Form4insider filings, from the source

Insider · CIK 0001883022

Curtis Liu

Files at: AMPL. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 17, 2026 FForm 4 →Aug 18, 5:19 pm EDTAmplitude, Inc.AMPL53,878$13.03$702,030950,316—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 8, 2026 GForm 4 →Jul 10, 4:13 pm EDTAmplitude, Inc.AMPL350,000——175,000—