1ST SOURCE CORP

Ticker: SRCE CUSIP: 336901103 Class: Common Stock

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

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

Q4 2025
Shares 28 Value ($000) $2 Avg Close — Range —
Q3 2025
Shares 118 Value ($000) $7 Avg Close — Range —