Roberto Marco Sella

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

2

Stocks Covered

2

Latest Filing

Jan 22, 2026

Filings

IMSR

Terrestrial Energy Inc.

SC 13G · Jan 22, 2026

14.3%

15.4M shares

ONIT

ONITY GROUP INC.

SC 13G/A · Jan 24, 2025

1.9%

145K shares