ACM RESH INC

Ticker: ACMR CUSIP: 00108J109 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2021

Shares 25,831 Value ($000) $2,842 Avg Close $30.59 Range $24.27 - $37.66

Q2 2021

Shares 382,282 Value ($000) $39,077 Avg Close $27.47 Range $20.28 - $36.24

Q1 2021

Shares 637,336 Value ($000) $51,490 Avg Close $33.06 Range $25.00 - $48.27

Q4 2020

Shares 226,563 Value ($000) $18,408 Avg Close $25.58 Range $21.84 - $32.66

Q3 2020

Shares 217,058 Value ($000) $14,998 Avg Close $28.41 Range $19.34 - $37.96

Q2 2020

Shares 418,589 Value ($000) $26,103 Avg Close $16.41 Range $8.55 - $23.08

Q1 2020

Shares 16,797 Value ($000) $497 Avg Close $10.78 Range $5.32 - $17.07

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	25,831	$2,842	$30.59	$24.27 - $37.66
Q2 2021	382,282	$39,077	$27.47	$20.28 - $36.24
Q1 2021	637,336	$51,490	$33.06	$25.00 - $48.27
Q4 2020	226,563	$18,408	$25.58	$21.84 - $32.66
Q3 2020	217,058	$14,998	$28.41	$19.34 - $37.96
Q2 2020	418,589	$26,103	$16.41	$8.55 - $23.08
Q1 2020	16,797	$497	$10.78	$5.32 - $17.07