Form 4 for AMPL Amplitude, Inc.
Accepted 2025-11-18 00:00:00 ET · period of report 2025-11-15 · accession 0001883022-25-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-18 | 2025-11-15 | AMPL | Liu Curtis | CTO, Dir, 10% | F - Tax | $10.73 | -36.1K | 757.0K | -5% | -$387.3K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2025-11-15 | F | D | 36,092 | $10.73 | 756,952 | D | — | — | (F2) Includes 639,658 RSUs. |