Form 4 for TWST Twist Bioscience Corp
Accepted 2026-02-19 00:00:00 ET · period of report 2026-02-17 · accession 0001214659-26-002179 · 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 | 2026-02-19 | 2026-02-17 | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $51.65 | -69.0K | 318.3K | -18% | -$3.56M |
| DM | 2026-02-19 | 2026-02-17 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $25.46 | +50.5K | 324.5K | +18% | +$1.29M |
| DM | 2026-02-19 | 2026-02-17 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $0.00 | -50.5K | 0 | -100% | $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 | 2026-02-17 | S | D | 3,541 | $53.11 | 287,788 | D | — | — | (F5) Represents the weighted average sales price per share. The shares sold at prices ranging from $53.01 to $53.25 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |
| 2 | Common | Common Stock | 2026-02-17 | S | D | 26,952 | $52.69 | 291,329 | D | — | — | (F4) Represents the weighted average sales price per share. The shares sold at prices ranging from $52.00 to $52.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |
| 3 | Common | Common Stock | 2026-02-17 | S | D | 21,858 | $50.32 | 334,897 | D | — | — | (F2) Represents the weighted average sales price per share. The shares sold at prices ranging from $50.00 to $50.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |
| 4 | Common | Common Stock | 2026-02-17 | M | A | 32,300 | $26.66 | 356,755 | D | — | — | |
| 5 | Common | Common Stock | 2026-02-17 | M | A | 18,205 | $23.33 | 324,455 | D | — | — | |
| 6 | Common | Common Stock | 2026-02-17 | S | D | 16,616 | $51.42 | 318,281 | D | — | — | (F3) Represents the weighted average sales price per share. The shares sold at prices ranging from $51.00 to $51.99 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. |
| 7 | Derivative | Stock Option (right to buy) | 2026-02-17 | M | D | 32,300 | $0.00 | 0 | D | $26.66 · — to 2028-11-18 | 32,300 Common Stock | (F6) The option is immediately exercisable. 12/60th of the shares subject to the option vest and become exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. |
| 8 | Derivative | Stock Option (right to buy) | 2026-02-17 | M | D | 18,205 | $0.00 | 0 | D | $23.33 · — to 2029-10-23 | 18,205 Common Stock | (F7) The option is immediately exercisable. 25% of the shares subject to the option vest and become exercisable on October 24, 2020 and 1/48th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuing service through each vesting date. |