The Form 4 filing, an SEC report of an insider's stock trades, was filed on November 10, 2026. It covers transactions dated November 9 through November 10, 2026. Julie Rubinstein is president and chief operating officer of Adaptive Biotechnologies (ADPT).
Transaction details
| Transaction | |
|---|---|
| Date of Earliest Transaction | 2026-11-09 |
| Date of Latest Transaction | 2026-11-10 |
| Buy/Sell | sell |
| Transaction Count | 5 |
| Shares Transacted | 23,762 |
| Price | $29.82 |
| Total Transaction Value | $708,557.50 |
| Insider | |
| Ticker Symbol | ADPT |
| Company | Adaptive Biotechnologies Corp |
| Insider Name | RUBINSTEIN JULIE |
| Insider Title | President and COO |
| Sector - Industry | Healthcare - Diagnostics & Research |
| Holdings | |
| Total Shares Owned After Transaction | 377,802 |
| Position Size Change | 5.92% |
| Filing | |
| Filing Date | 2026-11-10 |
| SEC Link | View filing |
FAQ
What type of transaction is this?
These were share sales, reported under transaction code S. The five transactions involve one insider and appear in one filing.
What was the average price of the transaction?
The average sale price was $29.82 per share across the five transactions.
How did this transaction affect the insider's holdings?
She sold 23,762 shares and reported owning 377,802 shares afterward. The shares sold made up 5.92% of her reported shares held before the sales.
What's the total transaction value?
The five sales had a total reported value of $708,557.50.
Are there any special circumstances around this transaction?
The transaction information includes a Rule 10b5-1 trading-plan reference. These plans set trading instructions in advance. The reference may come from a checkbox that applies to the filing as a whole. Footnote text is unavailable, so it is unclear whether the plan covers all five sales or only some. The plan's start date and trading schedule are unknown. The reference alone does not show whether the sales met the rule's legal requirements.
For research purposes only; not investment advice.