Updated: May 19, 2026

Lambert Shiu

PENPenumbra IncSEC CIK: 0001796068
Estimated Net Worth
$16.7 Million27.4%vs Last Year
Last Updated: May 19, 2026 11:48 PM EST

Transaction Summary

Total Transactions24
Buy-Sell Ratio0.64
Buy Transactions9
Sell Transactions14

Transaction Volume

Total Volume$4.15M
Net Volume-$2.72M
Buy Volume$715.98K
Sell Volume$3.44M

Trade Analysis

AVG Trade Size$173.12K
Largest Trade$2.02M
Most Active MonthNov
Most Active Year2025

Trading Sentiment

OverallBearish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Lambert Shiu has an estimated net worth of $16.7 Million. This is based on reported shares in Penumbra Inc.



2025 was Lambert Shiu's most active year for acquiring shares with 5 total transactions. Lambert Shiu's most active month to acquire stocks was the month of January. 2025 was Lambert Shiu's most active year for disposing of shares, totalling 15 transactions. Lambert Shiu's most active month to dispose stocks was the month of February. 2025 saw Lambert Shiu paying a total of $302,499.00 for 19,455 shares, this is the most they've acquired in one year. In 2025 Lambert Shiu cashed out on 22,974 shares for a total of $2,640,773.70, their largest year based on trade value.

Holdings & Transactions

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