BOBULSKY SUSAN 4
4 · Adaptive Biotechnologies Corp · Filed Jun 15, 2026
Research Summary
AI-generated summary of this filing
Adaptive Biotechnologies (ADPT) CCO Susan Bobulsky Sells 5,000 Shares
What Happened
- Susan Bobulsky, Chief Commercial Officer of Adaptive Biotechnologies (ADPT), sold 5,000 shares in an open-market transaction on June 11, 2026. The shares were disposed at $19.00 each for total gross proceeds of $95,000. This was a sale (not a purchase), which is often routine insider selling.
Key Details
- Transaction date: 2026-06-11
- Transaction type: Sale (open market) — 5,000 shares at $19.00 each
- Total proceeds: $95,000 (gross)
- Footnote: Transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2025
- Shares owned after transaction: Not specified in the provided filing excerpt
- Filing: Form 4 filed with accession 0001820885-26-000010 on 2026-06-15; the filing itself does not indicate a late-report flag
Context
- Sales under a 10b5-1 plan are pre-arranged trades and are typically executed according to a formula or schedule set when the plan was established; they do not necessarily reflect the insider’s current view of the company. This summary is factual and does not speculate on motivations.
Insider Transaction Report
Form 4
BOBULSKY SUSAN
Chief Commercial Officer, MRD
Transactions
- Sale
Common Stock
[F1]2026-06-11$19.00/sh−5,000$95,000→ 411,775 total
Footnotes (1)
- [F1]The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2025.
Signature
Susan Bobulsky by Kyle Piskel, Attorney-in-Fact|2026-06-15