1RT ACQUISITION CORP.

Ticker: ONCHU CUSIP: G6757R121 Class: UNIT 06/26/2030

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025
Shares 75,000 Value ($000) $780 Avg Close — Range —
Q3 2025
Shares 75,000 Value ($000) $791 Avg Close — Range —