Lance Varro D'Ambrosio

Lance Varro D'Ambrosio: Director at Riot Platforms. What Lance Varro D'Ambrosio 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)

Lance Varro D'Ambrosio holds 68,891 Riot Platforms shares (0.02% of the company), worth about $1.1M at the last price, according to the Form 4 of Jul 1, 2026.

• Shares held: 68,891 (0.02%), $1.1M — Held in their own name.

Declarations

• Riot Platforms (RIOT) — Form 4 of Jul 1, 2026: grant or award of 8,347; 68,891 shares after 0001611745-26-000004
• Riot Platforms (RIOT) — Form 4/A of Jul 11, 2025: grant or award of 16,103; 60,544 shares after 0001611745-25-000003
• Riot Platforms (RIOT) — Form 4 of Jul 11, 2025: grant or award of 16,103; 60,544 shares after 0001415889-25-019808
• Riot Platforms (RIOT) — Form 4 of Sep 16, 2024: open-market sale of 25,000 at $7.00; 44,441 shares after 0001415889-24-023622
• Riot Platforms (RIOT) — Form 4 of Jul 1, 2024: grant or award of 24,000; 69,441 shares after 0001415889-24-019231

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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