Andreas W. Mattes
Andreas W. Mattes: Director at Wolfspeed and Director at Cohu. What Andreas W. Mattes 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.
Wolfspeed (WOLF)
Andreas W. Mattes holds 16,529 Wolfspeed shares (0.03% of the company), worth about $459,836.78 at the last price, according to the Form 4 of Sep 1, 2026.
- Shares held: 16,529 (0.03%), $459,836.78 — Held in their own name.
Declarations
- Wolfspeed (WOLF) — Form 4 of Sep 1, 2026: grant or award of 16,529; 16,529 shares after 0001628280-26-060125
- Wolfspeed (WOLF) — Form 3 of Jul 28, 2026; 0 shares after 0001628280-26-053977
- Cohu (COHU) — Form 4 of May 15, 2026 0001437749-26-017836
- Cohu (COHU) — Form 4 of May 16, 2025 0001437749-25-017774
- Cohu (COHU) — Form 3 of Nov 1, 2022; 0 shares after 0001209191-22-055207
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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