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Insider Trading

SION Stock Insider Trading Activity

Corporate insiders are required to disclose purchases or sales of their own stock within two business days of when they occur. Using these disclosures, we collect data on SION stock insider trading activity, which can give hints on whether executives are bullish or bearish on their own company.

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Recent insider purchases and sales - SION

Name / Title Purchase / Sale Shares Date Disclosed (EST)
RA CAPITAL MANAGEMENT, L.P.
Purchase 1022586 Feb 10, 2025 Feb. 10, 2025, 6:04 p.m.
RA CAPITAL MANAGEMENT, L.P.
Purchase 102414 Feb 10, 2025 Feb. 10, 2025, 6:04 p.m.
ORBIMED ADVISORS LLC
Purchase 550000 Feb 10, 2025 Feb. 10, 2025, 5:28 p.m.
Thompson Peter A.
Purchase 550000 Feb 10, 2025 Feb. 10, 2025, 5:05 p.m.
Booth Bruce
Purchase 60000 Feb 10, 2025 Feb. 10, 2025, 5:05 p.m.
Atlas Venture Fund XI, L.P.
Purchase 60000 Feb 10, 2025 Feb. 10, 2025, 5:05 p.m.