Insiders who reported open-market trades in the last 12 months at the companies Marcin Urbaszek files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Henry N. Nassau - $143K in BXMT purchases and sales in the last 12 months
Marcin Urbaszek is a corporate insider, tracked as Chief Financial Officer of BLACKSTONE MORTGAGE TRUST, INC. (BXMT). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Marcin Urbaszek submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Marcin Urbaszek been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($68K) across all tracked filings.
Marcin Urbaszek is Chief Financial Officer of BLACKSTONE MORTGAGE TRUST, INC. (BXMT). 5 SEC Form 4 filings on record going back to 2025, most recently on 18 September 2026. Most recent open-market trade: sold $12K of BXMT on 18 September 2026. Lifetime open-market sales: $68K.
Recent transactions
5
The latest 5 SEC Form 4 transactions reported by Marcin Urbaszek.
InsiderAlpha's records for Marcin Urbaszek go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. 3 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
