// company-profile
Adaptive Biotechnologies Corp
ADPT// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Adaptive Biotechnologies Corp insiders sold $41K across 1 transaction with no open-market purchases.
- Most active insider: RUBINSTEIN JULIE with 36 transactions totaling $4.6M.
- Largest single sale: $1.7M by ROBINS HARLAN S on Jun 15, 2026.
- 94% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Adaptive Biotechnologies Corp as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | ROBINS HARLAN S | ADPT | Sale10b5 | 6,160 | $18.01 | $111K |
| Jun 15, 2026 | ROBINS HARLAN S | ADPT | Sale10b5 | 100,000 | $17.37 | $1.74M |
| Jun 11, 2026 | BOBULSKY SUSAN | ADPT | Sale10b5 | 5,000 | $19.00 | $95K |
| Jun 4, 2026 | LO FRANCIS | ADPT | Option Exercise10b5 | 5,792 | $0.00 | $0K |
| Jun 4, 2026 | LO FRANCIS | ADPT | Option Exercise10b5 | 2,009 | $8.46 | $17K |
45 more transactions hidden
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