Wong Catherine — SEC Form 4 filings
SEC reporting owner CIK 1744910. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-15.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-26 to 2026-06-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 8 legs across 8 filings — 37,045 shares, $378,338 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 3.
- Largest priced transaction: sale of 8,502 shares @ $12.49 ($106,204) in Amplitude, Inc., filed 2025-06-13.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Amplitude, Inc. (AMPL) | Director | 11 | — | 8 legs · 37,045 sh · $378,338 | 3 |
Form 4 filings — Wong Catherine
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-15 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 7,453 @ $6.79 | EDGAR |
| 2026-06-11 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2025-06-16 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 14,906 @ $0 | EDGAR |
| 2025-06-13 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 8,502 @ $12.49 | EDGAR |
| 2025-05-21 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $11.75 | EDGAR |
| 2025-03-12 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $12.04 | EDGAR |
| 2024-11-19 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $9.57 | EDGAR |
| 2024-08-20 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $8.54 | EDGAR |
| 2024-06-13 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 18,894 @ $0 | EDGAR |
| 2024-05-20 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $9.16 | EDGAR |
| 2024-02-26 | 4 | Amplitude, Inc. (AMPL) | Sale (S): 3,515 @ $11.97 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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