Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Spencer R. Berthelsen currently holds 156,013 shares of IONIS PHARMACEUTICALS INC (IONS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Spencer R. Berthelsen has been a net seller of IONS stock. They have purchased $0 and sold $5.2M worth of shares.
Spencer R. Berthelsen's most recent insider trade was on Jun 15, 2026, when they sold 8,000 shares at $0.00 per share.
Spencer R. Berthelsen serves as Executive at IONIS PHARMACEUTICALS INC (IONS). They have executed 94 insider transactions totaling $5.2M over their tenure at the company.
Spencer R. Berthelsen holds the position of Executive at IONIS PHARMACEUTICALS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 14 years and currently hold a stake valued at $0.
Spencer R. Berthelsen has shown a selling trading pattern, with $0 in total purchases and $5.2M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Spencer R. Berthelsen was on Jun 23, 2020, when they sold $881.4K worth of IONS shares. This transaction involved 15,000 shares at $58.76 per share.
Spencer R. Berthelsen currently owns 156,013 shares of IONIS PHARMACEUTICALS INC (IONS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Spencer R. Berthelsen's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Spencer R. Berthelsen has 94 Form 4 filings on record as an insider at IONIS PHARMACEUTICALS INC.
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