ADPT — structural market context
Adaptive Biotechnologies Corpo
Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.
ADPT short interest & days to cover
FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-07-31 (20d ago)
ADPT fails-to-deliver (FTD)
| Settlement date | Failed shares | Price |
|---|
| 2026-07-27 · 24d | 137 | $22.27 |
| 2026-07-22 · 29d | 23 | $22.58 |
| 2026-07-20 · 31d | 684 | $22.92 |
SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.
ADPT insider buying and selling (Form 4)
Last 12 months, open-market only: 0 purchases · 7 sales
| Insider | Type | Shares | Value | Filed |
|---|
| ROBINS CHAD M · director, officer: CEO and Chairman | Sell (S) | 319K | $8.0M | 2026-08-19 |
| ROBINS CHAD M · director, officer: CEO and Chairman | Sell (S) | 3K | $65K | 2026-08-19 |
| ROBINS CHAD M · director, officer: CEO and Chairman | Sell (S) | 278K | $6.8M | 2026-08-19 |
| ROBINS CHAD M · director, officer: CEO and Chairman | Sell (S) | 204 | $5K | 2026-08-19 |
| NEUPERT PETER M · director | Sell (S) | 15K | $378K | 2026-08-19 |
SEC Form 4 filings, open-market purchases and sales only (codes P and S); grants and option exercises excluded. Attributed public records.
Frequently asked questions
What is ADPT's short interest?
As of the FINRA settlement date 2026-07-31, ADPT had 12.5M shares sold short — 8.0% of its float, with 4.4 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying ADPT?
In the last 12 months of SEC Form 4 filings, ADPT recorded 0 open-market insider purchases and 7 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell ADPT?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.