Summary
Updated Aug 31, 2026
Derek Stark is Chief Legal Officer of PennyMac Mortgage Investment Trust (PMT). 11 SEC Form 4 filings on record going back to 2025, most recently on 16 March 2026. Most recent open-market trade: sold $93K of PFSI on 4 March 2026. Lifetime open-market sales: $788K.
Recent Transactions
20Every recent SEC Form 4 transaction Derek Stark has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Derek Stark go back to 2025: 11 primary Form 4 filings, an average of 5.5 per year. 4 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Derek Stark 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.
- David Spector - $18.04M of PFSI open-market activity in the last 12 months
- Daniel Stanley Perotti - $7.74M of PFSI open-market activity in the last 12 months
- Doug Jones - $6.19M of PFSI open-market activity in the last 12 months
- Anne McCallion - $3.65M of PFSI open-market activity in the last 12 months
- Gregory L. Hendry - $894K of PFSI open-market activity in the last 12 months
- Patrick Kinsella - $201K of PFSI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Derek Stark?
Derek Stark is a corporate insider, tracked as Chief Legal Officer of PennyMac Mortgage Investment Trust (PMT). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Derek Stark last file a Form 4?
The most recent primary Form 4 on record is dated 16 March 2026, one of 11 filings going back to 2025.
Has Derek Stark been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($788K) across all tracked filings.
Where can I see all of Derek Stark's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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