Insiders who reported open-market trades in the last 12 months at the companies Nostrand Robert L. van 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.
Nostrand Robert L. van is a corporate insider, tracked as Director of SELLAS Life Sciences Group, Inc. (SLS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Nostrand Robert L. van last file a Form 4?
The most recent primary Form 4 on record is dated 13 June 2025, one of 2 filings going back to 2025.
Has Nostrand Robert L. van been buying or selling stock?
Recorded transactions: 1 open-market purchase ($15K) and 0 open-market sales across all tracked filings.
Nostrand Robert L. van is Director of SELLAS Life Sciences Group, Inc. (SLS). 2 SEC Form 4 filings on record, most recently on 13 June 2025. Most recent open-market trade: bought $15K of SLS on 13 June 2025. Lifetime open-market purchases: $15K.
Recent transactions
2
The latest 2 SEC Form 4 transactions reported by Nostrand Robert L. van.
InsiderAlpha's records for Nostrand Robert L. van go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $15K (1 buy totaling $15K). The largest single buy on record is $15K of SLS in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
