Mary E. Buttarazzi

Mary E. Buttarazzi: VP, Corp Controller and CAO at IPG Photonics. What Mary E. Buttarazzi holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

IPG Photonics (IPGP)

Mary E. Buttarazzi holds 4,749 IPG Photonics shares (0.01% of the company), worth about $344,349.99 at the last price, according to the Form 4 of Mar 17, 2026.

• Shares held: 4,749 (0.01%), $344,349.99 — Held in their own name.

Declarations

• IPG Photonics (IPGP) — Form 4 of Mar 17, 2026 (VP, Corp Controller and CAO): open-market sale of 500 at $116.22; 4,749 shares after 0001111928-26-000076
• IPG Photonics (IPGP) — Form 4 of Mar 1, 2026 (VP, Corp Controller and CAO): shares withheld for tax of 435 at $131.57; 5,249 shares after 0001111928-26-000057
• IPG Photonics (IPGP) — Form 4 of Feb 18, 2026 (VP, Corp Controller and CAO): grant or award of 1,789; 5,684 shares after 0001111928-26-000037
• IPG Photonics (IPGP) — Form 3 of Mar 1, 2025 (VP, Corp Controller and CAO); 3,895 shares after 0001111928-25-000044

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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