Samartsev Igor 4

What Happened
Igor Samartsev, SVP and Chief Scientist at IPG Photonics (IPGP), had 836 shares withheld to satisfy tax withholding on restricted stock units that vested. The shares were valued at $131.57 each, for a total withholding of $109,993. This transaction is a tax-related disposition (code F), a routine administrative action rather than an open-market sale or a new purchase.

Key Details

• Transaction date: 2026-03-01; Form filed: 2026-03-03 (no late-filing flag indicated)
• Withheld shares: 836 at $131.57 per share; total value $109,993
• Transaction code: F — shares withheld to cover tax liability on vested RSUs (per footnote F1)
• Shares owned after transaction: not disclosed on this Form 4
• Related-party note: Footnote F2 states Ms. Pavlova, a director, is an indirect beneficial owner of these shares as Samartsev’s spouse.

Context
This was a tax-withholding event tied to vested restricted stock units, not an intentional sale to express a view on the stock. Such withholding is common when RSUs vest and typically does not signal insider sentiment in the same way open-market purchases or sales might.