Adaptive Biotechnologies Corp: chief commercial officer Susan Bobulsky sold 6,444 shares

What happened The filing says Susan Bobulsky, chief commercial officer, sold 6,444 shares in an open market or private sale at $30.00 per share on Oct 6, 2026, for $193,320. The Form 4 was filed on Oct 8, 2026.

Key details

• Transaction date and price: Oct 6, 2026 at $30.00 per share (sale).
• Shares owned after the transaction: the filing does not state shares owned after the transaction.
• Footnote: the filing says the sale was effected pursuant to a Rule 10b5-1 trading plan adopted Dec 16, 2025.
• Filing date: filed Oct 8, 2026.

Why it may matter

• The filing says the sale was carried out under a pre-established Rule 10b5-1 trading plan.
• The filing does not show why the insider traded or why the company acted.