DRDB: Roman DBDR Acquisition Corp. II insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | Fell below 5% | Fort Baker Capital Management LP | 0.00% | SEC | |
| 2026-08-14 | 13G amendment | Highbridge Capital Management, LLC | 9.30% | SEC | |
| 2026-08-14 | New 13G stake | AQR Capital Management, LLC | 5.13% | SEC | |
| 2026-08-14 | Fell below 5% | Aristeia Capital, L.L.C. | 4.50% | SEC | |
| 2026-08-13 | New 13G stake | Barclays PLC | 5.00% | SEC | |
| 2026-08-13 | New 13G stake | Glazer Capital, LLC | 5.22% | SEC | |
| 2026-08-13 | New 13G stake | Mizuho Financial Group, Inc. | 6.80% | SEC | |
| 2026-08-05 | 13G amendment | W. R. Berkley Corporation | 9.90% | SEC |
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