AVIDITY BIOSCIENCES INC

Ticker: RNAM CUSIP: 05370A108 Class: EQTY

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 398 Value ($000) $29 Avg Close $64.59 Range $42.84 - $72.61

Q3 2025

Shares 677 Value ($000) $29 Avg Close $40.43 Range $27.70 - $51.40

Q2 2025

Shares 709 Value ($000) $20 Avg Close $29.81 Range $21.51 - $38.00

Q1 2025

Shares 374 Value ($000) $11 Avg Close $31.14 Range $26.74 - $36.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	398	$29	$64.59	$42.84 - $72.61
Q3 2025	677	$29	$40.43	$27.70 - $51.40
Q2 2025	709	$20	$29.81	$21.51 - $38.00
Q1 2025	374	$11	$31.14	$26.74 - $36.38