Updated Jul 16, 2026
MCGIRR DAVID W J has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.72M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-25 | RYTM | RHYTHM PHARMACEUTICALS, INC. | M — Option exercise | 4.7K | — | |
| 2026-02-11 | INSM | INSMED Inc | G — Bona-fide gift | 53.4K | $0.00 | |
| 2026-02-11 | INSM | INSMED Inc | G — Bona-fide gift | 53.4K | $0.00 | |
| 2025-06-18 | RYTM | RHYTHM PHARMACEUTICALS, INC. | M — Option exercise | 4.0K | — | |
| 2025-06-09 | XFOR | X4 Pharmaceuticals, Inc | A — Grant or award | 1.5K | $0.00 | |
| 2025-06-03 | RYTM | RHYTHM PHARMACEUTICALS, INC. | S — Open-market sale | 9.9K | $65.64 | $648K |
| 2025-06-03 | RYTM | RHYTHM PHARMACEUTICALS, INC. | S — Open-market sale | 55.6K | $65.15 | $3.62M |
| 2025-06-03 | RYTM | RHYTHM PHARMACEUTICALS, INC. | M — Option exercise | 65.4K | $4.59 | $300K |
| 2025-06-03 | INSM | INSMED Inc | S — Open-market sale | 3.0K | $73.27 | $220K |
| 2025-06-03 | INSM | INSMED Inc | S — Open-market sale | 3.2K | $71.30 | $232K |
| 2025-05-15 | INSM | INSMED Inc | A — Grant or award | 5.1K | — |
MCGIRR DAVID W J is a corporate insider — currently tracked as Director of RHYTHM PHARMACEUTICALS, INC. (RYTM). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($4.72M) across all tracked 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.
Open the live MCGIRR DAVID W J profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.