Insiders / McGirr David W J
McGirr David W J
CIK 1219023personinsider
Companies
2
First seen
Feb 11, 2026
Last activity
Jun 25, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Insmed Inc · INSM | 97,723 | — |
| Rhythm Pharmaceuticals, Inc. · RYTM | 11,712 | — |
All securities held
4 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Insmed Inc | Common Stock | 97,723 |
| Rhythm Pharmaceuticals, Inc. | Common Stock | 11,712 |
| Rhythm Pharmaceuticals, Inc. | Stock Option (right to buy)Derivative | 3,691 |
| Rhythm Pharmaceuticals, Inc. | Restricted Stock UnitsDerivative | 2,324 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 9, 2026 | Gift | INSM Insmed Inc Common Stock | $0 | +53K | 53,400 0.02% of shares | low |
| Feb 9, 2026 | Gift | INSM Insmed Inc Common Stock | $0 | -53K -54.64% | 44,323 0.02% of shares | low |
| Jun 24, 2026 | Grant | RYTM Rhythm Pharmaceuticals, Inc. Restricted Stock Units | — | +2K | 2,324 <0.01% of shares | low |
| Jun 24, 2026 | Grant | RYTM Rhythm Pharmaceuticals, Inc. Stock Option (right to buy) | — | +4K | 3,691 <0.01% of shares | low |
| Jun 23, 2026 | Exercise | RYTM Rhythm Pharmaceuticals, Inc. Restricted Stock Units | — | -5K -100.00% | 0 0.00% of shares | low |
| Jun 23, 2026 | Exercise | RYTM Rhythm Pharmaceuticals, Inc. Common Stock | — | +5K +67.31% | 11,712 0.02% of shares | low |