Transaction · 0001214659-26-012647

Leproust Emily M.

Leproust Emily M., CEO, reported an open-market or private sale at Twist Bioscience Corp involving 1840.000000 shares for an estimated $368805.74. Reported holdings after the transaction were 565468.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
TWSTTwist Bioscience Corp
Filing timeOct 07
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded0.32%Shares sold ÷ (holdings after + shares sold). Estimated position before: 567,308 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$166.97
Pre-filing
1mo ago -25.3%1w ago +7.6%1d ago +13.0%
Returns since
7d30d90d180d1y

TWST price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
TWST since 2026-10-07Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001214659-26-012647
Common Stock
Transaction date
Oct 05, 2026
Filed Oct 07, 2026, 08:05 PM · 2d delay
Shares
1.84k sh
$200.44 per share
Estimated value
-$368k
Computed from shares × price
Holdings after
565k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on June 15, 2026.

  2. F2

    Represents the weighted average sales price per share. The shares sold at prices ranging from $200 to $200.99 per share. Full information regarding the number of shares sold at each price shall be pro…

  3. F3

    Represents the weighted average sales price per share. The shares sold at prices ranging from $201 to $201.99 per share. Full information regarding the number of shares sold at each price shall be pro…

  4. F4

    Represents the weighted average sales price per share. The shares sold at prices ranging from $202 to $202.99 per share. Full information regarding the number of shares sold at each price shall be pro…

  5. F5

    Represents the weighted average sales price per share. The shares sold at prices ranging from $203.29 to $203.99 per share. Full information regarding the number of shares sold at each price shall be…

  6. F6

    Represents the weighted average sales price per share. The shares sold at prices ranging from $204.33 to $205.32 per share. Full information regarding the number of shares sold at each price shall be…

  7. F7

    Represents the weighted average sales price per share. The shares sold at prices ranging from $205.37 to $206.34 per share. Full information regarding the number of shares sold at each price shall be…

  8. F8

    Represents the weighted average sales price per share. The shares sold at prices ranging from $206.38 to $207.33

  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 hold…

  10. F9

    Represents the weighted average sales price per share. The shares sold at prices ranging from $207.38 to $207.8 per share. Full information regarding the number of shares sold at each price shall be p…

  11. F10

    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 contin…

  12. F11

    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 ap…

Original filing · 0001214659-26-012647
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