InsiderTrades

Form 4 for AMPL Amplitude, Inc.

Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-15 · accession 0001562180-25-005898 · 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
2025-08-19 2025-08-15 AMPL Casey Andrew CFO F - Tax $11.47 -54.4K 1.13M -5% -$624.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-08-15 F D 54,399 $11.47 1,128,108 D — — (F2) Includes 883,657 RSUs.