Form 4 for ADPT Adaptive Biotechnologies Corp
Accepted 2026-01-14 00:00:00 ET · period of report 2026-01-12 · accession 0001780660-26-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-14 | 2026-01-12 | ADPT | LO FRANCIS | CHRO | M - OptEx | $7.71 | +79.6K | 395.6K | +25% | +$614.0K |
| D | 2026-01-14 | 2026-01-12 | ADPT | LO FRANCIS | CHRO | S - Sale+OE | $17.73 | -79.6K | 316.0K | -20% | -$1.41M |
| DM | 2026-01-14 | 2026-01-12 | ADPT | LO FRANCIS | CHRO | M - OptEx | $0.00 | -79.6K | 90.6K | -47% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-12 | M | A | 21,002 | $8.46 | 381,353 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-12 | M | A | 36,650 | $7.80 | 352,628 | D | — | — | |
| 3 | Common | Common Stock | 2026-01-12 | M | A | 7,723 | $12.14 | 360,351 | D | — | — | |
| 4 | Common | Common Stock | 2026-01-12 | S | D | 79,590 | $17.73 | 315,978 | D | — | — | (F1) The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025. |
| 5 | Common | Common Stock | 2026-01-12 | M | A | 14,215 | $3.99 | 395,568 | D | — | — | |
| 6 | Derivative | Stock Option (right to buy) | 2026-01-12 | M | D | 7,723 | $0.00 | 177,615 | D | $12.14 · — to 2032-03-04 | 7,723 Common Stock | (F3) The options vested with respect to 1/4 of such shares on March 4, 2023, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested. |
| 7 | Derivative | Stock Option (right to buy) | 2026-01-12 | M | D | 36,650 | $0.00 | 75,500 | D | $7.80 · — to 2029-05-06 | 36,650 Common Stock | (F2) The option is fully vested and exercisable. |
| 8 | Derivative | Stock Option (right to buy) | 2026-01-12 | M | D | 21,002 | $0.00 | 87,074 | D | $8.46 · — to 2033-03-06 | 21,002 Common Stock | (F4) The options vested with respect to 1/4 of such shares on March 4, 2024, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested. |
| 9 | Derivative | Stock Option (right to buy) | 2026-01-12 | M | D | 14,215 | $0.00 | 90,641 | D | $3.99 · — to 2034-03-04 | 14,215 Common Stock | (F5) The options vested with respect to 1/4 of such shares on March 4, 2025, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested. |