Form4insider filings, from the source

Insider · CIK 0000830588

SUMMIT PARTNERS L P

Files at: KVYO, ATEN, CASA, ACIA, MTSI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $88.5M · 1net −$88.5M
$10k$10k$1M$1M$100M$100MbuyssalesJun 27Jul 12Jul 27Aug 12Aug 27Sep 12Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 11, 2026 SForm 4 →Aug 13, 4:30 pm EDTKlaviyo, Inc.KVYO5,000,000$17.71$88,550,0000−100%
Aug 11, 2026 CForm 4 →Aug 13, 4:30 pm EDTKlaviyo, Inc.KVYO5,000,000——5,000,000—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 11, 2026 CForm 4 →Aug 13, 4:30 pm EDTKlaviyo, Inc.KVYO5,000,000——13,852,778—