Dennis Cho

CIK: 0001883451

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)54 (91.5%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (8.5%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TWST

Twist Bioscience Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (59 total)

TWST
Twist Bioscience Corp
Oct 2, 2026
Sale(S)
Direct
9.5K shares at avg. $188.88$1.8M
TWST
Twist Bioscience Corp
Sep 21, 2026
Sale(S)
Direct
348 shares at avg. $165.49$58K
TWST
Twist Bioscience Corp
Sep 8, 2026
Sale(S)
Direct
412 shares at avg. $122.62$51K
TWST
Twist Bioscience Corp
Aug 21, 2026
Sale(S)
Direct
1.6K shares at avg. $139.07$222K
TWST
Twist Bioscience Corp
Aug 19, 2026
Sale(S)
Direct
14.2K shares at avg. $129.75$1.8M
TWST
Twist Bioscience Corp
Aug 5, 2026
Sale(S)
Direct
14.2K shares at avg. $109.75$1.6M
TWST
Twist Bioscience Corp
Aug 3, 2026
Sale(S)
Direct
1.1K shares at avg. $85.32$91K
TWST
Twist Bioscience Corp
Jun 24, 2026
Sale(S)
Direct
14.2K shares at avg. $89.75$1.3M
TWST
Twist Bioscience Corp
Jun 22, 2026
Sale(S)
Direct
346 shares at avg. $87.32$30K
TWST
Twist Bioscience Corp
Jun 8, 2026
Sale(S)
Direct
402 shares at avg. $69.84$28K
TWST
Twist Bioscience Corp
May 29, 2026
Sale(S)
Direct
14.2K shares at avg. $69.75$991K
TWST
Twist Bioscience Corp
May 21, 2026
Sale(S)
Direct
1.6K shares at avg. $53.26$87K
TWST
Twist Bioscience Corp
May 4, 2026
Sale(S)
Direct
2K shares at avg. $57.15$112K
TWST
Twist Bioscience Corp
Mar 20, 2026
Sale(S)
Direct
354 shares at avg. $43.79$16K
TWST
Twist Bioscience Corp
Mar 6, 2026
Sale(S)
Direct
425 shares at avg. $46.43$20K
TWST
Twist Bioscience Corp
Feb 23, 2026
Sale(S)
Direct
844 shares at avg. $46.71$39K
TWST
Twist Bioscience Corp
Feb 11, 2026
Sale(S)
Direct
5K shares at avg. $49.93$250K
TWST
Twist Bioscience Corp
Feb 3, 2026
Sale(S)
Direct
1.1K shares at avg. $46.58$51K
TWST
Twist Bioscience Corp
Dec 22, 2025
Sale(S)
Direct
324 shares at avg. $34.56$11K
TWST
Twist Bioscience Corp
Dec 8, 2025
Sale(S)
Direct
398 shares at avg. $32.88$13K
TWST
Twist Bioscience Corp
Nov 21, 2025
Sale(S)
Direct
757 shares at avg. $26.50$20K
TWST
Twist Bioscience Corp
Nov 18, 2025
Award(A)
Direct
25.5K shares-
TWST
Twist Bioscience Corp
Nov 3, 2025
Sale(S)
Direct
1K shares at avg. $32.08$33K
TWST
Twist Bioscience Corp
Oct 30, 2025
Sale(S)
Direct
6.5K shares at avg. $31.44$205K
TWST
Twist Bioscience Corp
Oct 28, 2025
Award(A)
Direct
29.5K shares-

		Type	Shares	Price		Ownership
Oct 2, 2026	TWST Twist Bioscience Corp	Sale(S)	9,514	$188.88	$1,797,042	Direct
Sep 21, 2026	TWST Twist Bioscience Corp	Sale(S)	348	$165.49	$57,591	Direct
Sep 8, 2026	TWST Twist Bioscience Corp	Sale(S)	412	$122.62	$50,521	Direct
Aug 21, 2026	TWST Twist Bioscience Corp	Sale(S)	1,598	$139.07	$222,227	Direct
Aug 19, 2026	TWST Twist Bioscience Corp	Sale(S)	14,205	$129.75	$1,843,099	Direct
Aug 5, 2026	TWST Twist Bioscience Corp	Sale(S)	14,205	$109.75	$1,558,999	Direct
Aug 3, 2026	TWST Twist Bioscience Corp	Sale(S)	1,070	$85.32	$91,294	Direct
Jun 24, 2026	TWST Twist Bioscience Corp	Sale(S)	14,205	$89.75	$1,274,899	Direct
Jun 22, 2026	TWST Twist Bioscience Corp	Sale(S)	346	$87.32	$30,214	Direct
Jun 8, 2026	TWST Twist Bioscience Corp	Sale(S)	402	$69.84	$28,077	Direct
May 29, 2026	TWST Twist Bioscience Corp	Sale(S)	14,205	$69.75	$990,799	Direct
May 21, 2026	TWST Twist Bioscience Corp	Sale(S)	1,642	$53.26	$87,448	Direct
May 4, 2026	TWST Twist Bioscience Corp	Sale(S)	1,962	$57.15	$112,126	Direct
Mar 20, 2026	TWST Twist Bioscience Corp	Sale(S)	354	$43.79	$15,500	Direct
Mar 6, 2026	TWST Twist Bioscience Corp	Sale(S)	425	$46.43	$19,731	Direct
Feb 23, 2026	TWST Twist Bioscience Corp	Sale(S)	844	$46.71	$39,423	Direct
Feb 11, 2026	TWST Twist Bioscience Corp	Sale(S)	5,000	$49.93	$249,650	Direct
Feb 3, 2026	TWST Twist Bioscience Corp	Sale(S)	1,099	$46.58	$51,187	Direct
Dec 22, 2025	TWST Twist Bioscience Corp	Sale(S)	324	$34.56	$11,196	Direct
Dec 8, 2025	TWST Twist Bioscience Corp	Sale(S)	398	$32.88	$13,085	Direct
Nov 21, 2025	TWST Twist Bioscience Corp	Sale(S)	757	$26.50	$20,063	Direct
Nov 18, 2025	TWST Twist Bioscience Corp	Award(A)	25,465	-	-	Direct
Nov 3, 2025	TWST Twist Bioscience Corp	Sale(S)	1,019	$32.08	$32,689	Direct
Oct 30, 2025	TWST Twist Bioscience Corp	Sale(S)	6,515	$31.44	$204,860	Direct
Oct 28, 2025	TWST Twist Bioscience Corp	Award(A)	29,518	-	-	Direct

1-25 of 59 transactions

About Cho Dennis

Cho Dennis (SEC CIK 0001883451) files insider reports with the SEC as Officer of Twist Bioscience Corp (TWST).

Signal8 holds 58 ownership filings by Cho Dennis, all Form 4s, filed between Sep 10, 2024 and Oct 5, 2026. Those filings report 59 transactions, from Sep 6, 2024 to Oct 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Cho Dennis's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Cho Dennis

Oct 2, 2026: Open-market sale of TWST shares (Form 4, code S).
Sep 21, 2026: Open-market sale of TWST shares (Form 4, code S).
Sep 8, 2026: Open-market sale of TWST shares (Form 4, code S).
Aug 21, 2026: Open-market sale of TWST shares (Form 4, code S).
Aug 19, 2026: Open-market sale of TWST shares (Form 4, code S).

Other insiders filing for Twist Bioscience Corp (TWST)

Finn Patrick John, President and COO
Laponis Adam, Chief Financial Officer
Leproust Emily M., Chief Executive Officer
Green Paula, SVP of Human Resources
WERNER ROBERT F., Chief Accounting Officer
BLAKE KATRYN, Director

How to read Form 4 transaction codes