Richard B. Cassidy II
Richard B. Cassidy II: Director at Sandisk and Director at Microchip. What Richard B. Cassidy II holds in 2 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Sandisk (SNDK)
Richard B. Cassidy II holds 4,914 Sandisk shares (0.00% of the company), worth about $8.3M at the last price, according to the Form 4 of Nov 18, 2025.
- Shares held: 4,914 (0.00%), $8.3M — Held in their own name.
Microchip (MCHP)
Richard B. Cassidy II holds 4,348 Microchip shares (0.00% of the company), worth about $354,883.76 at the last price, according to the Form 4 of Aug 18, 2026.
- Shares held: 4,348 (0.00%), $354,883.76 — Held in their own name.
- Share units: 2,557 (0.00%), $208,702.34 — Microchip promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Microchip (MCHP) — Form 4 of Aug 18, 2026: option exercise or conversion of 3,090 at $80.26; 4,348 shares after 0000827054-26-000049
- Sandisk (SNDK) — Form 4 of Nov 18, 2025: grant or award of 1,143; 4,914 shares after 0001363249-25-000113
- Microchip (MCHP) — Form 4 of Aug 19, 2025: option exercise or conversion of 1,258 at $65.56; 1,258 shares after 0000827054-25-000168
- Microchip (MCHP) — Form 3 of May 2, 2025; 0 shares after 0000827054-25-000063
- Sandisk (SNDK) — Form 4 of Mar 3, 2025: grant or award of 3,771; 3,771 shares after 0001363249-25-000017
- Sandisk (SNDK) — Form 3 of Feb 21, 2025; 0 shares after 0001363249-25-000010
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.