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Other insiders

Valentin Gapontsev Trust I

Transactions disclosed by this reporting insider. Insider filers can be individuals or organisations.

Source last checked 2026-10-12 01:37 UTC. Reporting dates appear with the records.

Stock growth & value

Stocks linked to collected disclosures. Prices refresh in the background; the chart shows its actual price dates.

Latest stored close
$78.27
IPGP · 2026-10-09 · USD
Stock price change
−$4.95
-5.95% over the displayed dates
Chart dates
2025-10-13 – 2026-10-09
Completed daily price dates

Stock price · move across the chart or use arrow keys

Oct 13, 2025Oct 9, 2026
Starting investment
$10K
2025-10-13 · hypothetical
Investment value
$9.4K
As of 2026-10-09
Estimated gain / loss
−$594.81
-5.95%

Illustration assumes buying this stock at the first displayed close and holding through the last. It does not represent this person's investment or earnings. Uses stored split-adjusted closing prices, without dividends, fees or taxes. Only mapped USD share positions qualify for firm estimates; options, debt and unmapped holdings are excluded. This chart covers the selected stock.

Collected Form 4 activity · 2026-07-21 – 2026-09-02. Priced non-derivative purchases and sales, including scheduled trades; excludes grants, exercises and tax withholding. These totals do not change with the chart period.

Disclosed purchases
—
No priced purchase collected
Disclosed sales
$7.8M
Sale proceeds, not profit

7 transaction lines

SEC Form 4 records. Grants, exercises, tax withholding and scheduled sales retain their labels.

CompanyActionValue
IPGPIPG Photonics Corp2026-09-02
Sale10b5-1 plan
$347.3K
IPGPIPG Photonics Corp2026-09-02
Sale10b5-1 plan
$359.5K
IPGPIPG Photonics Corp2026-09-01
Sale10b5-1 plan
$1.4M
IPGPIPG Photonics Corp2026-07-21
Sale10b5-1 plan
$100.1K
IPGPIPG Photonics Corp2026-07-21
Sale10b5-1 plan
$718.5K
IPGPIPG Photonics Corp2026-07-21
Sale10b5-1 plan
$2.5M
IPGPIPG Photonics Corp2026-07-21
Sale10b5-1 plan
$2.5M

Original sources

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