Michael John Turner

Michael John Turner: Director at Riot Platforms. What Michael John Turner 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.

Riot Platforms (RIOT)

Michael John Turner holds 36,450 Riot Platforms shares (0.01% of the company), worth about $610,537.50 at the last price, according to the Form 4 of Jul 1, 2026.

• Shares held: 36,450 (0.01%), $610,537.50 — Held in their own name.

Declarations

• Riot Platforms (RIOT) — Form 4 of Jul 1, 2026: grant or award of 8,347; 36,450 shares after 0002021332-26-000004
• Riot Platforms (RIOT) — Form 4 of Jul 11, 2025: grant or award of 16,103; 28,103 shares after 0001415889-25-019809
• Riot Platforms (RIOT) — Form 4 of Feb 21, 2025: grant or award of 12,000; 12,000 shares after 0001415889-25-005553
• Riot Platforms (RIOT) — Form 3 of Feb 12, 2025; 0 shares after 0001415889-25-005287

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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