Insiders who reported open-market trades in the last 12 months at the companies Brent Pfeiffenberger 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.
Gregory Russotti - $40K in IPSC purchases and sales in the last 12 months
Douglas Carr - $28K in IPSC purchases and sales in the last 12 months
Chad Cowan - $3K in IPSC purchases and sales in the last 12 months
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Brent Pfeiffenberger is a corporate insider, tracked as President and CEO, Director of Century Therapeutics, Inc. (IPSC). InsiderAlpha holds 17 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Brent Pfeiffenberger submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Brent Pfeiffenberger been buying or selling stock?
Recorded transactions: 2 open-market purchases ($48K) and 2 open-market sales ($15K) across all tracked filings.
Brent Pfeiffenberger is President and CEO, Director of Century Therapeutics, Inc. (IPSC). 17 SEC Form 4 filings on record going back to 2024, most recently on 15 September 2026. Most recent open-market trade: bought $30K of IPSC on 16 December 2025. Lifetime open-market purchases: $48K. Lifetime open-market sales: $15K.
Recent transactions
17
The latest 17 SEC Form 4 transactions reported by Brent Pfeiffenberger.
InsiderAlpha's records for Brent Pfeiffenberger go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. The typical open-market purchase is $24K (2 buys totaling $48K). The largest single buy on record is $30K of IPSC in 2025. Sales side: 2 recorded sales totaling $15K, so the filing history runs buy-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
