Form 4: Adaptive Biotechnologies Executive Sells Shares
Insider Transaction (Form 4)
Francis Lo, Chief People Officer of Adaptive Biotechnologies Corp, sold 115,406 shares of common stock on September 16, 2026.
Summary
- Option exercise/conversion: acquired 53,091 Common Stock at $12.14 ($644,525) on September 16, 2026; holds 283,804 after (Direct).
- Option exercise/conversion: acquired 13,398 Common Stock at $8.46 ($113,347) on September 16, 2026; holds 297,202 after (Direct).
- Option exercise/conversion: acquired 15,629 Common Stock at $3.99 ($62,360) on September 16, 2026; holds 312,831 after (Direct).
- Option exercise/conversion: acquired 23,442 Common Stock at $8.12 ($190,349) on September 16, 2026; holds 336,273 after (Direct).
- Open-market sale: disposed of 107,537 Common Stock at $28.02 ($3,013,187) on September 16, 2026; holds 228,736 after (Direct).
- Open-market sale: disposed of 7,869 Common Stock at $28.57 ($224,817) on September 16, 2026; holds 220,867 after (Direct).
- Option exercise/conversion: disposed of 53,091 Stock Option (right to buy) on September 16, 2026; holds 79,155 after (Direct).
- Option exercise/conversion: disposed of 13,398 Stock Option (right to buy) on September 16, 2026; holds 24,113 after (Direct).
- Option exercise/conversion: disposed of 15,629 Stock Option (right to buy) on September 16, 2026; holds 65,636 after (Direct).
- Option exercise/conversion: disposed of 23,442 Stock Option (right to buy) on September 16, 2026; holds 103,142 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $3,238,004 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Francis Lo — Officer (Chief People Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-16 | Option exercise/conversion | Common Stock | 53,091 | $12 | $644.5K | 283,804 |
| 2026-09-16 | Option exercise/conversion | Common Stock | 13,398 | $8 | $113.3K | 297,202 |
| 2026-09-16 | Option exercise/conversion | Common Stock | 15,629 | $4 | $62.4K | 312,831 |
| 2026-09-16 | Option exercise/conversion | Common Stock | 23,442 | $8 | $190.3K | 336,273 |
| 2026-09-16 | Open-market sale | Common Stock | 107,537 | $28 | $3.0M | 228,736 |
| 2026-09-16 | Open-market sale | Common Stock | 7,869 | $29 | $224.8K | 220,867 |
| 2026-09-16 | Option exercise/conversion | Stock Option (right to buy) | 53,091 | — | — | 79,155 |
| 2026-09-16 | Option exercise/conversion | Stock Option (right to buy) | 13,398 | — | — | 24,113 |
| 2026-09-16 | Option exercise/conversion | Stock Option (right to buy) | 15,629 | — | — | 65,636 |
| 2026-09-16 | Option exercise/conversion | Stock Option (right to buy) | 23,442 | — | — | 103,142 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-16 | Option exercise/conversion (53,091 shares) |
| 2026-09-16 | Option exercise/conversion (13,398 shares) |
| 2026-09-16 | Option exercise/conversion (15,629 shares) |
| 2026-09-16 | Option exercise/conversion (23,442 shares) |
| 2026-09-16 | Open-market sale (107,537 shares) |
| 2026-09-16 | Open-market sale (7,869 shares) |
| 2026-09-16 | Option exercise/conversion (53,091 shares) |
| 2026-09-16 | Option exercise/conversion (13,398 shares) |
| 2026-09-16 | Option exercise/conversion (15,629 shares) |
| 2026-09-16 | Option exercise/conversion (23,442 shares) |
Keywords
insider transaction, Form 4, ADPT, Adaptive Biotechnologies Corp, bearish, Francis Lo
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