Lambert Shiu
CIK: 0001796068
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Penumbra Inc
Discretionary Trading P&L
Holdings
Transaction History (28 total)
- Mar 15, 2026PEN
Penumbra Inc
Tax Payment(F)Direct150 shares at avg. $336.18$50K - Feb 17, 2026PEN
Penumbra Inc
Award(A)Direct2.3K shares- - Feb 15, 2026PEN
Penumbra Inc
Tax Payment(F)Direct412 shares at avg. $339.30$140K - Feb 13, 2026PEN
Penumbra Inc
Award(A)Direct2.3K shares- - Dec 15, 2025PEN
Penumbra Inc
Tax Payment(F)Direct300 shares at avg. $309.15$93K - Nov 17, 2025PEN
Penumbra Inc
Award(A)Direct3.6K shares- - Nov 15, 2025PEN
Penumbra Inc
Tax Payment(F)Direct506 shares at avg. $280.07$142K - Nov 15, 2025PEN
Penumbra Inc
Tax Payment(F)Direct346 shares at avg. $280.07$97K - Mar 15, 2025PEN
Penumbra Inc
Tax Payment(F)Direct213 shares at avg. $272.62$58K - Mar 4, 2025PEN
Penumbra Inc
Exercise(M)Direct9.2K shares at avg. $22.04$203K - Mar 4, 2025PEN
Penumbra Inc
Sale(S)Direct501 shares at avg. $282.88$142K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct550 shares at avg. $283.96$156K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct1.7K shares at avg. $285.16$477K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct2.9K shares at avg. $286.28$816K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct348 shares at avg. $288.57$100K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct26 shares at avg. $289.76$8K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct956 shares at avg. $288.88$276K - Mar 3, 2025PEN
Penumbra Inc
Sale(S)Direct886 shares at avg. $283.15$251K - Feb 18, 2025PEN
Penumbra Inc
Award(A)Direct1.5K shares- - Feb 18, 2025PEN
Penumbra Inc
Tax Payment(F)Direct95 shares at avg. $271.14$26K - Feb 14, 2025PEN
Penumbra Inc
Exercise(M)Direct4.5K shares at avg. $22.04$100K - Feb 14, 2025PEN
Penumbra Inc
Award(A)Direct640 shares- - Dec 15, 2024PEN
Penumbra Inc
Tax Payment(F)Direct300 shares at avg. $245.55$74K - Dec 3, 2024PEN
Penumbra Inc
Exercise(M)Direct5.3K shares at avg. $12.36$65K - Dec 2, 2024PEN
Penumbra Inc
Sale(S)Direct654 shares at avg. $243.01$159K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 15, 2026 | PEN Penumbra Inc | Tax Payment(F) | 150 | $336.18 | $50,427 | Direct |
| Feb 17, 2026 | PEN Penumbra Inc | Award(A) | 2,300 | - | $0 | Direct |
| Feb 15, 2026 | PEN Penumbra Inc | Tax Payment(F) | 412 | $339.30 | $139,792 | Direct |
| Feb 13, 2026 | PEN Penumbra Inc | Award(A) | 2,300 | - | $0 | Direct |
| Dec 15, 2025 | PEN Penumbra Inc | Tax Payment(F) | 300 | $309.15 | $92,745 | Direct |
| Nov 17, 2025 | PEN Penumbra Inc | Award(A) | 3,580 | - | - | Direct |
| Nov 15, 2025 | PEN Penumbra Inc | Tax Payment(F) | 506 | $280.07 | $141,715 | Direct |
| Nov 15, 2025 | PEN Penumbra Inc | Tax Payment(F) | 346 | $280.07 | $96,904 | Direct |
| Mar 15, 2025 | PEN Penumbra Inc | Tax Payment(F) | 213 | $272.62 | $58,068 | Direct |
| Mar 4, 2025 | PEN Penumbra Inc | Exercise(M) | 9,200 | $22.04 | $202,768 | Direct |
| Mar 4, 2025 | PEN Penumbra Inc | Sale(S) | 501 | $282.88 | $141,723 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 550 | $283.96 | $156,178 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 1,672 | $285.16 | $476,788 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 2,850 | $286.28 | $815,898 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 348 | $288.57 | $100,422 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 26 | $289.76 | $7,534 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 956 | $288.88 | $276,169 | Direct |
| Mar 3, 2025 | PEN Penumbra Inc | Sale(S) | 886 | $283.15 | $250,871 | Direct |
| Feb 18, 2025 | PEN Penumbra Inc | Award(A) | 1,510 | - | - | Direct |
| Feb 18, 2025 | PEN Penumbra Inc | Tax Payment(F) | 95 | $271.14 | $25,758 | Direct |
| Feb 14, 2025 | PEN Penumbra Inc | Exercise(M) | 4,525 | $22.04 | $99,731 | Direct |
| Feb 14, 2025 | PEN Penumbra Inc | Award(A) | 640 | - | - | Direct |
| Dec 15, 2024 | PEN Penumbra Inc | Tax Payment(F) | 300 | $245.55 | $73,665 | Direct |
| Dec 3, 2024 | PEN Penumbra Inc | Exercise(M) | 5,250 | $12.36 | $64,890 | Direct |
| Dec 2, 2024 | PEN Penumbra Inc | Sale(S) | 654 | $243.01 | $158,929 | Direct |
1-25 of 28 transactions
About Shiu Lambert
Shiu Lambert (SEC CIK 0001796068) files insider reports with the SEC as Chief Accounting Officer of Penumbra Inc (PEN).
Signal8 holds 10 ownership filings by Shiu Lambert, all Form 4s, filed between Nov 19, 2024 and Mar 17, 2026. Those filings report 28 transactions, from Nov 15, 2024 to Mar 15, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Shiu Lambert's filings is in ALAMEDA, CA.
Recent filings by Shiu Lambert
- Mar 15, 2026: Tax withholding of PEN shares (Form 4, code F).
- Feb 17, 2026: Grant or award of PEN shares (Form 4, code A).
- Feb 15, 2026: Tax withholding of PEN shares (Form 4, code F).
- Feb 13, 2026: Grant or award of PEN shares (Form 4, code A).
- Dec 15, 2025: Tax withholding of PEN shares (Form 4, code F).
Other insiders filing for Penumbra Inc (PEN)
- Narayan Shruthi, President
- Elsesser Adam, CEO and President
- Grewal Harpreet, Director
- Roberts Johanna, EVP, Gen. Counsel & Secretary
- Yuen Maggie, Chief Financial Officer
- Bose Arani, Director