Form4insider filings, from the source

Insider · CIK 0001883022

Curtis Liu

Files at: AMPL. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $361k · 2net −$361k
$10k$10k$100k$100k$1M$1MbuyssalesMay 31May 31May 31Jun 1Jun 1Jun 1Jun 2

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—
Jun 1, 2026 SForm 4/A →Jun 16, 5:15 pm EDTAmplitude, Inc.AMPL22,786$8.03$182,8781,004,194−2.22%10b5-1
Jun 1, 2026 SForm 4 →Jun 3, 5:17 pm EDTAmplitude, Inc.AMPL22,201$8.03$178,1831,004,779−2.16%10b5-1

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—