Michael Toporek

Companies

• Capstone Holding Corp.Board member Apr 1, 2026 to now¹
• Soluna Holdings, IncBoard member Mar 29, 2021 to now²
• Soluna Holdings, IncChief executive officer Mar 29, 2021 to Aug 22, 2022²
• TaoWeave, Inc.Board member Jan 12, 2006 to Aug 1, 2006³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• SSoluna Holdings, Inc SLNH17,132,816 shares⁴$12.8M at $0.75Jun 1, 2026
• CCapstone Holding Corp. CAPS1,614,421 shares⁵$140.5K at $0.09Aug 7, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 7, 2026Granted 1,094,647 shares of Capstone Holding Corp.⁵
• Jun 1, 2026Granted 7,310,534 shares of Soluna Holdings, Inc⁴
• Mar 30, 2026Granted 356,250 shares of Capstone Holding Corp.⁶
• Dec 1, 2025Granted 6,894,614 shares of Soluna Holdings, Inc⁷
• Sep 1, 2025Granted 1,003,176 shares of Soluna Holdings, Inc⁸
• Jun 1, 2025Granted 744,454 shares of Soluna Holdings, Inc⁹
• Mar 7, 2025Bought 41,750 shares at $4.00 of Capstone Holding Corp.¹⁰
• Dec 11, 2024Sold 574 shares at $10.00 of Soluna Holdings, Inc¹¹
• Dec 10, 2024Sold 100 shares at $10.40 of Soluna Holdings, Inc¹¹
• Dec 9, 2024Sold 208 shares at $10.60 of Soluna Holdings, Inc¹²
• Dec 5, 2024Sold 12 shares at $11.50 of Soluna Holdings, Inc¹²
• Dec 1, 2024Granted 370,402 shares of Soluna Holdings, Inc¹³
• Nov 11, 2024Sold 9,080 shares at $4.00 of Soluna Holdings, Inc¹⁴
• Nov 8, 2024Sold 21,900 shares at $3.42 of Soluna Holdings, Inc¹⁴
• Nov 7, 2024Sold 24,420 shares at $3.59 of Soluna Holdings, Inc¹⁵
• Nov 6, 2024Sold 23,700 shares at $3.56 of Soluna Holdings, Inc¹⁵
• Nov 5, 2024Sold 11,000 shares at $3.23 of Soluna Holdings, Inc¹⁵
• Nov 4, 2024Sold 20,600 shares at $3.11 of Soluna Holdings, Inc¹⁶
• Nov 1, 2024Sold 31,300 shares at $3.39 of Soluna Holdings, Inc¹⁶
• Oct 31, 2024Sold 8,000 shares at $3.44 of Soluna Holdings, Inc¹⁶
• Sep 1, 2024Granted 366,302 shares of Soluna Holdings, Inc¹⁷
• Sep 1, 2024Granted 73,404 shares of Soluna Holdings, Inc¹⁷
• Jun 1, 2024Granted 51,464 shares of Soluna Holdings, Inc¹⁸
• Apr 15, 2024Granted 317,647 shares of Soluna Holdings, Inc¹⁹
• Apr 15, 2024Granted 1,244,969 shares of Soluna Holdings, Inc¹⁹