Michael Toporek

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
4 years
Director since
2024

4 years of board service in total across 2 boards, counting each seat separately. Longest: Soluna Holdings Inc., 2 years.

2 years · Since 2024
1 year · Since 2025

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Aug 7, 2026 Capstone Holding Corp. Grant or award +1,094,647 — —
Jun 1, 2026 Soluna Holdings Inc. Grant or award +7,310,534 — —
Dec 1, 2025 Soluna Holdings Inc. Grant or award +6,894,614 — —
Sep 1, 2025 Soluna Holdings Inc. Grant or award +1,003,176 — —
Jun 1, 2025 Soluna Holdings Inc. Grant or award +744,454 — —
Mar 7, 2025 Capstone Holding Corp. Open-market purchase +41,750 $4.00 $167,000
Dec 11, 2024 Soluna Holdings Inc. Open-market sale −574 $10.00 $5,740
Dec 10, 2024 Soluna Holdings Inc. Open-market sale −100 $10.40 $1,040
Dec 9, 2024 Soluna Holdings Inc. Open-market sale −208 $10.60 $2,205
Dec 5, 2024 Soluna Holdings Inc. Open-market sale −12 $11.50 $138
Dec 1, 2024 Soluna Holdings Inc. Grant or award +370,402 — —
Nov 11, 2024 Soluna Holdings Inc. Open-market sale −9,080 $4.00 $36,320
Nov 8, 2024 Soluna Holdings Inc. Open-market sale −21,900 $3.42 $74,898
Nov 7, 2024 Soluna Holdings Inc. Open-market sale −24,420 $3.59 $87,668
Nov 6, 2024 Soluna Holdings Inc. Open-market sale −23,700 $3.56 $84,372

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