Lambert Shiu

PEN

Lambert Shiu serves as Chief Accounting Officer at Penumbra, Inc. (PEN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$2.96M

Net Position

Net Seller

$2.96M

Companies Traded

PEN

Active Period

Dec 2024 – Feb 2026

3 total trades

Most Recent

Sell PEN

Feb 13, 2026 · $139.8K

Lambert Shiu's Insider Trading at Penumbra, Inc. (PEN)

Buys

0 · $0.00

Sells

3 · $2.96M

Total Shares Bought

Total Shares Sold

10,653

PEN Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Feb 13, 2026↗	Sell	412	$339.30	$139.8K	0
Mar 5, 2025↗	Sell	7,789	$285.73	$2.23M	32,969
Dec 3, 2024↗	Sell	2,452	$242.68	$595.1K	20,682

Related Insiders

Maggie Yuen

officer: Chief Financial Officer

PENSell · Mar 2, 2026

Johanna Roberts

EVP, Gen. Counsel & Secretary

PENSell · Feb 15, 2026

Maggie Yuen

Chief Financial Officer

PENSell · Feb 15, 2026

Shruthi Narayan

President

PENSell · Feb 15, 2026

Harpreet Grewal

director

PENSell · Jan 6, 2026

Thomas Wilder

director

PENSell · Jan 2, 2026

Arani Bose

Director

PENSell · Dec 11, 2025

Harpreet Grewal

Director

PENSell · Dec 2, 2025

Explore More Insider Trading Data

PEN Insider Trading Activity

View all insider trades at Penumbra, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity