Shiu Lambert
Officer · PEN
As of 2026-09-16, Shiu Lambert has 25 Form 4 transactions on record across 1 company — 8 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $12.5M
- Indirect $0
| PEN | direct | 39,323 sh | $12.5M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-03-04 | PEN | Sale | 501 @ $282.88 | $142K | −1.5% of holding | 32,969 | Form 4 |
| 2025-03-03 | PEN | Sale | 2,850 @ $286.28 | $816K | −10.0% of holding | 25,600 | Form 4 |
| 2025-03-03 | PEN | Sale | 1,672 @ $285.16 | $477K | −5.6% of holding | 28,450 | Form 4 |
| 2025-03-03 | PEN | Sale | 956 @ $288.88 | $276K | −3.8% of holding | 24,296 | Form 4 |
| 2025-03-03 | PEN | Sale | 886 @ $283.15 | $251K | −2.8% of holding | 30,672 | Form 4 |
| 2025-03-03 | PEN | Sale | 550 @ $283.96 | $156K | −1.8% of holding | 30,122 | Form 4 |
| 2025-03-03 | PEN | Sale | 348 @ $288.57 | $100K | −1.4% of holding | 25,252 | Form 4 |
| 2025-03-03 | PEN | Sale | 26 @ $289.76 | $8K | −0.1% of holding | 24,270 | Form 4 |
17 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-15 | PEN | Withheld for tax | 150 | 39,323 | Form 4 |
| 2026-02-17 | PEN | Award / grant | 2,300 | 39,473 | Form 4 |
| 2026-02-15 | PEN | Withheld for tax | 412 | 37,173 | Form 4 |
| 2026-02-13 | PEN | Award / grant | 2,300 | 37,585 | Form 4 |
| 2025-12-15 | PEN | Withheld for tax | 300 | 35,285 | Form 4 |
| 2025-11-17 | PEN | Award / grant | 3,580 | 35,565 | Form 4 |
| 2025-11-15 | PEN | Withheld for tax | 506 | 31,985 | Form 4 |
| 2025-11-15 | PEN | Withheld for tax | 346 | 32,491 | Form 4 |
| 2025-03-15 | PEN | Withheld for tax | 213 | 32,756 | Form 4 |
| 2025-03-04 | PEN | Option exercise | 9,200 | 33,470 | Form 4 |
| 2025-03-04 | PEN | Option exercise | 9,200 | 0 | Form 4 |
| 2025-02-18 | PEN | Withheld for tax | 95 | 31,558 | Form 4 |
| 2025-02-18 | PEN | Award / grant | 1,510 | 31,653 | Form 4 |
| 2025-02-14 | PEN | Option exercise | 4,525 | 29,503 | Form 4 |
| 2025-02-14 | PEN | Award / grant | 640 | 30,143 | Form 4 |
| 2025-02-14 | PEN | Option exercise | 4,525 | 9,200 | Form 4 |
| 2024-12-15 | PEN | Withheld for tax | 300 | 24,978 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.