Summary
Updated Aug 31, 2026
Harpreet Grewal is Director of Penumbra Inc (PEN). 7 SEC Form 4 filings on record going back to 2024, most recently on 7 April 2026. Most recent open-market trade: sold $33K of PEN on 7 April 2026. Lifetime open-market sales: $233K.
Recent Transactions
7Every recent SEC Form 4 transaction Harpreet Grewal has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Harpreet Grewal go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. 5 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 Harpreet Grewal 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.
- Arani Bose - $4.43M of PEN open-market activity in the last 12 months
- Adam Elsesser - $4.26M of PEN open-market activity in the last 12 months
- Johanna Roberts - $1.19M of PEN open-market activity in the last 12 months
- Maggie Yuen - $832K of PEN open-market activity in the last 12 months
- Thomas Wilder - $47K of PEN 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 Harpreet Grewal?
Harpreet Grewal is a corporate insider, tracked as Director of Penumbra Inc (PEN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Harpreet Grewal last file a Form 4?
The most recent primary Form 4 on record is dated 7 April 2026, one of 7 filings going back to 2024.
Has Harpreet Grewal been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($233K) across all tracked filings.
Where can I see all of Harpreet Grewal'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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