Summary
Updated Aug 31, 2026
David W. J. McGirr is Director of RHYTHM PHARMACEUTICALS, INC. (RYTM). 8 SEC Form 4 filings on record going back to 2025, most recently on 25 June 2026. Most recent open-market trade: sold $648K of RYTM on 3 June 2025. Lifetime open-market sales: $4.72M.
Recent Transactions
11Every recent SEC Form 4 transaction David W. J. McGirr has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David W. J. McGirr go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David W. J. McGirr 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.
- Jennifer Kayden Lee - $8.90M of RYTM open-market activity in the last 12 months
- Yann Mazabraud - $6.62M of RYTM open-market activity in the last 12 months
- Joseph Shulman - $5.44M of RYTM open-market activity in the last 12 months
- Lynn A. Tetrault - $3.71M of RYTM open-market activity in the last 12 months
- Pamela J. Cramer - $2.62M of RYTM open-market activity in the last 12 months
- Hunter C. Smith - $2.22M of RYTM 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 David W. J. McGirr?
David W. J. McGirr is a corporate insider, tracked as Director of RHYTHM PHARMACEUTICALS, INC. (RYTM). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David W. J. McGirr submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has David W. J. McGirr been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($4.72M) across all tracked filings.
Where can I see all of David W. J. McGirr'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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