Adaptive Biotechnologies Insider Trades
NASDAQ: ADPTHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Last 12 months
- Purchases
- 0 · $0
- Sales
- 7 · $1.14M
- Shares bought / sold
- 0 / 42.09K
- Net activity
- Net selling $1.1 million
Adaptive Biotechnologies insider activity
Over the last 12 months, Adaptive Biotechnologies insiders reported 10 transactions on SEC Form 4: 0 open-market purchases and 7 sales. Insiders bought $0 and sold $1.1 million worth of stock, for net insider selling of $1.1 million. The largest seller was RUBINSTEIN JULIE, with $948,223 in reported sales.
The most recent filing shows RUBINSTEIN JULIE (President and COO) reporting a transaction in 11,881 shares at $12.14 on Oct 8, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put ADPT's ownership changes in context.
Summary generated from market data by MetaCap's automated system. Methodology
ADPT insider transactions
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Oct 8, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 11,881 | $304.87K | Form 4 |
| Oct 8, 2026 | RUBINSTEIN JULIEPresident and COO | Option exercise | 11,881 | $144.24K | Form 4 |
| Oct 7, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 11,881 | $313.66K | Form 4 |
| Oct 7, 2026 | RUBINSTEIN JULIEPresident and COO | Option exercise | 11,881 | $144.24K | Form 4 |
| Oct 6, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 499 | $15.23K | Form 4 |
| Oct 6, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 901 | $26.77K | Form 4 |
| Oct 6, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 1,100 | $31.03K | Form 4 |
| Oct 6, 2026 | RUBINSTEIN JULIEPresident and COO | Sale | 9,381 | $256.66K | Form 4 |
| Oct 6, 2026 | RUBINSTEIN JULIEPresident and COO | Option exercise | 11,881 | $144.24K | Form 4 |
| Oct 6, 2026 | BOBULSKY SUSANChief Commercial Officer, MRD | Sale | 6,444 | $193.32K | Form 4 |
Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4