Leproust Emily M.
Chief Executive Officer
Sale
Calculated transaction value
$1.9M
12,648 shares @ $150.56
Traded
Aug 25, 2026
Filed
Aug 27, 2026
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Twist Bioscience Corporation Common Stock
TWST
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
121 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Leproust Emily M. Chief Executive Officer | Aug 27, 2026 2-day lag | Sale Aug 25, 2026 | $1.9M Filed shares x price | SEC Form 4 View filing | |
| Cho Dennis See Remarks | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $222.23K Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $562.66K Filed shares x price | SEC Form 4 View filing | |
| Green Paula SVP Of Human Resources | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $189.13K Filed shares x price | SEC Form 4 View filing | |
| Laponis Adam Chief Financial Officer | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $273.26K Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $923.26K Filed shares x price | SEC Form 4 View filing | |
| Werner Robert F. Chief Accounting Officer | Aug 25, 2026 1-day lag | Sale Aug 24, 2026 | $120.22K Filed shares x price | SEC Form 4 View filing | |
| Werner Robert F. Chief Accounting Officer | Aug 25, 2026 4-day lag | Sale Aug 21, 2026 | $93.04K Filed shares x price | SEC Form 4 View filing | |
| Cho Dennis See Remarks | Aug 21, 2026 2-day lag | Sale Aug 19, 2026 | $1.84M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $535.68K Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Exercise Aug 18, 2026 | $1.58M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $1.22M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $1.04M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $3.87M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $761.86K Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $245.16K Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Sale Aug 18, 2026 | $1.55M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 20, 2026 2-day lag | Exercise Aug 18, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Blake Katryn Director | Aug 14, 2026 2-day lag | Sale Aug 12, 2026 | $275.25K Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 14, 2026 2-day lag | Exercise Aug 12, 2026 | $531.92K Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 14, 2026 2-day lag | Sale Aug 12, 2026 | $2.5M Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 14, 2026 2-day lag | Exercise Aug 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 12, 2026 2-day lag | Exercise Aug 10, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 12, 2026 2-day lag | Sale Aug 10, 2026 | $14.18M Filed shares x price | SEC Form 4 View filing | |
| Leproust Emily M. Chief Executive Officer | Aug 12, 2026 2-day lag | Exercise Aug 10, 2026 | $3.02M Filed shares x price | SEC Form 4 View filing | |
| Chess Robert Director | Aug 11, 2026 4-day lag | Exercise Aug 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Chess Robert Director | Aug 11, 2026 4-day lag | Sale Aug 7, 2026 | $2.04M Filed shares x price | SEC Form 4 View filing | |
| Chess Robert Director | Aug 11, 2026 4-day lag | Exercise Aug 7, 2026 | $218.98K Filed shares x price | SEC Form 4 View filing | |
| Cho Dennis See Remarks | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $1.56M Filed shares x price | SEC Form 4 View filing | |
| Finn Patrick John President And COO | Aug 5, 2026 2-day lag | Sale Aug 3, 2026 | $246.41K Filed shares x price | SEC Form 4 View filing |
Cho Dennis
See Remarks
Sale
Calculated transaction value
$222.23K
1,598 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$562.66K
4,046 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Green Paula
SVP Of Human Resources
Sale
Calculated transaction value
$189.13K
1,360 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Laponis Adam
Chief Financial Officer
Sale
Calculated transaction value
$273.26K
1,965 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Leproust Emily M.
Chief Executive Officer
Sale
Calculated transaction value
$923.26K
6,639 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Werner Robert F.
Chief Accounting Officer
Sale
Calculated transaction value
$120.22K
854 shares @ $140.77
Traded
Aug 24, 2026
Filed
Aug 25, 2026
Werner Robert F.
Chief Accounting Officer
Sale
Calculated transaction value
$93.04K
669 shares @ $139.07
Traded
Aug 21, 2026
Filed
Aug 25, 2026
Cho Dennis
See Remarks
Sale
Calculated transaction value
$1.84M
14,205 shares @ $129.75
Traded
Aug 19, 2026
Filed
Aug 21, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$535.68K
4,500 shares @ $119.04
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Exercise
Calculated transaction value
$1.58M
23,355 shares @ $67.85
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$1.22M
10,420 shares @ $116.82
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$1.04M
8,868 shares @ $117.7
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$3.87M
33,354 shares @ $115.9
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$761.86K
6,296 shares @ $121.01
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$245.16K
2,000 shares @ $122.58
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$1.55M
12,917 shares @ $119.86
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Finn Patrick John
President And COO
Exercise
Calculated transaction value
$0
23,355 shares @ $0
Traded
Aug 18, 2026
Filed
Aug 20, 2026
Blake Katryn
Director
Sale
Calculated transaction value
$275.25K
2,240 shares @ $122.88
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Leproust Emily M.
Chief Executive Officer
Exercise
Calculated transaction value
$531.92K
19,952 shares @ $26.66
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Leproust Emily M.
Chief Executive Officer
Sale
Calculated transaction value
$2.5M
19,952 shares @ $125.08
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Leproust Emily M.
Chief Executive Officer
Exercise
Calculated transaction value
$0
19,952 shares @ $0
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Leproust Emily M.
Chief Executive Officer
Exercise
Calculated transaction value
$0
113,318 shares @ $0
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Leproust Emily M.
Chief Executive Officer
Sale
Calculated transaction value
$14.18M
113,318 shares @ $125.16
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Leproust Emily M.
Chief Executive Officer
Exercise
Calculated transaction value
$3.02M
113,318 shares @ $26.66
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Chess Robert
Director
Exercise
Calculated transaction value
$0
18,417 shares @ $0
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Chess Robert
Director
Sale
Calculated transaction value
$2.04M
18,417 shares @ $110.89
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Chess Robert
Director
Exercise
Calculated transaction value
$218.98K
18,417 shares @ $11.89
Traded
Aug 7, 2026
Filed
Aug 11, 2026
Cho Dennis
See Remarks
Sale
Calculated transaction value
$1.56M
14,205 shares @ $109.75
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Finn Patrick John
President And COO
Sale
Calculated transaction value
$246.41K
2,888 shares @ $85.32
Traded
Aug 3, 2026
Filed
Aug 5, 2026