Igor Samartsev
Igor Samartsev: SVP, Chief Scientist at IPG Photonics. What Igor Samartsev 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)
Igor Samartsev holds 958,523 IPG Photonics shares (2.3% of the company), worth about $80.9M at the last price, according to the Form 4 of May 12, 2026.
- Shares held: 715,791 (1.7%), $60.4M — Held through trusts (By Trust 2015, By Trust Sept. 2015, By Trust-G4 2016, By Trust-I 2016).
- Shares held: 121,951 (0.29%), $10.3M — Held through companies or funds.
- Shares held: 115,701 (0.27%), $9.8M — Held by a spouse or a family member (By Wife).
- Shares held: 5,080 (0.01%), $428,650.40 — Held in their own name.
Declarations
- IPG Photonics (IPGP) — Form 4 of May 12, 2026 (SVP, Chief Scientist): grant or award of 2,436; 958,523 shares after 0001111928-26-000105
- IPG Photonics (IPGP) — Form 4 of Mar 9, 2026 (SVP, Chief Scientist); 956,087 shares after 0001111928-26-000070
- IPG Photonics (IPGP) — Form 4 of Mar 1, 2026 (SVP, Chief Scientist): shares withheld for tax of 836 at $131.57; 956,087 shares after 0001111928-26-000053
- IPG Photonics (IPGP) — Form 4 of Feb 19, 2026 (SVP, Chief Scientist); 956,923 shares after 0001111928-26-000042
- IPG Photonics (IPGP) — Form 4 of Feb 18, 2026 (SVP, Chief Scientist): grant or award of 1,688; 947,326 shares after 0001111928-26-000029
- IPG Photonics (IPGP) — Form 4 of Feb 17, 2026 (SVP, Chief Scientist): option exercise or conversion of 3,363 at $81.89; 955,235 shares after 0001111928-26-000021
- IPG Photonics (IPGP) — Form 4 of Aug 29, 2025 (SVP, Chief Scientist); 951,872 shares after 0001111928-25-000136
- IPG Photonics (IPGP) — Form 4 of May 20, 2025 (SVP, Chief Scientist): grant or award of 3,759; 951,872 shares after 0001111928-25-000104
- IPG Photonics (IPGP) — Form 4 of Mar 1, 2025 (SVP, Chief Scientist): shares withheld for tax of 821; 948,113 shares after 0001111928-25-000029
- IPG Photonics (IPGP) — Form 4 of Feb 14, 2025 (SVP, Chief Scientist): grant or award of 3,672; 948,934 shares after 0001111928-25-000015
- IPG Photonics (IPGP) — Form 4 of Dec 3, 2024 (SVP, Chief Scientist); 945,262 shares after 0001111928-24-000139
- IPG Photonics (IPGP) — Form 4 of Nov 25, 2024 (SVP, Chief Scientist); 945,262 shares after 0001111928-24-000137
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.