Updated Jul 16, 2026
Shiu Lambert is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $595K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-17 | PEN | Penumbra Inc | F — Tax withholding / forfeiture | 150 | $336.18 | $50K |
| 2026-02-19 | PEN | Penumbra Inc | A — Grant or award | 2.3K | $0.00 | |
| 2026-02-19 | PEN | Penumbra Inc | F — Tax withholding / forfeiture | 412 | $339.30 | $140K |
| 2026-02-19 | PEN | Penumbra Inc | A — Grant or award | 2.3K | $0.00 | |
| 2024-12-17 | PEN | Penumbra Inc | F — Tax withholding / forfeiture | 300 | $245.55 | $74K |
| 2024-12-03 | PEN | Penumbra Inc | M — Option exercise [10b5-1] | 5.2K | $12.36 | $65K |
| 2024-12-03 | PEN | Penumbra Inc | S — Open-market sale [10b5-1] | 654 | $243.01 | $159K |
| 2024-12-03 | PEN | Penumbra Inc | S — Open-market sale [10b5-1] | 1.8K | $242.56 | $436K |
| 2024-11-19 | PEN | Penumbra Inc | F — Tax withholding / forfeiture | 504 | $237.84 | $120K |
| 2024-11-19 | PEN | Penumbra Inc | A — Grant or award | 2.6K | $0.00 |
Shiu Lambert is a corporate insider — currently tracked as Chief Accounting Officer. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($595K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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