Form 4 for TWST Twist Bioscience Corp
Accepted 2026-08-20 16:05:11 ET · period of report 2026-08-18 · accession 0001214659-26-010645 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-08-20 16:05 | 2026-08-18 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $67.85 | +23.4K | 293.0K | +9% | +$1.58M |
| DMT | 2026-08-20 16:05 | 2026-08-18 | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $117.64 | -78.4K | 214.7K | -27% | -$9.22M |
| DT | 2026-08-20 16:05 | 2026-08-18 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $0.00 | -23.4K | 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 | 2026-08-18 | M | A | 23,355 | $67.85 | 293,033 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. |
| 2 | Common | Common Stock | 2026-08-18 | S | D | 33,354 | $115.90 | 259,679 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F2) Represents the weighted average sales price per share. The shares sold at prices ranging from $115.35 to $116.33 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 | 2026-08-18 | S | D | 10,420 | $116.82 | 249,259 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F3) Represents the weighted average sales price per share. The shares sold at prices ranging from $116.37 to $117.36 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 | 2026-08-18 | S | D | 8,868 | $117.70 | 240,391 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F4) Represents the weighted average sales price per share. The shares sold at prices ranging from $117.37to $118.19 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. |
| 5 | Common | Common Stock | 2026-08-18 | S | D | 4,500 | $119.04 | 235,891 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F5) Represents the weighted average sales price per share. The shares sold at prices ranging from $118.505 to $119.45 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. |
| 6 | Common | Common Stock | 2026-08-18 | S | D | 12,917 | $119.86 | 222,974 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F6) Represents the weighted average sales price per share. The shares sold at prices ranging from $119.515 to $120.2 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 | Common | Common Stock | 2026-08-18 | S | D | 6,296 | $121.01 | 216,678 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F7) Represents the weighted average sales price per share. The shares sold at prices ranging from $120.585 to $121.53 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. |
| 8 | Common | Common Stock | 2026-08-18 | S | D | 2,000 | $122.58 | 214,678 | D | — | — | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F8) Represents the weighted average sales price per share. The shares sold at prices ranging from $122.00 to $122.815 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. |
| 9 | Derivative | Stock Option (right to buy) | 2026-08-18 | M | D | 23,355 | $0.00 | 0 | D | $67.85 · — to 2030-08-31 | 23,355 Common Stock | (F1) The transactions reported on this Form 4 were affected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 18, 2026. (F9) The option was 100% exercisable on December 19, 2022. |