Twist Bioscience Corp (TWST) CEO sells shares in tax “sell to cover”
Rhea-AI Filing Summary
Twist Bioscience Corp Chief Executive Officer Emily M. Leproust reported selling 5,101 shares of Common Stock on 2026-08-03 at an average price of $85.3212 per share. According to the disclosure, these shares were sold to cover tax withholding obligations upon vesting of Restricted Stock Units under the company’s equity incentive plans and "do not represent discretionary trades." Following this transaction, Leproust directly holds 818,938 shares of Common Stock and maintains various employee stock options with specified vesting schedules, including performance stock options exercisable at $67.85 per share on 64,950 underlying shares that vested after meeting performance criteria.
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Insights
Analyzing...
Insider Trade Summary
Net Seller: 5,101 shares
Net Sell
6 txns
Insider
Leproust Emily M.
Role
Chief Executive Officer
Sold
5,101 shs ($435K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock F1 | 5,101 | $85.3212 | $435K |
| holding | Employee Stock Option (right to buy) F2 | -- | -- | -- |
| holding | Employee Stock Option (right to buy) F3 | -- | -- | -- |
| holding | Employee Stock Option (right to buy) F4 | -- | -- | -- |
| holding | Employee Stock Option (right to buy) F5 | -- | -- | -- |
| holding | Employee Stock Option (right to buy) F6 | -- | -- | -- |
Holdings After Transaction:
Common Stock — 818,938 shares (Direct);
Employee Stock Option (right to buy) — 64,950 shares (Direct)
Footnotes (6)
- F1. Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Restricted Stock Units. These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person.
- F2. The option is immediately exercisable. 25% of the shares subject to the option vested on September 1, 2016 and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.
- F3. The option is immediately exercisable. 10% of the shares subject to the option vested on September 28, 2017, 15% of the shares subject to the option vested on September 28, 2018, and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.
- F4. 20% of the shares subject to the option vested and became 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.
- F5. 25% of the shares subject to the option vested on October 24, 2020, and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.
- F6. Represents performance stock options granted to the reporting person on September 1, 2020, that vested and became exercisable on December 19, 2022 as a result of the reporting person having met the applicable performance criteria.
Key Figures
Shares sold: 5,101 shares
Average sale price: $85.3212 per share
Shares owned after sale: 818,938 shares
+2 more
5 metrics
Shares sold
5,101 shares
Common Stock sold on 2026-08-03 to cover tax withholding obligations
Average sale price
$85.3212 per share
Price for 5,101-share Common Stock sale on 2026-08-03
Shares owned after sale
818,938 shares
Direct Common Stock holdings following the 2026-08-03 transaction
Performance option exercise price
$67.8500
Exercise price of performance stock options expiring 2030-08-31
Underlying shares for performance options
64,950 shares
Performance stock options granted 2020-09-01, vested 2022-12-19 after meeting criteria
Key Terms
Restricted Stock Units, "sell to cover" transaction, performance stock options
3 terms
Restricted Stock Units financial
"in connection with the vesting of Restricted Stock Units."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
"sell to cover" transaction financial
"obligation to be funded by a "sell to cover" transaction"
performance stock options financial
"Represents performance stock options granted to the reporting person"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What did Twist Bioscience (TWST) CEO Emily Leproust report in this Form 4?
Emily Leproust reported a sale of 5,101 Twist Bioscience (TWST) shares of Common Stock on 2026-08-03 at an average price of $85.3212 per share. The filing also details her remaining direct holdings and several outstanding employee stock option awards.
What stock options for Twist Bioscience (TWST) does the CEO report holding?
The CEO reports several employee stock options on Twist Bioscience (TWST) shares with various exercise prices and expirations, including performance stock options exercisable at $67.85 per share on 64,950 underlying shares, which vested after meeting specified performance criteria.
Is the Twist Bioscience (TWST) CEO’s reported sale under a trading plan?
The filing notes the sale was to cover tax withholding under the company’s equity incentive plans and explicitly states the transactions “do not represent discretionary trades.” The document’s Rule 10b5-1 checkbox is not marked as being under such a trading plan.