Insiders who reported open-market trades in the last 12 months at the companies Catalyst4, Inc. 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.
Catalyst4, Inc. is a corporate entity, tracked as 10% Owner of MapLight Therapeutics, Inc. (MPLT). InsiderAlpha holds 3 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Catalyst4, Inc. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Catalyst4, Inc. been buying or selling stock?
Recorded transactions: 7 open-market purchases ($191.21M) and 0 open-market sales across all tracked filings.
Catalyst4, Inc. is 10% Owner of MapLight Therapeutics, Inc. (MPLT). 3 SEC Form 4 filings on record going back to 2025, most recently on 18 August 2026. Most recent open-market trade: bought $50.07M of MPLT on 18 August 2026. Lifetime open-market purchases: $191.21M.
Recent transactions
7
The latest 7 SEC Form 4 transactions reported by Catalyst4, Inc..
InsiderAlpha's records for Catalyst4, Inc. go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $27.32M (7 buys totaling $191.21M). The largest single buy on record is $92.50M of MPLT 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.
