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SEC EDGAR - Form 4 insider activity

Twist Bioscience Corp $TWST

Tracked equity - 8 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

0

OM buys - 90d

8

OM sells - 90d

0

Routine filings

7

Cluster filings

$4.86M

Largest trade

68/100

Avg signal score

Filing tape

Recent filings

Last 30d: 8
Open-market SellCLUSTERHigh signal 71/100
filed 2026-10-07
LMCEO

Leproust Emily M. - Director, Chief Executive Officer - $368.8K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 77/100
filed 2026-10-05
LACFO

Laponis Adam - Chief Financial Officer - $1.52M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 62/100
filed 2026-10-05
GPInsider

Green Paula - SVP of Human Resources - $1.91M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 77/100
filed 2026-10-05
FJOfficer

Finn Patrick John - President and COO - $4.86M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-10-05
LMCEO

Leproust Emily M. - Director, Chief Executive Officer - $131.0K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 62/100
filed 2026-10-05
CDInsider

Cho Dennis - See Remarks - $1.80M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-10-05
WFOfficer

WERNER ROBERT F. - Chief Accounting Officer - $279.9K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellNotable 56/100
filed 2026-09-25
LMCEO

Leproust Emily M. - Director, Chief Executive Officer - $435.4K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.

View source filing