BOBULSKY SUSAN 4
4 · Adaptive Biotechnologies Corp · Filed Jun 8, 2026
Research Summary
AI-generated summary of this filing
Adaptive Biotechnologies (ADPT) CCO Susan Bobulsky Sells 11,000 Shares
What Happened
Susan Bobulsky, Chief Commercial Officer of Adaptive Biotechnologies (ADPT), sold 11,000 shares in an open-market transaction on June 4, 2026. The shares were disposed at $18.00 per share for a total proceeds of $198,000. This was a sale (not a purchase or grant).
Key Details
- Transaction date: 2026-06-04
- Transaction type/code: Sale (S) — open market or private sale
- Price: $18.00 per share; Total proceeds: $198,000
- Shares owned after transaction: Not reported in this Form 4
- Footnote: Transaction executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 16, 2025
- Filing: Report filed on 2026-06-08 (timely under Form 4 rules)
Context
The sale was made under a pre-established 10b5-1 trading plan, which typically means the trade was scheduled in advance and is less likely to reflect immediate, discretionary trading decisions. Sales by executives are common for liquidity, tax, or portfolio-management reasons; they do not by themselves indicate a change in company outlook.
Insider Transaction Report
Form 4
BOBULSKY SUSAN
Chief Commercial Officer, MRD
Transactions
- Sale
Common Stock
[F1]2026-06-04$18.00/sh−11,000$198,000→ 416,775 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|2026-06-08