Valentin Gapontsev Trust I

SEC Form 4 insider trading activity

Valentin Gapontsev Trust I has filed 9 SEC Form 4 filings (59 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.

On the most recent filing, Valentin Gapontsev Trust I is listed as 10% Owner at IPG PHOTONICS CORP. Inside the rolling window, Valentin Gapontsev Trust I reported no open-market purchases and 12 open-market sales totaling $31.9M in IPGP. The largest disclosed transaction in the window is a sale of 66,500 IPGP shares on Feb 17, 2026, worth $8.7M.

Companies traded

Other insiders at IPGP

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$31.9M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
IPGPSale$1.4MSep 3SEC ↗
IPGPSale$707KSep 3SEC ↗
IPGPSale$5.8MJul 22SEC ↗
IPGPSale$8.7MFeb 18SEC ↗
IPGPSale$637KJan 16SEC ↗
IPGPSale$1.4MJan 14SEC ↗
IPGPSale$1.8MJan 14SEC ↗
IPGPSale$1.4MJan 14SEC ↗
IPGPSale$3.1MDec 16SEC ↗
IPGPSale$2.1MDec 16SEC ↗
IPGPSale$1.4MNov 19SEC ↗
IPGPSale$3.6MNov 19SEC ↗
Showing 1–12 of 12
1 / 1

Earlier trades

Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.

DateTickerTypeValue
Oct 15, 2025IPGPSale$621K
Oct 15, 2025IPGPSale$438K
Oct 15, 2025IPGPSale$448K
Oct 14, 2025IPGPSale$289K
Oct 14, 2025IPGPSale$702K
Oct 14, 2025IPGPSale$247K
Oct 14, 2025IPGPSale$134K
Oct 13, 2025IPGPSale$88K
Oct 13, 2025IPGPSale$2.5M
Oct 13, 2025IPGPSale$137K
Sep 16, 2025IPGPSale$1.1M
Sep 15, 2025IPGPSale$1.2M
Sep 15, 2025IPGPSale$3.1M
Showing 1–13 of 13
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Valentin Gapontsev Trust I made?

Valentin Gapontsev Trust I has filed 9 SEC Form 4 filings (59 transaction rows) across 1 company since 2025.

Which companies does Valentin Gapontsev Trust I trade?

Valentin Gapontsev Trust I has filed SEC Form 4 disclosures for 1 company, including IPGP.

When was Valentin Gapontsev Trust I's most recent SEC Form 4 filing?

Valentin Gapontsev Trust I's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.

What is Valentin Gapontsev Trust I's total buy and sell value in the current window?

Inside the rolling retention window, Valentin Gapontsev Trust I bought $0 and sold $31.9M based on SEC Form 4 filings.

What was Valentin Gapontsev Trust I's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 66,500 IPGP shares on 2026-02-17, worth $8.7M, per SEC Form 4 filings.