Silo Pharma SILO Insider Ownership

Updated Oct 10, 2026

In the last 12 months, insiders at Silo Pharma made open-market purchases of $7,657 and sold no shares on the open market.

• Among Silo Pharma's insiders, the largest open-market purchases in the past 12 months were by Eric Weisblum (Chief Executive Officer), totaling $7,657, most recently on December 15, 2025.
• Per Business Quant, SILO insiders together hold 14.79K shares based on their latest Form 4 filings, unchanged from 14.79K shares at the end of Q2 2026 and up 9.36% from 13.53K shares (split-adjusted) at the end of Q3 2025.
• None of the 14.79K shares held by Silo Pharma insiders is held through trusts, partnerships or family members; all are direct holdings.
• SILO's insider total is spread across 2 insiders who have filed a Form 4 in the past two years.
• Silo Pharma's top two insider holders by shares held are Eric Weisblum (Chief Executive Officer, 14.46K shares) and Daniel E. Ryweck (Chief Financial Officer, 333 shares).
• Eric Weisblum alone accounts for 97.75% of the shares held by Silo Pharma insiders.
• Institutional investors held 12.66% of Silo Pharma stock at the end of Q2 2026, while the latest Form 4 filings of its insiders account for about 1.31%; other investors, including the public, hold roughly 86.03%.
• In the past year, one insider of Silo Pharma submitted 3 Form 4 filings reporting trades, awards or other transactions.
• Insider figures for SILO include Form 4 filings through December 16, 2025.