Geoffrey G. Ribar
Geoffrey G. Ribar: Director at MACOM. What Geoffrey G. Ribar 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.
MACOM (MTSI)
Geoffrey G. Ribar holds 12,563 MACOM shares (0.02% of the company), worth about $3.9M at the last price, according to the Form 4 of May 11, 2026.
- Shares held: 12,563 (0.02%), $3.9M — Held in their own name.
Declarations
- MACOM (MTSI) — Form 4 of May 11, 2026: open-market sale of 1,623 at $361.84; 12,563 shares after 0000904454-26-000283
- MACOM (MTSI) — Form 4 of Mar 6, 2026: grant or award of 776; 14,186 shares after 0000904454-26-000172
- MACOM (MTSI) — Form 4 of Feb 25, 2026: open-market sale of 2,244 at $253.59; 13,410 shares after 0000904454-26-000136
- MACOM (MTSI) — Form 4 of Mar 7, 2025: grant or award of 1,623; 15,654 shares after 0000904454-25-000188
- MACOM (MTSI) — Form 4 of Feb 12, 2025: open-market sale of 6,656 at $121.61; 14,031 shares after 0000904454-25-000155
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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