ARTIUS II ACQUISITION INC

Ticker: AACBR CUSIP: G0509J123 Class: RIGHT 11/27/2029

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q4 2025

Shares 2,000,000 Value ($000) $740 Avg Close — Range —

Q3 2025

Shares 2,000,000 Value ($000) $480 Avg Close — Range —

Q2 2025

Shares 2,000,000 Value ($000) $560 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,000,000	$740	—	—
Q3 2025	2,000,000	$480	—	—
Q2 2025	2,000,000	$560	—	—