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

Signature
/s/ Stephen Dobson, as attorney-in-fact for Maggie Yuen
Issuer symbol
PEN
Transactions as of
13 Aug 2025
Transactions value $
-$385,391
Form type
4
Filing time
15 Aug 2025, 19:49:54 UTC
Previous filing
21 May 2025
Next filing
18 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Yuen Maggie Chief Financial Officer ONE PENUMBRA PLACE, ALAMEDA /s/ Stephen Dobson, as attorney-in-fact for Maggie Yuen 15 Aug 2025 0001796057

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PEN Common Stock Sale -$500K -2K -13.38% $250.00 12.9K 13 Aug 2025 Direct F1, F2, F3
transaction PEN Common Stock Options Exercise $115K +724 +5.59% $158.30 13.7K 15 Aug 2025 Direct F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PEN Stock Option (right to buy) Options Exercise $0 -724 -11.87% $0.00 5.38K 15 Aug 2025 Common Stock 724 $158.30 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.
F2 A portion of these shares is subject to vesting.
F3 Includes 86 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.
F4 All shares are vested and exercisable.