Lee Chan W
Officer · AMBA
As of 2026-09-16, Lee Chan W has 25 Form 4 transactions on record across 1 company — 10 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.
Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $9.9M
- Indirect $0
| AMBA | direct | 157,098 sh | $9.9M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-17 | AMBA | Sale | 2,951 @ $67.87 | $200K | −1.8% of holding | 157,098 | Form 4 |
| 2026-03-19 | AMBA | Sale | 3,641 @ $54.14 | $197K | −2.2% of holding | 160,049 | Form 4 |
| 2026-03-17 | AMBA | Sale | 6,729 @ $52.77 | $355K | −4.1% of holding | 156,370 | Form 4 |
| 2025-12-17 | AMBA | Sale | 2,406 @ $71.82 | $173K | −1.9% of holding | 124,566 | Form 4 |
| 2025-09-17 | AMBA | Sale | 1,947 @ $79.43 | $155K | −1.5% of holding | 126,972 | Form 4 |
| 2025-06-17 | AMBA | Sale | 1,601 @ $52.26 | $84K | −1.2% of holding | 128,696 | Form 4 |
| 2025-03-18 | AMBA | Sale | 1,468 @ $55.02 | $81K | −1.1% of holding | 130,297 | Form 4 |
| 2025-03-06 | AMBA | Sale | 2,108 @ $55.11 | $116K | −1.6% of holding | 131,531 | Form 4 |
| 2025-01-16 | AMBA | Sale | 1,000 @ $77.21 | $77K | −0.9% of holding | 109,918 | Form 4 |
| 2025-01-15 | AMBA | Sale | 1,000 @ $75.90 | $76K | −0.9% of holding | 110,918 | Form 4 |
| 2025-01-08 | AMBA | Sale | 1,000 @ $73.48 | $73K | −0.9% of holding | 114,918 | Form 4 |
| 2025-01-07 | AMBA | Sale | 1,000 @ $78.73 | $79K | −0.9% of holding | 115,918 | Form 4 |
| 2025-01-06 | AMBA | Sale | 1,000 @ $79.15 | $79K | −0.8% of holding | 116,918 | Form 4 |
| 2025-01-03 | AMBA | Sale | 1,000 @ $75.06 | $75K | −0.8% of holding | 117,918 | Form 4 |
| 2025-01-02 | AMBA | Sale | 1,000 @ $73.32 | $73K | −0.8% of holding | 118,918 | Form 4 |
| 2024-12-16 | AMBA | Sale | 1,488 @ $75.41 | $112K | −1.2% of holding | 119,918 | Form 4 |
9 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-18 | AMBA | Award / grant | 7,320 | 163,690 | Form 4 |
| 2026-03-17 | AMBA | Option exercise | 13,678 | 0 | Form 4 |
| 2026-03-17 | AMBA | Option exercise | 13,678 | 163,099 | Form 4 |
| 2026-03-17 | AMBA | Option exercise | 13,678 | 163,099 | Form 4 |
| 2026-03-02 | AMBA | Award / grant | 24,701 | 149,267 | Form 4 |
| 2026-03-02 | AMBA | Award / grant | 24,701 | 24,701 | Form 4 |
| 2025-03-05 | AMBA | Award / grant | 5,465 | 133,639 | Form 4 |
| 2025-02-28 | AMBA | Award / grant | 18,256 | 18,256 | Form 4 |
| 2025-02-28 | AMBA | Award / grant | 18,256 | 128,174 | 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.