Who
Lambert Shiu
Chief Accounting Officer
Company insider
Files Form 4 as: Chief Accounting Officer, Penumbra.
In numbers
- Trades disclosed
- 52
- Buys
- 0
- Sells
- 4
- Bought
- $0
- Sold
- $2.8M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 9 Feb 2020
- Last trade
- 15 Mar 2026
- Last filed
- 17 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 15 Mar 2026filed 17 Mar 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $50K150 at $336.18 | filing |
| 15 Mar 2026filed 17 Mar 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $50K150 at $336.18 | filing |
| 17 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code A | —2,300 at $0.00 | filing |
| 17 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code A | —2,300 at $0.00 | filing |
| 15 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $140K412 at $339.30 | filing |
| 15 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $140K412 at $339.30 | filing |
| 13 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code A | —2,300 at $0.00 | filing |
| 13 Feb 2026filed 18 Feb 2026 | PEN PenumbraMedical Devices | SEC FORM 4 Code A | —2,300 at $0.00 | filing |
| 15 Dec 2025filed 17 Dec 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $93K300 at $309.15 | filing |
| 17 Nov 2025filed 18 Nov 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code A | —3,580 at $0.00 | filing |
| 15 Nov 2025filed 18 Nov 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $97K346 at $280.07 | filing |
| 15 Nov 2025filed 18 Nov 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $142K506 at $280.07 | filing |
| 15 Mar 2025filed 18 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code F | $58K213 at $272.62 | filing |
| 4 Mar 2025filed 5 Mar 2025 | PEN Penumbraoption or derivative · Medical Devices | SEC FORM 4 Code M | —9,200 at $0.00 | filing |
| 4 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Code M | $203K9,200 at $22.04 | filing |
| 4 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Sold | $142K501 at $282.88 | filing |
| 3 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Sold | $251K886 at $283.15 | filing |
| 3 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Sold | $156K550 at $283.96 | filing |
| 3 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Sold | $477K1,672 at $285.16 | filing |
| 3 Mar 2025filed 5 Mar 2025 | PEN PenumbraMedical Devices | SEC FORM 4 Sold | $816K2,850 at $286.28 | filing |
News
No headline names them, or the companies they trade most, lately.