Buttarazzi Mary E. 4

What Happened

• Mary E. Buttarazzi, Vice President, Corporate Controller and Chief Accounting Officer of IPG Photonics (IPGP), had 435 shares withheld to satisfy tax withholding related to vested restricted stock units (RSUs). The withholding was reported as a disposition of 435 shares at $131.57 per share, totaling $57,233 on 2026-03-01.
• This was a tax-withholding event (code F), not an open-market sale or a purchase; it’s a routine administrative disposition tied to RSU vesting.

Key Details

• Transaction date and price: 2026-03-01, 435 shares at $131.57 per share (total $57,233).
• Transaction type/code: F — shares withheld to cover tax liability for vested RSUs.
• Footnote: F1 — represents shares withheld to cover taxes for restricted stock units which have vested.
• Filing: Report filed 2026-03-03 (appears timely relative to the 2026-03-01 transaction).
• Shares owned after transaction: Not specified in the provided filing excerpt.

Context

• Share withholding to cover taxes is common when RSUs vest; withheld shares are an internal disposition and do not reflect an open-market sale or a direct view on the company’s prospects. Retail investors should view this as a routine tax-related transaction rather than a trading signal.