Greedy Insider
ADPT Insider Trades and Greediness Scores
Adaptive Biotechnologies Corp (ADPT) insider trades: since Nov 26, 2025, Greedy Insider recorded 0 open-market buys and 149 sales on Form 4 from 11 insiders. The strongest recent filing scored 94 (Strong).
Who bought and who sold
Across the last 149 scoreable Form 4 transactions in ADPT, 0 were open-market purchases and 149 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| RUBINSTEIN JULIE | President | Sell | 5999.0 | 151474.75 | 2026-10-21 | 69 | View |
| RUBINSTEIN JULIE | President | Sell | 5882.0 | 150402.73 | 2026-10-21 | 69 | View |
| RUBINSTEIN JULIE | President | Sell | 11781.0 | 288987.94 | 2026-10-20 | 73 | View |
| RUBINSTEIN JULIE | President | Sell | 100.0 | 2485.0 | 2026-10-20 | 62 | View |
| RUBINSTEIN JULIE | President | Sell | 11881.0 | 285738.06 | 2026-10-19 | 73 | View |
| RUBINSTEIN JULIE | President | Sell | 11581.0 | 280376.0 | 2026-10-16 | 74 | View |
| RUBINSTEIN JULIE | President | Sell | 300.0 | 7635.0 | 2026-10-16 | 63 | View |
| RUBINSTEIN JULIE | President | Sell | 11881.0 | 304272.4 | 2026-10-15 | 74 | View |
| RUBINSTEIN JULIE | President | Sell | 6781.0 | 173390.17 | 2026-10-14 | 69 | View |
| RUBINSTEIN JULIE | President | Sell | 5100.0 | 131682.0 | 2026-10-14 | 67 | View |
The strongest recent filing
RUBINSTEIN JULIE (President) sold 122,523 shares of Adaptive Biotechnologies Corp on Mar 11, 2026, a filing that scored 94 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 8 insiders (RUBINSTEIN JULIE, GRIFFIN MICHELLE RENEE, LO FRANCIS, BOBULSKY SUSAN) traded ADPT the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Adaptive Biotechnologies Corp's own history
Open-market buys make up 0% of the 149 scoreable ADPT transactions on record between Nov 26, 2025 and Oct 21, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 149
- Open-market buys: 0
- Sales: 149
- Distinct insiders: 11
- Strongest recent Greediness Score: 94 (Strong)
Primary sources
Related
- Strongest filing
- ADPT in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.