Shiu Lambert
SEC insider (Form 3/4/5 filer). CIK 0001796068. Chief Accounting Officer at Penumbra Inc (PEN). 28 reported Form 4/5 transactions since Sep 2024; latest on Mar 15, 2026. Located in ALAMEDA, CA.
Companies Shiu Lambert has filed insider reports for
- Penumbra Inc (PEN): Officer, Chief Accounting Officer
Shiu Lambert
CIK: 0001796068
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)10 (35.7%)
Position reduction
Option Exercises (M)3 (10.7%)
Derivative conversions
Awards (A)6 (21.4%)
Compensation grants
Other (G, F, J, C, D, …)9 (32.1%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
PEN
Penumbra Inc
Officer
Discretionary Trading P&L
Holdings
Transaction History (28 total)
- Mar 15, 2026PEN
Penumbra Inc
Tax PaymentDirect150 shares at avg. $336.18$50K - Feb 17, 2026PEN
Penumbra Inc
AwardDirect2.3K shares- - Feb 15, 2026PEN
Penumbra Inc
Tax PaymentDirect412 shares at avg. $339.30$140K - Feb 13, 2026PEN
Penumbra Inc
AwardDirect2.3K shares- - Dec 15, 2025PEN
Penumbra Inc
Tax PaymentDirect300 shares at avg. $309.15$93K - Nov 17, 2025PEN
Penumbra Inc
AwardDirect3.6K shares- - Nov 15, 2025PEN
Penumbra Inc
Tax PaymentDirect346 shares at avg. $280.07$97K - Nov 15, 2025PEN
Penumbra Inc
Tax PaymentDirect506 shares at avg. $280.07$142K - Mar 15, 2025PEN
Penumbra Inc
Tax PaymentDirect213 shares at avg. $272.62$58K - Mar 4, 2025PEN
Penumbra Inc
ExerciseDirect9.2K shares at avg. $22.04$203K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 15, 2026 | PEN Penumbra Inc | Tax Payment | 150 | $336.18 | $50,427 | Direct |
| Feb 17, 2026 | PEN Penumbra Inc | Award | 2,300 | - | $0 | Direct |
| Feb 15, 2026 | PEN Penumbra Inc | Tax Payment | 412 | $339.30 | $139,792 | Direct |
| Feb 13, 2026 | PEN Penumbra Inc | Award | 2,300 | - | $0 | Direct |
| Dec 15, 2025 | PEN Penumbra Inc | Tax Payment | 300 | $309.15 | $92,745 | Direct |
| Nov 17, 2025 | PEN Penumbra Inc | Award | 3,580 | - | - | Direct |
| Nov 15, 2025 | PEN Penumbra Inc | Tax Payment | 346 | $280.07 | $96,904 | Direct |
| Nov 15, 2025 | PEN Penumbra Inc | Tax Payment | 506 | $280.07 | $141,715 | Direct |
| Mar 15, 2025 | PEN Penumbra Inc | Tax Payment | 213 | $272.62 | $58,068 | Direct |
| Mar 4, 2025 | PEN Penumbra Inc | Exercise | 9,200 | $22.04 | $202,768 | Direct |
1-10 of 28 transactions