Leproust Emily M.'s Form 4 filing
Twist Bioscience Corp (TWST) · filed Sep 21, 2026
- Accession no.
- 0001214659-26-011832
- Filed
- Sep 21, 2026, 4:05 PM ET
- Trade date
- Sep 17, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 15 non-derivative transactions and 2 derivative transactions. Open-market sales total $56.3M. It was filed 4 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Leproust Emily M.CIK 0001753655 | Director, Officer (Chief Executive Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Common Stock | MOption exerciseAcquired | +133,269 | $26.66 | +$3,552,951.54 | 901,696 | Direct | |
| Sep 17, 2026 | Common Stock | MOption exerciseAcquired | +75,439 | $8.82 | +$665,371.98 | 977,135 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −2,440 | $151.46F2 | −$369,565.57 | 974,695 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −6,644 | $152.21F3 | −$1,011,291.21 | 968,051 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −3,399 | $153.40F4 | −$521,417.14 | 964,652 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −4,175 | $154.17F5 | −$643,661 | 960,477 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −13,378 | $155.46F6 | −$2,079,701.07 | 947,099 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −9,097 | $156.47F7 | −$1,423,383.94 | 938,002 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −32,260 | $157.49F8 | −$5,080,498.36 | 905,742 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −232,173 | $158.09F9 | −$36,703,672.35 | 673,569 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −23,884 | $159.53F10 | −$3,810,250.35 | 649,685 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −14,493 | $160.44F11 | −$2,325,245.33 | 635,192 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −11,169 | $161.49F12 | −$1,803,715.32 | 624,023 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −2,565 | $162.31F13 | −$416,334.38 | 621,458 | Direct | |
| Sep 17, 2026 | Common Stock | SSaleDisposed | −869 | $163.39F14 | −$141,988.17 | 620,589 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Common Stock | MOption exerciseDisposed | −75,439 | $0.00 | $0 | 0 | Direct | |
| Sep 17, 2026 | Common Stock | MOption exerciseDisposed | −133,269 | $0.00 | $0 | 0 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
Represents the weighted average sales price per share. The shares sold at prices ranging from $150.77 to 151.77 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.
Referenced by the price of 1 transaction in Table I.
- F3
Represents the weighted average sales price per share. The shares sold at prices ranging from $151.78 to $152.71 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.
Referenced by the price of 1 transaction in Table I.
- F4
Represents the weighted average sales price per share. The shares sold at prices ranging from $152.87 to $153.85 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.
Referenced by the price of 1 transaction in Table I.
- F5
Represents the weighted average sales price per share. The shares sold at prices ranging from $153.88 to $154.84 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.
Referenced by the price of 1 transaction in Table I.
- F6
Represents the weighted average sales price per share. The shares sold at prices ranging from $154.9 to $155.9 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.
Referenced by the price of 1 transaction in Table I.
- F7
Represents the weighted average sales price per share. The shares sold at prices ranging from $155.92 to $156.91 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.
Referenced by the price of 1 transaction in Table I.
- F8
Represents the weighted average sales price per share. The shares sold at prices ranging from $156.96 to $157.96 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.
Referenced by the price of 1 transaction in Table I.
- F9
Represents the weighted average sales price per share. The shares sold at prices ranging from $157.97 to $158.96 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.
Referenced by the price of 1 transaction in Table I.
- F10
Represents the weighted average sales price per share. The shares sold at prices ranging from $158.99 to $159.99 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.
Referenced by the price of 1 transaction in Table I.
- F11
Represents the weighted average sales price per share. The shares sold at prices ranging from $160.00 to $160.99 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.
Referenced by the price of 1 transaction in Table I.
- F12
Represents the weighted average sales price per share. The shares sold at prices ranging from $161.00 to $161.97 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.
Referenced by the price of 1 transaction in Table I.
- F13
Represents the weighted average sales price per share. The shares sold at prices ranging from $162.02 to $163 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.
Referenced by the price of 1 transaction in Table I.
- F14
Represents the weighted average sales price per share. The shares sold at prices ranging from $163.03 to $163.6 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.
Referenced by the price of 1 transaction in Table I.