Harlan S Robins sold $673k of ADPT
Chief Scientific Officer at Adaptive Biotechnologies Corp. 37,212 shares at an average of $18.07, traded Dec 3, 2025, filed Dec 5, 2025.
Score components
- +15RoleOfficer
- +20Trade size$673k at market
- 0Share of holdings soldSold 2.9% of holdings
- +15Cluster6 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001780851-25-000003, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 3, 2025 | SOpen-market sale Common Stock10b5-1 | -27,212 | $18.61 | $506k | 1,242,312 | Dec 5, 2025 |
| Dec 4, 2025 | SOpen-market sale Common Stock10b5-1 | -10,000 | $16.61 | $166k | 1,232,312 | Dec 5, 2025 |
Related signals
Other insiders at Adaptive Biotechnologies Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 24Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $948k 35,643 shares | -9% | |
| 22Weak | Adaptive Biotechnologies Corp | Susan Bobulsky Chief Commercial Officer, MRD | $193k 6,444 shares | -2% | |
| 22Weak | Adaptive Biotechnologies Corp | Francis Lo Chief People Officer | $758k 26,792 shares | -11% | |
| 25Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $1.0M 35,643 shares | -9% | |
| 23Weak | Adaptive Biotechnologies Corp | Francis Lo Chief People Officer | $3.2M 115,406 shares | -34% | |
| 8Weak | Adaptive Biotechnologies Corp | Susan Bobulsky Chief Commercial Officer, MRD | $32k 1,195 shares | -0% | |
| 12Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $751k 57,180 shares | -12% | |
| 27Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $802k 57,180 shares | -12% | |
| 27Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $770k 57,180 shares | -11% | |
| 27Weak | Adaptive Biotechnologies Corp | Julie Rubinstein President and COO | $762k 57,180 shares | -11% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.