Michael Toporek
Michael Toporek: Director at Soluna. What Michael Toporek 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.
Soluna (SLNH)
Michael Toporek holds 17.1M Soluna shares (7.0% of the company), worth about $18.4M at the last price, according to the Form 4 of Jun 1, 2026.
- Shares held: 17.1M (7.0%), $18.4M — Held in their own name.
Declarations
- Soluna (SLNH) — Form 4 of Jun 1, 2026: grant or award of 7.3M; 17.1M shares after 0001493152-26-027115
- Soluna (SLNH) — Form 4 of Dec 1, 2025: grant or award of 6.9M; 9.8M shares after 0001493152-25-026009
- Soluna (SLNH) — Form 4 of Sep 1, 2025: grant or award of 1.0M; 2.9M shares after 0001641172-25-026269
- Soluna (SLNH) — Form 4 of Jun 1, 2025: grant or award of 744,454; 1.9M shares after 0001641172-25-013463
- Soluna (SLNH) — Form 4 of Dec 11, 2024 0001493152-24-049853
- Soluna (SLNH) — Form 4 of Dec 9, 2024 0001493152-24-049339
- Soluna (SLNH) — Form 4 of Dec 1, 2024: grant or award of 370,402; 1.2M shares after 0001493152-24-048563
- Soluna (SLNH) — Form 4 of Nov 11, 2024: open-market sale of 21,900 at $3.42; open-market sale of 9,080 at $4.00; 809,636 shares after 0001493152-24-044716
- Soluna (SLNH) — Form 4 of Nov 7, 2024: open-market sale of 11,000 at $3.23; open-market sale of 23,700 at $3.56; 840,616 shares after 0001493152-24-044112
- Soluna (SLNH) — Form 4 of Nov 4, 2024: open-market sale of 8,000 at $3.44; open-market sale of 31,300 at $3.39; 899,736 shares after 0001641172-25-001349
- Soluna (SLNH) — Form 4 of Sep 1, 2024: grant or award of 73,404; grant or award of 366,302; 959,636 shares after 0001493152-24-035056
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.