1RT ACQUISITION CORP.

Ticker: ONCH CUSIP: G6757R105 Class: USD CL A ORD SHS

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q4 2025

Shares 249,304 Value ($000) $2,543 Avg Close $10.30 Range $10.16 - $10.50

Q3 2025

Shares 249,304 Value ($000) $2,605 Avg Close $10.28 Range $10.18 - $10.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	249,304	$2,543	$10.30	$10.16 - $10.50
Q3 2025	249,304	$2,605	$10.28	$10.18 - $10.63