APELLIS PHARMACEUTICALS INC

Ticker: APLS CUSIP: 03753U106 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2023

Shares 548,870 Value ($000) $20,879 Avg Close $43.93 Range $19.83 - $91.35

Q2 2023

Shares 596,232 Value ($000) $54,317 Avg Close $86.28 Range $73.80 - $94.75

Q1 2023

Shares 792,246 Value ($000) $52,257 Avg Close $57.70 Range $44.92 - $70.75

Q4 2022

Shares 689,477 Value ($000) $35,653 Avg Close $53.04 Range $42.15 - $66.80

Q4 2019

Shares 395,490 Value ($000) $12,110 Avg Close $27.68 Range $21.79 - $31.47

Q3 2019

Shares 293,901 Value ($000) $7,080 Avg Close $27.52 Range $23.83 - $33.18

Q2 2019

Shares 382,212 Value ($000) $9,685 Avg Close $20.35 Range $17.36 - $25.41

Q1 2019

Shares 731,451 Value ($000) $14,263 Avg Close $15.73 Range $12.50 - $20.03

Q4 2018

Shares 767,876 Value ($000) $10,128 Avg Close $15.34 Range $11.45 - $20.54

Q3 2018

Shares 612,296 Value ($000) $10,887 Avg Close $18.48 Range $16.25 - $21.93

Q2 2018

Shares 606,956 Value ($000) $13,353 Avg Close $22.98 Range $18.89 - $32.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	548,870	$20,879	$43.93	$19.83 - $91.35
Q2 2023	596,232	$54,317	$86.28	$73.80 - $94.75
Q1 2023	792,246	$52,257	$57.70	$44.92 - $70.75
Q4 2022	689,477	$35,653	$53.04	$42.15 - $66.80
Q4 2019	395,490	$12,110	$27.68	$21.79 - $31.47
Q3 2019	293,901	$7,080	$27.52	$23.83 - $33.18
Q2 2019	382,212	$9,685	$20.35	$17.36 - $25.41
Q1 2019	731,451	$14,263	$15.73	$12.50 - $20.03
Q4 2018	767,876	$10,128	$15.34	$11.45 - $20.54
Q3 2018	612,296	$10,887	$18.48	$16.25 - $21.93
Q2 2018	606,956	$13,353	$22.98	$18.89 - $32.00