 May 2025.
Current net transaction value: -$385,391.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001796057 Primary reporting owner

Yuen Maggie

Relationship: Chief Financial Officer
Address: ONE PENUMBRA PLACE, ALAMEDA
Signature: /s/ Stephen Dobson, as attorney-in-fact for Maggie Yuen
Signature date: 15 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PEN transaction

Common Stock

Sale

Transaction value: $500,000
Shares: -2,000
Change %: -13%
Price: $250.00
Shares after: 12,943
Date: 13 Aug 2025
Ownership: Direct
Footnotes: F1, F2, F3

PEN transaction

Common Stock

Options Exercise

Transaction value: $114,609
Shares: +724
Change %: +5.6%
Price: $158.30
Shares after: 13,667
Date: 15 Aug 2025
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PEN transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -724
Change %: -12%
Price: $0.000000
Shares after: 5,376
Date: 15 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 724
Exercise price: $158.30
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

Footnote F2

A portion of these shares is subject to vesting.

Footnote F3

Includes 86 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.

Footnote F4

All shares are vested and exercisable.