Form 4: Adaptive Biotechnologies Director Sells Shares
Insider Transaction (Form 4)
Peter M Neupert, a Director of Adaptive Biotechnologies Corp, sold 124,690 shares of common stock on August 17, 2026.
Summary
- Option exercise/conversion: acquired 15,000 Common Stock at $6.32 ($94,800) on August 17, 2026; holds 255,315 after (Direct).
- Open-market sale: disposed of 15,000 Common Stock at $25.23 ($378,450) on August 17, 2026; holds 240,315 after (Direct).
- Open-market sale: disposed of 40,000 Common Stock at $25.10 ($1,004,000) on August 17, 2026; holds 200,315 after (Direct).
- Open-market sale: disposed of 69,690 Common Stock at $25.16 ($1,753,400) on August 17, 2026; holds 130,625 after (Direct).
- Option exercise/conversion: disposed of 15,000 Stock Option (right to buy) on August 17, 2026 (Direct).
Sentiment
Score: 3
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $3,135,850 of stock on the open market.
Insider Transactions
Peter M Neupert — Director
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-17 | Option exercise/conversion | Common Stock | 15,000 | $6 | $94.8K | 255,315 |
| 2026-08-17 | Open-market sale | Common Stock | 15,000 | $25 | $378.4K | 240,315 |
| 2026-08-17 | Open-market sale | Common Stock | 40,000 | $25 | $1.0M | 200,315 |
| 2026-08-17 | Open-market sale | Common Stock | 69,690 | $25 | $1.8M | 130,625 |
| 2026-08-17 | Option exercise/conversion | Stock Option (right to buy) | 15,000 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-17 | Option exercise/conversion (15,000 shares) |
| 2026-08-17 | Open-market sale (15,000 shares) |
| 2026-08-17 | Open-market sale (40,000 shares) |
| 2026-08-17 | Open-market sale (69,690 shares) |
| 2026-08-17 | Option exercise/conversion (15,000 shares) |
Keywords
insider transaction, Form 4, ADPT, Adaptive Biotechnologies Corp, bearish, Peter M Neupert
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.