Shiu Lambert
SEC CIK 1796068 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| PEN | Penumbra Inc | CAO | 39.3K | — | $2.82M | 29 | 2021-10-15 | 2026-03-15 |
Most active insiders at PEN, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Bose Arani | Dir | — | $9.06M |
| 2 | Roberts Johanna | EVP, Gen. Counsel, Sec | — | $1.12M |
| 3 | Yuen Maggie | CFO | — | $832.5K |
| 4 | Grewal Harpreet | Dir | — | $208.8K |
| 5 | Wilder Thomas | Dir | — | $105.0K |
| 6 | Narayan Shruthi | Pres | — | — |
| 7 | Shiu Lambert | CAO | — | — |
| 8 | Sarna Surbhi | Dir | — | — |
| 9 | Leeds Janet | Dir | — | — |
| 10 | O'Rourke Bridget | Dir | — | — |
Transactions 29
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-17 | 2026-03-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $336.18 | -150 | 39.3K | -0.4% | -$50.4K | |
| 2026-02-18 | 2026-02-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $339.30 | -412 | 37.2K | -1% | -$139.8K | |
| M | 2026-02-18 | 2026-02-13+ | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +4,600 | 39.5K | +13% | $0 |
| 2025-12-17 | 2025-12-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $309.15 | -300 | 35.3K | -0.8% | -$92.7K | |
| 2025-11-18 | 2025-11-17 | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +3,580 | 35.6K | +11% | $0 | |
| M | 2025-11-18 | 2025-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $280.07 | -852 | 32.5K | -3% | -$238.6K |
| 2025-03-18 | 2025-03-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $272.62 | -213 | 32.8K | -0.6% | -$58.1K | |
| DM | 2025-03-05 | 2025-03-03+ | PEN | Penumbra Inc | Shiu Lambert | CAO | S - Sale+OE | $285.73 | -7,789 | 24.3K | -24% | -$2.23M |
| D | 2025-03-05 | 2025-03-04 | PEN | Penumbra Inc | Shiu Lambert | CAO | M - OptEx | $22.04 | +9,200 | 33.5K | +38% | +$202.8K |
| DM | 2025-02-19 | 2025-02-14+ | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +2,150 | 30.1K | +8% | $0 |
| D | 2025-02-19 | 2025-02-14 | PEN | Penumbra Inc | Shiu Lambert | CAO | M - OptEx | $22.04 | +4,525 | 29.5K | +18% | +$99.7K |
| D | 2025-02-19 | 2025-02-18 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $271.14 | -95 | 31.6K | -0.3% | -$25.8K |
| 2024-12-17 | 2024-12-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $245.55 | -300 | 25.0K | -1% | -$73.7K | |
| D | 2024-12-03 | 2024-12-03 | PEN | Penumbra Inc | Shiu Lambert | CAO | M - OptEx | $12.36 | +5,250 | 25.3K | +26% | +$64.9K |
| DM | 2024-12-03 | 2024-11-29+ | PEN | Penumbra Inc | Shiu Lambert | CAO | S - Sale+OE | $242.68 | -2,452 | 20.0K | -11% | -$595.1K |
| 2024-11-19 | 2024-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $237.84 | -504 | 22.5K | -2% | -$119.9K | |
| 2024-11-19 | 2024-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +2,570 | 23.0K | +13% | $0 | |
| 2024-03-19 | 2024-03-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +1,670 | 20.5K | +9% | $0 | |
| 2024-03-19 | 2024-03-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $222.15 | -232 | 20.3K | -1% | -$51.5K | |
| 2023-12-19 | 2023-12-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $245.48 | -227 | 18.9K | -1% | -$55.7K | |
| 2023-11-16 | 2023-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $227.88 | -381 | 19.1K | -2% | -$86.8K | |
| D | 2023-10-11 | 2023-10-09 | PEN | Penumbra Inc | Shiu Lambert | CAO | M - OptEx | $12.36 | +2,750 | 19.5K | +16% | +$34.0K |
| 2022-12-19 | 2022-12-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +2,230 | 16.5K | +16% | $0 | |
| 2022-11-16 | 2022-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $195.99 | -325 | 14.2K | -2% | -$63.7K | |
| 2022-10-18 | 2022-10-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $179.94 | -346 | 14.6K | -2% | -$62.3K | |
| D | 2022-06-02 | 2022-05-31 | PEN | Penumbra Inc | Shiu Lambert | CAO | M - OptEx | $12.36 | +2,000 | 14.9K | +15% | +$24.7K |
| 2021-11-17 | 2021-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | A - Grant | $0.00 | +3,750 | 12.9K | +41% | $0 | |
| 2021-11-17 | 2021-11-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $257.47 | -130 | 9,167 | -1% | -$33.5K | |
| 2021-10-19 | 2021-10-15 | PEN | Penumbra Inc | Shiu Lambert | CAO | F - Tax | $267.75 | -527 | 9,297 | -5% | -$141.1K |
Purchase Sale Sale after option exercise All abbreviations