FINN PATRICK JOHN (VP of Sales and Marketing) sold 19.3% of their position (68.97K shares) of TWIST BIOSCIENCE CORP on the open market

Open‑market sale worth $3.56M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

FINN PATRICK JOHN

Filed: 2/19/2026ACC: 0001214659-26-002179

InsiderFINN PATRICK JOHNCIK 1755970

→

IssuerTWIST BIOSCIENCE CORPCIK 1581280

Officer· VP of Sales and Marketing

Since Oct 2018

-68.97K

Net shares

Net seller

$3.56M

Total sold

Open market trades

0B · 4S

Total transactions

50.51K acquired · 119.47K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+18.20K

Price / share

$23.33

Trade value

$424.72K

% of position

5.9%

2/17/2026

306.25K→324.45K

Common Stock

Direct

M · Option Exercise

+32.30K

Price / share

$26.66

Trade value

$861.12K

% of position

10.0%

2/17/2026

324.45K→356.75K

Common Stock

Direct

S · Sale

−21.86K

Price / share

$50.32

Trade value

$1.10M

% of position

6.1%

2/17/2026

356.75K→334.90K

Common Stock

Direct

S · Sale

−16.62K

Price / share

$51.42

Trade value

$854.44K

% of position

5.0%

2/17/2026

334.90K→318.28K

Common Stock

Direct

S · Sale

−26.95K

Price / share

$52.69

Trade value

$1.42M

% of position

8.5%

2/17/2026

318.28K→291.33K

Common Stock

Direct

S · Sale

−3.54K

Price / share

$53.11

Trade value

$188.06K

% of position

1.2%

2/17/2026

291.33K→287.79K

Total

Net shares

−18.46K

Net value

-$2.28M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/17/2026	M · Option Exercise	+18.20K	$23.33	$424.72K	5.9%	306.25K	324.45K
Common Stock Direct	2/17/2026	M · Option Exercise	+32.30K	$26.66	$861.12K	10.0%	324.45K	356.75K
Common Stock Direct	2/17/2026	S · Sale	−21.86K	$50.32	$1.10M	6.1%	356.75K	334.90K
Common Stock Direct	2/17/2026	S · Sale	−16.62K	$51.42	$854.44K	5.0%	334.90K	318.28K
Common Stock Direct	2/17/2026	S · Sale	−26.95K	$52.69	$1.42M	8.5%	318.28K	291.33K
Common Stock Direct	2/17/2026	S · Sale	−3.54K	$53.11	$188.06K	1.2%	291.33K	287.79K
Total			−18.46K		-$2.28M

Derivative Transactions2

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

32.30K shares

−32.30K

Strike price

26.66

Held after

0.00

Exercisable

—

2/17/2026

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

18.20K shares

−18.20K

Strike price

23.33

Held after

0.00

Exercisable

—

2/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock32.30K shares	2/17/2026	M · Option Exercise	−32.30K	26.66	—	0.00
Stock Option (right to buy) Direct	Common Stock18.20K shares	2/17/2026	M · Option Exercise	−18.20K	23.33	—	0.00