Wong Catherine
Director · AMPL
As of 2026-09-16, Wong Catherine has 6 Form 4 transactions on record across 1 company — 2 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 $1.5M
- Indirect $0
| AMPL | direct | 111,462 sh | $1.5M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-12 | AMPL | Sale | 7,453 @ $6.79 | $51K | −6.3% of holding | 111,462 | Form 4 |
| 2025-06-11 | AMPL | Sale | 8,502 @ $12.49 | $106K | −9.7% of holding | 79,152 | Form 4 |
| 2025-05-19 | AMPL | Sale | 3,515 @ $11.75 | $41K | −3.9% of holding | 87,654 | Form 4 |
| 2025-03-11 | AMPL | Sale | 3,515 @ $12.04 | $42K | −3.7% of holding | 91,169 | Form 4 |
2 award / exercise / gift records — not counted as purchases
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.