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$TWST

$71.62 +$3.76 (5.54%)

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Insider Transactions

Insider Transaction Summary

Alpha Fund L.P. Ever

3,294,961 shares

Net: 0 B/S: -

Venture Partners VIII, LLC ARCH

2,407,422 shares

Net: 0 B/S: -

Emily M. Leproust

866,948 shares

Net: +208,463 B/S: 2.78

Bill Peck

661,749 shares

Net: 0 B/S: -

William Banyai

345,188 shares

Net: 0 B/S: -

Patrick John Finn

281,808 shares

Net: +53,612 B/S: 1.45

Dennis Cho

137,903 shares

Net: +31,640 B/S: 2.36

Paula Green

124,104 shares

Net: -5,546 B/S: 0.92

Adam Laponis

118,694 shares

Net: +12,065 B/S: 1.26

JAMES M THORBURN

86,334 shares

Net: 0 B/S: -

Mark Daniels

66,736 shares

Net: 0 B/S: -

ROBERT F. WERNER

54,799 shares

Net: +4,608 B/S: 1.43

Patrick Weiss

47,401 shares

Net: 0 B/S: -

Nelson Chan

33,251 shares

Net: +5,095 B/S: ∞

ROBERT CHESS

31,084 shares

Net: +2,911 B/S: 1.24

Xiaoying Mai

31,057 shares

Net: 0 B/S: -

ROBERT P RAGUSA

28,983 shares

Net: +5,095 B/S: ∞

NELSON C CHAN

28,156 shares

Net: 0 B/S: -

KEITH CRANDELL

27,571 shares

Net: +5,095 B/S: ∞

Melissa A. Starovasnik

25,222 shares

Net: +3,595 B/S: 3.4

NICOLAS BARTHELEMY

23,021 shares

Net: 0 B/S: -

Martin Kunz

20,346 shares

Net: 0 B/S: -

KATRYN BLAKE

19,448 shares

Net: +19,448 B/S: ∞

JAN JOHANNESSEN

17,754 shares

Net: -4,149 B/S: 0.55

Kevin Bruce Yankton

9,115 shares

Net: 0 B/S: -

FRED B CRAVES

5,590 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Alpha Fund L.P. Ever	3,294,961	0	-
Venture Partners VIII, LLC ARCH	2,407,422	0	-
Emily M. Leproust	866,948	+208,463	2.78
Bill Peck	661,749	0	-
William Banyai	345,188	0	-
Patrick John Finn	281,808	+53,612	1.45
Dennis Cho	137,903	+31,640	2.36
Paula Green	124,104	-5,546	0.92
Adam Laponis	118,694	+12,065	1.26
JAMES M THORBURN	86,334	0	-
Mark Daniels	66,736	0	-
ROBERT F. WERNER	54,799	+4,608	1.43
Patrick Weiss	47,401	0	-
Nelson Chan	33,251	+5,095	∞
ROBERT CHESS	31,084	+2,911	1.24
Xiaoying Mai	31,057	0	-
ROBERT P RAGUSA	28,983	+5,095	∞
NELSON C CHAN	28,156	0	-
KEITH CRANDELL	27,571	+5,095	∞
Melissa A. Starovasnik	25,222	+3,595	3.4
NICOLAS BARTHELEMY	23,021	0	-
Martin Kunz	20,346	0	-
KATRYN BLAKE	19,448	+19,448	∞
JAN JOHANNESSEN	17,754	-4,149	0.55
Kevin Bruce Yankton	9,115	0	-
FRED B CRAVES	5,590	0	-

Individual Transactions

April 27, 2026

Melissa A. Starovasnik

Open Market Sale

Change: -500

Price: $61.83

Shares: 25,222

Value: -$30,915

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Melissa A. Starovasnik	Apr 29	Open Market Sale (S) Market Sale	25,222	-500	$61.83	-$30,915

April 23, 2026

Patrick John Finn

Open Market Sale

Change: -2,321

Price: $60.76

Shares: 281,808

Value: -$141,026

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Patrick John Finn	Apr 27	Open Market Sale (S) Market Sale	281,808	-2,321	$60.76	-$141,026

April 22, 2026

Emily M. Leproust

Open Market Sale

Change: -7,910

Price: $65.28

Shares: 859,038

Value: -$516,325

Emily M. Leproust

Option Exercise/Conversion

Change: +8,061

Price: $8.82

Shares: 866,948

Value: +$71,098

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Emily M. Leproust	Apr 23	Open Market Sale (S) Market Sale	859,038	-7,910	$65.28	-$516,325
Emily M. Leproust	Apr 23	Option Exercise/Conversion (M) Compensation/Award	866,948	+8,061	$8.82	+$71,098

April 21, 2026

Emily M. Leproust

Open Market Sale

Change: -1,610

Price: $65.01

Shares: 858,887

Value: -$104,666

Emily M. Leproust

Option Exercise/Conversion

Change: +1,610

Price: $8.82

Shares: 860,497

Value: +$14,200

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Emily M. Leproust	Apr 23	Open Market Sale (S) Market Sale	858,887	-1,610	$65.01	-$104,666
Emily M. Leproust	Apr 23	Option Exercise/Conversion (M) Compensation/Award	860,497	+1,610	$8.82	+$14,200

April 17, 2026

Adam Laponis

Open Market Sale

Change: -4,000

Price: $60.00

Shares: 118,694

Value: -$240,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Adam Laponis	Apr 21	Open Market Sale (S) Market Sale	118,694	-4,000	$60.00	-$240,000

April 14, 2026

Adam Laponis

Open Market Sale

Change: -3,000

Price: $55.00

Shares: 122,694

Value: -$165,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Adam Laponis	Apr 16	Open Market Sale (S) Market Sale	122,694	-3,000	$55.00	-$165,000

April 09, 2026

Adam Laponis

Open Market Sale

Change: -2,597

Price: $49.89

Shares: 125,694

Value: -$129,561

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Adam Laponis	Apr 13	Open Market Sale (S) Market Sale	125,694	-2,597	$49.89	-$129,561

April 01, 2026

Melissa A. Starovasnik

Open Market Sale

Change: -1,000

Price: $51.00

Shares: 25,722

Value: -$51,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Melissa A. Starovasnik	Apr 03	Open Market Sale (S) Market Sale	25,722	-1,000	$51.00	-$51,000

March 20, 2026

Dennis Cho

Open Market Sale

Change: -354

Price: $43.79

Shares: 137,903

Value: -$15,500

Paula Green

Open Market Sale

Change: -297

Price: $43.79

Shares: 124,104

Value: -$13,004

Emily M. Leproust

Open Market Sale

Change: -1,742

Price: $43.79

Shares: 858,887

Value: -$76,275

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dennis Cho	Mar 24	Open Market Sale (S) Market Sale	137,903	-354	$43.79	-$15,500
Paula Green	Mar 24	Open Market Sale (S) Market Sale	124,104	-297	$43.79	-$13,004
Emily M. Leproust	Mar 24	Open Market Sale (S) Market Sale	858,887	-1,742	$43.79	-$76,275

March 17, 2026

ROBERT CHESS

Option Exercise/Conversion

Change: +10,000

Price: $11.89

Shares: 31,084

Value: +$118,900

ROBERT CHESS

Open Market Sale

Change: -10,000

Price: $47.00

Shares: 21,084

Value: -$470,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ROBERT CHESS	Mar 19	Option Exercise/Conversion (M) Compensation/Award	31,084	+10,000	$11.89	+$118,900
ROBERT CHESS	Mar 19	Open Market Sale (S) Market Sale	21,084	-10,000	$47.00	-$470,000

March 06, 2026

ROBERT F. WERNER

Open Market Sale

Change: -246

Price: $46.43

Shares: 54,799

Value: -$11,420

Dennis Cho

Open Market Sale

Change: -425

Price: $46.43

Shares: 138,257

Value: -$19,731

Paula Green

Open Market Sale

Change: -935

Price: $46.43

Shares: 124,401

Value: -$43,408

Emily M. Leproust

Open Market Sale

Change: -2,423

Price: $46.43

Shares: 860,629

Value: -$112,490

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ROBERT F. WERNER	Mar 10	Open Market Sale (S) Market Sale	54,799	-246	$46.43	-$11,420
Dennis Cho	Mar 10	Open Market Sale (S) Market Sale	138,257	-425	$46.43	-$19,731
Paula Green	Mar 10	Open Market Sale (S) Market Sale	124,401	-935	$46.43	-$43,408
Emily M. Leproust	Mar 10	Open Market Sale (S) Market Sale	860,629	-2,423	$46.43	-$112,490

February 23, 2026

Paula Green

Open Market Sale

Change: -1,465

Price: $46.71

Shares: 125,336

Value: -$68,429

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Paula Green	Feb 25	Open Market Sale (S) Market Sale	125,336	-1,465	$46.71	-$68,429