TWIST BIOSCIENCE CORP

Ticker: TWST CUSIP: 90184D100 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 42,678 Value ($000) $5,286 Avg Close $151.85 Range $102.86 - $214.07

Q4 2020

Shares 134,847 Value ($000) $19,053 Avg Close $110.94 Range $74.25 - $170.86

Q3 2020

Shares 394,811 Value ($000) $29,994 Avg Close $62.26 Range $43.61 - $79.72

Q2 2020

Shares 464,250 Value ($000) $21,031 Avg Close $35.88 Range $25.72 - $45.64

Q1 2020

Shares 493,476 Value ($000) $15,090 Avg Close $26.88 Range $18.52 - $35.91

Q4 2019

Shares 333,137 Value ($000) $6,996 Avg Close $23.40 Range $20.45 - $28.23

Q3 2019

Shares 560,707 Value ($000) $13,390 Avg Close $29.07 Range $23.08 - $35.95

Q2 2019

Shares 579,601 Value ($000) $16,814 Avg Close $26.45 Range $20.30 - $34.33

Q1 2019

Shares 235,138 Value ($000) $5,450 Avg Close $22.59 Range $19.64 - $28.85

Q4 2018

Shares 164,747 Value ($000) $3,804 Avg Close $22.16 Range $12.38 - $34.46

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	42,678	$5,286	$151.85	$102.86 - $214.07
Q4 2020	134,847	$19,053	$110.94	$74.25 - $170.86
Q3 2020	394,811	$29,994	$62.26	$43.61 - $79.72
Q2 2020	464,250	$21,031	$35.88	$25.72 - $45.64
Q1 2020	493,476	$15,090	$26.88	$18.52 - $35.91
Q4 2019	333,137	$6,996	$23.40	$20.45 - $28.23
Q3 2019	560,707	$13,390	$29.07	$23.08 - $35.95
Q2 2019	579,601	$16,814	$26.45	$20.30 - $34.33
Q1 2019	235,138	$5,450	$22.59	$19.64 - $28.85
Q4 2018	164,747	$3,804	$22.16	$12.38 - $34.46