Form 4 for AMPL Amplitude, Inc.
Accepted 2026-08-18 17:19:27 ET · period of report 2026-08-17 · accession 0001866692-26-000013 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 17:19 | 2026-08-17 | AMPL | Liu Curtis | CTO, Dir, 10% | F - Tax | $13.03 | -53.9K | 950.3K | -5% | -$702.0K |
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 | 2026-08-17 | F | D | 53,878 | $13.03 | 950,316 | D | — | — | (F1) Represents shares of the Issuer's Class A Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of the Issuer's Class A Common Stock delivered to the reporting person on August 15, 2026, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the Reporting Person. (F2) Includes 774,628 RSUs. |