ACUMEN PHARMACEUTICALS INC

Ticker: ABOS CUSIP: 00509G209 Class: Common Stock

JANUS HENDERSON GROUP PLC's Holding History (CIK: 0001274173)

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

Q4 2021

Shares 627,263 Value ($000) $4,240 Avg Close $10.99 Range $6.20 - $15.64

Q3 2021

Shares 860,181 Value ($000) $12,773 Avg Close $16.64 Range $13.95 - $26.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	627,263	$4,240	$10.99	$6.20 - $15.64
Q3 2021	860,181	$12,773	$16.64	$13.95 - $26.98