Michael R. Cannon
Michael R. Cannon: Director at Lam Research and Director at Seagate. What Michael R. Cannon 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.
Lam Research (LRCX)
Michael R. Cannon holds 191,375 Lam Research shares (0.02% of the company), worth about $65.9M at the last price, according to the Form 4 of Nov 7, 2025.
- Shares held: 191,375 (0.02%), $65.9M — Held in their own name.
Seagate (STX)
Michael R. Cannon holds 20,324 Seagate shares (0.01% of the company), worth about $18.1M at the last price, according to the Form 4 of Oct 19, 2025.
- Shares held: 13,439 (0.01%), $11.9M — Held in their own name.
- Shares held: 6,885 (0.00%), $6.1M — Held through trusts (Michael R. Cannon Trust).
- Share units: 1,868 (0.00%), $1.7M — Seagate promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Lam Research (LRCX) — Form 4 of Nov 7, 2025: grant or award of 1,635; 191,375 shares after 0001201489-25-000005
- Seagate (STX) — Form 4 of Oct 25, 2025 0001137789-25-000301
- Seagate (STX) — Form 4 of Oct 19, 2025: option exercise or conversion of 3,427; shares withheld for tax of 823 at $225.40; 20,324 shares after 0001137789-25-000273
- Seagate (STX) — Form 4 of Jun 2, 2025: open-market sale of 24,190 at $119.00; 10,835 shares after 0001137789-25-000107
- Lam Research (LRCX) — Form 4 of Nov 8, 2024: grant or award of 2,950; 189,740 shares after 0000707549-24-000144
- Seagate (STX) — Form 4 of Oct 19, 2024: option exercise or conversion of 5,436; 41,910 shares after 0001137789-24-000168
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.