Peter Porshnev

Peter Porshnev: Chief Technology Officer at Veeco. What Peter Porshnev 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.

Veeco (VECO)

Peter Porshnev holds 195,059 Veeco shares (0.32% of the company), worth about $9.9M at the last price, according to the Form 4 of Mar 20, 2026.

• Shares held: 195,059 (0.32%), $9.9M — Held in their own name.
• Share units: 21,200 (0.03%), $1.1M — Veeco promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• Veeco (VECO) — Form 4 of Mar 20, 2026 (Chief Technology Officer): option exercise or conversion of 26,910; shares withheld for tax of 11,397 at $31.00; 195,059 shares after 0001805363-26-000006
• Veeco (VECO) — Form 4 of Mar 16, 2026 (SVP, UNIFIED ENGINEERING): option exercise or conversion of 2,800; shares withheld for tax of 1,335 at $31.46; 178,953 shares after 0001805363-26-000004
• Veeco (VECO) — Form 4/A of Mar 10, 2026 (Chief Technology Officer); 163,059 shares after 0001805363-26-000008
• Veeco (VECO) — Form 4 of Mar 10, 2026 (SVP, UNIFIED ENGINEERING): option exercise or conversion of 32,000; 174,353 shares after 0001805363-26-000002
• Veeco (VECO) — Form 4 of Jun 30, 2025 (SVP, UNIFIED ENGINEERING): grant or award of 926 at $17.27; 142,353 shares after 0001415889-25-019041
• Veeco (VECO) — Form 4 of Mar 24, 2025 (SVP, UNIFIED ENGINEERING): option exercise or conversion of 14,349; shares withheld for tax of 6,077 at $21.16; 141,427 shares after 0001415889-25-009029
• Veeco (VECO) — Form 4 of Mar 17, 2025 (SVP, UNIFIED ENGINEERING): option exercise or conversion of 2,666; shares withheld for tax of 1,203 at $21.30; 133,155 shares after 0001415889-25-008396
• Veeco (VECO) — Form 4 of Mar 13, 2025 (SVP, UNIFIED ENGINEERING): option exercise or conversion of 2,800; shares withheld for tax of 1,335 at $21.40; 132,928 shares after 0001415889-25-008101
• Veeco (VECO) — Form 4 of Jun 28, 2024 (SVP, UNIFIED ENGINEERING): grant or award of 819 at $25.96; 131,463 shares after 0001415889-24-019522

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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