Shiu Lambert sold PEN
November 15, 2025 · Form 4 insider transaction
Shiu Lambert sold 506 shares of Penumbra, Inc. at $280.07 per share, a transaction worth $141.7K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Disposed (sell-side)
Shares
506
Price
$280.07
Total value
$141.7K
InsiderShiu Lambert
Role—
CompanyPenumbra, Inc. (PEN)
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateNovember 15, 2025
Filing dateNovember 18, 2025
Shares owned after31,985
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units (RSUs) granted to the Reporting Person.; A portion of these shares is subject to vesting.; Includes 81 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.