Form4insider filings, from the source

Company · CIK 0001111928 · SIC 3674 — Semiconductors & Related Devices · Nasdaq

IPG PHOTONICS CORP · IPGP

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.1M · 1net −$2.1M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 4:23 pm EDTValentin Gapontsev Trust I10% Owner27,397$75.42$2,066,1866,642,886−0.41%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.